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CN111433715A - Handwriting input device and control method thereof - Google Patents

Handwriting input device and control method thereof Download PDF

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Publication number
CN111433715A
CN111433715A CN201780097423.1A CN201780097423A CN111433715A CN 111433715 A CN111433715 A CN 111433715A CN 201780097423 A CN201780097423 A CN 201780097423A CN 111433715 A CN111433715 A CN 111433715A
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CN
China
Prior art keywords
paper
handwriting
paper type
handwriting input
writing
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CN201780097423.1A
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Chinese (zh)
Inventor
叶泽钢
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Shenzhen Royole Technologies Co Ltd
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Shenzhen Royole Technologies Co Ltd
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Publication of CN111433715A publication Critical patent/CN111433715A/en
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

A handwriting input apparatus (100) and a control method of a handwriting input apparatus (100) for controlling a handwriting input apparatus (100), the handwriting input apparatus (100) comprising a tablet (1) and a stylus (2), the control method comprising: recognizing and acquiring paper type information of a paper (3) placed on a handwriting board (1) by a recognition unit (4) of a handwriting input device (100) (S801); controlling an external device (200) establishing a communication connection with the handwriting input apparatus (100) to display an interface (J1) having a format corresponding to a paper type according to the paper type information (S803); recognizing the writing content of the handwriting pen (2) according to the touch track of the handwriting pen (2) sensed by the handwriting board (1) (S805); and transmitting the recognized writing contents to an external apparatus (200) to cause the external apparatus (200) to display the writing contents in the interface (J1) having a format corresponding to a paper type (S807). The handwriting input device (100) and the control method thereof can enable the same effect as that of the entity paper when the handwriting content is displayed on the external equipment (200).

Description

Handwriting input device and control method thereof Technical Field
The present invention relates to input devices, and particularly to a handwriting input device and a control method thereof.
Background
At present, with the continuous development of intelligent handwriting input devices and the convenience of recording, the intelligent handwriting input devices are widely applied to various occasions needing recording, such as conference recording and the like. At present, the paper is laid above the handwriting board by using a wider intelligent handwriting input device, people can write solid handwriting on the paper, and meanwhile, the handwriting pen can detect the written content and control the written content to be displayed and stored in other equipment. However, in the current handwriting input device, the interface format displayed on other devices is controlled to be the same no matter what the user inputs is a meeting record, a copybook or the like, so that the user experience is poor.
Disclosure of Invention
The embodiment of the invention discloses a handwriting input device and a control method thereof, which can enable external equipment to correspondingly display interfaces with different formats according to contents of different items recorded by different paper used by the content recorded by a user.
The embodiment of the invention discloses a handwriting input device, which comprises a handwriting board, a handwriting pen, paper, a recognition unit and a processor. The paper is placed on the handwriting board, the handwriting board is used for sensing a touch track of a handwriting pen when the handwriting pen writes on the paper placed on the handwriting board, and the recognition unit is used for recognizing paper type information of the paper placed on the handwriting board. The processor is used for controlling external equipment to display an interface with a format corresponding to the paper type according to the paper type information.
The embodiment of the invention also discloses a control method of the handwriting input device, which is used for controlling the handwriting input device, wherein the handwriting input device comprises a handwriting board and a handwriting pen, and the control method comprises the following steps: identifying and acquiring paper type information of paper placed on a handwriting board through an identification unit of a handwriting input device; and controlling an external device establishing communication connection with the handwriting input device to display an interface with a format corresponding to the paper type according to the paper type information.
According to the handwriting input device and the control method thereof, the writing content input on the handwriting board can be sent to the external equipment for displaying, and meanwhile, the external equipment can be controlled according to the paper type information of the paper to display the writing content on the interface which is the same as the printing content of the paper, so that the external equipment can correspondingly display the interfaces with different formats according to the different writing contents, and the user experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a handwriting input device according to an embodiment of the invention.
