TWI569085B - A projection system with optical image recognition function, a projection device and a projector to be projected - Google Patents

Description

Projection system with optical image recognition function, projection device and media to be projected

The invention provides a projection system with an optical image recognition function, a projection device and a medium to be projected, in particular, a projection device is positioned inside the main body, and an optical image recognition module is disposed at a side of the projection device, and the optical image can be utilized. The projection module reads, and recognizes, the projection system, device, media and method of the mark of the media to be projected.

Generally, the projector is used to view slides or slides, including high-intensity visible light sources, such as light bulbs; projection modules for imaging, including concentrated beam lenses and focusing lenses, when the light is emitted by the light source After the slide and the lens, an enlarged image is projected onto the projection screen so that the viewer can see the complete image.

Furthermore, as shown in FIG. 18, the projector has a platform for placing a projection sheet, and the visible light emitted by the visible light source is reflected, and the content on the projection sheet is imaged by the imaging module, and then through the reflection sheet. Reflected and projected on the projection surface, traditional slide projectors are mainly used for entertainment purposes to enjoy slides, and with the use of slide projectors, they can also be used for teaching and presentations in educational and business meetings, etc. Attracting the attention of the audience helps to convey the focus of the briefing or to enhance the effect of some of the content, which is quite convenient; in addition, today's slide projectors must be reduced in size and lighter and cannot take up too much space for convenient portability. While the slide projector is miniaturized, the overall function must also be considered. Whether it is good or not is the key to redesigning the people in this industry.

In view of the above, the present invention provides a projection system, a projection device and a medium to be projected with an optical image recognition function, and a projection system, device, medium and method for reading and identifying a mark of a target to be projected by using an optical image recognition module .

The first object of the present invention is that a projection module is positioned inside the hollow casing of the main body, and a medium to be projected is disposed on the optical projection path of the projection module, and an optical image is disposed at a position behind the medium to be projected. The identification module can use the optical reading head of the optical image recognition module to correspond to the marking position on the medium to be projected, and cooperate with the control module to read and recognize the opening position or correspondingly projected by the media to be projected. After the content is played, the multimedia playback unit plays the corresponding voice and integrates the functions of projecting and playing sound.

The second object of the present invention is that the optical projection path of the projection module inside the main body is provided with a medium to be projected perpendicular to the projection axis, and a plurality of openings and plural marks are arranged annularly on the medium to be projected, and A slot for the medium to be projected is vertically disposed at a side of the hollow casing, and an optical image recognition module is disposed in the positioning space at the rear of the slot, except that the projection module is used to illuminate the opening In addition to the function of generating an enlarged image on the projection area to achieve projection, the optical reading head of the optical image recognition module can be used to correspond to the marked position on the medium to be projected, and the control module can be used to read and recognize the to-be-projected medium. After the projected opening position or the corresponding content, the multimedia playing unit automatically matches the vocal reading story and responds to the appropriate voice or sound effect, and the overall operation is more direct and convenient.

The third object of the present invention is to enable one of the openings on the medium to be projected to correspond to the projection module when the user manually rotates on the medium to be projected. In the optical projection path of the visible light source, the light emitted by the visible light source can be irradiated onto the area to be projected exposed at the opening, and the pattern of the area to be projected can only allow part of the light to pass through the imaging module. Produce a magnified image and project it on the power of the projection or on the wall to achieve optical projection.

The fourth object of the present invention is that the optical pickup of the optical image recognition module detects the barcode of the mark on the medium to be projected by the optical image sensing component, and the processing unit of the control module is in the data storage component. The internal search corresponding data is compared and has an identification function, and the open position or corresponding content currently projected by the to-be-projected medium can be read and recognized, and the marked barcode is converted into a phase according to the result of the data comparison. Corresponding control signal output, and then the multimedia playback unit receives the control signal to play the corresponding voice.

A fifth object of the present invention is to form an annular arrangement on each of the markings on the medium to be projected on the inner side or the outer side of the opening, and the marking can print one or two-dimensional barcode on a sticker. The stickers can be adhered to the rear side surface of the medium to be projected, and form a concentric misalignment state with the plurality of openings, but in practical applications, the marks can also be printed on the area to be projected at the opening, respectively. The inner side of the slot of the hollow casing is provided with a baffle corresponding to one of the openings, so that the optical pickup of the optical image recognition module is reflected by the baffle to pass the light at the area to be projected, so that the optical reading is performed. The take-up head directly reads the corresponding mark on the medium to be projected without affecting the projection state of the projection module, and the optical image recognition module can be obtained when the projection module of the main body corresponds to one of the opening positions on the medium to be projected. The optical reading head corresponds to the marking position on the area to be projected at the next opening, and cooperates with the control module to read and identify the opening position or corresponding content currently projected by the medium to be projected.

The sixth object of the present invention is to accommodate the inside of the hollow casing of the main body In order to further provide a power device with a transmission mechanism and a motor, and a motor is electrically connected with a control switch, and the motor is electrically connected to the power supply unit of the projection module, and the transmission mechanism of the power device is engaged to be projected The ring teeth on the periphery of the medium, but in actual application, the transmission mechanism can also be connected to the main shaft of the medium to be projected. When the user presses the control switch, the motor can be driven by the transmission mechanism to drive the medium to be projected. Rotating to facilitate the user to switch the position of the hole currently projected by the projection medium, and the projection module and the optical reading head cooperate with the control module to project and play the voice of the area to be projected at the next opening. .

