CN105807999B - Method for inputting handwritten information to display device through handwriting device - Google Patents
Method for inputting handwritten information to display device through handwriting device Download PDFInfo
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- CN105807999B CN105807999B CN201610135821.5A CN201610135821A CN105807999B CN 105807999 B CN105807999 B CN 105807999B CN 201610135821 A CN201610135821 A CN 201610135821A CN 105807999 B CN105807999 B CN 105807999B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input 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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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- General Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The invention provides a method for inputting handwritten information to a display device through a handwriting device. The display device comprises a display screen and a display control unit; the handwriting device comprises a handwriting board and a handwriting control unit; the display control unit establishes a communication connection with the handwriting control unit; and the handwritten information is input to the display device through the handwriting device. The method has the advantages that (1) multiple working modes such as a real-time transmission mode, an offline transmission mode, a manual clearing mode and an automatic clearing mode are provided, so that working demands of users in different working scenes can be met; and (2) the display device is externally connected with the handwriting board, so that the handwritten information is input to the display device through the handwriting device, on one hand, the configuration complexity of the display device end can be lowered and the cost of the whole system can be reduced, and on the other hand, the method has the advantages of good hand feel of input and high input efficiency.
Description
Technical field
The invention belongs to information science technology field, and in particular to one kind is input into hand-written by handwriting equipment to display device
The method of information.
Background technology
With developing rapidly for science and technology, the terminal device such as panel computer, mobile phone is widely used to people's work, life
In living and study, as people's work, the indispensable powerful of living and studying.
However, the terminal device such as existing panel computer, mobile phone, the input tool for being used is mainly external connection keyboard or touches
Screen is touched, with input feel difference and the low problem of input efficiency, is difficult to meet the demand of people in some fields.
The content of the invention
For the defect that prior art is present, the present invention provides a kind of handwriting equipment that passes through and is input into hand-written letter to display device
The method of breath, can effectively solve the above problems.
The technical solution adopted by the present invention is as follows：
The present invention provide it is a kind of by handwriting equipment to the method for display device entering handwritten information, comprise the following steps：
Step 1, display device includes display screen and display control unit；Handwriting equipment includes handwriting pad and hand-written control
Unit processed；Display control unit is set up with hand-written control unit and is communicated to connect；After setting up communication connection, display control unit is by the
1 preset rules obtain the shapes and sizes in the hand-written area of the connected handwriting pad；
Step 2, the display control unit generates handwriting input display box by the 2nd preset rules；User's operation display control
Unit processed drives display screen, display screen is shown at least one input frame activation mark；
Step 3, the display control unit judges whether current be real-time Transmission pattern, if real-time Transmission pattern,
Then perform step 4- steps 8；Then it is offline transmission mode if not real-time Transmission pattern, performs step 9；
Step 4, when certain described input frame activation mark is activated, the display control unit is by a certain percentage to institute
State after handwriting input display box is zoomed in and out and be shown to the display screen；Meanwhile, the display control unit presses the 3rd preset rules
Obtain input-buffer frame；
Whether the display control unit real-time judge there is end of input event, if do not occurred, perform step 5-
Step 7；Once generation end of input event, then stop performing step 5- steps 7, execution step 9 is jumped to；
Step 5, when the handwriting pad detects the touch for coming from writing pencil, touch point A, institute is designated as by touch point
State handwriting pad and obtain coordinates of the touch point A under handwriting pad coordinate system, and the seat by touch point A under handwriting pad coordinate system in real time
Mark is sent to the display control unit by the hand-written control unit；
Step 6, the display control unit when coordinates of the touch point A under handwriting pad coordinate system is received, immediately together
The steps of below Shi Zhihang two：
(1) display control unit obtains the mapping relations between handwriting input display box coordinate and handwriting pad coordinate,
It is touch point A in handwriting input display box by coordinate transformations of the touch point A under handwriting pad coordinate system based on the mapping relations
