CN109032494A - Intelligent interactive system, handwriting trace display methods, device, plate and medium - Google Patents
Intelligent interactive system, handwriting trace display methods, device, plate and medium Download PDFInfo
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- CN109032494A CN109032494A CN201810928929.9A CN201810928929A CN109032494A CN 109032494 A CN109032494 A CN 109032494A CN 201810928929 A CN201810928929 A CN 201810928929A CN 109032494 A CN109032494 A CN 109032494A
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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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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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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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
- Controls And Circuits For Display Device (AREA)
- Facsimiles In General (AREA)
Abstract
The embodiment of the invention discloses a kind of intelligent interactive system, handwriting trace display methods, device, plate and media.The system comprises system master chips and screen driving plate, the screen driving plate is provided with drive screen signaling interface and touching signals interface, wherein: the drive screen signaling interface is used to receive screen interface image signal from the system master chip, and the touching signals interface is used to receive handwriting trace signal from touch control device；The screen driving plate is synthesized for the screen interface picture signal to be carried out image with the handwriting trace signal, for showing.According to the technical solution of the present invention, it can shorten and write delay time, improve the synchronism for writing operation with display.
Description
Technical field
The present invention relates to touch control device image processing techniques more particularly to a kind of intelligent interactive system, handwriting trace to show
Method, apparatus, plate and medium.
Background technique
As the application software for write operation using touch function on intelligent interaction plate is more and more, to writing rail
More stringent requirements are proposed for mark display performance.
In the intelligent interactive system of the prior art, system master chip and screen driving plate, system master chip are generally comprised
For controlling the basic functions such as operating system, at the picture signal that screen driving plate is used to be exported according to system master chip
Reason forms screen display signals, to control the display picture of display screen.System master chip generally can by image input interface, such as
HDMI (High Definition Multimedia Interface, high-definition multimedia interface), with external system module
Or built-in system module is connected, and receives the screen interface image of system module transmission, then by image output interface (HDMI), it will
The screen interface image of system module transmission or the screen interface image of local system are exported to screen driving plate, aobvious to control
The display picture of display screen.Meanwhile in order to enrich input medium, in existing intelligent interactive system, system master chip is also allowed to connect
The input equipments such as handwriting pad, touch tablet are connect, the signal of user's touch input is received.It is installed in system module or system master chip
When carrying out writing operation in whiteboarding software, some handwriting traces need to be added on screen interface image, and display screen is allowed to show together
Show.
In the implementation of the present invention, at least there are the following problems in the prior art for inventor's discovery.Above-mentioned intelligence is handed over
Mutual system when handling handwriting trace display, HDMI when transmitting image delay time usually in 30ms or more, and screen
After interface image and handwriting trace image synthesize in system master chip, also need to send out by the HDMI output interface of system master chip
It handles and shows to screen driving plate, so the display for handwriting trace image occur really is write relative to user and postponed
The phenomenon that.
Summary of the invention
The embodiment of the present invention provides a kind of intelligent interactive system, handwriting trace display methods, device, plate and medium, with
It realizes to shorten and writes delay time, improve the synchronism for writing operation with display.
In a first aspect, the embodiment of the invention provides a kind of intelligent interactive system, including system master chip and screen driving
Plate, the screen driving plate are provided with drive screen signaling interface and touching signals interface, in which:
The drive screen signaling interface is used to receive screen interface image signal, the touching signals from the system master chip
Interface is used to receive handwriting trace signal from touch control device；
The screen driving plate, for the screen interface picture signal and the handwriting trace signal to be carried out image conjunction
At for showing.
Second aspect, the embodiment of the invention also provides a kind of handwriting trace display methods, this method comprises:
The screen driving plate of intelligent interactive system, by driving screen signaling interface from the system master chip of intelligent interactive system
Receive screen interface image signal；
The screen driving plate receives handwriting trace signal from touch control device by touching signals interface；
The screen interface picture signal is carried out image with the handwriting trace signal and synthesized by the screen driving plate, with
For showing.
The third aspect, the embodiment of the invention also provides a kind of handwriting trace display device, which includes:
Image receiving unit, for controlling the screen driving plate of intelligent interactive system, by driving screen signaling interface from intelligence
Screen interface image signal is received in the system master chip of interactive system；
Track receiving unit receives writing from touch control device by touching signals interface for controlling the screen driving plate
Trajectory signal；
Image composing unit, for controlling the screen driving plate for the screen interface picture signal and the writing rail
Mark signal carries out image synthesis, for showing.
Fourth aspect, the embodiment of the invention also provides a kind of intelligent interaction plate, which includes:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processing
Device realizes the handwriting trace display methods as described in any in the embodiment of the present invention.
5th aspect, the embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer
Program realizes the handwriting trace display methods as described in any in the embodiment of the present invention when program is executed by processor.
