CN106454153B - A kind of display methods and touch control terminal of touch control terminal - Google Patents
A kind of display methods and touch control terminal of touch control terminal Download PDFInfo
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- CN106454153B CN106454153B CN201610811366.6A CN201610811366A CN106454153B CN 106454153 B CN106454153 B CN 106454153B CN 201610811366 A CN201610811366 A CN 201610811366A CN 106454153 B CN106454153 B CN 106454153B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
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- Multimedia (AREA)
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention relates to a kind of display methods of touch control terminal and touch control terminals, the present invention increases a signal conversion module in touch control terminal, the OPS vision signal of OPS module output and the mainboard vision signal of television module output are transmitted directly to the signal conversion module, signal conversion module is decoded respectively to the two-path video signal received and coded treatment, the corresponding vision signal for generating two-way preset format, and according to the channel control signals from television module, the vision signal all the way in the vision signal of above-mentioned two-way preset format is sent to display.Since the OPS vision signal that OPS is exported only is decoded and coded treatment by signal conversion module, without relevant any processing such as image quality processing and MEMC processing, so avoiding the display delay as caused by image quality processing and MEMC processing etc., and then improve the touch-control response time of OPS channel pattern.
Description
Technical field
The present invention relates to technical field of touch-control display more particularly to the display methods and touch control terminal of a kind of touch control terminal.
Background technique
Currently, some touch control devices are integrated with the function of TV and computer, and such touch control device can be known as to computer electricity
Depending on touch-control all-in-one machine.In telecomputer touch-control all-in-one machine, it is typically provided with television channel mode and two kinds of OPS channel pattern work
Mode switches the switching, it can be achieved that the TV functions and computer function of above-mentioned all-in-one machine by above two operating mode.
Fig. 1 is a kind of structural schematic diagram of telecomputer touch-control all-in-one machine.As shown in Figure 1, the all-in-one machine includes OPS
(Open Pluggable Specification, open pluggable specification) module 1, passes through interface board 2 and OPS at interface board 2
The television module 3 that module 1 communicates to connect and the display 4 communicated to connect with television module 3, wherein the screen of display 4
Surrounding is additionally provided with touch frame 5.When above-mentioned all-in-one machine is in television channel mode, master that all-in-one machine exports television module 3
The treatment process of plate vision signal is that mainboard vision signal is transferred directly to the TCON (Timer in display 4 by television module 3
Control Register, screen driving) plate, after TCON plate is decoded the mainboard vision signal, drive the liquid in display 4
Brilliant molecule shows image.When above-mentioned all-in-one machine is in OPS channel pattern, all-in-one machine believes the OPS video that OPS module 1 exports
Number treatment process be that OPS vision signal is first transferred to television module 3 by OPS module 1, and television module 3 is to the OPS received
Vision signal carries out image quality processing, MEMC (mend by Motion Estimate and Motion Compensation, movement image quality
Repay) processing and with the processing such as OSD (On Screen Display, screen menu type adjust) signal hybrid coding, then will place
Video signal transmission after reason is to TCON (Timer Control Register, screen driving) plate in display 4, TCON plate pair
After the vision signal is decoded, the liquid crystal molecule in display 4 is driven to show image.
When being required to expend certain processing to the image quality processing and MEMC processing of vision signal due to television module 3
Between, so the vision signal for causing the picture shown in the screen of display 4 to export with respect to OPS module 1 has certain display
Delay, especially, when screen of the user on display 4 carries out touch control operation, above-mentioned display delay can be shown as, display
The 4 touch control operation response contents being presented to the user cannot make fast reaction, the response of touch control operation to the gesture motion of user
Overlong time.
Summary of the invention
To overcome the problems in correlation technique, the present invention provide a kind of touch control terminal display methods and touch-control it is whole
End.
According to a first aspect of the embodiments of the present invention, a kind of display methods of touch control terminal is provided, in the touch control terminal
Middle increase signal conversion module, which comprises
The signal conversion module receives the mainboard vision signal from television module and comes from open pluggable specification
The OPS vision signal of OPS module；
The mainboard vision signal is divided into the first vision signal and the second vision signal by the signal conversion module；
The signal conversion module carries out hybrid coding to second vision signal and the OPS vision signal, obtains
Third vision signal；
When the signal conversion module is received from the channel control signals of the television module, the signal conversion
Module judges whether touch control terminal is in OPS channel pattern；
If the touch control terminal is in OPS channel pattern, the signal conversion module sends out the third vision signal
Give display；
If the touch control terminal is not in OPS channel pattern, the signal conversion module is by first vision signal
It is sent to display.