Coordinate under coordinate system, then, based on coordinates of the touch point A under handwriting input display box coordinate system, in the handwriting input
Display box navigates to correspondence position, and draws out a person's handwriting point in correspondence position；
(2) display control unit obtains the mapping relations between handwriting input caching frame coordinate and handwriting pad coordinate,
It is that touch point A caches frame in handwriting input by coordinate transformations of the touch point A under handwriting pad coordinate system based on the mapping relations
Coordinate under coordinate system, then, based on coordinates of the touch point A under handwriting input display box coordinate system, in the handwriting input
Caching frame navigates to correspondence position, and draws out a person's handwriting point in correspondence position；
Step 7, circulation performs step 5- steps 6, and handwriting input display box finally shows preview handwriting image, preview pen
Mark image is the handwriting image of handwriting pad handwriting image scaled down；Handwriting input caching frame is stored with handwriting pad person's handwriting figure
As the handwriting image obtained by the 3rd preset rules scaling；
Step 8, under offline transmission mode, when there is no end of input event, user is by writing pencil in handwriting pad
Hand-written operation is carried out, handwriting is formed；Once generation end of input event, the hand-written control unit generation handwriting pad person's handwriting
Picture；The handwriting pad person's handwriting picture includes handwriting, also, the handwriting pad person's handwriting picture shapes and sizes and institute
The shapes and sizes for stating the hand-written area of handwriting pad are identical；Then, the hand-written control unit is by the handwriting pad person's handwriting figure
Piece is sent to the display control unit；Then, step 9 is performed；
Step 9, if real-time Transmission pattern, hand of the display control unit to handwriting input caching frame storage
Writing handwriting image carries out picture trimming operation, obtains including the minimum person's handwriting picture of handwriting, then performs step 10；Such as
Fruit is offline transmission mode, and the display control unit carries out picture trimming operation, wrapped to the handwriting pad person's handwriting picture
Minimum person's handwriting picture containing handwriting, then performs step 10；
Step 10, after the display control unit is processed the minimum person's handwriting picture by preset rules, will be processed
Person's handwriting picture afterwards is shown to the specific region of display screen.
Preferably, in step 1, display control unit is set up with hand-written control unit and is communicated to connect, specially：Display control
Unit is set up with hand-written control unit by bluetooth, WIFI or USB and communicated to connect.
Preferably, in step 1, display control unit is obtained the hand of the connected handwriting pad by the 1st preset rules
The shapes and sizes in area are write, specially：
Display control unit is pre-stored following handwriting equipment parameter information：Multigroup handwriting equipment model and corresponding hand-written
The shapes and sizes in area；After the display control unit and hand-written control unit are set up to be communicated to connect, display control unit is led to
The communication connection is crossed, the handwriting equipment model is read；Then, search the handwriting equipment parameter information, obtain with it is described
The shapes and sizes in the hand-written area of the handwriting pad of display control unit connection；
Or
After communication connection is set up with the hand-written control unit, the display control unit is to described for display control unit
Hand-written control unit sends the request message for obtaining hand-written area's shapes and sizes；The hand-written control unit is receiving the request
After message, hand-written area's shapes and sizes are sent to the display control unit.
Preferably, in step 2, the display control unit generates handwriting input display box by the 2nd preset rules, specifically
For：
The display control unit reads the shapes and sizes of display screen viewing area, then, generates and the display
Screen shows the handwriting input display box that region shape is identical, girth is less than or equal to the display screen viewing area.
Preferably, in step 4, when certain described input frame activation mark is activated, the display control unit presses one
Certainty ratio is shown to the display screen after being zoomed in and out to the handwriting input display box, specially：
The display control unit is zoomed in and out according to the shapes and sizes in hand-written area to the display control unit, is made
The new display control unit obtained after scaling meets following condition：The shape phase in new display control unit and the hand-written area
Together, also, new display control unit girth of the girth less than hand-written area, also, new display control unit is in display
The viewing area of plate.
Preferably, in step 4, the display control unit obtains input-buffer frame by the 3rd preset rules, specially：
The display control unit is met the input-buffer frame of following condition according to the shapes and sizes in hand-written area：Institute
The shape for stating input-buffer frame is identical with the shape in the hand-written area, also, the input-buffer frame girth greater than, equal to or
Less than the girth in the hand-written area.