The embodiment of the present invention drives screen signaling interface and touch-control by being arranged in the screen driving plate in intelligent interactive system
Signaling interface will shield the received screen interface picture signal of signaling interface from driving using screen driving plate, and from touching signals
The handwriting trace signal of interface carries out image synthesis, to be used to show, due to carry out script in system master chip
Image synthesizing procedure is transferred in screen driving plate and carries out, so that the process shown to the image after synthesis is no longer influenced by
The influence of HDMI output interface delay, after the completion of solving in the prior art due to image synthesizing procedure in system master chip also
Screen driving plate need to be sent to by HDMI output interface to be handled can just show, caused by handwriting trace image
Display really writes the problem of being postponed relative to user, realizes shortening writing delay time, improves and writes operation and show
The effect for the synchronism shown.
Detailed description of the invention
Fig. 1 a is a kind of structural schematic diagram for intelligent interactive system that the embodiment of the present invention one provides；
Fig. 1 b is the structural schematic diagram of intelligent interactive system in the prior art；
Fig. 2 is a kind of structural schematic diagram of intelligent interactive system provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of flow diagram for handwriting trace display methods that the embodiment of the present invention three provides；
Fig. 4 is a kind of structural schematic diagram for handwriting trace display device that the embodiment of the present invention four provides；
Fig. 5 is a kind of structural schematic diagram for intelligent interaction plate that the embodiment of the present invention five provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 a is a kind of structural schematic diagram for intelligent interactive system that the embodiment of the present invention one provides.As shown in Figure 1a, should
Intelligent interactive system includes: system master chip 1 and screen driving plate 2, and each section is specifically described below.
As shown in Figure 1a, screen driving plate 2 is provided with drive screen signaling interface 21 and touching signals interface 22, in which: drives screen
Signaling interface 21 is used to receive screen interface image signal from system master chip 1, and touching signals interface 22 is used for from touch control device 3
Receive handwriting trace signal；Screen driving plate 2, for screen interface picture signal and handwriting trace signal to be carried out image conjunction
At for showing.
System master chip 1 can be the master chip of this intelligent interactive system in the present embodiment, such as can be intelligent interaction
The data processing chip of plate can be used for obtaining the screen interface picture signal in itself or other systems module, and be sent to
Screen driving plate 2.Screen driving plate 2 can be TCON, and (Timer Control Register, timer/counter control are posted
Storage) master chip, the effect of TCON plate is that the screen interface picture signal that system master chip 1 is sent (is believed comprising RGB data
Number, clock signal, control signal three classes signal) handled after, be converted into that the LVDS (Low- of liquid crystal display can be driven
Voltage Differential Signaling, low-voltage differential signal), then the signal is routed directly to liquid crystal display
LVDS receives chip.In the present embodiment, screen driving plate 2 first carries out image synthesis before carrying out signal conversion, such as will screen
Curtain interface image signal and handwriting trace signal synthesize a frame image, then carry out signal conversion to the image.
Illustratively, when user is in 3 enterprising running hand write operation of touch control device, touch control device 3 is by the handwriting trace of acquisition
It is sent to screen driving plate 2 by the touching signals interface 22 of screen driving plate 2, at the same time, system master chip 1 can pass through screen
The screen interface image that will be shown on a display screen is sent to screen driving plate 2 by the drive screen signaling interface 21 of curtain driving plate 2,
After screen driving plate 2 carries out image synthesis to screen interface image and handwriting trace, composograph is converted into display screen branch
The signal format held is shown so that synthesized image signal is sent to display screen after conversion.
Optionally, screen driving plate 2 is specifically used for: when receiving image synthesis instruction, touching signals interface 22 is enabled,
And handwriting trace signal is received from touch control device 3 by touching signals interface 22.
Screen driving plate 2 receives handwriting trace signal when receiving image synthesis instruction again, while opening image synthesis
Mode is advantageous in that, can be prevented user from carrying out caused handwriting trace when other are operated using touch control device 3 and accidentally be shown.
In the present embodiment, optionally, intelligent interactive system further include: touch control device 3, touch control device 3 pass through touching signals
Interface 22 is connected with screen driving plate 2, is sent to screen driving plate for acquiring handwriting trace signal, and by handwriting trace signal
2.Wherein, touch control device 3 can be the touch control device carried in intelligent interactive system, such as the touch screen in touch display screen,
It is also possible to the external touch control device of intelligent interactive system, such as handwriting pad, smart electronics pen etc., by the touching for detecting user
It the operation such as touches, write, operating process is collected and recorded with data mode, such as according to predeterminated frequency acquisition touch point
Coordinate data generates handwriting trace signal according to coordinate data collected in preset time period, and passes through touching signals interface
22 are transferred to screen driving plate 2, wherein preset time period, which for example can be, starts to detect that the time of touch point is primary to the end
It detects the time of touch point, namely starts to write the time to lift pen time.
Optionally, the software that image synthesis is designated as the target application software transmitted from system master chip 1 starts information；Or
Described image synthesizes the communication interface 23 for being designated as screen driving plate 2, and target is answered from the received system module of micro-control unit 6
Start information with the software of software.
Wherein, target application software can be with writing function software, such as whiteboarding software, painting software etc..