FIG. 2 is a schematic illustration of different types of paper in one embodiment of the present invention.
Fig. 3 is a block diagram of a handwriting input device according to an embodiment of the invention.
Fig. 4 is a schematic diagram of an interface displayed by an external device according to an embodiment of the present invention.
Fig. 5 is a block diagram of a handwriting board and a handwriting pen according to an embodiment of the invention.
FIG. 6 is a block diagram of a handwriting pad and a handwriting pen according to another embodiment of the invention.
Fig. 7 is a block diagram of an identification unit according to an embodiment of the present invention.
Fig. 8 is a flowchart illustrating a method for controlling a handwriting input apparatus according to an embodiment of the present invention.
FIG. 9 is a sub-flowchart of step S805 in FIG. 8 in one embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic diagram of a handwriting input device 100 according to an embodiment of the invention. As shown in fig. 1, the handwriting input apparatus 100 includes a writing pad 1, a pen 2, and a sheet 3. The handwriting input apparatus 100 is communicatively connected to an external device 200.
The paper 3 is placed on the writing pad 1, the writing pen 2 is used for writing on the paper 3 placed on the writing pad 1, and the writing pad 1 is used for sensing a touch track of the writing pen 2 when writing on the paper 3 placed on the writing pad 1. The handwriting board 1 is a touch control board, the handwriting pen 2 is a touch control pen with ink such as printing ink, and when the handwriting pen 2 writes on the paper 3 placed on the handwriting board 1, actual writing is formed on the paper 3.
As shown in fig. 1, the paper 3 is classified according to the written matter, and each paper is provided with a type mark 31 for marking the type of the paper 3, and the type mark 31 includes the paper type information of the paper 3. Wherein, the paper 3 is printed with contents for distinguishing the paper type according to the matters for writing when printing, so that the user can distinguish the type of the paper 3.
Referring to fig. 2, specifically, as shown in fig. 2, when the paper 3 is used for meeting recording, a "title: XX meeting summary "," time ___ ", etc. When the sheet 3 is a sheet for practicing calligraphy, the sheet 3 is printed with "heading: the copybook and the like. When the sheet 3 is for daily recording, the upper part of the sheet 3 will be printed with "title: daily record "or the like distinguishes the contents of the types of the sheets 3 to remind the user to acquire the corresponding types of sheets to be placed on the handwriting board 1 when in use.
Meanwhile, as described above, the paper 3 is provided with a type mark 31 for marking the type of the paper 3 according to the matter of writing. For example, when the sheet 3 is a sheet type for performing meeting minutes, the sheet 3 is provided with a type mark 31 for marking a meeting minutes type, when the sheet 3 is a sheet type for practicing calligraphy, the sheet 3 is provided with a type mark 31 for marking a copybook type, and when the sheet 3 is a sheet type for performing daily minutes, the sheet 3 is provided with a type mark 31 for marking a daily minutes type.
Referring to fig. 3, a block diagram of a handwriting input device 100 is shown, as shown in fig. 3, the handwriting input device 100 further includes a recognition unit 4 and a processor 5.
The recognition unit 4 is used for recognizing the paper type information of the paper 3 placed on the writing tablet 1. Specifically, the recognition unit 4 acquires the paper type information in the type mark 31 in order to recognize the type mark 31 of the paper 3 placed on the writing pad 1.
The processor 5 is configured to receive the paper type information of the paper 3 acquired by the identification unit 4, and control the external device 200 to display an interface having a format corresponding to the paper type according to the paper type information.
In some embodiments, the processor 5 recognizes writing contents of the stylus pen 2 according to the touch trajectory sensed by the tablet 1 when the tablet 1 senses the touch trajectory of the stylus pen 2, and transmits the recognized writing contents to the external device 200, so that the external device 200 displays the writing contents in the interface having the format corresponding to the paper type. Thus, the external device 200 displays the writing contents of the stylus pen 2 and an interface in a format corresponding to the paper type.