According to a second aspect of the embodiments of the present invention, the display methods of another touch control terminal is provided, it is whole in the touch-control
Increase signal conversion module in end, which comprises
The signal conversion module receives osd signal and mainboard vision signal from television module；
The signal conversion module receives the OPS vision signal from OPS module；
When the signal conversion module is received from the channel control signals of the television module, the signal conversion
Module judges whether touch control terminal is in OPS channel pattern；
If the touch control terminal is in OPS channel pattern, the signal conversion module is to the osd signal and described
OPS vision signal carries out hybrid coding, and the first vision signal that hybrid coding is obtained is sent to display；
If the touch control terminal is not in OPS channel pattern, the signal conversion module is to the osd signal and described
Mainboard vision signal carries out hybrid coding, and the second vision signal that hybrid coding is obtained is sent to display.
According to a third aspect of the embodiments of the present invention, a kind of touch control terminal is provided, including television module, OPS module, aobvious
Show device and signal conversion module, in which:
The input terminal of the signal conversion module output end communication link with the television module and the OPS module respectively
It connects, the input terminal of the output end of the signal conversion module and the display communicates to connect；
The signal conversion module is for executing any one of the above-mentioned first aspect of the present invention or second aspect touch control terminal
Display methods.
By above technical scheme as it can be seen that a kind of display methods of touch control terminal provided in an embodiment of the present invention and touch-control are whole
End increases a signal conversion module in touch control terminal, what the OPS vision signal and television module of OPS module output exported
Mainboard vision signal is transmitted directly to signal conversion module, signal conversion module the signal received is decoded respectively and
Coded treatment, the corresponding two-path video signal for generating preset format, and according to the channel control signals from television module, selection
Vision signal all the way in above-mentioned two-path video signal is sent to display.Since signal conversion module only exports OPS
OPS vision signal is decoded and coded treatment, without relevant any processing such as image quality processing and MEMC processing, so
The display delay as caused by the image quality processing and MEMC processing etc. in television module is avoided, and then improves the channel OPS mould
The touch-control response time of formula.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of telecomputer touch-control all-in-one machine in the prior art；
Fig. 2 is a kind of signal processing system schematic diagram of touch control terminal provided in an embodiment of the present invention.
Fig. 3 provides a kind of flow chart of the display methods of touch control terminal for the present invention；
Fig. 4 provides the flow chart of the display methods of another touch control terminal for the present invention；
Fig. 5 is a kind of basic structure schematic diagram of touch control terminal provided in an embodiment of the present invention；
Fig. 6 is the basic structure schematic diagram of another touch control terminal provided in an embodiment of the present invention；
Fig. 7 is the basic structure schematic diagram of another touch control terminal provided in an embodiment of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
For existing telecomputer touch-control all-in-one machine, in OPS channel pattern, existing touch control operation responds asking for delay
Topic, the embodiment of the invention provides a kind of with the touch control terminal for reducing touch-control response display delayed function.As shown in Fig. 2, eventually
End includes OPS module 1, interface board 2, television module 3, display 4, signal conversion module 6 and is above-mentioned each module for power supply
The screen surrounding of power supply 7, display 4 is additionally provided with touch frame 5, in which:
OPS module 1 handles data for user and executes the operation that user specifies, is mounted therein with processing system (such as
Windows system), which includes one group of HDMI (High Definition Multimedia Interface, high definition
Clear degree multimedia interface) signaling interface, one group of DP (Display Port, display) signaling interface, one group of UART (Universal
Asynchronous Receiver and Transmitter, UART Universal Asynchronous Receiver Transmitter) interface, three groups of USB interfaces (including two
Group USB2.0, one group of USB3.0), (the control signal includes power state detection, plug-in module to one group of OPS control signaling interface
Detection, switch control, consumer electronics control CEC etc.), one group of analog audio signal output interface and 19V power supply interface.
Since the interface of OPS module 1 is the interface of specifically defined (80PIN), which cannot be directly right with television module 2
It connects, it is therefore desirable to which an interface board 2 realizes OPS module 1 by interface board 3 and docks with television module 2 and power supply 7.