The seventh object of the present invention is that the processing unit of the optical image recognition module control module is further electrically connected to the wireless transmission module, and the processing unit of the control module can wirelessly transmit the control signal through the wireless transmission module. The wireless transmission module built into the external electronic device responds by receiving and playing voice, audio and video interaction, software program or voice content update, online online teaching or conference and function selection or other functions.

An eighth object of the present invention is to further provide a driving circuit inside the accommodating space of the hollow casing of the main body, wherein the driving circuit has a microcontroller electrically connected to the motor of the power device, and the microcontroller is electrically By connecting the wireless transmission module, the processing unit of the optical image recognition module control module can wirelessly transmit the control signal to the wireless transmission module of the driving circuit through the wireless transmission module, and is driven by the motor to the transmission mechanism. The function of the projection and playback sound is automatically switched by the media to be projected in a timed manner or according to the content defined by the mark.

The ninth object of the present invention is that the processing unit of the optical image recognition module control module can further press the button unit outside the casing for further electrically connecting the recording unit, and the processing unit controls the data storage component to cooperate with the recording unit. It can be used as a recording pen for recording and can also be used for the area to be projected currently projected by the media to be projected. New custom recording.

1‧‧‧ Subject

11‧‧‧ hollow shell

110‧‧‧ slots

111‧‧‧ accommodating space

112‧‧‧Location space

113‧‧‧Baffle

12‧‧‧Projection Module

121‧‧‧ Visible light source

122‧‧‧Power supply unit

123‧‧‧ imaging module

13‧‧‧Projected media

130‧‧‧Unprojected area

1301‧‧‧Perforation

131‧‧‧Project area to be projected

132‧‧‧Opening

133‧‧‧ mark

134‧‧‧Roller

1341‧‧‧ protruding structure

14‧‧‧Powerplant

141‧‧‧Transmission mechanism

142‧‧‧Motor

143‧‧‧Control switch

15‧‧‧Drive circuit

151‧‧‧Microcontroller

152‧‧‧Wireless Transmission Module

2‧‧‧ Optical Image Identification Module

20‧‧‧shell

21‧‧‧Optical read head

211‧‧‧ Optical Image Sensing Elements

22‧‧‧Control Module

221‧‧‧Processing unit

222‧‧‧ Data storage components

223‧‧‧Multimedia playback unit

224‧‧‧Key unit

225‧‧‧Power supply module

226‧‧‧Wireless Transmission Module

227‧‧‧recording unit

23‧‧‧second light source

The first figure is a front view of a first preferred embodiment of the present invention.

The second drawing is a top plan view of a first preferred embodiment of the present invention.

The third figure is a side view of the first preferred embodiment of the present invention.

The fourth figure is a front view of the medium to be projected of the present invention.

The fifth figure is a schematic plan view of another medium to be projected of the present invention.

The sixth figure is a schematic plan view of the still-to-projection medium of the present invention.

The seventh figure is a schematic structural diagram of another to-be-projected medium of the present invention.

The eighth figure is a schematic diagram of the type of mark used in the present invention.

Figure 9 is a block diagram of a first preferred embodiment of the present invention.

Figure 10 is a front elevational view of a second preferred embodiment of the present invention.

Figure 11 is a top plan view of a second preferred embodiment of the present invention.

Figure 12 is a side elevational view of a third preferred embodiment of the present invention.

Figure 13 is a block diagram of a fourth preferred embodiment of the present invention.

Figure 14 is a block diagram of a fifth preferred embodiment of the present invention.

The fifteenth embodiment is a flow chart of the steps of the fifth preferred embodiment of the present invention.

Figure 16 is a block diagram of a sixth preferred embodiment of the present invention.

Figure 17 is a block diagram showing a seventh preferred embodiment of the present invention.

Figure 18 is a side view of a conventional projector.

Please refer to the first to ninth figures. As is clear from the figure, the present invention includes a main body 1 and an optical image recognition module 2, wherein the main body 1 has a space for positioning the projection module 12. The hollow housing 11 of the space 111 is provided with a medium 13 to be projected on the optical projection path of the projection module 12, and the projection axis of the projection medium 13 and the projection module 12 preferably form a vertical, and the hollow shell The side of the body 11 is longitudinally sectioned with a slot 110 extending into the accommodating space 111 for the projection medium 13 to be placed, and the rear of the slot 110 is laterally connected for the optical image recognition module 2 to be combined. A positioning space 112 therein.