Preferably, in step 4, the end of input event includes：
(1) when the handwriting pad is configured with submission entity key button, the event that the submission entity key button is triggered
As described end of input event；
(2) when the application program that the display control unit detects the display device currently operation occurs following event
For the moment, that is, think the end of input event：
The application program of display device currently operation is rejected；
The current page of the application program that display device currently runs is rejected；
Another input frame activation mark of display device is activated.
Preferably, in step 10, the display control unit is processed the minimum person's handwriting picture by preset rules,
Specially：
The display control unit zooms in and out treatment to the minimum person's handwriting picture, obtains being adapted to what display screen showed
Person's handwriting picture.
Preferably, during step 4 arrives step 9, also include：
The display control unit has automatic cleaning module and manual cleaning module；
Under automatic cleaning module, whether the display control unit real-time judge there is end of input event, as long as hair
The life end of input event, the display control unit sends handwriting pad erasing of information and refers to the hand-written control unit immediately
Order；When the hand-written control unit receives the instruction, handwriting pad person's handwriting is removed immediately；
Under manual cleaning module, when the hand-written control unit receives manual clearance order, the hand-written control
Unit removes handwriting pad person's handwriting immediately；Or, when the display control unit receives manual clearance order, the display control
Unit processed sends handwriting pad erasing of information and instructs to the hand-written control unit immediately；When the hand-written control unit receives this
During instruction, handwriting pad person's handwriting is removed immediately.
What the present invention was provided has advantages below by handwriting equipment to the method for display device entering handwritten information：
(1) with multiple-working mode, for example, real-time Transmission pattern, offline transmission mode, manual cleaning module and automatic
Cleaning module, so as to meet work requirements of the user under different operating scene,
(2) by display device exterior external writing pad, realizing being input into hand-written letter to display device by handwriting equipment
Breath, on the one hand, can reduce the configuration complexity at display device end, reduces the cost of whole system；On the other hand, also with input
Soft handle and input efficiency advantage high.
Brief description of the drawings
Fig. 1 is illustrated by handwriting equipment for what the present invention was provided to the flow of the method for display device entering handwritten information
Figure.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to
The present invention is explained, is not intended to limit the present invention.
With reference to Fig. 1, the present invention provide it is a kind of by method from handwriting equipment to display device entering handwritten information, including with
Lower step：
Step 1, display device includes display screen and display control unit；Handwriting equipment includes handwriting pad and hand-written control
Unit processed；Display control unit is set up with hand-written control unit and is communicated to connect, for example, display control unit passes through bluetooth, WIFI
Or USB sets up with hand-written control unit and communicates to connect；After setting up communication connection, display control unit is obtained by the 1st preset rules
The shapes and sizes in the hand-written area of the connected handwriting pad；
The present invention relates to display device, be arbitrarily with display screen equipment, for example, can for mobile phone, flat board electricity
The smart machines such as brain.
In practical application, display control unit can obtain the hand of the connected handwriting pad using following two methods
Write the shapes and sizes in area：
Method one：
Display control unit is pre-stored following handwriting equipment parameter information：Multigroup handwriting equipment model and corresponding hand-written
The shapes and sizes in area；After the display control unit and hand-written control unit are set up to be communicated to connect, display control unit is led to
The communication connection is crossed, the handwriting equipment model is read；Then, search the handwriting equipment parameter information, obtain with it is described
The shapes and sizes in the hand-written area of the handwriting pad of display control unit connection；
Method two：
After communication connection is set up with the hand-written control unit, the display control unit is to described for display control unit
Hand-written control unit sends the request message for obtaining hand-written area's shapes and sizes；The hand-written control unit is receiving the request
After message, hand-written area's shapes and sizes are sent to the display control unit.
Step 2, the display control unit generates handwriting input display box by the 2nd preset rules；User's operation display control
Unit processed drives display screen, display screen is shown at least one input frame activation mark；
The handwriting input display box that this step is generated, actual is the handwriting input display box being initially generated.
In practical application, display control unit is by following rule generation handwriting input display box：The display control unit
The shapes and sizes of display screen viewing area are read, then, girth identical with display screen viewing area shape is generated small
In the handwriting input display box equal to the display screen viewing area, that is to say, that display control unit generation display screen shows
A handwriting input display box after the scaled down of region, specifically reduces ratio, according to the actual requirements flexibly setting, the present invention
This is not intended to limit.
