CN1805528A - External device connection status detection device and method for audio/video devices - Google Patents
External device connection status detection device and method for audio/video devices Download PDFInfo
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- CN1805528A CN1805528A CN 200510023322 CN200510023322A CN1805528A CN 1805528 A CN1805528 A CN 1805528A CN 200510023322 CN200510023322 CN 200510023322 CN 200510023322 A CN200510023322 A CN 200510023322A CN 1805528 A CN1805528 A CN 1805528A
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Abstract
The invention relates to a device for detecting the connection condition of external device of acoustic/video device and relative method, which comprise: detecting the connection condition of external device of acoustic/video plug; according to detected result, automatically setting the input and output modes; via the acoustic/video plug, transmitting the information with detected connection condition of external device and set input and output modes, to the external device. The invention can automatically detect the connection condition of external device of each acoustic/video plug of acoustic/video device, to transmit the information to external device. Therefore, the user can simply check the connection condition of external device and make the acoustic/video device small, and according to the connection condition, automatically set the input and output modes of acoustic/video device.
Description
(1) technical field
The invention relates to the external equipment connection status that detects audio/video (hereinafter to be referred as A/V) socket, and the information of this state is offered a kind of external equipment device connection status detection and the method for audio/video devices of the A/V equipment of external equipment picture.
(2) background technology
Usually, in the VCR equipment complex, for example, in A/V equipment complexes such as DVDP/VCR hybrid system,, need possess a plurality of A/V sockets in order to realize being connected with the signal of a plurality of external equipments, for example, A/V1 (output socket), A/V2 (input socket), A/V3 (input socket).
On the other hand, above-mentioned DVDP/VCR hybrid system is the system that has DVDP (optical digital disk player Digital Versatile Disc Player) function and VCR (video tape recorder Video Cassette Recorder) function simultaneously.
In above-mentioned general A/V equipment complex, have a plurality of A/V sockets in the back of equipment, the user selects required A/V socket from above-mentioned a plurality of A/V sockets, carry out signal with external equipment and be connected.
For instance, when if the user exports the replay signal of above-mentioned equipment complex to TV, realize that by above-mentioned A/V1 output socket above-mentioned equipment complex is connected with the signal of TV, after, the audio/video signal of replaying in the above-mentioned equipment complex all passes through above-mentioned A/V1 output socket output, like this, by having carried out the loud speaker and the CRT picture of the above-mentioned TV that signal connects, can listen to and watch the audio frequency and the video frequency program of above-mentioned equipment complex.
But, if because user's error, when normally not connecting audio sockets and video socket, for example, if in audio sockets, insert video plug or in the video socket, insert audio jack, during external equipment (TV) output audio that can not be normally connects to signal/vision signal, on the picture of said external equipment, background frame such as output blue picture constantly.
And irrelevant with the connection status of above-mentioned A/V socket, above-mentioned equipment complex is by input units such as remote controllers, and former state keeps the input and output mode of user's setting and the input and output mode that system default is provided with.For instance, above-mentioned equipment complex former state keeps no matter be that the equipment complex set by the A/V1 output socket in a plurality of A/V sockets is with the signal connection status of external equipment or by the equipment complex of A/V2 input pattern setting and the signal connection status of external equipment.
Like this, prior art does not provide the external equipment connection state information of above-mentioned a plurality of A/V sockets, when if the not so good user of professional knowledge runs into situation above-mentioned, may think that to be that external equipment or above-mentioned equipment complex occur unusual by mistake, the request repair systems.Even it is not such, in order to confirm the external equipment connection status of A/V socket, the user launches the back of above-mentioned equipment complex to watch one by one, and then connect, after confirming the external equipment connection status of A/V socket, need manually to set the input and output mode of above-mentioned equipment complex, this brings a lot of inconvenience to the user.
(3) summary of the invention
The present invention is in order to address the above problem, its objective is provides a kind of external equipment connection status that automatically detects the A/V socket that possesses in the equipment complex, and this connection state information offered on the external equipment picture that signal connects, automatically set the external equipment device connection status detection and the method for audio/video devices of the input and output mode of equipment complex.
To achieve these goals, the external equipment device connection status detection of audio/video devices of the present invention is made of following components, and as feature: the Audio Signal Processing portion of signal processing is carried out in counterweight broadcast signal and outside input and output audio signal frequently; Replay vision signal and outside input and output video signals are carried out the vision signal handling part of signal processing; In the audio/video devices that possesses the audio/video socket, detect the connection status test section of the external equipment connection status of above-mentioned audio/video socket; By the audio/video socket, the external equipment that connects to signal transmits the outside input and output portion of information of the input and output mode of the external equipment connection status that comprises above-mentioned detection and setting.In addition, the external equipment connection status inspection method of audio/video devices of the present invention is made of following step, and as feature: the 1st step, the external equipment connection status of the audio/video socket of detection; The 2nd step, according to the testing result of above-mentioned steps, the automatic setting input and output mode; The 3rd step, the audio/video socket that passes through, the external equipment that connects to signal transmit the information of the input and output mode of the external equipment connection status that comprises above-mentioned detection and setting.