The interface in the format corresponding to the paper type is an interface on which contents printed on the paper 31 for distinguishing the paper type are displayed.
Please refer to fig. 4, which is a schematic diagram of an interface J1 displayed by the external device 200. As shown in fig. 4, when the type of the sheet 3 is a type of a copybook, the upper position of the interface J1 displayed by the external device 200 will also display "title: the calligraphy of the copybook achieves the same display effect as the printing style of the paper 3, meanwhile, the writing content ' Dahao river mountain ' of the stylus pen 2 is displayed at the corresponding position of the interface J1, and the effect that the copybook is similar to the effect that the user has a ' title: the same effect of writing on paper 3 of the copybook "will be displayed on the external device 200 as the content originally printed on paper 3 and the user's written content.
Thus, in the present invention, not only the writing input on the tablet 1 is transmitted to the external device 200 for display, but also the external device 200 is controlled according to the paper type information of the paper to be able to display the writing in the same interface as the printing of the paper 31. Therefore, the external device 200 can correspondingly display interfaces with different formats according to different writing contents, and user experience is improved.
Please refer to fig. 5, which is a block diagram of the handwriting board 1 and the pen 2. In some embodiments, the processor 5 is located in the tablet 1. The recognition unit 4 is disposed in the stylus pen 2, and when the user clicks on the tablet 1 through the stylus pen 2, the recognition unit 4 may recognize the type mark 31 of the sheet 3 to recognize the sheet type information of the sheet 3. The clicking of the writing board 1 by the stylus pen 2 includes clicking a corresponding function key B1 (shown in fig. 1) on the writing board 1 to perform a new page creation operation or clicking a paper 3 on the writing board 1 to prepare for writing.
As shown in fig. 5, the writing tablet 1 further comprises a first communication unit 11, and the pen 2 further comprises a second communication unit 21. The handwriting board 1 and the handwriting pen 2 establish communication connection through the first communication unit 11 and the second communication unit 21, and the recognition unit 4 in the handwriting pen 2 sends paper type information to the processor 5. The processor 5 establishes a communication connection with the external device 200 through the first communication unit 11, and transmits the aforementioned written contents and paper type information to the external device 200 through the first communication unit 11.
Fig. 6 is a block diagram of a handwriting board 1 according to another embodiment. In other embodiments, the recognition unit 4 and the processor 5 are both disposed in the writing pad 1, and when the paper 3 is placed on the writing pad 1, the recognition unit 4 can recognize the type mark 31 of the paper 3 to obtain the paper type information of the paper 3.
The processor 5 may be directly connected to the identification unit 4 through an internal data bus or the like to obtain the paper type information identified by the identification unit 4. The same processor 5 establishes a communication connection with the external device 200 through the first communication unit 11, and transmits the aforementioned written contents and paper type information to the external device 200 through the first communication unit 11.
The first communication unit 11 and the second communication unit 21 may be wireless communication modules such as bluetooth, WIFI, NFC (near field communication), or wired communication modules such as a USB interface, an IEEE1394 firewire interface, and a serial port.
Wherein, in some embodiments, the type mark 31 provided on the paper 3 is an infrared code pattern coating T1 coated on either surface of the paper 3, and the infrared code pattern coating T1 is invisible to the naked eye and constitutes an invisible infrared code pattern.
Referring also to fig. 7, in some embodiments, the identification unit 4 identifies the ir-coded pattern coating T1 based on infrared Optical Identification (OID) technology. Specifically, the recognition unit 4 may include an infrared light source 401, a color filter lens 402, and an image processor 403, and the recognition unit 4 recognizes the paper type information carried by the type mark 31/the infrared encoding pattern coating T1 by turning on the infrared light source 401 to illuminate the infrared encoding pattern coating T1, then filtering out the mottle through the color filter lens 402 and collecting the infrared encoding pattern to the image processor 403 for decoding.