Furthermore, the projection module 12 of the main body 1 is a power supply unit 122 (such as a battery or a power supply circuit for electrically connecting an external power supply line) including a visible light source 121 and a power supply capable of supplying the visible light source 121. An adjustable imaging module 123 is disposed in front of the visible light source 121, and the to-be-projected medium 13 is located between the visible light source 121 of the projection module 12 and the optical projection path of the imaging module 123, and the medium 13 to be projected may be An opening 132 is formed in a non-projection area 130 for exposing a region to be projected 131. The inside or outside of the opening 132 has a mark 133 or an annular arrangement for exposing the area to be projected 131. The plurality of openings 132 are disposed at the inner side or the outer side of the opening 132. The plurality of marks 133 are arranged in an annular shape and are the same as the number of the openings 132. The other marks 133 can be directly printed on the desired position on the medium 13 to be projected. Or firstly printed as a sticker (not shown in the figure), and then adhered to each of the stickers on the rear side surface of the medium 13 to be projected according to the needs of the actual application, and forms a concentric misalignment state with the plurality of openings 132, when , The media 13 can be projected as a long strip, each projection region 131 to be arranged in a spaced adjacent, or by two rollers 134 and the annular projection to be composed of 13 volumes of media The cylindrical structure, the area to be projected 131 and the mark 133 are both disposed on the medium 13 to be projected, and the edge of the annular image to be projected 13 has at least one through hole 1301. The roller 134 has at least one protruding structure 1341 combined with the through hole 1301. The rotation of the medium to be projected is driven by the mutual rotation of the two rollers 134; the mark 133 can be selected according to the application and design, using one-dimensional barcode, two-dimensional barcode or dot matrix code, such as BarCode, Dot Code, QR Code or one or more specifics. It consists of a Data Matrix in the area.

Different from the slide of the prior art, the medium 13 to be projected as shown in FIG. 5 is divided into a region to be projected 131 and a non-projection region 130, and a projection of the medium 13 to be projected and the projector as shown in FIG. In addition to the system, the content in the area to be projected 131 can be projected through the projector, and the mark located in the specific non-projection area 130 is read and recognized by the optical image recognition module 2 electrically connected to the projector. The information carried or represented by the mark can be obtained.

The optical image recognition module 2 has a housing 20, and an optical pickup 21 having an optical image sensing component 211 is disposed at a side of the housing 20, and the optical image sensing component 211 can be complementary. A metal oxide semiconductor (CMOS), a charge coupled device (CCD) or other sensor, and the inside of the housing 20 is a control module 22 having a circuit board (not shown), and the circuit of the control module 22 The processing unit 221 is electrically connected to the optical image sensing component 211 of the optical pickup 21, and is electrically connected to the data storage component 222 and the multimedia playback unit 223 by the processing unit 221. The top button unit 224 and the power supply module 225 that can supply the overall required power, according to the semiconductor process technology, the optical image sensing component 211 and the processing unit 221 can The optical image sensing element 211 and the processing unit 221 are respectively formed into a system on chip, a separate chip, or a die directly bonded to a circuit board or a board (COB). Stick directly to the board.

However, the processing unit 221 of the control module 22 is configured to receive the electronic signal transmitted by the optical image sensing component 211 of the optical pickup 21, and the result of the image processing and identification is stored in the read data storage component 222. The corresponding data is then converted into a control signal or a multimedia signal, and the data storage component 222 can be a memory, such as a flash memory or a wipeable programmable read-only memory (Erasable Programable Read Only). Memory card, or a memory card (not shown) in which the data is stored in the slot, the multimedia playback unit 223 generates a response or plays audio according to the control signal or the multimedia signal, for example, the multimedia playback unit 223 receives the processing. The sound signal transmitted by the unit 221 is played to play a corresponding voice or sound effect, and the multimedia playback unit 223 can be controlled to play or control the volume through the button unit 224 pressed outside the casing 20, and the power supply module 225 (such as a battery or It is a power supply circuit for electrically connecting an external power line. The function of switching power on or off, and the multimedia Reproducing unit 223 may be a speaker, speakers, headphones, or other functions with the broadcasting sounder.

When the present invention is used, the optical image recognition module 2 is disposed in the positioning space 112 of the main body 1, and the optical pickup 21 corresponds to one of the marks 133 on the medium 13 to be projected (eg, The position a) in the four figures, and the control module 22 is passed out of the button unit 224 at the housing 20 to be exposed to the positioning space 1 of the hollow casing 11 The top of the 12 is for the user to press and press the button unit 224 for operation. Of course, the optical image recognition module 2 can also omit some of the button units 224, and automatically recognize the mark 133 and then give a prompt to the user. For example, a beep or a prompt voice, when the user manually moves or drives the circular to-be-projected media 13 to rotate, or the strip-shaped to-be-projected media 13 moves, one of the to-be-projected media 13 can be made. The opening 132 (such as the number A in the fourth figure) is an optical projection path corresponding to the visible light source 121 of the projection module 12, and can be exposed to the opening 132 by the light emitted by the visible light source 121. The image to be projected 131 is used, and the pattern of the area to be projected 131 is used to allow only a part of the light to pass through the imaging module 123 to generate an enlarged image, and then projected on a vertical power or wall surface to achieve optical projection. The user can also adjust the focal length of the imaging module 123 by manual rotation, or remove the to-be-projected area after the medium 13 to be projected is taken out from the slot 110 of the hollow casing 11. 131, or is replaced to complete the operation within 13 thereof to be projected into another medium.