A kind of optional embodiment of the present embodiment is that target application software installation then works as target in system master chip
When application software initiated, software starting information is produced as image and synthesizes instruction, is transmitted directly to screen driving plate.For example,
As shown in Figure 1a, when the whiteboarding software starting being mounted in system master chip 1, the software startability information of generation is sent to
Micro-control unit 6, then screen driving plate 2 is sent to by the communication interface 23 of screen driving plate 2 by micro-control unit 6.
Another optional embodiment of the present embodiment is that target application software installation is on system module 41, wherein can
Choosing, intelligent interactive system further includes inscribed or external other systems module 41, and system master chip 1 passes through image transmitting interface
11 are connected with system module 41, specifically for receiving the screen interface image of the target application software run on system module 41.
Wherein, image transmitting interface 11 for example can be HDMI interface.As shown in Figure 1a, system master chip 1 passes through image transmitting interface
11 are connected with two systems module 4 respectively, wherein and the type of the operating system run in two systems module 4 can be inconsistent,
Such as the system run on a system module can be windows system, the system run on another system module can be with
It is android system etc..Two systems module 41 is connected to micro-control unit 6, micro-control unit 6 by system switch switches 5
The on-off that switch 5 can be switched by control system carries out the switching of operating system, for example, one system module of connection is i.e. changeable
For windows system；Or it connects another system module and can be switched to android system；Or the company of cutting and the two
It connects, that is, can be switched to the system of intelligent interaction plate itself.Optionally, in system master chip 1 and two systems module 41 at least
Have and target application software (such as whiteboarding software) is installed in a module or chip.In this optional embodiment, it is mounted on
When whiteboarding software in system module 41 starts, the software of generation can be started information and be sent out by the system switch switches 5 of conducting
It send to micro-control unit 6, then screen driving plate 2 is sent to by the communication interface 23 of screen driving plate 2 by micro-control unit 6.
It is as shown in Figure 1 b in the prior art, since system module 4d is the image transmitting by system master chip 1d
Interface 11d connection, and system master chip 1d is by screen circle of system master chip or system module where target application software
Face image, after being synthesized with the handwriting trace progress image of touch control device 3d acquisition, by driving screen signaling interface 21d for composograph
It is sent to screen driving plate 2d, to show after carrying out image procossing.And image transmitting interface 11d and drive screen signaling interface 21d are equal
For HDMI interface, image transmitting delay time is long, this results in the time of touch control device 3d acquisition handwriting trace and handwriting trace
Final display time interval is influenced by image transmitting interface 11d with the image transmitting delay for driving screen signaling interface 21d, is made
The display for obtaining handwriting trace image reaches 30ms or more relative to the delay that user really writes, and delay time is longer.
Compared to the prior art, intelligent interactive system as shown in Figure 1a is used in the present embodiment, due to synthesizing image
Process is transferred in screen driving plate 2 by system main screen 1 and is carried out, so that the image after synthesis no longer needs to connect by driving screen signal
Mouth 21 is transmitted, but is sent directly to display screen by screen driving plate 2 and is shown.Therefore, writing is substantially shorter to prolong
The slow time improves the synchronism for writing operation with display.
Below by a specific example, the working principle of intelligent interactive system as shown in Figure 1a is retouched in detail
It states.When system module 4 (such as Android module or pc module) or system master chip 1 detect that the target installed in own system is answered
When being started with software (such as whiteboarding software), generates software and start information, and the system switch switches 5 by being connected open software
Dynamic information is sent to micro-control unit 6；Software starting information is transmitted to screen by communication interface 23 and driven by micro-control unit 6
Movable plate 2；Screen driving plate 2 opens and enters image synthesis model after receiving software starting information, and closes in the image
At under mode, signaling interface 21 will be shielded from the received screen interface image of system master chip 1 by driving, and pass through touching signals
Interface 22 synthesizes a frame image and is shown from touch control device 3 (such as handwriting pad) the received handwriting trace being attached thereto.
Wherein, screen interface image is the screen interface image for needing to show in display screen, for example, if target application software installation exists
In the system of system module 4, then system module 4 need to screen interface image to be shown be sent to system master chip 1, then by being
System master chip 1 is sent to screen driving plate 2 by driving screen signaling interface 21；If target application software installation is in system master chip 1
System in, then system master chip 1 by drive screen signaling interface 21 screen interface image is directly sent to screen driving plate 2.
The technical solution of the present embodiment drives screen signaling interface by being arranged in the screen driving plate in intelligent interactive system
The received screen interface picture signal of signaling interface will be shielded from driving using screen driving plate with touching signals interface, and from touching
The received handwriting trace signal of signaling interface is controlled, image synthesis is carried out, with for showing, due to will be originally in system master chip
The image synthesizing procedure of progress is transferred in screen driving plate and carries out, so that the process shown to the image after synthesis is no longer
It is influenced by HDMI output interface delay, solves and completed in system master chip due to image synthesizing procedure in the prior art
Also needing to be sent to screen driving plate by HDMI output interface afterwards to be handled can just show, caused by handwriting trace figure
The display of picture really writes the problem of being postponed relative to user, realizes shortening and writes delay time, improves and write operation
With the effect of the synchronism of display.