In some embodiments, the ir-coding pattern coating T1 can be applied to the paper 31 at the corresponding position of the printed font, for example, the position of "time: ____ ", the user will generally fill in time before recording, so that the paper type information of the paper 31 can be recognized as early as possible when the recognition unit 4 is located in the stylus pen 2. Obviously, the infrared encoding pattern coating T1 can be coated at other suitable positions.
The handwriting board 1 may be a capacitive touch board, a resistive touch board, a pressure touch board, or the like, the handwriting pen 2 may be a touch pen corresponding to the type of the handwriting board 1, and the handwriting pen 2 is filled with ink and can write on the paper 31 placed on the handwriting board 1, meanwhile, the handwriting board 1 can sense the touch of the handwriting pen 2 to identify the coordinate position of the handwriting pen 2, and when the handwriting pen 2 moves, the touch trajectory of the handwriting pen 2 is determined according to the change of the identified coordinate position.
In some embodiments, the paper type information includes the type of the paper 31, and also includes the same contents information and composition information as the printed contents of the paper 31. The processor 5 controls the external device 200 to display an interface having a format corresponding to a paper type according to the paper type information includes: the processor transmits paper type information including content information and layout information to the external apparatus 200 so that the external apparatus 200 can display the contents printed on the paper 31 in a corresponding layout format according to the content information and the layout information in the paper type information. As described above, when the type of the sheet 3 is the type of the copybook, the upper position of the interface J1 displayed by the external apparatus 200 will also display "title: the copybook's pattern achieves the same display effect as the printing pattern of the sheet 3.
In other embodiments, as shown in fig. 3, the handwriting input apparatus 100 further includes a memory 6, as shown in fig. 5 and 6, the memory 6 may be located in the tablet 1, the memory 6 stores electronic document templates corresponding to a plurality of different types of paper 31, and the processor 5 controls the external device 200 to display an interface having a format corresponding to a paper type according to the paper type information includes: the processor 5 obtains the electronic document template of the corresponding type of paper 31 according to the paper type information, and sends the electronic document template to the external device 200 for displaying, so that the interface J1 displayed by the external device 200 is an interface with a format corresponding to the paper type. The electronic document template corresponding to each type of paper 31 is the same as the display content and the typesetting format of the paper 31, and may be obtained by scanning the corresponding type of paper 31 in advance.
In some embodiments, the processor 5 is further configured to determine whether the written content needs to be encrypted according to the paper type information, and when it is determined that the written content needs to be encrypted, encrypt the written content and transmit the encrypted written content to the external device 200.
Specifically, the processor 5 determines whether the paper type is the preset type according to the paper type information acquired by the recognition unit 4, determines that the written content needs to be encrypted when the paper type is determined to be the preset type, and determines that the written content does not need to be encrypted when the paper type is determined not to be the preset type. When determining that the written content needs to be encrypted, the processor 5 encrypts the written content and then transmits the encrypted written content to the external device 200, so that the external device 200 needs to decrypt the encrypted written content to display the written content in the interface with the format corresponding to the paper type.
The preset type may be a type preset by a user, for example, a paper type for recording important meeting minutes, and the like.
Therefore, when receiving the written content, the external device 200 may display the written content only after inputting the corresponding password for decryption. Wherein, the password can be a character password, a fingerprint password, a gesture password, and the like.
In some embodiments, when it is determined that the written content needs to be encrypted, the processor 5 encrypts the written content in its entirety and transmits the encrypted written content to the external device 200 after confirming that the writing is finished. The processor 5 determines that writing is finished when detecting the clicking operation of the corresponding function key B1 of the writing pen 2 on the writing board 1, for example, detecting the clicking operation of the "finish" key of the writing pen 2 on the writing board 1. Alternatively, the processor determines that writing is finished when detecting a specific touch trajectory of the stylus pen 2, which may be a "√" shaped trajectory.
