CN201194416Y - Multifunctional visible door bell - Google Patents
Multifunctional visible door bell Download PDFInfo
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- CN201194416Y CN201194416Y CNU2008200931075U CN200820093107U CN201194416Y CN 201194416 Y CN201194416 Y CN 201194416Y CN U2008200931075 U CNU2008200931075 U CN U2008200931075U CN 200820093107 U CN200820093107 U CN 200820093107U CN 201194416 Y CN201194416 Y CN 201194416Y
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- 230000005236 sound signal Effects 0.000 claims abstract description 7
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- 239000004973 liquid crystal related substance Substances 0.000 abstract description 8
- 230000000007 visual effect Effects 0.000 abstract 2
- 230000002860 competitive effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 238000012800 visualization Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
This utility model refers to a multi-functional visual doorbell, whose indoor unit includes a video driving and time sequence control unit, a liquid crystal display screen, an audio power amplifier and a speaker; in addition, it further includes an audio video file processing unit electrically connected with the video driving and time sequence control unit and outputting a video signal to the video driving and time sequence control unit; the audio video file processing unit is further electrically connected with the audio power amplifier and outputs an audio signal to the audio power amplifier. The multi-functional visual doorbell adopting the technical proposal of this utility model is able to play the audio and video files through the original liquid crystal display and speaker of the doorbell because of setting the audio video file processing unit, realize the function of the home theater, browse digital picture and realize the function of the digital picture frame. This utility model can realize multiple useful functions, greatly improve the cost performance of the product and increase the product competitive strength under the condition of increasing a few costs.
Description
Technical field
The utility model belongs to electronic technology field, relates to video doorbell, is specifically related to a kind of multifunction video door phone.
Background technology
Along with the raising of people's living standard and the improvement of housing condition, video doorbell becomes the electronic product of family's indispensability gradually.Yet because its special product feature is low such as frequency of utilization, each service time is very short, makes video doorbell often pass into silence, and almost becomes ornaments.In recent years along with development of science and technology, use the high-grade video doorbell of large scale film transistor type (Thin Film Transistor is called for short TFT) LCDs to become the high-grade electronic product of minority among other.Such as a kind of video doorbell shown in Fig. 1, its indoor set mainly comprises: safety-protection system interface and talkback circuit, be the display unit of core, the loudspeaker arrangement that comprises audio frequency power amplifier and loud speaker, microphone and keyboard with the liquid crystal screen.Display unit specifically comprises video drive and sequential control unit, LCDs and backlight driving unit.The TFT LCDs is used for display image.Backlight driving unit is used to the TFT LCDs that light source is provided, and makes TFT LCDs content displayed as seen beautiful.Video drive and sequential control circuit are used for the vision signal of types such as mixed video signal or y/c signal is converted to rgb signal, to satisfy the demonstration needs of TFT LCDs.This function can be realized jointly by video decoding chip and timing controller, also can be realized by a single-chip.Audio frequency power amplifier is used for audio signal is carried out power amplification.Loud speaker is used for that the audio signal that audio frequency power amplifier is exported is converted to sound playing and goes out.Talkback circuit and safety-protection system interface by linking to each other with off-premises station and linking to each other with safety-protection system by network, are realized functions such as video intercom, remote unlocking, remote monitoring.This type of video doorbell can only play the effect of doorbell, the specialities attribute low based on the video doorbell frequency of utilization, that service time is short, to be a huge wasting of resources undoubtedly, also will influence simultaneously user's purchase intention, therefore based on the multifunction video door phone of conventional visualization door bell and button system, will become an important research direction of electronic technology field.
The utility model content
Technical problem to be solved in the utility model is: a kind of multifunction video door phone is provided, makes existing video doorbell through after improving, improve its function greatly, realize the audio/video multimedia playing function.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of multifunction video door phone comprises indoor set, and described indoor set comprises safety-protection system interface and talkback circuit, video drive and sequential control unit, LCDs, keyboard, audio frequency power amplifier and loud speaker; Described keyboard is electrically connected with safety-protection system interface and talkback circuit, and safety-protection system interface and talkback circuit are electrically connected with video drive and sequential control unit, and video drive and sequential control unit are electrically connected with LCDs; Described safety-protection system interface and talkback circuit also are electrically connected with audio frequency power amplifier, and audio frequency power amplifier is electrically connected with loud speaker; In addition, described multifunction video door phone also comprises the audio-video document processing unit, and described audio-video document processing unit is electrically connected with video drive and sequential control unit, and outputting video signal is given described video drive and sequential control unit; Described audio-video document processing unit also is electrically connected with audio frequency power amplifier, and output audio signal is given described audio frequency power amplifier.
