CN2547067Y - Several video-audio signal switching device with studying function - Google Patents
Several video-audio signal switching device with studying function Download PDFInfo
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- CN2547067Y CN2547067Y CN 01266882 CN01266882U CN2547067Y CN 2547067 Y CN2547067 Y CN 2547067Y CN 01266882 CN01266882 CN 01266882 CN 01266882 U CN01266882 U CN 01266882U CN 2547067 Y CN2547067 Y CN 2547067Y
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Abstract
The utility model relates to a several video-audio signal switching device with studying function, comprising a main controller, wherein, the main controller which controls a plurality of sets of diverter switches connected between a plurality of video-audio signal sources and at least one display terminal completes switching and selection of the signal of a specific video-audio signal source and then outputs the signal to the display terminal; moreover, the main controller which can receive infrared signal through an infrared receiver completes study, analysis and storage of the signal and then completes signal conversion so that the signal can be used to control the output switching of the specific video-audio signal source; therefore, control switching can be realized by different remote controllers. With the utility model, a specific remote controller is no longer a necessity, i.e. the remote controllers of other household electrical appliances can be used directly for realizing switching function; meanwhile, switching can be completed directly through a key set; therefore, the utility model not only reduces the factory cost of the video-audio switching device, but also ensures convenience for operation for a user.
Description
Technical field
Relevant a kind of several video-audio signal switching device shifters with learning functionality of the utility model refer to that especially a kind of different remote of accepting transmits, and then change the video-audio signal switching device shifter of specific video-audio signal output according to its control signal.
Background technology
Along with science and technology is maked rapid progress, people's standard of living also improves relatively, and especially only more winning in the past for the enjoyment in the audiovisual can broadcast listening or watch the simple vision or the acoustic stimuli of television station.
Therefore, cooperate the electronic toy product of releasing family movie institute or new kenel at present, can integrate senior audio-visual play-back technology and high-resolution dynamic menu and give diversified pleasures of the senses such as consumer's high image quality image more true to nature, high fax sound, by improving the device that makes unit running originally, develop into the design of integration playing system gradually.
Because various video-audio playing devices at specific recording medium, as DVD or VCD etc., because of audio-visual terminal with equal specification, and all can cooperatively interact with the audio-visual terminal of TV, therefore described playing device can be integrated unification and play the image or the voice signal of its output by video screen, therefore the common trait kind of adding various audio-visual apparatuss heals and becomes various, so occur having can connect many video-audio playing devices and with [the audio-visual switch] of a video display terminal (television set), it mainly is to carry out the switching of one-to-many (TV is to various video-audio playing devices) signal manually to dial the mode of cutting, yet, stress efficient and easy today for everything, slightly seem in fact with the manual operation device for switching and fall behind and inconvenience.
Therefore, promptly having manufacturer to release utilizes remote control to reach the audio-visual switch of the function of switching, but because described audio-visual switch institute is numerous in order to the number of electronic products of connection, and for allowing the user conveniently be controlled, each video-audio playing device can attachedly be given a remote controller and manipulate for the user, therefore, for the user, the simple handoff functionality operation of described audio-visual switch increases by a specific remote controller, seeming on the contrary, the utilance of remote controller is quite low, but manual operation more feel inconvenience again, therefore at present audio-visual switching device shifter, should provide suitable method of operation again, to solve described awkward problem.
The utility model content
Main purpose of the present utility model is to provide a kind of video-audio signal switching device shifter, the remote controller that can directly utilize other electronic product is to finish the audio-visual switching operation of switching device of control, thereby can reduce the quantity of remote controller on the one hand, can allow the user make things convenient for and reach apace on the other hand and switch to different electronic display units.