Step 3, the display control unit judges whether current be real-time Transmission pattern, if real-time Transmission pattern,
Then perform step 4- steps 8；Then it is offline transmission mode if not real-time Transmission pattern, performs step 9；
For convenience of understanding to subsequent step, herein to the present invention relates to real-time Transmission pattern and offline transmission mode
Simply introduced：
Under real-time Transmission pattern and offline transmission mode, it is required to whether real-time detection occurs end of input event, is input into
End Event refers to：When generation end of input event is detected, that is, think the input knot to current handwriting input display box
Beam, for example, the handwriting input display box of paper of being answered for a student, when there is end of input event, you can think to learn
It is raw that current question answer is finished.Specific end of input event can set according to the actual requirements, 4 the step of below in enumerate
There are several end of input events.
In the present invention, the main distinction of real-time Transmission pattern and offline transmission mode is：It is hand-written under real-time Transmission pattern
Plate to display board transmit be user by writing pencil in real time handwriting pad institute written handwriting person's handwriting coordinate, also, in real time pass
Under defeated pattern, display board end is configured with handwriting input display box and input-buffer frame simultaneously, and handwriting input display box and input are slow
The shape for depositing frame is identical with hand-written area's shape, but, handwriting input display box is the display box after hand-written area's scaled down,
Shown after the new person's handwriting point scaled down that hand-written area can be produced in real time, be a kind of preview pane；And input-buffer frame is display
One input-buffer frame of plate running background, can be the caching frame after hand-written area's scaled down, or hand-written area etc.
Caching frame after scaling, it is also possible to which the size with hand-written area is identical.Used as a kind of preferred embodiment, input-buffer frame is hand-written
Caching frame after area's equal proportion amplification, when the caching frame after using input-buffer frame to amplify for hand-written area's equal proportion, its principle
For：Hand-written area is produced new person's handwriting point equal proportion in real time is shown to input-buffer frame after amplifying, once there is end of input thing
After part, after the handwriting image that input-buffer frame is stored is carried out into picture cutting, then zoom to what suitable display screen showed
Person's handwriting picture, and finally show.Using this kind of mode, the precision of the final person's handwriting picture that display screen shows can be improved, improved
The effect of the final person's handwriting picture that display screen shows.
And under offline transmission mode, when user is write by handwriting pad, in writing process, display board one end does not show
Written handwriting, only when there is end of input event, hand-written control unit generates handwriting pad person's handwriting picture, and by handwriting pad pen
Mark picture is sent to display control unit, after display control unit carries out picture cutting to handwriting pad person's handwriting picture, then zooms to
It is adapted to the person's handwriting picture that display screen shows, and finally shows.
Strengths and weaknesses analysis to real-time Transmission pattern and offline transmission mode are as follows：
Offline transmission mode transmission is picture, only the transmission primaries when there is end of input event, if user writing
Time is more long, the more power saving of offline transmission mode, while offline transmission can also be carried out in the case where display board is closed.And it is real
When transmission mode transmission be person's handwriting coordinate, transmit data to display board always in whole writing process, display board must locate
In open state.
On the other hand, by the picture transmitted under offline transmission mode is by the solid-color image of handwriting pad generation, operation
It is dumb.And under real-time Transmission pattern, due to being transmission of coordinate, and drawn on the display panel, so relatively flexibly, such as may be used
To change the color of coordinate drafting, so as to draw the image of colour.In addition, it is necessary to transmission figure picture, takes under offline transmission mode
It is more long.And under real-time Transmission pattern, it is only necessary to the image drawn is preserved, is taken shorter, it is possible to reduce the time exited, lifting is used
Experience at family.
Step 4, when certain described input frame activation mark is activated, the display control unit is by a certain percentage to institute
State after handwriting input display box is zoomed in and out and be shown to the display screen；Meanwhile, the display control unit presses the 3rd preset rules
Obtain input-buffer frame；
In this step, display control unit is shown to institute after being zoomed in and out to the handwriting input display box by a certain percentage
Display screen is stated, specially：
The display control unit is zoomed in and out according to the shapes and sizes in hand-written area to the display control unit, is made
The new display control unit obtained after scaling meets following condition：The shape phase in new display control unit and the hand-written area
Together, also, new display control unit girth of the girth less than hand-written area, also, new display control unit is in display
The viewing area of plate.