The projection module 12 of the main body 1 can detect the mark 133 on the to-be-projected media 13 by using the optical image sensing component 211 in the optical pickup 21 of the optical image recognition module 2 during the projection process. The one-dimensional or two-dimensional barcode formed by the number a) in the four figures is searched and processed by the processing unit 221 of the control module 22 to search for the corresponding data in the data storage component 222, and the target to be projected can be read and recognized. The position of the aperture 132 currently projected by the media 13 or the corresponding content, and the barcode of the marker 133 is converted into a corresponding control signal output according to the result of the data comparison, and then received by the multimedia playback unit 223. The transmitted control signal is played to play a corresponding voice or sound effect. The optical image recognition module 2 is preferably disposed in the main body 1 by using the housing 20, but In time, the optical image recognition module 2 can also be separately taken out as a structure for convenient assembly or removal, and can also be combined with the positioning space 112 of the main body 1 by snap fitting, screw locking, gluing or other positioning. In one embodiment, the design of the housing 20 can be omitted, and the optical image recognition module 2 and the main body 1 can be integrated into a single product, and the optical reading head 21 can be used with the control module 22 to read and recognize the medium to be projected 13 of the main body 1. At present, the position or corresponding content of the projected opening 132 is further played by the multimedia playing unit 223, and the projected area 131 to be projected by the projection module 12 can be automatically matched with the human voice to read the story, explain the article, and respond. With proper voice or sound effects, it has the function of projecting and playing sounds. The overall operation is more direct and convenient, so as to create the best learning environment and effect.

Between the components of the projector body 1, the optical image recognition module 2, and the multimedia playback unit 223 of the present invention, the optical image recognition module 2 and the multimedia playback unit 223 are connected to each other by wire or wirelessly to transmit signals. Between the optical image recognition module 2 and the projector body 1, the optical image recognition module 2 can read the mark 133 when the user uses the area to be projected 131 or the slide film, but can be designed according to the product. The component groups such as the projector main body 1, the optical image recognition module 2, and the multimedia playback unit 223 are provided in a single casing or divided into a plurality of different devices.

The design of the mark 133 and the optical image recognition module 2 of the present invention, the mark 133 can be used for more complicated coding, and when the image to be projected 13 moves, the optical image recognition module 2 scans, marks, and decodes the mark 133. Directly reading the information carried by the mark 133, for example, a piece of sound playing data, which is processed into a control command and then transmitted to the multimedia playing system for playing. Since the mark 133 itself stores complicated data, there is no need to compare the program or Store data in memory.

Referring to the tenth to thirteenth drawings, it can be clearly seen that the respective marks 133 of the main body 1 to be projected on the medium 13 are preferably formed to be annularly disposed at the inner side or the outer side of the opening 132. The misalignment state of the alignment, but in actual time, the plurality of marks 133 may also be printed on the area to be projected 131 at the opening 132, and the inner side of the slot 110 of the hollow casing 11 is positioned to be projected. The light source (such as an LED) inside the optical pickup 21 of the optical image recognition module 2 is reflected by the baffle 113 and passes through the baffle 113 at one of the openings 132, and passes through the baffle 113 to pass through the area to be projected 131. The light reading head 21 can directly read the corresponding mark 133 on the to-be-projected medium 13 without affecting the projection state of the projection module 12, and when the projection module 12 corresponds to one of the media to be projected 13 When the hole 132 (such as the number A in the fourth figure) is positioned, the optical pickup 21 can be made to correspond to the mark 133 on the area to be projected 131 at the next or subsequent opening 132 (as in the fourth figure). No. B) position, thereby identifying the opening 132 of the projection medium 13 to be projected Or the corresponding content, and because the one-dimensional or two-dimensional barcode on the mark 133 is extremely small, and is not limited by the size and space of the media to be projected 13, when used for the slide, the mark 133 is printed on a non-projection area 130. However, the use of a small pattern code that is not easily perceived by the human eye can be prevented from being misplaced and projected.

The medium to be projected 13 of the present invention may be a two-layer substrate made of an opaque material, and at least one opening 132 extending through the double layer is formed on the substrate, and the area to be projected 131 is embedded between the two layers of substrates, to be projected. The content to be played on the area 131 is exposed by the opening 132. Alternatively, the medium to be projected 13 is a substrate having a plurality of openings 132 on the substrate, and a fixing mechanism such as a groove or a bead is provided around the opening 132. Etc., used to fix the area to be projected 131, and the area to be projected 131 includes a slide film and is covered with a slide film. The peripheral frame, the user can fix the area to be projected 131 on the substrate via the fixing mechanism and the outer frame, and expose the slide film through the opening 132, and the mark 133 can be printed or adhered to the outer frame or The substrate is adjacent to the opening 132.

However, the inside of the accommodating space 111 of the hollow casing 11 of the main body 1 is further provided with a power unit 14 having a transmission mechanism 141 and a motor 142, and is electrically connected to the top of the hollow casing 11 by a motor 142. The switch 143 is controlled, and the motor 142 is electrically connected to the power supply unit 122 of the projection module 12, or a power supply module (not shown) can be separately electrically connected to supply the power required for the whole. The transmission mechanism 141 of the power unit 14 is preferably configured to engage at least one gear on a ring tooth (not shown) at the periphery of the medium 13 to be projected. However, in practical applications, the transmission mechanism 141 may be coupled to On the main axis of the projection medium 13 , when the user presses the control switch 143 , the motor 142 can be driven by the transmission mechanism 141 to rotate the to-be-projected media 13 to facilitate the user to switch the current projection of the to-be-projected media 13 . The opening 132 is positioned, and the projection module 12 and the optical pickup 21 cooperate with the control module 22 to project and play the voice to the area to be projected 131 at the next opening 132.