For achieving the above object, video-audio signal switching device shifter of the present utility model, comprise a control circuit that is arranged in the shell, be provided with one group of key groups, infrared receiver, several audio-visual input terminals on the end face of shell, and at least one group of lead-out terminal, be characterized in that described control circuit comprises: a master controller, its input is connected to described key groups and infrared receiver; Several diverter switches, the input of each diverter switch is connected to the audio-visual input terminal of described correspondence respectively, and its common ends is connected to the audio-visual lead-out terminal of described correspondence, the control end of each diverter switch is connected to described master controller respectively, controlling the action of each diverter switch respectively by described master controller, and then connect audio-visual input terminal and audio-visual lead-out terminal by described diverter switch; Described master controller is judged at the signal of infrared receiver input and is stored, with as infrared signal is converted to control each diverter switch foundation, when receiving one, master controller switches signal, then control the diverter switch of this switching signal correspondence, so that the audio-visual input terminal signal of described diverter switch is connected to the audio-visual lead-out terminal of output.
The master controller of described device can receive the remote controller signal of particular frequency range by infrared receiver, and signal analysis of launching at described remote controller and record in addition, and with the control signal of this conversion of signals for the execution specific function, so as to the behavior that realizes various remote controllers are learnt, and control with remote control mode by the remote controller that cooperates study; Because each diverter switch connects different video-audio signals source by audio-visual input terminal, so when a certain diverter switch of remote controller emission control is moved, the video-audio signal source that described diverter switch connected can be connected to specific electronic installation, to control described audio-visual switching device shifter by different remote controllers, automatically switch and select different video-audio signal sources, thereby reduce the consumption of remote controller and can carry out straighforward operation easily.In sum, the utility model can be removed the specific remote controller of use from, can be with the remote controller of other electric household appliance as the direct function of switching controls, also can directly switch simultaneously by key groups, like this, the utility model not only can reduce the cost that dispatches from the factory of audio-visual switching device shifter, also can allow the user control conveniently equally.
Understand the purpose of this utility model, characteristics and advantage for clearer, below in conjunction with accompanying drawing being elaborated to preferred embodiment of the present utility model.
Description of drawings
Fig. 1 is an outside drawing of the present utility model;
Fig. 2 is the utility model one practical operation schematic diagram, and the attachable various video-audio playing devices of the utility model are shown;
Fig. 3 is a calcspar of the present utility model;
Fig. 4 A, B are detailed circuit diagram of the present utility model.
Fig. 5 is an operational flowchart of the present utility model.
Embodiment
The utility model is a kind of several video-audio signal switching device shifters with learning functionality that have many audio-visual handoff functionalities of group and can cooperate the remote controller of different labels.At first seeing also Fig. 1 and Fig. 2, is the outside drawing of the audio-visual switching device shifter of the utility model shown in the figure, and several video-audio signal switching device shifters with learning functionality of the present utility model comprise: a shell 100; One control circuit (not shown), it is located at described shell 100 inside; The audio-visual input terminal 13 of array places respectively on the rear end face of described shell 100, in order to be connected with the audio-visual terminal of various video-audio playing devices, as AV terminal, S terminal etc.; At least one group of audio-visual lead-out terminal 15 places respectively on the rear end face of described shell 100, in order to be connected to the audio-visual terminal as video display terminals such as TVs, as AV terminal, S terminal etc.; One key groups 16 is located on the leading flank of described shell 100, and for manually controlling the usefulness that switches to specific audio-visual input terminal 13, described key groups 16 also comprises power knob, several switch bar, study button etc.; One infrared receiver 11 is to be located at shell 100 inside, in order to receive the signal of remote controller 20 emissions; One display unit 17, be made up of several light-emitting diodes, correspondence is arranged in described key groups 16 each button inboard respectively, to show its operate condition, each button of key groups 16 is a light-permeable in present embodiment, so that show its operating state by the display unit 17 of inboard with light on and off.
See also shown in Figure 3ly, it is a calcspar of described control circuit, and described control circuit comprises: a master controller 10, and its input system is connected with key groups 16 with described infrared receiver 11; Several diverter switches 12A～12D, the control end of each diverter switch 12A～12D is connected to described master controller 10 respectively, control the action of each diverter switch 12A～12D respectively by described master controller 10, output and common ends then are connected to aforementioned audio-visual input terminal 13 and audio-visual lead-out terminal 15 respectively; Several signal amplification units 14A～14D respectively is connected in each group and switches and to open 12A～12D and 15 of audio-visual lead-out terminals, in order to amplify the video-audio signal of exporting by diverter switch 12A～12D.