Obviously, in some embodiments, the processor 5 does not need to determine whether the written content needs to be encrypted, but directly sends the unencrypted written content to the external device 200 for synchronous display on the external device 200.
In some embodiments, the processor 5 is further configured to control to newly create an electronic document in the memory 6 each time the user uses a new paper 31 and detects a new page operation performed by the handwriting pen 2 on the handwriting board 1, and when the handwriting board 1 detects a touch trajectory of the handwriting pen 2, add corresponding writing contents in the electronic document, and save the writing contents when writing is completed. Accordingly, the writing contents written by the user with the stylus pen 2 are also synchronously stored in the memory 6 as the archive records of the electronic file.
Similarly, processor 5 determines that writing is complete upon detecting a click of pen 2 on corresponding function key B1 on tablet 1, for example, a click of "done" key (not shown) on tablet 1. Alternatively, the processor determines that writing is finished when detecting a specific touch trajectory of the stylus pen 2, which may be a "√" shaped trajectory. The processor 5 may detect the click or the specific touch trajectory of the corresponding function key B1 of the handwriting pen 2 on the handwriting board 1 according to the fact that the handwriting board 1 senses the click or the touch trajectory of the handwriting pen 2.
The corresponding function key B1 may be a touch key disposed in the peripheral area of the tablet 1.
Wherein, when the processor 5 newly creates the electronic document in the memory 6, it also obtains the paper type information of the current paper 31 identified and obtained by the identification unit 4, and controls to create the electronic document corresponding to the current paper type. For example, the current sheet 31 is of the type of calligraphy copybook, printed with "title: copybook practice ", the electronic document is also displayed with" title: copybook ", so that each saved electronic document has the same display effect as the actual paper 31, and the user can quickly know what recording matter the written content is related to when reading by the subsequent user.
Similarly, when the sheet type information includes the same contents information and layout information as the printed contents of the sheet 31. The processor 5 generates an electronic document displaying the contents printed on the sheet 31 in a corresponding layout format based on the contents information and the layout information in the sheet type information. As described above, when the type of the paper 3 is a type of a calligraphy practice character, the upper position of the electronic document will also display "title: the copybook's pattern achieves the same display effect as the printing pattern of the sheet 3.
In other embodiments, when the memory 6 stores several electronic document templates of different types of paper 31, the electronic document template of the corresponding type of paper 31 is obtained to create a corresponding electronic document.
The electronic document can be in a txt format, a word format and other formats.
Therefore, in the application, the type of the paper 31 can be automatically identified, the interface which is the same as the paper 31 is controlled to be displayed on the external equipment 200, and then the written content is displayed on the interface, so that the display in the external equipment 200 is consistent with the display on the actual paper 31, and the user experience is improved. Further, by storing the same electronic document as the paper document written on the actual paper 31, the writing of the user can be archived, and the user can also easily and quickly know the recorded matter related to the written content at the time of reading.
As shown in fig. 1, in some embodiments, the handwriting board 1 further includes a connecting shaft 11 disposed in the middle of the handwriting board 1, the handwriting board 1 specifically includes two small handwriting boards 12, and the two small handwriting boards 12 can be closed around the connecting shaft 11, so as to be convenient to carry.
The processor 5 may be a central processing unit, a single chip, a digital signal processor, a microcontroller, or the like. The memory 6 may be a solid state memory, a memory card, or the like.
The external device 200 may be a mobile phone, a tablet computer, or the like, and is installed with application software (APP) that is matched with the handwriting input device 100. In use, the user may open the application software in the external device 200, and then write on the tablet 1 by using the stylus pen 2, so that the written content can be displayed on the external device 200 synchronously while writing, and the external device 200 can be caused to display the interface J1 in the format corresponding to the currently used paper 31.
Fig. 8 is a flowchart illustrating a method for controlling a handwriting input device according to an embodiment of the present invention. The control method is used for controlling the handwriting input device 100, and comprises the following steps.