Please also refer to the fourteenth to seventeenth embodiments, which are block diagrams, step flow charts, block diagrams of the sixth preferred embodiment, and blocks of the seventh preferred embodiment, respectively. It can be clearly seen from the figure that the inside of the accommodating space 111 of the hollow casing 11 of the main body 1 is further provided with a driving circuit 15 , and the driving circuit 15 has a motor 142 electrically connected to the power unit 14 . The microcontroller 151 is mounted thereon, and the microcontroller 151 is electrically connected to the wireless transmission module 152.

Furthermore, the optical image recognition module 2 controls the processing unit 22 of the module 22 The wireless transmission module 226 can be further electrically connected, and the wireless transmission module 152 of the driving circuit 15 and the wireless transmission module 226 of the control module 22 can respectively be a Bluetooth wireless transmission interface. The preferred implementation state may also be 2.4G radio frequency (RF), wireless fidelity (Wi-Fi) or other wireless transmission interface, but in actual application, the driving circuit 15 may be omitted according to actual needs or structures. The processing unit 221 of the control module 22 can transmit the control signal to the wireless transmission module 152 of the driving circuit 15 through the wireless transmission module 226, and is driven by the motor 142 to drive the transmission mechanism 141. The projection medium 13 can automatically switch the function of projecting and playing sounds in a timed manner or according to the content defined by the mark 133, or can wirelessly transmit the control signals to external electronic devices (such as a Bluetooth speaker, a smart TV, a notebook computer, The built-in wireless transmission module of smart phones, tablets, multi-function projection devices, etc. is used to receive and play voice, video and audio interaction, software programs or voices. Updates, online network teaching or meeting or other function selection and more features of the response, even playing instruction provided on the main body 1, the body 1 can let the system automatically play the projection media.

By the way, when the optical image recognition module 2 of the present invention is to be marked 133 on the projection medium 13, the following steps are implemented:

(101) Start.

(102) The optical pickup 21 of the optical image recognition module 2 cooperates with the control module 22 to detect the mark 133 on the medium 13 to be projected of the main body 1.

(103) Is the judgment flag 133 a valid code? If yes, step (104) is performed, and if no, step (102) is repeated.

(104) Determine whether to transmit? If yes, proceed to step (1) 05), if no, proceed to step (106).

(105) Wireless transmission.

(106) Determine whether to play? If yes, step (107) is performed, and if no, step (102) is repeated.

(107) Voice playback.

It can be clearly seen from the above-mentioned implementation steps that the optical image recognition module 2 of the present invention detects the barcode of the mark 133 on the medium 13 to be projected by the optical image sensing element 211 of the optical pickup 21, and is controlled by the control mode. The processing unit 221 of the group 22 searches for the corresponding data in the data storage component 222 for comparison. If the determination flag 133 is a valid code, the barcode of the marker 133 is converted into a corresponding control signal according to the result of the data comparison. If the determination flag 133 is not a valid code, the action of continuously detecting the mark 133 on the projection medium 13 is continued, and after the flag 133 is determined to be a valid code, it is determined whether the processing unit 221 receives the user's pressing. The signal triggered by the button unit 224 and the wireless transmission of the control signal through the wireless transmission module 226.

However, if the processing unit 221 of the control module 22 determines that the wireless transmission is performed, the control signal is wirelessly transmitted to the wireless transmission module 152 of the driving circuit 15 through the wireless transmission module 226 for reception, and is driven by the motor 142. The transmission mechanism 141 drives the to-be-projected media 13 to automatically switch to perform the projection function, or wirelessly transmits the control signal to the wireless transmission module built in the external electronic device through the wireless transmission module 226 to receive and play voice or other more. In response to the function, when the processing unit 221 of the control module 22 determines that the wireless transmission is not performed, it determines whether to play. If it is determined that the playback is performed, the control signal is transmitted to the multimedia playback unit 223. Play out Corresponding voice; if it is determined that playback is not to be performed, the optical image sensing component 211 of the optical pickup 21 continues to perform the detection of the marker 133 on the projection medium 13.

In addition, the multimedia playback unit 223 is further electrically connected to the recording unit 227, and the recording unit 227 can be a built-in recording chip or an external microphone, so that the user can press the button unit 224 outside the housing 20. And the processing unit 221 controls the data storage component 222 to cooperate with the recording unit 227 to perform sound recording, and the optical image recognition module 2 can be used as a recording pen, or can be projected by the to-be-projected media 13 The projection area 131 is matched with a new custom recording. For example, the user can make a life photograph into the area to be projected 131, and then use the recording function to record the plot content in the corresponding photo.

The projection system with optical image recognition function includes a to-be-projected medium 13 having a mark 133 on a surface of the medium to be projected 13; a projection module 12 comprising: a visible light source 121 for generating a visible light An imaging module 123 is disposed on one side of the visible light source 121 to form a projection optical path with the visible light source 121; and an optical image recognition module 2 is located outside the projection optical path, and the optical image recognition mode The group 2 has a reading range. When a user places the to-be-projected medium 13 on the projection optical path, the mark 133 is located in the reading range of the optical image recognition module 2, and the optical image recognition module Group 2 recognizes the marker 133 located within the read range.