Further, described audio-video document processing unit comprises audio-video document processor, clock circuit, memory and buffer; Described clock circuit is electrically connected with the audio-video document processor, for the audio-video document processor provides necessary clock, and can realize clock and perpetual calendar function; Described memory and audio-video document processor are electrically connected, and are stored with the audio-video document drive software; Described audio-video document processor reads the audio-video document and the computing of decoding under the control of drive software; Described buffer is electrically connected with the audio-video document processor, assists the work of audio-video document processor.
In the optimized technical scheme, described memory is a Nand type flash memory.
In the optimized technical scheme, described buffer is SDRAM.
In the optimized technical scheme, described audio-video document processor also is electrically connected with keyboard.
Further in the optimized technical scheme, described multifunction video door phone also comprises storage expansion unit; Described storage expansion unit is electrically connected with the audio-video document processor.
Further, described storage expansion unit comprises the Card Reader circuit, and described Card Reader circuit is electrically connected with the audio-video document processor.
Further, described storage expansion unit comprises usb circuit, and described usb circuit is electrically connected with the audio-video document processor.
Further again, described usb circuit comprises two USB interface at least, and comprising a mini USB interface.
Adopt the multifunction video door phone of technical solutions of the utility model, the beneficial effect that is compared with the prior art is:
Owing to be provided with the audio-video document processing unit, can pass through original LCD of video doorbell and loudspeaker plays Voice ﹠ Video file, realize the function of home theater, can also browse digital picture etc., realize the function of digital frame, thereby under the situation that only increases less cost, can realize multiple very useful function, improve cost performance of product greatly, strengthen product competitiveness.
Because the audio-video document processing unit further comprises audio-video document processor, clock circuit, memory and buffer, and is simple in structure, with low cost.
Because memory adopts Nand type flash memory, stable performance, and cost performance is higher.
Because buffer adopts SDRAM, and is with low cost, dependable performance.
Since for the audio-video document processing unit is provided with keyboard, handled easily.Owing to the shared keyboard of original video doorbell, be convenient to centralized control, also strengthened the operability of product.
Owing to further be provided with storage expansion unit, can conveniently obtain audio-video document from the external world, make product more handy.
Because storage expansion unit comprises the Card Reader circuit, can be connected with multiple storage card by the Card Reader circuit, read audio-video document, photo etc. from storage card.
Because storage expansion unit comprises usb circuit, make multifunction video door phone to be connected with extraneous other USB device easily by usb circuit.
Because usb circuit comprises two USB interface at least, thereby can connect an above USB device simultaneously; And wherein have at least one to be mini USB interface, thereby can also be with a lot of popular now, the palm digital equipment with mini USB interface connects.
Description of drawings
Fig. 1 is a kind of theory diagram of existing video doorbell;
Fig. 2 is the theory diagram of the utility model embodiment one multifunction video door phone;
Fig. 3 is the theory diagram of the utility model embodiment two multifunction video door phones.
Embodiment
Embodiment one
The multifunction video door phone that this embodiment provides has been set up the audio-video document processing unit and has been realized as shown in Figure 2 on the basis of existing video doorbell.The audio-video document processing unit specifically comprises: audio-video document processor, clock circuit, as the SDRAM (Synchronous DynamicRandom Access Memory, synchronous DRAM) of buffer with as the Nand Flash (Nand type flash memory) of memory.Described audio-video document processor is the core of audio-video document processing unit, it is used for the computing etc. of decoding of audio frequency or video file, it is electrically connected with the keyboard of video doorbell, the operator can operate the audio-video document processing unit by described keyboard, can certainly be for the audio-video document processing unit be provided with a keyboard separately, even remote controller.When needing to adopt remote controller control, a remote signal receiver need be set to be connected with the audio-video document processor, control signal is through receiving and pass to the audio-video document processor by described remote signal receiver after the remote controller emission, the work of control audio-video document processor.Telecontrol engineering is quite ripe at present, is not described in detail in this.Described clock circuit is electrically connected with the audio-video document processor, the clock of necessity is provided for it when the audio-video document processor is worked, and can realizes clock and perpetual calendar function.Described SDRAM is electrically connected with the audio-video document processor as buffer, assists the work of audio-video document processor.Described Nand Flash is electrically connected with the audio-video document processor as memory, is stored with audio frequency, video file and necessary drive software.Drive software belongs to technology commonly used in the prior art, and this paper no longer describes in detail.The audio-video document processor also is electrically connected with the original audio frequency power amplifier of video doorbell, utilizes described audio frequency power amplifier that the audio signal of audio-video document processor output is amplified, and comes out by loudspeaker plays again.In addition, the audio-video document processor also is electrically connected with video drive and sequential control unit in the video doorbell, the video signal transmission that the audio-video document processor decodes comes out afterwards to produce is further handled to video drive and sequential control unit, demonstrated video image by liquid crystal display then.