Television module 3, on the one hand for realizing TV functions；On the other hand for receiving the audio letter of the transmission of OPS module 1
Number, convert audio signals into the power amplifier module and then export again to loudspeaker, separately that I2S signal is transferred in television module 2
Outside, television module 2 is also used to detect OPS module status (such as access state, power supply state, switching on and shutting down shape using control signal
State) and control OPS module 1 switch.
Signal conversion module 6, on the one hand for receiving computer video (HDMI/DP) signal and electricity of the transmission of OPS module 1
Mainboard video (LVDS/VBY1) signal that brain module 3 is sent, and above-mentioned signal is decoded and coded treatment, it is corresponding to generate
The LVDS/VBY1 vision signal of two-way preset format；On the other hand for receiving the channel control signals of the transmission of computer module 3,
The signal all the way in above-mentioned two-path video signal is selected to be sent to display 4 according to the channel control signals.
Display 4 for receiving LVDS/VBY1 vision signal and control signal from signal conversion module 6, and is shown
Diagram picture.
Touch frame 5, if there are two touch-control USB ports, signal is sent to television module 3 all the way, and signal is by television module 3 all the way
It is sent to OPS module 1.
For the display screen of common 1920*1080 resolution ratio, the received picture signal of display generally uses LVDS
Signal, the embodiment of the invention provides the display methods of following touch control terminal.Fig. 3 is touch control terminal provided in an embodiment of the present invention
Display methods flow chart, method shown in Fig. 3 is used for touch control terminal equipment shown in Fig. 2, and Fig. 3 method includes following step
It is rapid:
S101: signal conversion module receives mainboard vision signal from television module and (open pluggable from OPS
Specification) module OPS vision signal.
Signal conversion module receives the mainboard vision signal and OPS module of LVDS format from television module
HDMI/DP format OPS vision signal.
In the present embodiment, by signal conversion module the input terminal of OPS module and television module output end and display it
Between, so that OPS module and the vision signal of television module output are entered in signal conversion module by respective port.
S102: mainboard vision signal is divided into the first vision signal and the second vision signal by signal conversion module.
After the mainboard vision signal that signal conversion module receives, which is carried out to be divided into the first video letter
Number and the second vision signal, specifically:
After the mainboard vision signal that signal conversion module receives, mainboard vision signal is replicated, obtains two-way view
Frequency signal, i.e. the first vision signal and the second vision signal, wherein the first vision signal and the second vision signal is corresponding is exactly
The vision signal that original vision signal and duplication obtain, the video information for including in the first vision signal and the second vision signal
It is consistent.
Mainboard vision signal is divided into the first vision signal and the second vision signal, in addition to it is above-mentioned by mainboard vision signal into
Other than row duplication, the mainboard vision signal received can also be input in the circuit of a parallel output, output two-way is special
Levy identical vision signal.Mainboard vision signal will be received and be sent to the Parallel Design electricity that can export two paths of signals
Lu Zhong, by the characteristic of parallel circuit it is found that the two paths of signals and the signal of input of output are consistent, i.e. the first vision signal and
Second vision signal is all identical with the raw video signal received.
Two kinds of signal processing modes are present embodiments provided, mainboard vision signal is input to the circuit of a parallel output
Mode, it is high to wiring board cabling requirement, but cost can be saved；To the mode that mainboard vision signal is replicated, Ke Yitong
The realization of FPGA (Field-Programmable Gate Array, i.e. field programmable gate array) module is crossed, it can be to greatest extent
Guarantee signal integrity.
S103: signal conversion module carries out hybrid coding to the second vision signal and OPS vision signal, obtains third video
Signal.
Wherein, signal conversion module carries out hybrid coding to the second vision signal and OPS vision signal, specifically includes:
1) signal conversion module is decoded the second vision signal, obtains the osd signal in the second vision signal.
Then signal conversion module can be extracted after being decoded to the second vision signal according to the decoding protocol of LVDS
Osd signal in decoded second vision signal out.
2) signal conversion module carries out signal format conversion to OPS vision signal, the OPS vision signal after being converted,
Wherein, the OPS vision signal signal identical into signal format with above-mentioned osd signal after this is converted.
Signal conversion module can be according to TMDS (Transition Minimized Differential signal, mistake
Cross modulation differential signal) encoding and decoding agreement, OPS video signal decoding is decoded, obtain decoded OPS vision signal,
Then, according to the coding protocol of LVDS, decoded OPS vision signal is recompiled, obtains and believes with above-mentioned osd signal
Number identical vision signal of format.