The optical image recognition module 2 includes an optical image sensing component 211 for acquiring an image of the mark 133. The optical image recognition module 2 includes a control mode. The optical image sensing component 211 is electrically connected to the optical image sensing component 211 for processing the image captured by the optical pickup 21 and identifying the marking 133 and generating a control command. The optical image recognition module 2 further includes a The multimedia playback unit 223 is electrically connected to the control module 22 for receiving the control command and playing a multimedia material. The projection system further includes a multimedia playing unit 223, and is electrically connected to the control module 22, and is used for Receiving the control command and playing a multimedia material; the to-be-projected medium 13 includes a light-transmissive area to be projected 131 and a non-projection area 130, the non-projection area 130 is wrapped around the light-transmissive area to be projected 131, and the mark 133 is disposed in the non-projection area 130. The to-be-projected medium 13 includes a non-projection area 130 and a to-be-projected area 131. The non-projection area 130 is a carrier, the area to be projected 131 is a transparent film, and the carrier The mark 133 is disposed on the disc, and the carrying tray has an opening 132 for exposing the transparent film, wherein the transparent film is located on the projection optical path; the to-be-projected medium 13 includes The roller 134 and an annular non-projection area 130, the non-projection area 130 is a carrier disk, and the mark 133 is disposed on the annular non-projection area 130 and has an opening 132 for exposing a to-be-projected area 131 to be projected. 131 is a light transmissive film, wherein the rollers 134 are disposed on the inner side of the annular non-projection area 130, and the edge of the annular non-projection area 130 has a plurality of perforations 1301, each of the rollers 134 having at least one protrusion structure 1341 The non-projection area 130 is driven by the protrusion structure 1341 to interact with the perforations 1301; the mark 133 is a two-dimensional code; the two-dimensional code is a dot code; the mark 133 is a large absorption infrared The optical image recognition module 2 further includes a second light source 23 (as shown in the second figure), and the second light source 23 is an infrared light source for generating an infrared light to illuminate the mark 133; , the mark 133 is not absorbed or hardly When the ink that absorbs infrared light is printed, the aforementioned second light source 23 is a light source of visible light.

The projection device of the present invention is suitable for projecting a to-be-projected media 13 having a mark 133. The projection device includes a projection module 12 including a visible light source 121 and an imaging module 123, and the visible light source 121 and The imaging module 123 forms a projection optical path; an optical image recognition module 2 is disposed on the outer side of the projection optical path; a multimedia playback unit 223 is electrically connected to the optical image recognition module 2; and a power supply The unit 122 provides a power of the projection device. The optical image recognition module 2 recognizes the mark 133 and obtains an index data represented by the mark 133 when the projection medium 13 is placed in the projection optical path. A control command is transmitted to the multimedia playback unit 223.

The optical image recognition module 2 includes an optical image sensing component 211 for acquiring an image of the mark 133. The optical image recognition module 2 further includes a second light source 23 (as shown in the second figure). The two light sources 23 are infrared light sources for generating an infrared light to illuminate the mark 133. The optical image recognition module 2 includes a control module 22 electrically connected to the optical image sensing element 211 for processing the optical image sense. The image captured by the component 211 is detected, and the tag 133 is recognized and the control command is generated. The multimedia playback unit 223 is electrically connected to the control module 22, and plays a multimedia material according to the control command.

The to-be-projected medium 13 of the present invention is applicable to a projector having an optical image recognition module 2, the to-be-projected medium 13 includes: a to-be-projected area 131; and a non-projection area 130 located in the area to be projected 131. Peripheral, and having a mark 133; wherein, when a user uses the projector to play the area to be projected 131, the optical The image recognition module 2 can read and obtain one of the index data represented by the mark 133.

The mark 133 is a two-dimensional code; the two-dimensional code is a dot code; the mark 133 is drawn by a large amount of absorption ink that absorbs infrared light; the area to be projected 131 is a slide, non-projection area. The fixing mechanism includes a fixing mechanism and an opening 132. The fixing mechanism fixes the to-be-projected area 131 to the opening 132. The non-projecting area 130 has a plurality of perforations 130, and the to-be-projected medium 13 further includes a roller 134. A plurality of protrusion structures 1341 are interposed on the 134 to interact with the perforations 1301.

The projection system with the optical image recognition function is suitable for projecting a to-be-projected medium 13 having a to-be-projected area 131 and a non-projection area 130 with a mark 133 located beside the area to be projected 131. Wherein: a hollow housing 11 having a slot 110 and an opening, wherein the slot 110 extends into the hollow housing 11 and has a locking mechanism for fixing the medium 13 to be projected; The module 123 is disposed at the opening, and at least a portion is located in the hollow housing 11; a visible light source 121 is fixed in the hollow housing 11 to form an optical path with the imaging module 123, and the optical module 121 The optical path passes through the slot 110 extending toward the hollow casing 11; an optical image recognition module 2 is fixed in the hollow casing 11 on one side of the optical path, and has an optical image sensing component 211 and A processing unit 211; and a multimedia playback unit 223 are fixed in the hollow housing 11 and electrically connected to the optical image recognition module 2, and play a multimedia material according to the control command, wherein the media to be projected 13 When placed in the slot 110, the card The medium to be projected mechanism 13 inside the retaining slot 110, the region 131 to be projected to the light-transmitting film and located on the optical path, the visible light generated by light source 121 through the transparent The image to be projected 131 is projected onto the projection surface by the imaging module 123, and the optical image recognition module 2 captures and recognizes the mark 133 to generate a control command according to the control command. The multimedia playing unit 223 plays the multimedia material.