Effect of the present invention:
The external equipment connection status inspection method of audio/video devices of the present invention is by automatically detecting the external equipment connection status of each A/V socket that possesses in the A/V equipment, and this information offered external equipment, the user can confirm the connection status of external equipment simply, realizes minimizing of unnecessary A/S request.And, according to the external equipment connection status that detects, automatically set the input and output mode of A/V equipment, improved the convenience that uses.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the formation schematic diagram of an embodiment of the external equipment device connection status detection of A/V equipment of the present invention.
Fig. 2 is the action flow chart of an embodiment of the external equipment connection status inspection method of A/V equipment of the present invention.
Fig. 3 is among the present invention to Fig. 5 demonstration, externally the schematic diagram of an embodiment of the OSD window that provides on the picture of equipment.
The symbol description of major part in the accompanying drawing:
10: microcomputer 20: Audio Signal Processing portion
30: vision signal handling part 40: outside input and output portion
50: selection portion 60: the connection status test section
The 70:OSD generating unit
(5) embodiment
Below with reference to accompanying drawings the external equipment device connection status detection of audio/video devices of the present invention and the external equipment device connection status detection of method A/V equipment and the embodiment of detection method are elaborated.
Fig. 1 is the formation schematic diagram of an embodiment of the external equipment device connection status detection of A/V equipment of the present invention.The external equipment device connection status detection of A/V equipment is made of following components: the Audio Signal Processing portion 20 that audio signal is carried out signal processing; Vision signal is carried out the vision signal handling part 30 of signal processing; Be connected the outside input and output portion 40 that constitutes by a plurality of A/V sockets in order to carry out signal with external equipment; By switching motion, to the selection portion of selecting by the input and output of said external input and output portion 40 50; The connection status test section 60 that the external equipment connection status of said external input and output portion 40 is detected; Generate the osd signal generating unit 70 of the 0SD signal of the connection status of above-mentioned detection and input and output mode; Control the replay action of above-mentioned equipment complex and the input and output that the audio/video signal of said external input and output portion 40 is passed through in control, simultaneously, according to the external equipment connection status of above-mentioned detection and the input and output mode of setting, the microcomputer 10 of the osd signal generation of control osd signal generating unit 70 and the switching motion of above-mentioned selection portion 50.
In the equipment complex that constitutes according to said structure, said external input and output portion 40 is made of a plurality of A/V sockets.For example, constitute by A/V1 (output socket) A/V2 (input socket) A/V3 (input socket).Above-mentioned each A/V socket is by a plurality of audio frequency (for example, Audio R, Audio L) socket, and single video socket constitutes.
And, when each A/V socket is connected with external equipment, that is, and when the audio/video plug of external equipment normally inserts, the high signal of said external input and output portion 40 outputs, when external equipment does not have the state that connects, the output low signal is when external equipment connects improperly, promptly, when inserting video plug or inserting audio jack in audio sockets in the video socket, output is different from other signals of above-mentioned high signal and low signal.
Fig. 2 is the action flow chart of an embodiment of the external equipment connection status inspection method of A/V equipment of the present invention.Below, parallel with the action of Fig. 1 device, the external equipment connection status inspection method of the A/V equipment that Fig. 2 is shown is elaborated.
S10, S11, at first, if in the equipment complex of Fig. 1, approve power supply, connection status test section 60 is for the external equipment connection status of each A/V socket of detecting outside input and output portion 40, confirm the signal of said external input and output portion 40 to each A/V socket output, this is with above-mentioned the same, to the external equipment A/V socket that is connected of signal normally, the high signal of said external input and output portion 40 outputs; To the A/V socket that does not have signal to connect, the output low signal; To the A/V socket that is connected with the improper earth signal of external equipment, output is different from other signals of above-mentioned high signal and low signal, thus, can easily detect the connection status of external equipment.
On the other hand, when the user selects ' automatic setting ' of input and output mode, microcomputer 10 is according to above-mentioned testing result, the input and output socket of affirmation external equipment signal connection normally (for example, A/V3), according to the result who confirms, (for example with present input and output mode, acquiescence on the program (default) pattern (for example, A/V1) is set at the input and output mode of above-mentioned affirmation again.
At this moment, when the user selected input and output mode ' manually setting ', above-mentioned microcomputer 10 keeps the present input and output mode of setting as it is, and (for example, default mode (for example, A/V1).
S12, osd signal for the testing result that generates above-mentioned present input and output mode of setting again and setting and above-mentioned connection status test section 60, above-mentioned microcomputer 10 control OSD generating units 70, under the control of microcomputer, the osd signal that above-mentioned OSD generating unit 70 generates.