3) signal conversion module carries out the OPS vision signal after conversion with osd signal according to pre-arranged code agreement frame by frame
Hybrid coding.
Signal conversion module can according to LVDS coding protocol, will step 2) obtain vision signal and step 1) in obtain
The osd signal obtained re-starts hybrid coding frame by frame.
S104: when signal conversion module receives the channel control signals from television module, signal conversion module is sentenced
Whether disconnected touch control terminal is in OPS channel pattern.
Wherein, channel control signals are sent by the master chip I/O in television module, if touch control terminal is in OPS
When channel pattern, S105 is thened follow the steps, if touch control terminal is in other channel patterns, thens follow the steps S106.
S105: third vision signal is sent to the display of touch control terminal by signal conversion module.
S106: the first vision signal is sent to the display of touch control terminal by signal conversion module.
After TCON plate in display is decoded first or the third vision signal that receive, drive in display
Liquid crystal molecule shows image.
The embodiment of the invention provides the display methods of touch control terminal, by adding signal modulus of conversion in touch control terminal
Block, the OPS vision signal of OPS module output and the mainboard vision signal of television module output are transmitted directly to signal modulus of conversion
The OPS vision signal (HDMI/DP signal) that OPS module exports is encoded to preset format by block, further, signal conversion module
Vision signal (LVDS signal) give display, and without without the relevant any processing of other image quality processing, and then drop
Low touch-control display delay.
For the display screen of high definition 3840*2160 resolution ratio, the received picture signal of display generally uses VBY1 (V-
By-one) signal, since VBY1 signal can separately transmit vision signal and osd signal, so the embodiment of the present invention provides
The display methods of following touch control terminal.Fig. 4 is the flow chart of the display methods of touch control terminal provided in an embodiment of the present invention, figure
Method shown in 4 is used for touch control terminal equipment shown in Fig. 2, and Fig. 4 method includes the following steps:
S201: signal conversion module receives osd signal and mainboard vision signal from television module.
S202: signal conversion module receives the OPS vision signal from OPS module.
S203: when the signal conversion module receives the channel control signals of the television module in the touch control terminal
When, the signal conversion module judges whether touch control terminal is in OPS channel pattern.
Wherein, channel control signals are sent by the master chip I/O in television module, if touch control terminal is in OPS
Channel pattern thens follow the steps S204, if touch control terminal is in other channel patterns, thens follow the steps S205.
S204: signal conversion module carries out hybrid coding to osd signal and OPS vision signal, and hybrid coding is obtained
To the first vision signal be sent to display.
Wherein, signal conversion module carries out hybrid coding to the osd signal and OPS vision signal received, specifically includes:
1) signal conversion module is respectively decoded the osd signal and OPS vision signal that receive, obtains decoded
Osd signal and OPS vision signal, wherein decoded osd signal is that signal format is identical with decoded OPS vision signal
Signal.
For the OPS vision signal from OPS module, signal conversion module can use TMDS encoding and decoding agreement, first
Parallel data is converted serial data into, then 10 minimums, DC equilibrium data are solved to 8 vision signals；For coming from
The osd signal of television module, signal conversion module can use VBY1 encoding and decoding agreement, connect the osd signal and be converted to 8 digital videos
Signal.
2) signal conversion module is according to pre-arranged code agreement, to decoded osd signal and decoded OPS vision signal
Carry out hybrid coding frame by frame.
Signal conversion module can be according to the encoding scheme of the coding protocol of VBY1, such as 8B10B, to decoding in step 1)
Osd signal and decoded OPS vision signal afterwards re-starts hybrid coding frame by frame.
S205: signal conversion module carries out hybrid coding to osd signal and mainboard vision signal, and hybrid coding is obtained
To the second vision signal be sent to display.
Wherein, signal conversion module carries out hybrid coding to the osd signal and mainboard vision signal received, specific to wrap
It includes:
1) signal conversion module is respectively decoded the osd signal and mainboard vision signal that receive, after obtaining decoding
Osd signal and mainboard vision signal, wherein decoded osd signal and decoded mainboard vision signal are signal format
Identical signal.