The optical image recognition module 2 further includes an optical image sensing component 211 and a second light source 23 (as shown in the second figure) for acquiring an image of the mark 133; the second light source 23 is an infrared light. The light source and the optical image recognition function projection system further includes a data storage component 222 for storing the multimedia material, and the projection area 131 and the optical path are perpendicular to each other.

The projection system and the projection device with optical image recognition function of the invention can be used for the projection of the surface of the media, but can be applied to the small size used for personal viewing of the slide or slide. The device is made into a type such as a light box, a reel or a binocular telescope. When the user wants to watch the slide or the slide, the slide or the slide is played inside the small device, and the small device itself can avoid the external light source. In addition to interference, the content of the slide or slide is also protected from being viewed by others.

The above detailed description and the corresponding drawings are intended to illustrate the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Equivalent changes and modifications of the modifications are intended to be included in the scope of the patents covered by the present invention.

1‧‧‧ Subject

11‧‧‧ hollow shell

110‧‧‧ slots

112‧‧‧Location space

12‧‧‧Projection Module

123‧‧‧ imaging module

13‧‧‧Projected media

130‧‧‧Unprojected area

131‧‧‧Project area to be projected

132‧‧‧Opening

133‧‧‧ mark

2‧‧‧ Optical Image Identification Module

21‧‧‧Optical read head

Claims (34)