The operator can import corresponding instruction by keyboard during use, and the audio-video document processor is then according to instruction, reads corresponding audio file or video file is handled, decoded from Nand Flash.If audio file then carries out power amplification with the audio signal transmission that produces to audio frequency power amplifier, go out by loudspeaker plays then.If video file, also the video signal transmission that produces is electrically connected to video drive and sequential control unit simultaneously, the video signal transmission that the back of decoding produces is further handled to video drive and sequential control unit, demonstrated video image by liquid crystal display then.
In addition, can also be by the audio-video interface that is electrically connected with the audio-video document processor be set, by described audio-video interface audio-video signal is transferred to miscellaneous equipment, such as television set, sound equipment etc., because television set has bigger screen, sound equipment has better acoustics, thereby can better realize the audio-video document playing function.
This embodiment has mainly been utilized the parts such as liquid crystal video of original video doorbell, can realize the function of playing back music, displaying video by drive software, even can playing pictures, realizes the function of DPF.Because the cost of liquid crystal screen and loud speaker is higher, so the utility model only increased very little cost, just can realize a plurality of new functions that have very much practical value, thereby have good market prospects.And need further be pointed out that, along with development of electronic technology such as liquid crystal display driving, audio frequency and video processing, and the lifting of chip integration, the utility model implements will be more and more simpler, cost also will be more and more lower, while can make the volume of product littler, performance is stable more, cost is lower, easier realization commercialization.
Embodiment two
The multifunction video door phone that this embodiment provides has carried out further improvement and has realized as shown in Figure 3 on the basis of embodiment one.Compare embodiment one, the multifunction video door phone of this embodiment has been set up storage expansion unit.Described storage expansion unit comprises Card Reader circuit and USB (Universal Serial Bus, USB) interface circuit.Described Card Reader circuit and audio-video document processor are electrically connected, and are the interface circuits between storage card and the audio-video document processor.When storage card inserts on the slot of Card Reader circuit, storage card is and the Card Reader circuit is electrically connected, the operator can read audio-video document from described storage card by keyboard operation audio-video document processor, just as from Nand Flash, reading audio file or video file, so storage card and corresponding Card Reader circuit can be regarded as the expansion of Nand Flash.The storage card that the Card Reader circuit is supported is not limited only to a certain storage card, and can comprise two kinds or two or more the most frequently used storage card now, such as SD card, mmc card, XD card, CF card, mini SD card, MS card etc.
In addition, storage expansion unit also comprises usb circuit, the audio-video document processor can be connected with extraneous USB device by the USB interface (perhaps usb data line) of described usb circuit, reads audio-video document from extraneous USB device such as USB flash disk, digital cameras.What need further specify is, the usb circuit of this embodiment comprises plural USB interface, and one of them is " a mini USB interface ", to satisfy multiple demand.Can only store drive software among the Nand Flash in this scheme, and audio-video document obtains by the storage card or the USB device of storage expansion unit by the external world.If memory does not need to store audio-video document, then can adopt the small-capacity memory of other type such as Nor Flash, to obtain higher cost performance.