After the mainboard vision signal (VIDEO signal) and osd signal subchannel of television module are transferred to signal conversion module,
Two paths of signals (VBY1 signal) can be decoded into RGB according to the coding protocol of all-in-one machine master chip by signal conversion module respectively
Signal.
2) signal conversion module believes decoded osd signal and decoded mainboard video according to pre-arranged code agreement
Number carry out hybrid coding frame by frame.
Signal conversion module can obtain decoding in step 1) such as 8B10B coding protocol according to VBY1 coding protocol
VIDEO signal and osd signal carry out again hybrid coding frame by frame, obtain VBY1 signal.
The display methods of touch control terminal provided in this embodiment, unlike the display methods of the first touch control terminal,
The osd signal and VIDEO signal for the VBY1 format that signal conversion module receives are to separate transmission, it is possible to be saved to master
Plate vision signal carries out the step of signal replication.When touch control terminal is in OPS channel pattern, by the VDIEO signal of OPS module
It recompiles to meet the VDIEO signal of VBY1 agreement, the VDIEO signal after coding is then converted into single frames signal, again again
The cooperation that the osd signal exported with the all-in-one machine of framing carries out frame by frame is encoded, and is finally exported again to display.This reality
The display methods of the touch control terminal of example offer is provided, equally the VDIEO signal of OPS module is not carried out without the processing of other image quality
Relevant any processing, so can equally reduce touch-control display delay.
The embodiment of the invention also provides a kind of touch control terminal, Fig. 5 is the base of touch control terminal provided in an embodiment of the present invention
This structural schematic diagram, as shown in figure 5, the touch control terminal includes OPS module 1, television module 3, display 4, signal conversion module 6
With loudspeaker 8, in which:
The input terminal of signal conversion module 6 respectively with television module 3 and the output end of OPS module 1 communication connection, output end
It is communicated to connect with the input terminal of display 4, audio signal output end and the power amplifier module 31 in television module 3 of OPS module 1
Input terminal communication connection, the output end of power amplifier module 31 and the input terminal of loudspeaker 8 communicate to connect.
Further, signal conversion module 6 further includes signal distribution sub module 61, signal transform subblock 62 and signal choosing
Switch 63 is selected, television module 3 further includes power amplifier module 31.
The input terminal of signal distribution sub module 61 connect with the video signal output of television module 3, output end respectively with
The input terminal of signal transform subblock 62 is connected with the input terminal of signal selecting switch 63, the input terminal of signal transform subblock 62
It is also connect with the video signal output of OPS module 1, the input terminal that signal sorting selects switch 63 also converts submodule with signal respectively
The input terminal of the connection of the channel control signals output end of the output end of block 62 and television module 3, output end and display 4 connects；
In addition, the audio signal output end of OPS module 1 is connect with the input terminal of the power amplifier module 31 in television module 3, power amplifier module 31
Output end connect with loudspeaker 8.
Signal distribution sub module 61, for receiving the mainboard vision signal from television module 3, by mainboard vision signal point
For the first vision signal and the second vision signal.
Specifically, signal distribution sub module 6 can use FPGA module, wherein configuration LVDS sample circuit, LVDS sampling electricity
Road is decoded the mainboard video LVDS signal of television module 1, obtains decoded mainboard vision signal, after then decoding
Mainboard vision signal carry out replication processes, be arranged respectively at the signal port of FPGA module, and internal signal output interface,
And by the first vision signal of synchronism output and the second vision signal.
Certainly, signal distribution sub module 61 can also be realized by the way of the wiring of designed lines plate, and Fig. 6 is of the invention real
The basic structure schematic diagram that another touch control terminal of example offer is provided, touch control terminal in Fig. 6 with difference in this case is that
Signal distribution sub module 61 includes two paths of signals transmission line in parallel, the input terminal including the first two paths of signals transmission line with
The output end of television module connects, two output ends input with signal transform subblock 62 respectively of two paths of signals transmission line
The input terminal for selecting switch 63 with signal sorting is held to connect.
Wherein, two paths of signals transmission line can configure first resistor 611 and second resistance 612, first resistor 611 and
The resistance value of two resistance 612 is identical, guarantees the integrality of output signal by way of build-out resistor, wherein according to cabling mode
And path, the resistance value of two resistance are 10 ohm -100 ohm.The present embodiment, signal distribution sub module 61 are selected parallel defeated
Circuit out, design is simple, and considers from hardware aspect, more save the cost.