See also Fig. 4 A again, shown in the B, they are the detailed circuit diagram of described each circuit, wherein said master controller 10 is to be made of a microprocessor U7, described infrared receiver 11 is the output that is connected to described master controller 10 by a decoder U8, and the output of described master controller 10 system is connected to each diverter switch 12A～12D respectively, in order to control the action of each diverter switch 12A～12D, in addition, more the input in each diverter switch 12A～12D connects an audio-visual input terminal 13 respectively, and the common ends of each diverter switch 12A～12D system is connected with the circuit of signal amplification unit 14A～14D, described signal amplification unit 14A～14D circuit system forms amplifying circuit by several transistors, suitably to amplify by the video-audio signal of each audio-visual input terminal 13 by diverter switch 12A～12D output, thereafter, again each amplifying signal is directly exported to audio-visual lead-out terminal 15.
More than be the detailed description of circuit structure of the present utility model, below promptly further specify at integrated circuit and handover operation flow process:
Please cooperate simultaneously and consult Fig. 4 A, B and shown in Figure 5, it is an explanation operating process of the present utility model, can make described master controller 10 cooperate decoder U8 the infrared remote controller of the different labels code signal of exporting not shown in the figures can be read by this operating process, and to store, thereafter, can cooperate remote controller to send the coding of different key, and then control the foundation of each push button function in the key groups as setting;
At first the flow process of different label infrared remote controllers is learnt in explanation: because remote controller is an operating frequency of using about 36KHz ~ 40KHz at present, therefore aforementioned infrared receiver 11U201 uses operating frequency can receive infrared receiver 11 signals of aforementioned operating frequency range in 38KHz, after the complete signal that the receiving infrared-ray remote controller is sent, promptly calculate total time and each pulse wave time of described signal, and write down, because the coding difference that different key sent of same remote controller, so the time of each pulse wave is also different in the signal, the total time that adds the code signal of each button that same remote controller sends can be consistent, so can be by the mode of aforementioned analysis infrared signal, push button signalling as the various infrared remote controllers of study, with this is the applicable various infrared remote controller of penetrating, and is converted into the switch-over control signal of the audio-visual switching device shifter of control the utility model.
Please cooperate again consult shown in Figure 1, when power-on, described master controller 10 can be read the user mode of last time start, if initial setting learning remote control device 20 functions, or desire is changed and the different remote of last time using 20, study button in the group 16 that then pushes button earlier, and the switch bar in the group 16 that pushed button after waiting for a period of time about 2 seconds, this moment, the light-emitting diode of described switch bar can be lighted, again a remote controller 20 is aligned infrared receiver 11 emissions one specific keys signal, behind described signal of described infrared receiver 11 receptions, promptly send into decoder U8 and described master controller 10, and,, so far finish the learning functionality of described switch bar with the foundation of this signal sets for this push button function of control according to the aforementioned infrared signal program that reads;
If aforementioned learning process surpasses about 2 seconds of the scheduled time, then representative study failure, need to press again again the switch bar of study this time, and repeating said steps, till in the scheduled time, finishing, hence one can see that, utilizes this method can make master controller 10 be suitable for the remote controller 20 of different manufacturers, to save the use of an additional remote controller 20 really.
Finish the learning program of specific remote controller 20 when master controller 10 after, can utilize the directly handoff functionality of the audio-visual switching device shifter of control of described remote controller 20, and after in a single day described master controller 10 receive the control signal that described remote controller 20 sent, promptly according to the data of study before judge this control signal relative push button function, and carry out described push button function, or can directly press described button start, so the utility model has the advantage of automatic or manual control concurrently.