On the basis of the above embodiments, as shown in Figure 1a, screen driving plate 2 is additionally provided with instruction transmission interface 24, uses
It is connected in System on Chip/SoC 2, screen driving plate 2, can be based on a frame of current cache during lasting reception handwriting trace signal
Composograph carries out image synthesis to the handwriting trace signal received, and screen driving plate 2 only will receive handwriting trace signal i.e.
Can, at this point, screen driving plate 2 produces pause instruction, by instructing transmission interface 24 to be sent to system master chip 1, so as to be
The pause of master chip 1 of uniting sends new screen interface picture signal.After user " lift pen ", then restart to receive new screen circle
Face picture signal.The advantages of this arrangement are as follows within " one ", it the new screen interface image to be received such as may not need,
Image synthesis can be completed, write delay time to further shorten, improve the synchronism for writing operation with display.
Embodiment two
Fig. 2 is a kind of structural schematic diagram of intelligent interactive system provided by Embodiment 2 of the present invention.The present embodiment is with above-mentioned
Based on embodiment, optional intelligent interactive system, specifically, intelligent interactive system are provided further include: touch-control switching switch
7。
Wherein, for the input terminal of touch-control switching switch 7 for being connected with touch control device 3, touch-control switches the first output of switch 7
End is connected with system master chip 1, and the second output terminal of touch-control switching switch 7 is connected with touching signals interface 22, and touch-control switching is opened
7 are closed, for switching between the first output end and second output terminal according to image synthesis instruction.
In the present embodiment, touch control device 3 can be touch control device included in intelligent interactive system, such as touch display screen
In touch screen.Optionally, the first output end that touch-control switches switch 7 can be set to default conduction terminal, i.e., ought do not received
When touch-control switching command, default touch control device 3 is connected with system master chip 1；When receiving touch-control switching command, touch control device
3 are switched to and are connected with screen driving plate 2.Wherein, the control terminal of touch-control switching switch 7 is connected with micro-control unit 6.It is exemplary
, when the software that micro-control unit 6 receives target application software starts information, touch-control switching command is produced, and send
Switch switch 7 to touch-control, is connected with controlling touch-control switching switch 7 for touch control device 3 with system master chip 1, is switched to touch-control and sets
Standby 3 are connected with screen driving plate 2.
Setting touch-control, which switches switch 7, to be advantageous in that, can be multiplexed to touch control device 3, to directly be handed over using intelligence
The touch control device carried in mutual plate completes the acquisition of handwriting trace signal, realizes in default connection system master chip 1, in turn
While not influencing other normal operatings of touch control device 3, moreover it is possible to be switched to connection screen in time in the starting of target application software
Driving plate 2, and then the handwriting trace signal of acquisition is transmitted directly to screen driving plate 4 in time, with screen interface image into
Row image synthesis processing achievees the effect that reduce and writes delay.
Below by a specific example, the working principle of intelligent interactive system as shown in Figure 2 is described in detail.
When system module 4 (such as Android module or pc module) or system master chip 1 detect the target application installed in own system
When software (such as whiteboarding software) starts, generates software and start information, and the system switch switches 5 by being connected start software
Information is sent to micro-control unit 6；Software starting information is transmitted to screen driving by communication interface 23 by micro-control unit 6
Plate 2, and generate corresponding touch-control switching command and be sent to touch-control switching switch 7, so that the on state of touch-control switching switch 7
It is connected by the input terminal defaulted with the first output end, namely the touch control device 3 of default is connected with system master chip 1, is switched to defeated
Enter end to be connected with second output terminal, namely is switched to touch control device 3 and is connected with screen driving plate 2；Screen driving plate 2 is receiving
The software is opened after starting information and enters image synthesis model, and under the image synthesis model, will be connect by driving screen signal
Mouth 21 is set from the received screen interface image of system master chip 1, and by touching signals interface 22 from the touch-control being attached thereto
Standby 3 received handwriting traces, synthesize a frame image and are shown.
The technical solution of the embodiment of the present invention switches switch by setting touch-control, so that touch control device is able to carry out multiplexing,
Compatible connection type in the prior art, realizes while not influencing other normal operatings of touch control device, moreover it is possible in target
It is switched to when application software initiated and is connected with screen driving plate in time, and then in time directly transmit the handwriting trace signal of acquisition
Screen driving plate is given, synthesizes processing to complete the image between handwriting trace signal and screen interface picture signal, is reducing book
While the write delay time, the compatibility of system is improved.
Embodiment three
Fig. 3 is a kind of flow diagram for handwriting trace display methods that the embodiment of the present invention three provides.This method can fit
The case where for showing to handwriting trace, this method can be executed by handwriting trace display device, which can be by hard
Part and/or software composition, and can generally be integrated in intelligent interaction provided by intelligent interaction plate and any of the above-described embodiment
In system.It specifically includes as follows:
The screen driving plate of S310, intelligent interactive system shield system master of the signaling interface from intelligent interactive system by driving
Screen interface image signal is received in chip.