In this step, display control unit obtains input-buffer frame by the 3rd preset rules, specially：
The display control unit is met the input-buffer frame of following condition according to the shapes and sizes in hand-written area：Institute
The shape for stating input-buffer frame is identical with the shape in the hand-written area, also, the input-buffer frame girth greater than, equal to or
Less than the girth in the hand-written area.
Whether the display control unit real-time judge there is end of input event, if do not occurred, perform step 5-
Step 7；Once generation end of input event, then stop performing step 5- steps 7, execution step 9 is jumped to；
Herein, end of input event is included but is not limited to：
(1) when the handwriting pad is configured with submission entity key button, the event that the submission entity key button is triggered
As described end of input event；
(2) when the application program that the display control unit detects the display device currently operation occurs following event
For the moment, that is, think the end of input event：
The application program of display device currently operation is rejected；
The current page of the application program that display device currently runs is rejected；
Another input frame activation mark of display device is activated.
Step 5, when the handwriting pad detects the touch for coming from writing pencil, touch point A, institute is designated as by touch point
State handwriting pad and obtain coordinates of the touch point A under handwriting pad coordinate system, and the seat by touch point A under handwriting pad coordinate system in real time
Mark is sent to the display control unit by the hand-written control unit；
Step 6, the display control unit when coordinates of the touch point A under handwriting pad coordinate system is received, immediately together
The steps of below Shi Zhihang two：
(1) display control unit obtains the mapping relations between handwriting input display box coordinate and handwriting pad coordinate,
It is touch point A in handwriting input display box by coordinate transformations of the touch point A under handwriting pad coordinate system based on the mapping relations
Coordinate under coordinate system, then, based on coordinates of the touch point A under handwriting input display box coordinate system, in the handwriting input
Display box navigates to correspondence position, and draws out a person's handwriting point in correspondence position；
(2) display control unit obtains the mapping relations between handwriting input caching frame coordinate and handwriting pad coordinate,
It is that touch point A caches frame in handwriting input by coordinate transformations of the touch point A under handwriting pad coordinate system based on the mapping relations
Coordinate under coordinate system, then, based on coordinates of the touch point A under handwriting input display box coordinate system, in the handwriting input
Caching frame navigates to correspondence position, and draws out a person's handwriting point in correspondence position；
Step 7, circulation performs step 5- steps 6, and handwriting input display box finally shows preview handwriting image, preview pen
Mark image is the handwriting image of handwriting pad handwriting image scaled down；Handwriting input caching frame is stored with handwriting pad person's handwriting figure
As the handwriting image obtained by the 3rd preset rules scaling；
Step 8, under offline transmission mode, when there is no end of input event, user is by writing pencil in handwriting pad
Hand-written operation is carried out, handwriting is formed；Once generation end of input event, the hand-written control unit generation handwriting pad person's handwriting
Picture；The handwriting pad person's handwriting picture includes handwriting, also, the handwriting pad person's handwriting picture shapes and sizes and institute
The shapes and sizes for stating the hand-written area of handwriting pad are identical；Then, the hand-written control unit is by the handwriting pad person's handwriting figure
Piece is sent to the display control unit；Then, step 9 is performed；
Step 9, if real-time Transmission pattern, hand of the display control unit to handwriting input caching frame storage
Writing handwriting image carries out picture trimming operation, obtains including the minimum person's handwriting picture of handwriting, then performs step 10；Such as
Fruit is offline transmission mode, and the display control unit carries out picture trimming operation, wrapped to the handwriting pad person's handwriting picture
Minimum person's handwriting picture containing handwriting, then performs step 10；
Step 10, after the display control unit is processed the minimum person's handwriting picture by preset rules, will be processed
Person's handwriting picture afterwards is shown to the specific region of display screen.
In this step, display control unit is processed the minimum person's handwriting picture by preset rules, specially：
The display control unit zooms in and out treatment to the minimum person's handwriting picture, obtains being adapted to what display screen showed
Person's handwriting picture.