The sheet type information of the sheet 31 placed on the handwriting board 1 is recognized and acquired by the recognition unit 4 (S801). In some embodiments, the identification unit 4 is disposed in the stylus pen 2, and the step S801 includes: when the user clicks on the tablet 1 by the stylus pen 2, the recognition unit 4 recognizes the type mark 31 of the sheet 3 placed on the tablet 1 to recognize the sheet type information of the sheet 3. In other embodiments, the recognition unit 4 is disposed in the writing tablet 1, and the step S801 includes: when the sheet 3 is placed on the writing pad 1, the recognition unit 4 recognizes the type mark 31 of the sheet 3 placed on the writing pad 1 and recognizes the sheet type information of the sheet 3. In some embodiments, the type of indicia disposed on the paper is an ir-coded pattern coating applied to either surface of the paper, the ir-coded pattern coating being invisible to the unaided eye to provide an invisible ir-coded pattern. The identification unit comprises an infrared light source, a color filter lens and an image processor, the identification unit irradiates the infrared coding pattern coating by starting infrared 401, then filters off mixed colors through the color filter lens and collects the infrared coding pattern to the image processor for decoding, and paper type information carried by the type mark is identified.
The processor 5 controls the external device 200 to display an interface having a format corresponding to the paper type according to the paper type information (S803). In some embodiments, the paper type information includes content information and layout information identical to the printed content of the paper 31, and the step S803 includes: the processor 5 transmits the paper type information including the contents information and the layout information to the external device 200 so that the external device 200 displays the contents printed on the paper 31 in the corresponding layout format according to the contents information and the layout information in the paper type information. In other embodiments, the memory 6 stores electronic document templates corresponding to a plurality of different types of paper 31, and the step S803 includes: the processor 5 obtains the electronic document template of the paper 31 of the corresponding type according to the paper type information, and sends the electronic document template to the external device 200 for displaying, so that the interface displayed by the external device 200 is an interface with a format corresponding to the paper type.
In some embodiments, as shown in fig. 8, the control method further includes the steps of:
the processor 5 recognizes the writing contents of the stylus pen 2 from the touch trajectory sensed by the tablet 1 (S805).
The processor 5 transmits the recognized writing contents to an external device establishing a communication connection with the handwriting input apparatus 100 to cause the external device 200 to display the writing contents in the interface having a format corresponding to the paper type (S807).
In some embodiments, the control method further comprises the steps of: when a user uses a new paper 31 and performs a new page operation on the handwriting board 1 through the handwriting pen 2 every time, controlling to newly build an electronic document in the memory 6; and when the handwriting board 1 detects the touch track of the handwriting pen 2, corresponding writing contents are added in the electronic document according to the touch track, and the writing contents are stored after the writing is finished.
Further, the controlling of creating an electronic document in the memory 6 includes: when the electronic document is newly created in the memory 6, the processor 5 also obtains the paper type information of the current paper 31 identified and obtained by the identification unit 4, and controls to create the electronic document corresponding to the current paper type.
In some embodiments, the paper type information includes content information and layout information identical to the printed content of the paper 31, and the processor 5 generates an electronic document displaying the printed content on the paper 31 in a corresponding layout format according to the content information and layout information in the paper type information.
In some embodiments, when the memory 6 stores electronic document templates of several different types of paper 31, the processor 5 obtains the electronic document template of the corresponding type of paper 31 to create a corresponding electronic document.
Please refer to fig. 9, which is a sub-flowchart of step S805 in an embodiment. As shown in fig. 9, in an embodiment, the step S805 specifically includes the following steps.
The processor 5 determines whether the written contents need to be encrypted according to the paper type information (S8051). If yes, step S8052 is executed, and if no, step S8053 is executed. In some embodiments, the step 8051 comprises: determining whether the paper type is a preset type according to the paper type information acquired by the recognition unit 4, determining that the written contents need to be encrypted when the paper type is determined to be the preset type, and determining that the written contents do not need to be encrypted when the paper type is determined not to be the preset type.