Signal transform subblock 62 can be a FPGA module, for receiving from signal distribution sub module 61
Two vision signals and OPS vision signal from OPS module 1, carry out mixing volume to the second vision signal and OPS vision signal
Code, obtains third vision signal.
Signal sorting selects switch 63, is also possible to a FPGA module, supports the switching of high speed signal, comes from for receiving
The I/O channel control signals that master chip in television module is sent, judge whether touch control terminal is according to channel control signals
The channel OPS is sent to display 4 when touch control terminal is in the channel OPS, then by the third vision signal received, works as touch-control
Display 4 is sent to when terminal is not in the channel OPS, then by the first vision signal received.
The embodiment of the invention also provides another touch control terminal, Fig. 7 is touch control terminal provided in an embodiment of the present invention
Basic structure schematic diagram, as shown in fig. 7, the touch control terminal includes OPS module 1, television module 3, display 4, signal modulus of conversion
Block 6 and loudspeaker 8, in which:
Signal conversion module includes the first signal transform subblock 65, second signal transform subblock 67 and the choosing of the first signal
Select switch 64 and second signal selection switch 66；
The input terminal of first signal selecting switch 64 connects with the osd signal of television module 3 and control signal output respectively
It connects, the output end input terminal with the input terminal of the first signal transform subblock 65 and second signal transform subblock 65 respectively,
The input terminal of one signal transform subblock 65 also connect with the mainboard video signal output of television module 3, output end and second
The input terminal of signal selecting switch 66 connects, and the input terminal of second signal transform subblock 65 also connects with the output end of OPS module 1
Connect, output end and second signal selection switch 66 input terminal connection, second signal selection switch 66 input terminal also with TV
The control signal output connection of module 3, the input terminal of output end and display connect；
First signal selecting switch 64 controls according to channel and believes for receiving the channel control signals from television module 3
Number judge whether touch control terminal is in OPS channel pattern, if touch control terminal is in OPS signal path mode, by what is received
Osd signal is sent to the first signal transform subblock 65, if touch control terminal is not in OPS signal path mode, will receive
Osd signal be sent to second signal transform subblock 66；
First signal transform subblock 65, for receiving the osd signal from the first signal selecting switch 64 and coming from
The OPS vision signal of OPS module 1 is obtained to the osd signal and OPS vision signal progress hybrid coding and by hybrid coding
First vision signal is sent to second signal selection switch 66；
Second signal transform subblock 65, for receiving the osd signal from the first signal selecting switch 64 and coming from
The mainboard vision signal of television module 3 is obtained to osd signal and mainboard vision signal progress hybrid coding, by hybrid coding
Second vision signal is sent to second signal selection switch 66；
Second signal selects switch 66, for receiving the channel control signals from television module 3, is controlled and is believed according to channel
Number judge whether touch control terminal is in OPS channel pattern, if touch control terminal is in OPS signal path mode, by what is received
First vision signal is sent to display, if touch control terminal be not in OPS signal path mode not, if will receive first
Vision signal is sent to display.
Wherein, the first signal selecting switch 64 and second signal select the received channel control signals of switch 66, be by
The I/O that the master chip of television module 3 is sent controls signal.
A signal conversion module is increased in touch control terminal provided in an embodiment of the present invention, which mainly realizes following
Two functions: the conversion of vision signal and the coding output of vision signal.The OPS vision signal and TV mould of OPS module output
Block output mainboard vision signal is sent to the signal conversion module, can put screen by signal conversion module encoding and decoding output
LVDS or VBY1 format vision signal, wherein when touch control terminal is in OPS channel pattern, the signal conversion module will
The vision signal of OPS module and the osd signal of television module are encoded and are integrated, to realize the display in the complete channel OPS.Therefore,
The vision signal of touch control terminal provided in an embodiment of the present invention, the output of OPS module needs not move through television module, eliminates TV mould
It is logical to substantially increase OPS to display delay caused by image quality processing and MEMC processing of vision signal etc. for master chip in block
The touch-control response time under road mode.
Same and similar part may refer to each other between each embodiment in this specification, and each embodiment stresses
Be the difference from other embodiments.