In addition, during step 4 arrives step 9, also including：
The display control unit has automatic cleaning module and manual cleaning module；
Under automatic cleaning module, whether the display control unit real-time judge there is end of input event, as long as hair
The life end of input event, the display control unit sends handwriting pad erasing of information and refers to the hand-written control unit immediately
Order；When the hand-written control unit receives the instruction, handwriting pad person's handwriting is removed immediately；
Under manual cleaning module, when the hand-written control unit receives manual clearance order, the hand-written control
Unit removes handwriting pad person's handwriting immediately；Or, when the display control unit receives manual clearance order, the display control
Unit processed sends handwriting pad erasing of information and instructs to the hand-written control unit immediately；When the hand-written control unit receives this
During instruction, handwriting pad person's handwriting is removed immediately.
Whether the difference of automatic cleaning module and manual cleaning module is essentially consisted in needs user to be clicked on clearly with arbitrary form
Except button is purged.Wherein, clicked on if necessary to user and remove button, then referred to as manual cleaning module.Removing button includes
Entity on handwriting pad removes the removing button shown on button and display board.
Automatically the advantage of cleaning module is：Do not need user to click on and remove button, system on display board directly according to
Whether family operation judges on the display panel need to remove related content, can simplify the operation that user removes handwriting pad content.
As can be seen here, what the present invention was provided has following by handwriting equipment to the method for display device entering handwritten information
Advantage：
(1) with multiple-working mode, for example, real-time Transmission pattern, offline transmission mode, manual cleaning module and automatic
Cleaning module, so as to meet work requirements of the user under different operating scene,
(2) by display device exterior external writing pad, realizing being input into hand-written letter to display device by handwriting equipment
Breath, on the one hand, can reduce the configuration complexity at display device end, reduces the cost of whole system；On the other hand, also with input
Soft handle and input efficiency advantage high.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications are also made, these improvements and modifications should also regard this
The protection domain of invention.
Claims (9)
1. it is a kind of by method from handwriting equipment to display device entering handwritten information, it is characterised in that comprise the following steps：
Step 1, display device includes display screen and display control unit；Handwriting equipment includes handwriting pad and hand-written control list
Unit；Display control unit is set up with hand-written control unit and is communicated to connect；After setting up communication connection, display control unit is pre- by the 1st
If rule obtains the shapes and sizes in the hand-written area of the connected handwriting pad；
Step 2, the display control unit generates handwriting input display box by the 2nd preset rules；User operates display control list
Unit drives display screen, display screen is shown at least one input frame activation mark；
Step 3, the display control unit judges whether current be real-time Transmission pattern, if real-time Transmission pattern, then hold
Row step 4- steps 8；Then it is offline transmission mode if not real-time Transmission pattern, performs step 9；
Step 4, when certain described input frame activation mark is activated, the display control unit is by a certain percentage to the hand
Write after input display box is zoomed in and out and be shown to the display screen；Meanwhile, the display control unit is obtained by the 3rd preset rules
Handwriting input caches frame；
Whether the display control unit real-time judge there is end of input event, if do not occurred, perform step 5- steps
7；Once generation end of input event, then stop performing step 5- steps 7, execution step 9 is jumped to；
Step 5, when the handwriting pad detects the touch for coming from writing pencil, touch point A, the hand is designated as by touch point
Write plate and obtain coordinates of the touch point A under handwriting pad coordinate system, and the coordinate by touch point A under handwriting pad coordinate system leads in real time
Cross the hand-written control unit and be sent to the display control unit；
Step 6, the display control unit is held simultaneously immediately when coordinates of the touch point A under handwriting pad coordinate system is received
Following two steps of row：
(1) display control unit obtains the mapping relations between handwriting input display box coordinate and handwriting pad coordinate, is based on
Mapping relations between the handwriting input display box coordinate and handwriting pad coordinate, by touch point A under handwriting pad coordinate system
Coordinate transformation is coordinates of the touch point A under handwriting input display box coordinate system, then, aobvious in handwriting input based on touch point A
Show the coordinate under frame coordinate system, navigate to correspondence position in the handwriting input display box, and one is drawn out in correspondence position