Wherein, screen interface image can be the picture for needing to be shown on a display screen in intelligent interactive system.It can
Choosing, which, which can be, is used as image signal source by system module (such as Android module or PC module),
Be sent to system master chip, be also possible to system master chip itself as image signal source, specifically by intelligent interactive system when
The preceding operating system used determines.
System master chip can be the master chip of this intelligent interactive system, such as can be at the data of intelligent interaction plate
Chip is managed, can be used for obtaining the screen interface picture signal in itself or other systems module, and be sent to screen driving plate.Screen
Curtain driving plate can be TCON master chip, and the effect of TCON plate is the screen interface picture signal (packet that system master chip 1 is sent
Containing rGB data signal, clock signal, control signal three classes signal) handled after, be converted into that liquid crystal display can be driven
LVDS, then the LVDS that the signal is routed directly to liquid crystal display is received into chip.Driving screen signaling interface can be HDMI interface,
It can be other types interface, be not limited thereto.
Illustratively, the screen interface picture signal that system master chip periodically will acquire is sent to screen driving plate,
Image synthesis is carried out for screen driving plate in subsequent step, and condition is provided.When it is not necessary that when carrying out image synthesis, screen driving plate will
Received screen interface picture signal is sent to display screen after carrying out normal signal conversion, to be shown.
S320, screen driving plate receive handwriting trace signal from touch control device by touching signals interface.
Touch control device can be the touch control device carried in intelligent interactive system in the present embodiment, such as in touch display screen
Touch screen, be also possible to the external touch control device of intelligent interactive system, such as handwriting pad, smart electronics pen etc., pass through detection
The operation such as touch, writing of user, operating process is collected and recorded with data mode, such as acquire according to predeterminated frequency
The coordinate data of touch point generates handwriting trace signal according to coordinate data collected in preset time period, and passes through touch-control
Signaling interface is transferred to screen driving plate, wherein preset time period for example can be the time for starting to detect touch point to most
The time of touch point is once detected afterwards, namely is started to write the time to lift pen time.Touching signals interface can be USB interface, use
In reception handwriting trace signal.
Optionally, screen driving plate enables touching signals interface, and pass through the touching when receiving image synthesis instruction
It controls signaling interface and receives handwriting trace signal from touch control device.
Screen driving plate receives handwriting trace signal when receiving image synthesis instruction again, while opening image synthesis mould
Formula is advantageous in that, can prevent user when carrying out other operations using touch control device caused handwriting trace accidentally show.
Optionally, screen driving plate receives image synthesis instruction to include: screen driving plate receives target from system master chip
The software of application software starts information, synthesizes and indicates as image；Or screen driving plate passes through communication interface from micro-control unit
The software for receiving target application software in system module starts information, synthesizes and indicates as image.
Wherein, target application software can be mounted in have in system master chip and/or the system of system module and write
Software of function, such as whiteboarding software, painting software etc..
A kind of optional embodiment of the present embodiment is that target application software installation then works as target in system master chip
When application software initiated, software starting information is produced as image and synthesizes instruction, is transmitted directly to screen driving plate.
Another optional embodiment of the present embodiment is, target application software installation is on system module, when target is answered
When being started with software, the software of generation can be started to information and be sent to micro-control unit, then driven by micro-control unit by screen
The communication interface of movable plate is sent to screen driving plate.Wherein, when there are multiple system modules, pass through system between system module
Switching switch is connected to micro-control unit, and micro-control unit, which can switch to switch on-off by control system, carries out operating system
Switching.
Optionally, further includes: the touch-control in intelligent interactive system switches switch, is synthesized and is indicated according to image, touch-control is set
It is standby, the touching signals interface of screen driving plate is connected to from being connected to system master chip and switching to.
Illustratively, when touch control device is the touch control device carried in intelligent interactive system, such as in touch display screen
When touch screen, the multiplexing functions that switch realizes touch control device can be switched by one touch-control of setting, specifically, when micro-control unit connects
When receiving the software starting information namely image synthesis instruction of target application software, touch-control switching command is produced, and be sent to
Touch-control switching switch is connected with system master chip with controlling touch-control switching switch for touch control device, is switched to touch control device and screen
Curtain driving plate is connected.
Screen interface picture signal is carried out image with handwriting trace signal and synthesized by S330, screen driving plate, for showing
Show.
Illustratively, the specific embodiment for screen interface picture signal and handwriting trace signal being carried out image synthesis can
Screen is plotted in a manner of being the point coordinate data in handwriting trace signal is directly carried out described point according to the coordinate of each point
On interface image, it is also possible to the trajectory diagram and screen interface image that will be generated according to the point coordinate data in handwriting trace signal
Directly it is overlapped.Optionally, during screen driving plate receives continuous handwriting trace signal, namely work as user from " starting to write "
To during " lift pen ", handwriting trace is not shown, after user " lift pen ", composograph is sent to display screen, thus
Handwriting trace is shown.