Claims (8)
1, a kind of several video-audio signal switching device shifters with learning functionality, comprise a control circuit that is arranged in the shell, be provided with one group of key groups, infrared receiver, several audio-visual input terminals on the end face of shell, and at least one group of lead-out terminal, it is characterized in that described control circuit comprises:
One master controller, its input is connected to described key groups and infrared receiver;
Several diverter switches, the input of each diverter switch is connected to the audio-visual input terminal of described correspondence respectively, and its common ends is connected to the audio-visual lead-out terminal of described correspondence, the control end of each diverter switch is connected to described master controller respectively, controlling the action of each diverter switch respectively by described master controller, and then connect audio-visual input terminal and audio-visual lead-out terminal by described diverter switch:
Described master controller is judged at the signal of infrared receiver input and is stored, with as infrared signal is converted to control each diverter switch foundation, when receiving one, master controller switches signal, then control the diverter switch of this switching signal correspondence, so that the audio-visual input terminal signal of described diverter switch is connected to the audio-visual lead-out terminal of output.
2, several video-audio signal switching device shifters that have learning functionality according to claim 1, it is characterized in that, further comprise the array signal amplification unit, each signal amplification unit is connected in respectively to be organized between diverter switch and audio-visual lead-out terminal, in order to amplify the video-audio signal by diverter switch output.
3, several video-audio signal switching device shifters that have learning functionality according to claim 1, it is characterized in that, further comprise a key groups, described key groups is made up of the array button, and each button is connected to the input of described master controller respectively, for manually controlling the usefulness that switches to specific audio-visual input terminal.
4, several video-audio signal switching device shifters as having learning functionality as described in the claim 1,2 or 3, it is characterized in that, comprise that further one is connected to the display unit of the output of master controller, in order to each button in corresponding each described key groups, to show its operate condition.
5, several video-audio signal switching device shifters as having learning functionality as described in the claim 3 is characterized in that, described key groups also comprises power knob, several switch bar, study button.
6, several video-audio signal switching device shifters as having learning functionality as described in the claim 4 is characterized in that described display unit is made up of several light-emitting diodes.
7, have several video-audio signal switching device shifters of learning functionality according to claim 1, it is characterized in that, described audio-visual input terminal and audio-visual lead-out terminal are A V terminal.
8, have several video-audio signal switching device shifters of learning functionality according to claim 1, it is characterized in that, described audio-visual input terminal and audio-visual lead-out terminal are the S terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01266882 CN2547067Y (en) | 2001-10-31 | 2001-10-31 | Several video-audio signal switching device with studying function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01266882 CN2547067Y (en) | 2001-10-31 | 2001-10-31 | Several video-audio signal switching device with studying function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2547067Y true CN2547067Y (en) | 2003-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01266882 Expired - Fee Related CN2547067Y (en) | 2001-10-31 | 2001-10-31 | Several video-audio signal switching device with studying function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2547067Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305302C (en) * | 2003-08-20 | 2007-03-14 | 三星电子株式会社 | Display apparatus and control method thereof |
| CN100433790C (en) * | 2005-07-06 | 2008-11-12 | 精工爱普生株式会社 | Electronic instrument |
| CN102385887A (en) * | 2010-08-31 | 2012-03-21 | 晨星软件研发(深圳)有限公司 | Playing device and related method |
| CN103235577A (en) * | 2013-04-18 | 2013-08-07 | 浙江大丰实业有限公司 | Stage background screen control system |
-
2001
- 2001-10-31 CN CN 01266882 patent/CN2547067Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305302C (en) * | 2003-08-20 | 2007-03-14 | 三星电子株式会社 | Display apparatus and control method thereof |
| CN100433790C (en) * | 2005-07-06 | 2008-11-12 | 精工爱普生株式会社 | Electronic instrument |
| CN102385887A (en) * | 2010-08-31 | 2012-03-21 | 晨星软件研发(深圳)有限公司 | Playing device and related method |
| CN103235577A (en) * | 2013-04-18 | 2013-08-07 | 浙江大丰实业有限公司 | Stage background screen control system |
| CN103235577B (en) * | 2013-04-18 | 2015-10-28 | 浙江大丰实业股份有限公司 | stage background screen control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |