CN110300270B - Non-inductive switching device for display equipment - Google Patents
Non-inductive switching device for display equipment Download PDFInfo
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- CN110300270B CN110300270B CN201910611283.6A CN201910611283A CN110300270B CN 110300270 B CN110300270 B CN 110300270B CN 201910611283 A CN201910611283 A CN 201910611283A CN 110300270 B CN110300270 B CN 110300270B
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- 230000002452 interceptive effect Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Classifications
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
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- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a non-sensing switching device of display equipment, which comprises a display, wherein the display is provided with a first electrical interface and a second electrical interface, a control main board is provided with micro-control unit software, when the display is started, a signal input source inputs signals from the first electrical interface and the second electrical interface, an algorithm of the micro-control unit software responds to, initializes and fully decodes the signals input by the first electrical interface and the signals input by the second electrical interface, and simultaneously pre-receives the signals, the format of the signals input by the first electrical interface and the format of the signals input by the second electrical interface after the algorithm of the micro-control unit software processes are the same, and the signals input by the first electrical interface and the signals input by the second electrical interface are mutually switched by a user, so that the switching is instant and quick, thereby solving the problem of black screen.
Description
Technical Field
The present invention relates to a switching device for a display device, and more particularly, to a non-inductive switching device for a display device.
Background
The most information received in human sense organs is visual organs, namely eyes, and people need to increasingly utilize abundant visual information in production and life, and display technology adopts proper methods, such as changing the intensity, wavelength and other characteristics of light to form different visual information according to psychological and physiological characteristics of people. At present, the display technology of consumers and professions is mature day by day, and great visual convenience can be brought to life, work and scientific research of people.
Currently, with the gradual increase of digital display signal technologies, such as HDMI 2.0, displayPort 1.4, and the continuous development of display driving related technologies, multiple input signal interface display devices are increasingly used.
At present, almost all multi-input interface display devices in the market need to re-input signals by the input devices at the moment of switching input signals because the signal formats input by different input interfaces are different and the interface signals are not responded in time, so that the input devices are required to re-input the signals, some non-required noise pictures exist in the switching transmission process of the signals, in order to avoid users to see the noise pictures, black screens are arranged, the input signal devices are required to regenerate the signals because the interface signals are not responded in time and the interface signals are decoded, the display devices need to wait for the preparation time, and the waiting time is even longer than 1 second, and the display devices can generate pictures which are irrelevant to the input signals, such as black pictures, blue pictures, noise and the like, so that the switching moment of the display devices is generated, and the customer switching signal operation and the actual visual effect experience are influenced.
With the improvement of the resolution of the display device, for example, the 4K and 8K technologies, the waiting time for the input device to prepare the signal again may be longer, so the signal switching effect of the ultra-high definition display device on the market is poor.
Therefore, there is a need to design a good display device non-sensing switching device to overcome the above-mentioned problems.
Disclosure of Invention
Aiming at the problems faced by the background technology, the invention aims to provide the non-inductive switching device of the display equipment, which responds to all input signals and decodes all the input signals, and the switching is carried out after the software operation processing and the switching processing, so that the switching is instant and quick, and the problem of black screen is solved.
In order to achieve the above purpose, the invention adopts the following technical means:
A display equipment noninductive switching device is characterized in that a user selects a signal picture to display, the display comprises a display, the signal picture is displayed on the display, the display is provided with a first electrical interface and a second electrical interface, a control main board is provided with micro control unit software, when the display is started, a signal input source inputs signals from the first electrical interface and the second electrical interface, an algorithm of the micro control unit software responds to and initializes the signals input by the first electrical interface and the signals input by the second electrical interface, all the signals are decoded and received simultaneously, the signal format of the signals input by the first electrical interface processed by the algorithm of the micro control unit software is the same as the signal format of the signals input by the second electrical interface, the user directly switches the noninductive signals input by the first electrical interface into the signals input by the second electrical interface, the display displays the signal picture of the second electrical interface, or the noninductive signals input by the second electrical interface are switched into the signals input by the first electrical interface, and the display displays the signals of the first electrical interface.
Further, the control main board is a display driving control main board, the user is switched to the electrical input interface with signals in a non-sensing way, the signal picture is normally displayed on the display, and the user is switched to the electrical input interface without signals in a non-sensing way, and the non-signal picture is displayed on the display.
Further, the signal switching is performed between the initialization and the noninductive switching of the input signal by the algorithm of the micro control unit software, and the signal picture is normally displayed on the display and then returned to the signal switching program.
Further, the first electrical interface is HDMI, disaplayPort, VGA or DVI, the corresponding signal is HDMI, displayPort, VGA or DVI, the second electrical interface is HDMI, displayPort, VGA or DVI, and the corresponding signal is HDMI, displayPort, VGA or DVI.
Further, the interface of the display is an OSD menu interactive interface, and the user selects a signal input source from the display through a key board or a remote controller.
Further, the signal format input by the first electrical interface is different from the signal format input by the second electrical interface.
Further, the signal format input by the first electrical interface is the same as the signal format input by the second electrical interface.
Compared with the prior art, the invention has the following beneficial effects:
The display device is characterized in that the display device comprises a display, the signal picture is displayed on the display, the display is provided with a first electrical interface and a second electrical interface, a control main board, micro control unit software is installed on the control main board, when the display is started, a signal input source inputs signals from the first electrical interface and the second electrical interface, an algorithm of the micro control unit software responds to and initializes the signals input by the first electrical interface and the signals input by the second electrical interface, and simultaneously pre-receives the signals, the signal format processed by the algorithm of the micro control unit software is the same as the signal format input by the first electrical interface, the user directly switches the signals input by the first electrical interface into signals input by the second electrical interface, the display displays the signal picture of the second electrical interface, or the signals input by the second electrical interface are not switched into the signals input by the first electrical interface, the algorithm of the micro control unit software responds to the signals input by the first electrical interface, the first electrical interface and the signals are not switched into the first electrical interface, the signals can be quickly switched into the black interface, the signal can not be quickly switched into the black interface, and the signal can be quickly switched into the signal picture, the signal can not be quickly switched to the black interface, the signal can be quickly input to the black interface, and the signal can be quickly input to the signal can be quickly input, and the signal can be quickly and the signal input to the signal can be quickly easily and the signal input to the signal to the user.
Drawings
FIG. 1 is a schematic diagram of the operation of a system of the sensorless switching apparatus of the display device of the present invention;
Fig. 2 is a flowchart of a non-sensing switching device of a display device according to the present invention.
Detailed Description
For a better understanding of the invention with objects, structures, features, and effects, the invention will be described further with reference to the drawings and to the detailed description.
Referring to fig. 1 and fig. 2, a display device non-sensing switching device is one of the most important parts in all technologies of the information industry, and the non-sensing switching device is designed for a display device with multiple input interfaces, for example, the device has HDMI, displayPort, VGA or DVI or other digital or analog signals at the same time, so as to improve the user visual experience of the input signal switching function: when the same display device inputs multiple paths of signals at the same time, a user switches from a current input signal picture to another input signal picture, black pictures and various pictures irrelevant to the input signals are not generated at the switching moment, and the switching process is quick, real-time, free of sense and smooth, and free of setbacks and stagnant sense.
Referring to fig. 1 and fig. 2, the non-sensing switching device of the display device of the present invention belongs to an important part of the display processing technology. The technology is applied to any display scene requiring multiple input signals, such as exhibition halls, meeting rooms, stations, hospitals, military institutions and the like requiring multiple input signal sources. The method is particularly suitable for scenes with switching time and visual effect requirements for signal picture switching, such as joint offices, large conferences and the like.
Referring to fig. 1 and 2, a display device non-sensing switching apparatus for displaying a signal frame by a user includes a display, the signal frame is displayed on the display, the display has a first electrical interface and a second electrical interface, the first electrical interface is HDMI or DisplayPort or VGA or DVI or other electrical interfaces, the second electrical interface is HDMI or DisplayPort or VGA or DVI or other electrical interfaces, and a third electrical interface and a fourth electrical interface may also exist, the number of the signals corresponding to the electrical interfaces is HDMI, displayPort, VGA or DVI or other digital and analog signals, etc. according to actual needs. The control main board is provided with micro control unit software, when the display is started, a signal input source inputs signals from a first electrical interface and a second electrical interface, an algorithm of the micro control unit software simultaneously responds and initializes the signals input by the first electrical interface and the signals input by the second electrical interface in time, simultaneously decodes all the signals and pre-receives all the signals simultaneously, so that no time difference exists, and even if the time difference exists, the control main board waits for all the signals to be completely initialized and decoded and pre-received, and then the next procedure can be performed. The interface of the display is an OSD menu interactive interface, and a user selects a signal input source of the display through a key board or a remote controller, so that the switching between input signals is quick, real-time and noninductive.
Therefore, no matter whether the signal formats input by the first electrical interface and the second electrical interface are different or the same, no time difference exists, even if the time difference exists, the control main board can wait for all signals to be completely initialized and decoded and pre-received, and then the next procedure can be performed.
Referring to fig. 1 and 2, the signal format of the first electrical interface input processed by the algorithm of the micro control unit software is the same as the signal format of the second electrical interface input, the user directly switches the signal input by the first electrical interface to the signal input by the second electrical interface, the display displays the signal frame of the second electrical interface, or the signal input by the second electrical interface is switched to the signal input by the first electrical interface, and the display displays the signal frame of the first electrical interface. The control main board is a display driving control main board, a user is switched to an input electrical interface with signals in a noninductive manner, a signal picture is normally displayed on the display, and the user is switched to the input electrical interface without signals in a noninductive manner, and the no-signal picture is displayed on the display. And after the signal picture is normally displayed on the display, returning to a signal switching program, and performing signal non-sensing switching again.
Referring to fig. 1 and 2, the above-mentioned display device non-sensing switching apparatus includes a display, a signal screen displayed on the display, a control main board, wherein the display has a first electrical interface and a second electrical interface, a micro control unit software is installed on the control main board, when the display is started, a signal input source inputs signals from the first electrical interface and the second electrical interface, an algorithm of the micro control unit software responds to and initializes the signals input by the first electrical interface and the signals input by the second electrical interface, decodes all the signals, and pre-receives all the signals at the same time, a signal format input by the first electrical interface and a signal format input by the second electrical interface processed by the algorithm of the micro control unit software are the same, the user directly switches the signal input by the first electrical interface into the signal input by the second electrical interface without sense, the display displays the signal picture of the second electrical interface, or the signal input by the second electrical interface is switched into the signal input by the first electrical interface without sense, the display displays the signal picture of the first electrical interface, and the switching is instant and quick, thereby solving the black screen problem, rapidly, real-time, noninductively and smoothly displaying the input signal picture selected by the current user in the display, realizing the switching instant, avoiding the need of the signal input source to convey the signal again, avoiding the need of waiting for the signal input source to prepare the input signal again, and avoiding the generation of irrelevant states such as black pictures at the switching instant, so as to meet the timeliness and visual sense of the switching signal of the user.
Modern display resolution ratio can be higher and higher, input interface is more and more, can provide more clear various visual pictures, above-mentioned display device noninductive auto-change over device, at 4K, 8K and higher resolution's display signal, the time from the ready signal to the display output can be longer, this quick, real-time, noninductive switching technique, compare the display device that does not have this technique, visual effect is better, the display device noninductive auto-change over device fine solution signal switch the problem that produces in the middle of, user's visual experience has been improved, the improvement of modern display technique has been adapted to.
The above detailed description is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, therefore, all changes that may be made in the equivalent technology using the present specification and illustrations are intended to be included in the scope of the invention.
Claims (7)
1. A display device noninductive switching apparatus for selecting a signal screen for display by a user, comprising: the display is provided with a first electrical interface and a second electrical interface, a control main board, micro control unit software is installed on the control main board, when the display is started, a signal input source inputs signals from the first electrical interface and the second electrical interface, an algorithm of the micro control unit software responds to and initializes the signals input by the first electrical interface and the signals input by the second electrical interface, all the signals are decoded and received simultaneously, the signal format of the signals input by the first electrical interface processed by the algorithm of the micro control unit software is the same as the signal format of the signals input by the second electrical interface, a user directly switches the signals input by the first electrical interface into the signals input by the second electrical interface, the display displays the signal frame of the second electrical interface, or the signals input by the second electrical interface are switched into the signals input by the first electrical interface, and the display displays the signal frame of the first electrical interface.
2. The display device noninductive switching apparatus as set forth in claim 1, wherein: the control main board is a display driving control main board, a user is switched to an electrical input interface with signals in a noninductive manner, a signal picture is normally displayed on the display, and the user is switched to the electrical input interface without signals in a noninductive manner, and the no-signal picture is displayed on the display.
3. The display device noninductive switching apparatus as set forth in claim 2, wherein: and switching the signals between initializing and non-sensing switching of the input signals by the algorithm of the micro control unit software, and returning to a signal switching program after the signal pictures are normally displayed on the display.
4. The display device noninductive switching apparatus as set forth in claim 1, wherein: the first electrical interface is HDMI, disaplayPort, VGA or DVI, the corresponding signal is HDMI, displayPort, VGA or DVI, the second electrical interface is HDMI, displayPort, VGA or DVI, and the corresponding signal is HDMI, displayPort, VGA or DVI.
5. The display device noninductive switching apparatus as set forth in claim 1, wherein: the interface of the display is an OSD menu interactive interface, and a user selects a signal input source of the display through a key board or a remote controller.
6. The display device noninductive switching apparatus as set forth in claim 1, wherein: the signal format input by the first electrical interface is different from the signal format input by the second electrical interface.
7. The display device noninductive switching apparatus as set forth in claim 1, wherein: the signal format input by the first electrical interface is the same as the signal format input by the second electrical interface.
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| CN201910611283.6A CN110300270B (en) | 2019-07-08 | 2019-07-08 | Non-inductive switching device for display equipment |
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| CN201910611283.6A CN110300270B (en) | 2019-07-08 | 2019-07-08 | Non-inductive switching device for display equipment |
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| CN110300270B true CN110300270B (en) | 2024-05-17 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130099505A (en) * | 2012-02-29 | 2013-09-06 | 김임규 | A multi monitor output resolution sensing system and its control method thereof |
| CN108055561A (en) * | 2017-12-27 | 2018-05-18 | 安徽科创智慧知识产权服务有限公司 | Display switching equipment based on multichannel HDMI sources |
| CN210112136U (en) * | 2019-07-08 | 2020-02-21 | 深圳市嘉利达专显科技有限公司 | Non-inductive switching technology of display equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI585581B (en) * | 2012-11-14 | 2017-06-01 | 瑞軒科技股份有限公司 | Control method of an audio/video system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130099505A (en) * | 2012-02-29 | 2013-09-06 | 김임규 | A multi monitor output resolution sensing system and its control method thereof |
| CN108055561A (en) * | 2017-12-27 | 2018-05-18 | 安徽科创智慧知识产权服务有限公司 | Display switching equipment based on multichannel HDMI sources |
| CN210112136U (en) * | 2019-07-08 | 2020-02-21 | 深圳市嘉利达专显科技有限公司 | Non-inductive switching technology of display equipment |
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