A projection system with an optical image recognition function includes: a to-be-projected medium having a mark on a surface of the object to be projected; a projection module comprising: a visible light source for generating a visible light; and an imaging mode The optical image recognition module is disposed on an outer side of the projection optical path, and the optical image recognition module has a reading range, wherein the optical image recognition module is located on one side of the visible light source; When a user places the to-be-projected medium in the projection optical path, the mark is located in a reading range of the optical image recognition module, and the optical image recognition module can identify the same in the reading range. mark. The projection system with optical image recognition function according to claim 1, wherein the optical image recognition module comprises an optical image sensing component for acquiring the image of the mark. The projection system of the optical image recognition function of claim 2, wherein the optical image recognition module comprises a control module electrically connected to the optical image sensing component for processing the optical pickup Capture the image and identify the marker and generate a control command. The projection system with optical image recognition function according to claim 3, wherein the optical image recognition module further comprises a multimedia playing unit electrically connected to the control module for receiving the control command and playing A multimedia material. The projection system with optical image recognition function according to claim 3, wherein the projection system further comprises a multimedia playing unit electrically connected to the control module for receiving the control command and playing a multimedia material. . The projection system with optical image recognition function according to claim 1, wherein the to-be-projected medium comprises a light-transmissive area to be projected and a non-projection area, and the non-projection area is wrapped in the light-transmissive area to be projected. Peripheral, and the marker is disposed in the non-projection area. The projection system with optical image recognition function according to claim 1, wherein the to-be-projected medium comprises a non-projection area and a to-be-projected area, the non-projection area is a carrier disk, and the area to be projected is a transparent The optical film is disposed on the carrier, and the carrier has an opening for exposing the transparent film, wherein the transparent film is located on the projection optical path. The projection system with optical image recognition function according to claim 1, wherein the to-be-projected medium comprises two rollers and an annular non-projection area, and the mark is disposed on the annular non-projection area and has an opening The hole is used to expose a region to be projected, and the area to be projected is a light transmissive film, wherein the rollers are disposed inside the annular non-projection region, and the edge of the annular non-projection region has a plurality of perforations, each of the rollers There is at least one protrusion structure through which the protrusion structures interact with the perforations to drive the non-projection area. The projection system with optical image recognition function according to claim 1, wherein the mark is a two-dimensional code. The projection system with optical image recognition function according to claim 9 , wherein the two-dimensional code is a one-point code. A projection system with an optical image recognition function as described in claim 1, wherein the mark is drawn by an absorption ink that absorbs a large amount of infrared light. The projection system with optical image recognition function according to claim 11, wherein the optical image recognition module further comprises a second light source, wherein the second light source is an infrared light source for generating an infrared light to illuminate the mark . A projection device is suitable for projecting a to-be-projected medium having a mark. The projection device comprises: a projection module comprising a visible light source and an imaging module, and the visible light source forms a projection optics with the imaging module An optical image recognition module disposed on an outer side of the projection optical path; a multimedia playback unit electrically connected to the optical image recognition module; and a power supply unit providing the projection device with a power; wherein, When the to-be-projected medium is placed in the projection optical path, the optical image recognition module recognizes the mark and obtains an index data represented by the mark, and transmits a control command to the multimedia play unit. The projection device of claim 13, wherein the optical image recognition module comprises an optical image sensing component for acquiring the image of the mark. The projection device of claim 14, wherein the optical image recognition module further comprises a second light source, and the second light source is an infrared light source for generating an infrared light to illuminate the mark. The projection device of claim 14, wherein the optical image recognition module comprises a control module electrically connected to the optical image sensing component for processing the optical The image captured by the image sensing component identifies the mark and generates the control command. A projection medium is suitable for a projector having an optical image recognition module, the to-be-projected medium comprising: a to-be-projected area; and a non-projection area located at a periphery of the area to be projected and having a mark; When a user uses the projector to play the area to be projected, the optical image recognition module can read and obtain an index data represented by the mark. The medium to be projected as described in claim 17, wherein the mark is a two-dimensional code. The medium to be projected as described in claim 18, wherein the two-dimensional code is a one-point code. The medium to be projected according to claim 17, wherein the area to be projected is a slide. The medium to be projected according to claim 17, wherein the non-projection area further comprises a fixing mechanism and an opening, and the fixing mechanism fixes the area to be projected to the opening. The medium to be projected according to claim 17, wherein the non-projection area has a plurality of perforations, and the medium to be projected further comprises a roller having a plurality of protrusion structures interacting with the openings. A projection system with an optical image recognition function, which is suitable for projecting a to-be-projected medium, the to-be-projected medium having a region to be projected and a non-projection region marked by the region to be projected, wherein: a hollow housing having a slot and an opening, wherein the slot extends into the hollow housing and has a locking mechanism for fixing the medium to be projected; an imaging module is disposed at the opening And at least a portion is located in the hollow housing; a visible light source is fixed in the hollow housing to form an optical path with the imaging module, and the optical path passes through the slot extending toward the hollow housing; The optical image recognition module is fixed in the hollow casing on one side of the optical path, and has an optical image sensing component and a processing unit; and a multimedia playing unit fixed in the hollow casing and the optical image The identification module is electrically connected, and the multimedia data is played according to the control instruction; wherein, when the to-be-projected medium is placed in the slot, the fastening mechanism fixes the to-be-projected medium in the slot, the to-be-projected The area is a light transmissive film and is located on the optical path, and the light generated by the visible light source passes through the image to be projected through the image forming module to project the content on the area to be projected on a projection surface, and the optical image recognition module Generating a control instruction fetch and the identification mark, by the play of the multimedia data of the multimedia play unit according to the control instruction. The projection system with optical image recognition function according to claim 23, wherein the optical image recognition module further comprises an optical image sensing component and a second light source for acquiring the image of the mark. A projection system with optical image recognition function includes a main body and an optical image recognition module, wherein: the hollow shell of the main body has a projection module positioned on the projection optical path of the projection module. Having at least one area to be projected, a plurality of openings, and a mark The optical image recognition module is disposed at a position behind the medium to be projected of the main body and has an optical reading head corresponding to one of the marking positions on the medium to be projected, and the optical reading head is electrically connected with the control mode And the control module is a processing unit with a barcode on the identifiable mark, and the processing unit is electrically connected with the data storage component for storing the data and the voice corresponding to the area to be projected currently projected by the media to be projected. Multimedia playback unit. The projection system with optical image recognition function according to claim 25, wherein the hollow shell of the main body is formed with an accommodation space for positioning the projection module, and is disposed on the side of the hollow casing. A longitudinal slot is provided with a slot for the projection medium to be placed, and a positioning space for the optical image recognition module is arranged laterally at the rear of the slot, and the projection medium is perpendicular to the optical projection path of the projection module. The projection axis on the top. The projection system with optical image recognition function according to claim 25, wherein the medium to be projected on the main body is located in an inner side or the outer side of the opening for the exposed area to be projected, and is arranged in a ring shape and plural. The aperture forms a complex mark of the concentric missed state. The projection system with optical image recognition function according to claim 27, wherein the mark is a sticker attached to the rear surface of the medium to be projected, and one or two of the stickers are formed by printing on each sticker. Dimensional barcode. The projection system with optical image recognition function according to claim 25, wherein the inner side of the slot of the main body hollow housing is disposed in front of the medium to be projected and corresponds to one of the openings for Reflective optical image recognition module A preset light source passes through the baffle of the light to be projected. The projection system with optical image recognition function according to claim 25, wherein the projection module of the main body is a power supply unit including a visible light source and a power source capable of supplying visible light, and is disposed in front of the visible light source. There is an imaging module, and the medium to be projected is located between the visible light source and the imaging module. The projection system with optical image recognition function according to claim 30, wherein the hollow housing of the main body is further provided with a power device having a transmission mechanism and a motor, and the motor is electrically connected to the projection mold. The power supply unit of the group is driven by the motor to drive the transmission medium to rotate. The projection system with optical image recognition function according to claim 31, wherein the hollow housing of the main body is provided with a driving circuit, and the driving circuit has a microcontroller electrically connected to the motor, and The microcontroller is electrically connected to the wireless transmission module, and the processing unit of the optical image recognition module control module is electrically connected with a wireless transmission module capable of wirelessly transmitting the control signal to the wireless transmission module of the driving circuit. . The projection system with optical image recognition function according to claim 25, wherein the optical image recognition module has a housing and has an optical image sensing component on an optical pickup at a side of the housing. The processing unit of the control module is configured to compare the barcode on the mark with the internal data of the data storage component and convert it into a corresponding control signal output, and the multimedia playback unit receives the control signal to play the media to be projected. The sound corresponding to the area to be projected is projected, and the processing unit is electrically connected with a button unit that passes through the housing and is exposed outside the main body and a power supply module that can supply the entire power. The projection system with the optical image recognition function described in claim 25, wherein the processing unit of the optical image recognition module control module is further electrically connected with a recording unit, and the recording unit is a built-in recording chip. Or an external microphone.