Person's handwriting point；
(2) display control unit obtains the mapping relations between handwriting input caching frame coordinate and handwriting pad coordinate, is based on
The mapping relations, are that touch point A caches frame coordinate in handwriting input by coordinate transformations of the touch point A under handwriting pad coordinate system
Coordinate under system, then, based on coordinates of the touch point A under handwriting input display box coordinate system, in handwriting input caching
Frame navigates to correspondence position, and draws out a person's handwriting point in correspondence position；
Step 7, circulation performs step 5- steps 6, and handwriting input display box finally shows preview handwriting image, the preview person's handwriting figure
As the handwriting image for handwriting pad handwriting image scaled down；Handwriting input caching frame be stored with by handwriting pad handwriting image by
The handwriting image that 3rd preset rules scaling is obtained；
Step 8, under offline transmission mode, when there is no end of input event, user is carried out by writing pencil in handwriting pad
Hand-written operation, forms handwriting；Once generation end of input event, the hand-written control unit generation handwriting pad person's handwriting figure
Piece；The handwriting pad person's handwriting picture includes handwriting, also, the shapes and sizes of the handwriting pad person's handwriting picture with it is described
The shapes and sizes in the hand-written area of handwriting pad are identical；Then, the hand-written control unit is by the handwriting pad person's handwriting picture
It is sent to the display control unit；Then, step 9 is performed；
Step 9, if real-time Transmission pattern, writing pencil of the display control unit to handwriting input caching frame storage
Mark image carries out picture trimming operation, obtains including the minimum person's handwriting picture of handwriting, then performs step 10；If
Offline transmission mode, the display control unit carries out picture trimming operation, is included to the handwriting pad person's handwriting picture
The minimum person's handwriting picture of handwriting, then performs step 10；
Step 10, after the display control unit is processed the minimum person's handwriting picture by preset rules, after treatment
Person's handwriting picture is shown to the specific region of display screen.
2. it is according to claim 1 by method from handwriting equipment to display device entering handwritten information, it is characterised in that
In step 1, display control unit is set up with hand-written control unit and is communicated to connect, specially：Display control unit by bluetooth,
WIFI or USB sets up with hand-written control unit and communicates to connect.
3. it is according to claim 1 by method from handwriting equipment to display device entering handwritten information, it is characterised in that
In step 1, display control unit is obtained the shape in the hand-written area of the connected handwriting pad and big by the 1st preset rules
It is small, specially：
Display control unit is pre-stored following handwriting equipment parameter information：Multigroup handwriting equipment model and corresponding hand-written area
Shapes and sizes；After the display control unit and hand-written control unit are set up to be communicated to connect, display control unit is by being somebody's turn to do
Communication connection, reads the handwriting equipment model；Then, the handwriting equipment parameter information is searched, is obtained and the display
The shapes and sizes in the hand-written area of the handwriting pad of control unit connection；
Or
After communication connection is set up with the hand-written control unit, the display control unit is to described hand-written for display control unit
Control unit sends the request message for obtaining hand-written area's shapes and sizes；The hand-written control unit is receiving the request message
Afterwards, hand-written area's shapes and sizes are sent to the display control unit.
4. it is according to claim 1 by method from handwriting equipment to display device entering handwritten information, it is characterised in that
In step 2, the display control unit generates handwriting input display box by the 2nd preset rules, specially：
The display control unit reads the shapes and sizes of display screen viewing area, then, generates and the display screen display
Show the handwriting input display box that region shape is identical, girth is less than or equal to the display screen viewing area.
5. it is according to claim 1 by method from handwriting equipment to display device entering handwritten information, it is characterised in that
In step 4, when certain described input frame activation mark is activated, the display control unit is by a certain percentage to described hand-written
Input display box is shown to the display screen after zooming in and out, specially：
The display control unit is zoomed in and out according to the shapes and sizes in hand-written area to the display control unit, makes scaling
The new display control unit for obtaining afterwards meets following condition：New display control unit is identical with the shape in the hand-written area,
Also, the girth of new display control unit is less than the girth in hand-written area, also, new display control unit is in display board
Viewing area.