When it is determined that the written contents need to be encrypted, the written contents are encrypted and then transmitted to the external device 200, so that the external device 200 needs to decrypt and then display the written contents in the interface having the format corresponding to the paper type (S8053).
When it is determined that the written contents do not need to be encrypted, the written contents are directly transmitted to the external device 200 so that the external device 200 displays the written contents in the interface having the format corresponding to the paper type (S8055). Wherein, when it is determined that the written content does not need to be encrypted, the processor 5 transmits the recognized written content to the external device 200, so that the external device 200 synchronously displays the written content in the interface having the format corresponding to the paper type.
In some embodiments, the present application further provides a computer-readable storage medium, in which program instructions are stored, and the program instructions are used by the processor 5 to execute the control method shown in fig. 8 to 9 after being called.
The computer-readable storage medium may be a solid-state memory, a memory card, an optical disc, etc., and the computer-readable storage medium may also be the aforementioned memory 6.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (20)

  1. A handwriting input apparatus, comprising a handwriting pad, a handwriting pen, and a paper, wherein said paper is placed on said handwriting pad, said handwriting pad is used for sensing a touch trajectory of said handwriting pen when said handwriting pen writes on said paper placed on said handwriting pad, said handwriting input apparatus further comprising:
    a recognition unit configured to recognize paper type information of the paper placed on the handwriting board;
    and the processor is used for controlling the external equipment to display an interface with a format corresponding to the paper type according to the paper type information.
  2. The handwriting input apparatus according to claim 1, wherein each paper is provided with a type mark for marking a type of the paper, the paper is printed with contents for distinguishing the paper type according to its matter for writing when printed, the interface having a format corresponding to the paper type is an interface on which the contents for distinguishing the paper type printed by the paper are displayed, and the external device displays the writing contents of the stylus pen and the interface of the format corresponding to the paper type.
  3. The handwriting input apparatus according to claim 2, wherein said recognition unit is provided in said stylus pen, and when a user clicks on the tablet by the stylus pen, said recognition unit recognizes the type mark of the paper and recognizes the paper type information of the paper.
  4. The handwriting input apparatus according to claim 2, wherein said recognition unit is provided in a writing pad, and when a sheet is placed on said writing pad, said recognition unit recognizes a type mark of the sheet to recognize sheet type information of the sheet.
  5. The handwriting input apparatus of claim 2, wherein the paper type information includes a type of paper and includes content information and layout information identical to the printed contents of the paper, and the processor transmits the paper type information including the content information and the layout information to the external device so that the external device can display the contents printed on the paper in a corresponding layout format according to the content information and the layout information in the paper type information.
  6. The handwriting input apparatus according to claim 2, characterized in that the handwriting input apparatus further comprises a memory, the memory stores electronic document templates corresponding to a plurality of different types of paper, the processor obtains the electronic document template of the corresponding type of paper according to the paper type information, and sends the electronic document template to the external device for displaying, so that the interface displayed by the external device is an interface with a format corresponding to the paper type.
  7. The handwriting input apparatus of any of claims 1-6, wherein said type mark provided on the paper is an infrared code pattern coating applied on either surface of the paper, said infrared code pattern coating being invisible to the naked eye and constituting a hidden infrared code pattern.
  8. The handwriting input apparatus according to claim 7, wherein said recognition unit comprises an infrared light source, a color filter lens and an image processor, said recognition unit recognizes the paper type information carried by the type mark by illuminating said infrared code pattern coating by turning on the infrared light source, then filtering out the mottle by the color filter lens and collecting the infrared code pattern to said image processor for decoding.
  9. The handwriting input apparatus of any of claims 1-6, wherein said processor is further configured to determine whether the written content needs to be encrypted based on the paper type information, and to encrypt the written content and transmit it to the external device when it is determined that the written content needs to be encrypted.