The scheme of image synthesis is carried out in compared to the prior art by system master chip, is driven in the present embodiment by screen
Movable plate, which carries out image synthesis, to be advantageous in that, the image after can making synthesis no longer needs to be transmitted to screen by driving screen signaling interface
It after driving plate, is then forwarded to display screen and shows, and be sent directly to display screen after being synthesized by screen driving plate and shown.Cause
This, is substantially shorter and writes delay time, improves the synchronism for writing operation with display.
The technical solution of the present embodiment, will be using driving screen signaling interface from being by the screen driving plate of intelligent interactive system
Received screen interface picture signal in system master chip is believed with using touching signals interface from the received handwriting trace of touch control device
Number, image synthesis is carried out, with for showing, the progress image synthesis in screen driving plate, which is utilized, can shorten composograph biography
The advantages of defeated time, realizes shortening and writes delay time, improves the effect for writing operation with the synchronism of display.
On the basis of the above embodiments, optionally, it in the screen driving plate of intelligent interactive system, is connect by driving screen signal
Mouth is before receiving screen interface image signal in the system master chip of intelligent interactive system, further includes: system master chip incite somebody to action this
The screen interface image transmitting of the target application software of ground operation gives screen driving plate；Or system master chip, pass through image transmitting
The screen interface image of the target application software run on interface system module, and it is transferred to screen driving plate.
Illustratively, when being inscribed in intelligent interactive system or being circumscribed with other systems module, screen interface picture signal
Signal source can be system master chip, or system module.For example, if the target application installed in system master chip is soft
When part starting operation, the screen interface image transmitting of the target application software of local runtime can be driven to screen by system master chip
Movable plate；If system master chip can first pass through image transmitting interface when the target application software starting operation installed on system module
The screen interface image of the target application software run on system module is received, then is forwarded to screen driving plate.
On the basis of the above embodiments, optionally, in screen driving plate by screen interface picture signal and handwriting trace
Signal carries out after image synthesis, further includes: when the determination of screen driving plate receives handwriting trace again within a preset period of time
When signal, generates pause instruction and be sent to system master chip, and the composograph based on current cache and handwriting trace signal
Image synthesis is carried out, for showing；Wherein, pause instruction is used to indicate system master chip and suspends to screen driving plate transmission mesh
Mark the screen interface image of application software.
Illustratively, screen driving plate carry out image synthesis before, need to cache a frame image, with for it is received
Handwriting trace signal carries out image synthesis.Specifically, during persistently receiving handwriting trace signal in image synthesizing procedure, namely
It, can be based on a frame composite diagram of current cache when receiving handwriting trace signal again in preset time period after composograph
As synthesizing to the handwriting trace signal received, screen driving plate will only receive handwriting trace signal, therefore can give birth to
It is sent to system master chip at pause instruction, so that system master chip pause sends new picture signal.After user " lift pen ",
Namely when no longer receiving handwriting trace signal within a preset period of time, then restart to receive new screen interface image letter
Number.The advantages of this arrangement are as follows within " one ", it the new screen interface image to be received such as may not need, can be completed
Image synthesis writes delay time to further shorten, improves the synchronism for writing operation with display.
Example IV
Fig. 4 is a kind of structural schematic diagram for handwriting trace display device that the embodiment of the present invention four provides.With reference to Fig. 4, book
Writing track display device includes: image receiving unit 410, track receiving unit 420 and image composing unit 430, below it is right
Each module is specifically described.
Image receiving unit 410, for controlling the screen driving plate of intelligent interactive system, by driving screen signaling interface from intelligence
Screen interface image signal can be received in the system master chip of interactive system；
Track receiving unit 420 is received by touching signals interface from touch control device for controlling the screen driving plate
Handwriting trace signal；
Image composing unit 430, for controlling the screen driving plate for the screen interface picture signal and the book
It writes trajectory signal and carries out image synthesis, for showing.
Optionally, track receiving unit 420 can specifically include:
The screen driving plate is controlled when receiving image synthesis instruction, enables the touching signals interface, and pass through
The touching signals interface receives handwriting trace signal from touch control device.
Optionally, the screen driving plate receives image synthesis instruction and includes:
The screen driving plate starts information from the software that the system master chip receives target application software, as described
Image synthesis instruction；Or
The screen driving plate by communication interface from micro-control unit receive system module in target application software it is soft
Part starts information, synthesizes and indicates as described image.
Optionally, further includes:
The touch-control switching switch in the intelligent interactive system is controlled, is synthesized and is indicated according to described image, by the touch-control
Equipment is connected to the touching signals interface of the screen driving plate from being connected to system master chip and switching to.