Those skilled in the art will readily occur to of the invention its after considering specification and the invention invented here of practice
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
The common knowledge in the art that person's adaptive change follows general principle of the invention and do not invent including the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (8)
1. a kind of display methods of touch control terminal, which is characterized in that increase signal conversion module in the touch control terminal, it is described
Method includes:
The signal conversion module receives the mainboard vision signal from television module and comes from open pluggable specification OPS mould
The OPS vision signal of block；
The mainboard vision signal is divided into the first vision signal and the second vision signal by the signal conversion module；
The signal conversion module carries out hybrid coding to second vision signal and the OPS vision signal, obtains third
Vision signal；
When the signal conversion module is received from the channel control signals of the television module, the signal conversion module
Judge whether touch control terminal is in OPS channel pattern；
If the touch control terminal is in OPS channel pattern, the third vision signal is sent to by the signal conversion module
Display；
If the touch control terminal is not in OPS channel pattern, the signal conversion module sends first vision signal
To display；
Wherein, the signal conversion module carries out hybrid coding, packet to second vision signal and the OPS vision signal
It includes:
The signal conversion module is decoded second vision signal, obtains the screen dish in second vision signal
Single entry adjusts osd signal；
The signal conversion module carries out signal format conversion to the OPS vision signal, the OPS video letter after being converted
Number, wherein it is described convert after OPS vision signal signal identical into signal format with the osd signal；
The signal conversion module according to pre-arranged code agreement, to after the conversion OPS vision signal and the osd signal by
Frame carries out hybrid coding.
2. the method according to claim 1, wherein the signal conversion module divides the mainboard vision signal
For the first vision signal and the second vision signal, comprising:
The signal conversion module is decoded the mainboard vision signal, obtains decoded mainboard vision signal；
The signal conversion module replicates the decoded mainboard vision signal, obtains the first vision signal and second
Vision signal；
Alternatively,
The signal conversion module exports the parallel two-way of the mainboard vision signal, and the vision signal in the two-way is respectively the
One vision signal and the second vision signal.
3. a kind of display methods of touch control terminal, which is characterized in that increase signal conversion module in the touch control terminal, it is described
Method includes:
The signal conversion module receives osd signal and mainboard vision signal from television module；
The signal conversion module receives the OPS vision signal from OPS module；
When the signal conversion module is received from the channel control signals of the television module, the signal conversion module
Judge whether touch control terminal is in OPS channel pattern；
If the touch control terminal is in OPS channel pattern, the signal conversion module regards the osd signal and the OPS
Frequency signal carries out hybrid coding, and the first vision signal that hybrid coding is obtained is sent to display；
If the touch control terminal is not in OPS channel pattern, the signal conversion module is to the osd signal and the mainboard
Vision signal carries out hybrid coding, and the second vision signal that hybrid coding is obtained is sent to display；
Wherein, the signal conversion module carries out hybrid coding to the osd signal and the OPS vision signal, comprising:
The signal conversion module decodes the osd signal, obtains decoded osd signal；
The signal conversion module carries out signal format conversion to the OPS vision signal, the OPS video letter after being converted
Number, wherein it is described convert after OPS vision signal signal identical into signal format with decoded osd signal；
The signal conversion module regards the decoded osd signal and the decoded OPS according to pre-arranged code agreement
Frequency signal carries out hybrid coding frame by frame.
4. according to the method described in claim 3, it is characterized in that, the signal conversion module is to the osd signal and described
Mainboard vision signal carries out hybrid coding, comprising:
The signal conversion module decodes the osd signal, obtains decoded osd signal；
The signal conversion module obtains decoded mainboard vision signal, wherein described to the mainboard video signal decoding
Decoded osd signal and the decoded mainboard vision signal are the identical signal of signal format；
The signal conversion module is according to pre-arranged code agreement, to the decoded osd signal and the decoded mainboard
Vision signal carries out hybrid coding frame by frame.
5. a kind of touch control terminal, which is characterized in that including television module, OPS module, display and signal conversion module, in which:
The input terminal of the signal conversion module is communicated to connect with the television module and the output end of the OPS module respectively,
The input terminal of the output end of the signal conversion module and the display communicates to connect；
The signal conversion module is for executing method according to any one of claims 1 to 4.