  10. The handwriting input apparatus of claim 9, wherein the processor determines that the written content requires encryption when the paper type is determined to be the preset type, and determines that the written content does not require encryption when the paper type is determined not to be the preset type.
  11. The handwriting input apparatus according to any one of claims 1-6, wherein said processor is further configured to control to newly create an electronic document in the memory when detecting a new page operation entered by the handwriting pen on the handwriting pad, and to add corresponding writing contents in the electronic document when the handwriting pad detects a touch trajectory of the handwriting pen, and to save the electronic document when writing is completed.
  12. The handwriting input apparatus of claim 11, wherein the processor, when newly creating the electronic document in the memory, also simultaneously acquires the paper type information of the current paper recognized and obtained by the recognition unit, and controls to create the electronic document corresponding to the current paper type.
  13. A control method of a handwriting input apparatus, for controlling a handwriting input apparatus, said handwriting input apparatus comprising a handwriting pad and a handwriting pen, said control method comprising:
    identifying and acquiring paper type information of paper placed on a handwriting board through an identification unit of a handwriting input device;
    and controlling an external device establishing communication connection with the handwriting input device to display an interface with a format corresponding to the paper type according to the paper type information.
  14. The control method according to claim 13, wherein the recognition unit is provided in the stylus pen, and the "recognizing and acquiring paper type information of paper placed on a writing pad by the recognition unit of the handwriting input apparatus" includes:
    when a user clicks on the writing board through the handwriting pen, the type mark of the paper placed on the writing board is identified through the identification unit, and the paper type information of the paper is identified.
  15. The control method according to claim 13, wherein the recognition unit is provided in a handwriting pad, and the "recognizing and acquiring paper type information of a paper placed on the handwriting pad by the recognition unit of the handwriting input apparatus" includes:
    when a paper is placed on the writing pad, the paper type information of the paper is identified by the identification unit identifying the type mark of the paper placed on the writing pad.
  16. The control method according to claim 13, wherein the paper type information includes content information and composition information identical to contents of printing of the paper, and the "controlling an external device establishing a communication connection with the handwriting input apparatus to display an interface having a format corresponding to the paper type according to the paper type information" includes:
    and sending the paper type information including the content information and the typesetting information to the external equipment, so that the external equipment displays the content printed on the paper in a corresponding typesetting format according to the content information and the typesetting information in the paper type information.
  17. The method as claimed in claim 13, wherein the memory of the handwriting input device stores electronic document templates corresponding to a plurality of different types of paper, and the controlling the external device establishing communication connection with the handwriting input device to display an interface having a format corresponding to a paper type according to the paper type information comprises:
    and acquiring an electronic document template of the paper of the corresponding type according to the paper type information, and sending the electronic document template to the external equipment for displaying so that an interface displayed by the external equipment is an interface with a format corresponding to the paper type.
  18. The control method according to any one of claims 13 to 17, characterized by further comprising the steps of:
    when a user uses new paper and performs new page creation operation on a handwriting board through a handwriting pen every time, controlling to create an electronic document in a memory of a handwriting input device, and when the handwriting board detects a touch track of the handwriting pen, simultaneously adding corresponding writing contents in the electronic document according to the touch track, and storing the electronic document after writing.
  19. The control method of claim 18, wherein said controlling to create an electronic document in the memory comprises:
    when the electronic document is newly established in the memory, the paper type information of the current paper identified and obtained by the identification unit is also acquired at the same time, and the electronic document corresponding to the current paper type is controlled to be established.
  20. The control method according to claim 13, characterized in that the method further comprises the step of:
    recognizing the writing content of the handwriting pen according to the touch track of the handwriting pen sensed by the handwriting board; and
    transmitting the recognized writing contents to an external device so that the external device displays the writing contents in the interface having a format corresponding to the paper type.
CN201780097423.1A 2017-12-27 2017-12-27 Handwriting input device and control method thereof Pending CN111433715A (en)

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