Optionally, further includes:
Local image transmitting unit, for controlling the screen driving plate of intelligent interactive system, by drive screen signaling interface from
Before receiving screen interface image signal in the system master chip of intelligent interactive system, the system master chip is controlled, it will be local
The screen interface image transmitting of the target application software of operation gives the screen driving plate；Or module image transmitting unit, it is used for
The screen driving plate for controlling intelligent interactive system is received from the system master chip of intelligent interactive system by driving screen signaling interface
Before screen interface picture signal, the system master chip is controlled, passes through what is run on image transmitting interface system module
The screen interface image of target application software, and it is transferred to the screen driving plate.
Optionally, further includes:
Instruction sending unit, for controlling the screen driving plate for the screen interface picture signal and the writing rail
After mark signal carries out image synthesis, writing rail is received again within a preset period of time when controlling the screen driving plate determination
When mark signal, generates pause instruction and be sent to the system master chip, and the composograph based on current cache and the book
It writes trajectory signal and carries out image synthesis, for showing；
Wherein, the pause instruction is used to indicate the system master chip and suspends to the screen driving plate transmission mesh
Mark the screen interface image of application software.
Method provided by any embodiment of the invention can be performed in the said goods, has the corresponding functional module of execution method
And beneficial effect.
Embodiment five
Fig. 5 is a kind of structural schematic diagram for intelligent interaction plate that the embodiment of the present invention five provides, as shown in figure 5, this reality
Apply a kind of intelligent interaction plate of example offer, comprising: processor 51 and memory 52.Processor in the intelligent interaction plate can
To be one or more, in Fig. 5 by taking a processor 51 as an example, in the intelligent interaction plate processors 51 and memory 52
It can be connected by bus or other modes, in Fig. 5 for being connected by bus.
Handwriting trace provided by the above embodiment is integrated in the processor 51 of intelligent interaction plate in the present embodiment to show
Device.In addition, the memory 52 in the intelligent interaction plate is used as a kind of computer readable storage medium, it can be used for storing one
Or multiple programs, described program can be software program, computer executable program and module, such as book in the embodiment of the present invention
Corresponding program instruction/the module of track display method is write (for example, the module in attached handwriting trace display device shown in Fig. 4, packet
It includes: image receiving unit 410, track receiving unit 420 and image composing unit 430).Processor 51 is stored in by operation
Software program, instruction and module in memory 52, thereby executing the various function application and data processing of equipment, i.e., in fact
Handwriting trace display methods in existing above method embodiment.
Memory 52 may include storing program area and storage data area, wherein storing program area can storage program area, extremely
Application program needed for a few function；Storage data area, which can be stored, uses created data etc. according to equipment.In addition, depositing
Reservoir 52 may include high-speed random access memory, can also include nonvolatile memory, and a for example, at least disk is deposited
Memory device, flush memory device or other non-volatile solid state memory parts.In some instances, memory 52 can further comprise
The memory remotely located relative to processor 51, these remote memories can pass through network connection to equipment.Above-mentioned network
Example include but is not limited to internet, intranet, local area network, mobile radio communication and combinations thereof.
Also, when one or more included program of above-mentioned intelligent interaction plate is by one or more of processors
When 51 execution, program is proceeded as follows:
The screen driving plate of intelligent interactive system, by driving screen signaling interface from the system master chip of intelligent interactive system
Receive screen interface image signal；The screen driving plate receives handwriting trace letter from touch control device by touching signals interface
Number；The screen interface picture signal is carried out image with the handwriting trace signal and synthesized by the screen driving plate, to be used for
Display.
Embodiment six
The embodiment of the present invention six additionally provides a kind of computer readable storage medium, is stored thereon with computer program, should
Program is written when track display device executes and realizes the handwriting trace display methods provided such as the embodiment of the present invention three, this method
Include: the screen driving plate of intelligent interactive system, is connect from the system master chip of intelligent interactive system by driving screen signaling interface
Receive screen interface picture signal；The screen driving plate receives handwriting trace signal from touch control device by touching signals interface；
The screen interface picture signal is carried out image with the handwriting trace signal and synthesized by the screen driving plate, for showing
Show.
Certainly, a kind of computer readable storage medium provided by the embodiment of the present invention, the computer program stored thereon
It is performed and is not limited to realize method operation as described above, can also realize writing rail provided by any embodiment of the invention
Relevant operation in mark display methods.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, ROM), random access memory (Random such as computer
Access Memory, RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are with so that a computer is set
Standby (can be personal computer, server or the network equipment etc.) executes method described in each embodiment of the present invention.
It is worth noting that, included each unit and module are only in the embodiment of above-mentioned handwriting trace display device
It is to be divided according to the functional logic, but be not limited to the above division, as long as corresponding functions can be realized；Separately
Outside, the specific name of each functional unit is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (15)
1. a kind of intelligent interactive system, which is characterized in that including system master chip and screen driving plate, the screen driving plate is set
It is equipped with drive screen signaling interface and touching signals interface, in which:
The drive screen signaling interface is used to receive screen interface image signal, the touching signals interface from the system master chip
For receiving handwriting trace signal from touch control device；
The screen driving plate is synthesized for the screen interface picture signal to be carried out image with the handwriting trace signal,
For showing.