6. it is according to claim 1 by method from handwriting equipment to display device entering handwritten information, it is characterised in that
In step 4, the display control unit obtains input-buffer frame by the 3rd preset rules, specially：
The display control unit is met the input-buffer frame of following condition according to the shapes and sizes in hand-written area：It is described defeated
The shape for entering to cache frame is identical with the shape in the hand-written area, also, the input-buffer frame girth greater than, equal to or be less than
The girth in the hand-written area.
7. it is according to claim 1 by method from handwriting equipment to display device entering handwritten information, it is characterised in that
In step 4, the end of input event includes：
(1) when the handwriting pad is configured with submission entity key button, the event that the submission entity key button is triggered is
The end of input event；
(2) when the application program that the display control unit detects the display device currently operation occurs one of following event
When, that is, think the end of input event：
The application program of display device currently operation is rejected；
The current page of the application program that display device currently runs is rejected；
Another input frame activation mark of display device is activated.
8. it is according to claim 1 by method from handwriting equipment to display device entering handwritten information, it is characterised in that
In step 10, the display control unit is processed the minimum person's handwriting picture by preset rules, specially：
The display control unit zooms in and out treatment to the minimum person's handwriting picture, obtains being adapted to the person's handwriting that display screen shows
Picture.
9. it is according to claim 1 by method from handwriting equipment to display device entering handwritten information, it is characterised in that
During step 4 arrives step 9, also include：
The display control unit has automatic cleaning module and manual cleaning module；
Under automatic cleaning module, whether the display control unit real-time judge there is end of input event, as long as there is institute
End of input event is stated, the display control unit sends handwriting pad erasing of information and instructs to the hand-written control unit immediately；
When the hand-written control unit receives the instruction, handwriting pad person's handwriting is removed immediately；
Under manual cleaning module, when the hand-written control unit receives manual clearance order, the hand-written control unit
Handwriting pad person's handwriting is removed immediately；Or, when the display control unit receives manual clearance order, the display control list
Unit sends handwriting pad erasing of information and instructs to the hand-written control unit immediately；When the hand-written control unit receives the instruction
When, handwriting pad person's handwriting is removed immediately.
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| CN201610135821.5A CN105807999B (en) | 2016-03-10 | 2016-03-10 | Method for inputting handwritten information to display device through handwriting device |
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| CN107516334B (en) * | 2017-08-21 | 2020-05-22 | 广州视源电子科技股份有限公司 | Display method, device and equipment of handwriting track and storage medium |
| CN107577929B (en) * | 2017-08-22 | 2019-12-31 | 广东小天才科技有限公司 | Different system access control method based on biological characteristics and electronic equipment |
| CN107656715B (en) * | 2017-09-30 | 2021-06-01 | 海南云江科技有限公司 | Data transmission method, network server and system for online classroom |
| CN108512978A (en) * | 2018-03-22 | 2018-09-07 | 吴志滨 | A kind of mobile phone shell with handwriting screen |
| CN109032390B (en) * | 2018-08-01 | 2021-04-13 | 广州视源电子科技股份有限公司 | Handwriting data caching method, device, equipment and storage medium |
| CN111562878A (en) * | 2020-05-06 | 2020-08-21 | 深圳创维－Rgb电子有限公司 | Picture display method and device, television and storage medium |
| CN115291790A (en) * | 2022-08-05 | 2022-11-04 | 深圳市爱码讯实业发展有限公司 | Multi-end interactive handwriting board display method and system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064615A (en) * | 2012-12-17 | 2013-04-24 | 上海海知信息技术有限公司 | Handwriting map cache achieving method |
| CN103729074A (en) * | 2013-12-26 | 2014-04-16 | 三星电子（中国）研发中心 | Device, system and method for recognizing handwritings |
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| US9354725B2 (en) * | 2012-06-01 | 2016-05-31 | New York University | Tracking movement of a writing instrument on a general surface |
-
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064615A (en) * | 2012-12-17 | 2013-04-24 | 上海海知信息技术有限公司 | Handwriting map cache achieving method |
| CN103729074A (en) * | 2013-12-26 | 2014-04-16 | 三星电子（中国）研发中心 | Device, system and method for recognizing handwritings |
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