The utility model changes under the little situation at cost, has enriched the function of conventional visualization doorbell, except the function with conventional visualization doorbell video intercom, also has the function of digital photo frame, digital acoustics and home theater.Such as, can directly be inserted in the storage card of digital camera on the utility model, can browse each live moment, relatives and friends' of digital camera record photo, short-movie video recording.There are a lot of people seldom to see photo now, exactly because digital camera generally only has the display screen of two inches sizes with digital camera.The utility model can be used as digital album, lively demonstration digital photo.Can certainly be from computer picture, music, film be copied to by memory carriers such as USB flash disk or SD, XD, CF and play in the utility model, make the video doorbell of the low utilization rate of tradition bring pleasing music, animation and film to daily life.The utility model can directly read audio-video document from memory devices such as external storage card, USB flash disks by storage expansion unit, also the audio-video document of memory devices such as external storage card, USB flash disk can be copied among the Nand Flash in the machine forever to preserve.Here want lay special stress on once be, in the time of needs tradition doorbell function, absolute priority function of the present utility model has just embodied, also promptly: when the people comes to visit or need the intercommunication conversation, the utility model will jump to the basic video intercom function of video doorbell immediately from current state.The utility model becomes video doorbell into leading role in the electronic product, and is easy to use, can also control by remote controller except that keyboard.In addition, but also onboard clock, perpetual calendar, and function such as regularly broadcasts is set, under the assurance security protection situation, can bring very big enjoyment to daily life, thereby have good market prospects.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. a multifunction video door phone comprises indoor set, and described indoor set comprises safety-protection system interface and talkback circuit, video drive and sequential control unit, LCDs, keyboard, audio frequency power amplifier and loud speaker; Described keyboard is electrically connected with safety-protection system interface and talkback circuit, and safety-protection system interface and talkback circuit are electrically connected with video drive and sequential control unit, and video drive and sequential control unit are electrically connected with LCDs; Described safety-protection system interface and talkback circuit also are electrically connected with audio frequency power amplifier, and audio frequency power amplifier is electrically connected with loud speaker; It is characterized in that described multifunction video door phone also comprises the audio-video document processing unit, described audio-video document processing unit is electrically connected with video drive and sequential control unit, and outputting video signal is given described video drive and sequential control unit; Described audio-video document processing unit also is electrically connected with audio frequency power amplifier, and output audio signal is given described audio frequency power amplifier.
2. multifunction video door phone as claimed in claim 1 is characterized in that, described audio-video document processing unit comprises audio-video document processor, clock circuit, memory and buffer; Described clock circuit is electrically connected with the audio-video document processor, for the audio-video document processor provides necessary clock; Described memory and audio-video document processor are electrically connected, and are stored with audio-video document and drive software; Described audio-video document processor reads the audio-video document and the computing of decoding under the control of drive software; Described buffer is electrically connected with the audio-video document processor, assists the work of audio-video document processor.
3. multifunction video door phone as claimed in claim 2 is characterized in that, described memory is a Nand type flash memory.
4. multifunction video door phone as claimed in claim 2 is characterized in that, described buffer is SDRAM.
5. multifunction video door phone as claimed in claim 2 is characterized in that, described audio-video document processor also is electrically connected with keyboard or remote signal receiver, by keyboard or remote signal receiver control signal.
6. as any described multifunction video door phone in the claim 2 to 5, it is characterized in that described multifunction video door phone also comprises storage expansion unit; Described storage expansion unit is electrically connected with the audio-video document processor.
7. multifunction video door phone as claimed in claim 6 is characterized in that described storage expansion unit comprises the Card Reader circuit, and described Card Reader circuit is electrically connected with the audio-video document processor.
8. multifunction video door phone as claimed in claim 6 is characterized in that described storage expansion unit comprises usb circuit, and described usb circuit is electrically connected with the audio-video document processor.
9. multifunction video door phone as claimed in claim 8 is characterized in that, described usb circuit comprises two USB interface at least, and comprising a mini USB interface.
10. multifunction video door phone as claimed in claim 8 is characterized in that described storage expansion unit also comprises the Card Reader circuit, and described Card Reader circuit is electrically connected with the audio-video document processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200931075U CN201194416Y (en) | 2008-03-31 | 2008-03-31 | Multifunctional visible door bell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200931075U CN201194416Y (en) | 2008-03-31 | 2008-03-31 | Multifunctional visible door bell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201194416Y true CN201194416Y (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200931075U Expired - Fee Related CN201194416Y (en) | 2008-03-31 | 2008-03-31 | Multifunctional visible door bell |
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| Country | Link |
|---|---|
| CN (1) | CN201194416Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067695A (en) * | 2013-01-18 | 2013-04-24 | 安徽恒信通智能科技有限公司 | Intelligent visible remote monitoring device |
| CN105072387A (en) * | 2015-07-23 | 2015-11-18 | 上海玮舟微电子科技有限公司 | Video recording method for video door bell and video door bell |
| CN107872652A (en) * | 2017-11-08 | 2018-04-03 | 陈永 | A visual doorbell |
-
2008
- 2008-03-31 CN CNU2008200931075U patent/CN201194416Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067695A (en) * | 2013-01-18 | 2013-04-24 | 安徽恒信通智能科技有限公司 | Intelligent visible remote monitoring device |
| CN105072387A (en) * | 2015-07-23 | 2015-11-18 | 上海玮舟微电子科技有限公司 | Video recording method for video door bell and video door bell |
| CN107872652A (en) * | 2017-11-08 | 2018-04-03 | 陈永 | A visual doorbell |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090211 Termination date: 20130331 |