2. system according to claim 1, which is characterized in that the screen driving plate is specifically used for:
When receiving image synthesis instruction, the touching signals interface is enabled, and passes through the touching signals interface from touch-control
Equipment receives handwriting trace signal.
3. system according to claim 2, it is characterised in that:
The software that described image synthesis is designated as the target application software transmitted from the system master chip starts information；Or
Described image synthesizes the communication interface for being designated as the screen driving plate, the mesh from micro-control unit received system module
The software for marking application software starts information.
4. system according to claim 2, which is characterized in that further include:
Touch-control switching switch, the input terminal of the touch-control switching switch with the touch control device for being connected, the touch-control switching
First output end of switch is connected with the system master chip, and the second output terminal of the touch-control switching switch and the touch-control are believed
Number interface is connected, the touch-control switching switch, for according to image synthesis instruction between the first output end and second output terminal
It switches over.
5. system according to claim 1 to 4, it is characterised in that:
The system master chip is connected by image transmitting interface with system module, specifically for what is run on reception system module
The screen interface image of the target application software.
6. system according to claim 1 to 4, which is characterized in that further include: touch control device, the touch control device are logical
It crosses the touching signals interface to be connected with the screen driving plate, for acquiring the handwriting trace signal, and by the writing
Trajectory signal is sent to the screen driving plate.
7. a kind of handwriting trace display methods characterized by comprising
The screen driving plate of intelligent interactive system is received from the system master chip of intelligent interactive system by driving screen signaling interface
Screen interface picture signal；
The screen driving plate receives handwriting trace signal from touch control device by touching signals interface；
The screen interface picture signal is carried out image with the handwriting trace signal and synthesized by the screen driving plate, to be used for
Display.
8. the method according to the description of claim 7 is characterized in that the screen driving plate passes through touching signals interface from touch-control
Equipment receives handwriting trace signal, comprising:
The screen driving plate enables the touching signals interface, and pass through the touch-control when receiving image synthesis instruction
Signaling interface receives handwriting trace signal from touch control device.
9. according to the method described in claim 8, it is characterized in that, screen driving plate reception image synthesis instruction includes:
The screen driving plate starts information from the software that the system master chip receives target application software, as described image
Synthesis instruction；Or
The screen driving plate is opened by communication interface from the software that micro-control unit receives target application software in system module
Dynamic information, synthesizes as described image and indicates.
10. according to the method described in claim 8, it is characterized by further comprising:
Touch-control in the intelligent interactive system switches switch, is synthesized and is indicated according to described image, by the touch control device, from even
It is connected to system master chip and switches to the touching signals interface for being connected to the screen driving plate.
11. according to any method of claim 7-10, which is characterized in that the screen driving plate of intelligent interactive system is led to
Drive screen signaling interface is crossed before receiving screen interface image signal in the system master chip of intelligent interactive system, further includes:
The system master chip drives the screen interface image transmitting of the target application software of local runtime to the screen
Plate；Or
The system master chip, by the screen interface of the target application software run on image transmitting interface system module
Image, and it is transferred to the screen driving plate.
12. according to any method of claim 7-10, which is characterized in that the screen driving plate is by the screen interface
After picture signal is synthesized with handwriting trace signal progress image, further includes:
When the screen driving plate, which determines, receives handwriting trace signal again within a preset period of time, pause instruction hair is generated
The system master chip is given, and the composograph based on current cache and the handwriting trace signal carry out image synthesis,
For showing；
Wherein, the pause instruction, which is used to indicate the system master chip and suspends, sends the target to the screen driving plate and answers
With the screen interface image of software.
13. a kind of handwriting trace display device characterized by comprising
Image receiving unit, for controlling the screen driving plate of intelligent interactive system, by driving screen signaling interface from intelligent interaction
Screen interface image signal is received in the system master chip of system；
Track receiving unit receives handwriting trace from touch control device by touching signals interface for controlling the screen driving plate
Signal；
Image composing unit believes the screen interface picture signal and the handwriting trace for controlling the screen driving plate
Number image synthesis is carried out, with for showing.
14. a kind of intelligent interaction plate, which is characterized in that the intelligent interaction plate includes:
One or more processors；
Memory, for storing one or more programs；
When one or more of programs are executed by one or more of processors, so that one or more of processors are real
The now handwriting trace display methods as described in any in claim 7-12.
15. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The handwriting trace display methods as described in any in claim 7-12 is realized when execution.
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| CN201810928929.9A CN109032494B (en) | 2018-08-15 | 2018-08-15 | Intelligent interaction system, writing track display method and device, tablet and medium |
| PCT/CN2019/099797 WO2020034893A1 (en) | 2018-08-15 | 2019-08-08 | Intelligent interaction system, writing track display method and device, tablet and medium |
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| CN201810928929.9A CN109032494B (en) | 2018-08-15 | 2018-08-15 | Intelligent interaction system, writing track display method and device, tablet and medium |
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| WO2020034893A1 (en) | 2020-02-20 |
| CN109032494B (en) | 2021-04-20 |
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