6. touch control terminal according to claim 5, which is characterized in that the signal conversion module includes signal distribution submodule
Block, signal transform subblock and signal selecting switch, in which:
The input terminal of the signal distribution sub module connect with the output end of the television module, output end respectively with the signal
The input terminal of transform subblock is connected with the input terminal of the signal selecting switch, and the input terminal of the signal transform subblock is also
Connect with the output end of the OPS module, the input terminal of the signal selecting switch also respectively with the signal transform subblock
Output end and the television module output end connection, output end connect with the input terminal of the display；
The signal distribution sub module, for receiving the mainboard vision signal from the television module, by the mainboard video
Signal is divided into the first vision signal and the second vision signal；
The signal transform subblock, for receiving the second vision signal from the signal distribution sub module and coming from described
The OPS vision signal of OPS module carries out hybrid coding to second vision signal and the OPS vision signal, obtains third
Vision signal；
The signal selecting switch is controlled for receiving the channel control signals from the television module according to the channel
Signal judges whether touch control terminal is in OPS channel pattern, if the touch control terminal is in OPS channel pattern, will receive
The third vision signal be sent to the display, if the touch control terminal is not in OPS channel pattern, by what is received
First vision signal is sent to the display.
7. touch control terminal according to claim 6, which is characterized in that the signal distribution sub module is specifically used for:
The signal distribution sub module obtains decoded mainboard vision signal to the mainboard video signal decoding；
The signal distribution sub module replicates the decoded mainboard vision signal, respectively obtains the first vision signal
With the second vision signal；
Alternatively,
The signal distribution sub module includes two paths of signals transmission line in parallel, the input terminal of the two paths of signals transmission line
It is connect with the output end of the television module, two output ends of the two paths of signals transmission line are converted with the signal respectively
The input terminal of submodule is connected with the input terminal of the signal selecting switch.
8. touch control terminal according to claim 6, which is characterized in that the signal conversion module is converted including the first signal
Submodule, second signal transform subblock and the first signal selecting switch and second signal selection switch, in which:
The input terminal of first signal selecting switch connect with the television module output end, output end is respectively with described first
The input terminal of signal transform subblock and the input terminal of second signal transform subblock, the first signal transform subblock it is defeated
Enter that end also connect with the output end of the OPS module, output end and the second signal select the input terminal switched to connect, it is described
The input terminal of second signal transform subblock is also connect with the output end of the television module, output end and the second signal select
Select the input terminal connection of switch, the input terminal of second signal selection switch also connect with the output end of the television module,
Output end is connect with the input terminal of the display；
First signal selecting switch, for receiving the channel control signals from the television module, according to the channel
Control signal judge whether touch control terminal is in OPS channel pattern, if the touch control terminal be in OPS signal path mode,
The osd signal received is sent to the first signal transform subblock, if the touch control terminal is not in OPS signal and leads to
The osd signal received is sent to the second signal transform subblock by road mode；
The first signal transform subblock, for receiving the osd signal and the OPS vision signal from the OPS module,
Hybrid coding is carried out to the osd signal and the OPS vision signal, the first vision signal for obtaining hybrid coding is sent to
The second signal selection switch；
The second signal transform subblock is believed for receiving the osd signal with the mainboard video from the television module
Number, hybrid coding is carried out to the osd signal and the mainboard vision signal, the second vision signal for obtaining hybrid coding is sent out
Give the second signal selection switch；
The second signal selection switch, for receiving the channel control signals from the television module, according to the channel
Control signal judge whether touch control terminal is in OPS channel pattern, if the touch control terminal be in OPS signal path mode,
First vision signal is sent to the display, if the touch control terminal is not in OPS signal path mode, by institute
It states the second vision signal and is sent to the display.
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| CN106954088B (en) * | 2017-03-07 | 2020-02-04 | 青岛海信电器股份有限公司 | Touch control method and touch control all-in-one machine |
| TWI634787B (en) * | 2017-11-17 | 2018-09-01 | 宏正自動科技股份有限公司 | Apparatus and method for switching video signal |
| CN109298750A (en) * | 2017-12-13 | 2019-02-01 | 中航华东光电（上海）有限公司 | A kind of reinforcement type intelligent display |
| CN108427545B (en) * | 2018-02-01 | 2021-07-09 | 广州视源电子科技股份有限公司 | Screenshot data processing method, device and system, storage medium and processor |
| CN108536231A (en) * | 2018-04-20 | 2018-09-14 | 广州昊旻晟电子技术有限公司 | A kind of touch one-piece machine |
| CN108415684A (en) * | 2018-05-08 | 2018-08-17 | 上海彭创教育科技有限公司 | A kind of intelligent blackboard list Driver Card |
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