S13 carries out signal processing at vision signal handling part 30, by above-mentioned selection portion 50, sends the external equipment (TV) that is connected with outside input and output portion 40 signals to.
Therefore, on the CRT of TV picture, as Fig. 3 (setting the example of input and output mode automatically again) and the routine formula of Fig. 4 (manually setting the example of input and output mode), output shows the OSD window, and the user can confirm the external equipment connection status of each A/V socket by the OSD window of above-mentioned picture output.
For example, OSD window by Fig. 3 and Fig. 4, can confirm simply not connect external equipment in each audio frequency and video socket of A/V1, do not connect external equipment in the audio frequency R socket of A/V2, audio frequency L is connected with video socket and external equipment are improper, the audio frequency R of A/V3, audio frequency L, the video socket normally is connected with external equipment.
Therefore, after the user confirms connection status by the external equipment of above-mentioned OSD window,, after the affirmation, adequate measures such as take to reconnect for the equipment of improper connection.
And the user can confirm present input and output mode by the OSD window of above-mentioned picture output.As shown in Figure 4, when present input and output mode was the system default pattern, the user can manually set input and output mode once more.
If the user thinks manually to set once more input and output mode, the user should utilize the button (for example, going up (down) button under (up)) of input unit such as remote controller, sets (for example, A/V3) input and output mode on above-mentioned OSD window again.
S20, S21, S22, along with the manual or automatic setting of input and output mode is finished, above-mentioned microcomputer 10 control selection portions 50, be connected in the above-mentioned pattern corresponding port of setting again (C port), after, microcomputer 10 is according to user's requirement, carries out the A/V3 input socket by said external input and output portion 40, the action of the signal record of the external equipment input that signal is connected to the tape.
When again input and output mode being set automatically, if external equipment normally the input socket that connects of signal be a plurality of (for example, A/V1, A/V3), above-mentioned microcomputer 10 is according to the priority of having set, automatically set input and output mode again after, output displayed map 5 illustrative OSD windows or on the external equipment that signal connects in order manually to set input and output mode again, on the external equipment that signal connects, provide Fig. 5 illustrative OSD window.
S30, if this moment power-off, flow process finishes.
S31, on the other hand, if power supply is not closed, when the external equipment connection status that detects from connection status test section 60 when microcomputer 10 judges that the external equipment connection status changes, the external equipment that above-mentioned microcomputer 10 connects to signal provides the information of the input and output mode of the connection status of external equipment of variation and setting, after the connection status of confirming external equipment, the user can manually set input and output mode again.
And, when occurring normally to insert the A/V3 socket such as external equipment, during operate misses such as user's usefulness A/V1 socket setting input and output mode, the external equipment that above-mentioned microcomputer 10 connects to signal provides the information of OSD window of the input and output mode of the connection status of external equipment and setting, the user can grasp present external equipment connection status exactly, can correctly operate above-mentioned equipment complex.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (11)
1, a kind of external equipment device connection status detection of audio/video devices is characterized in that being made of following components:
Counterweight broadcast frequency signal and outside input and output audio signal are carried out the Audio Signal Processing portion of signal processing;
Replay vision signal and outside input and output video signals are carried out the vision signal handling part of signal processing;
In the audio/video devices that possesses the audio/video socket, detect the connection status test section of the external equipment connection status of above-mentioned audio/video socket;
By the audio/video socket, the external equipment that connects to signal transmits the outside input and output portion of information of the input and output mode of the external equipment connection status that comprises above-mentioned detection and setting.
2, the external equipment device connection status detection of audio/video devices as claimed in claim 1 is characterized in that:
Described audio/video devices is an equipment complex, and described audio/video socket is made of more than one audio/video input socket and more than one audio/video output socket.
3, the external equipment device connection status detection of audio/video devices as claimed in claim 2 is characterized in that also comprising following structure:
By switching motion, carry out the selection portion that signal is connected with any one audio/video socket in described a plurality of audio/video sockets;
According to the external equipment connection status of described detection and the input and output mode of setting, control the microcomputer of the switching motion of described selection portion.
4, the external equipment device connection status detection of audio/video devices as claimed in claim 3 is characterized in that:
Input and output mode corresponding audio/video socket that described microcomputer is used to control with manual or automatic setting carries out the described selection portion that signal is connected.
5, the external equipment device connection status detection of audio/video devices as claimed in claim 3 is characterized in that:
Described microcomputer is when having the external equipment of signal connection normally more than 2, the selection portion that connects according to the priority corresponding audio of having set/video socket signal to be controlled in described testing result.
6, the external equipment device connection status detection of audio/video devices as claimed in claim 1 is characterized in that also comprising following structure:
Generate the OSD generating unit of osd signal of the input and output mode of the external equipment connection status of described detection and setting, described outside input and output portion transmits osd signal to the external equipment that signal connects.
7, the external equipment device connection status detection of audio/video devices as claimed in claim 1 is characterized in that:
Whether described connection status test section detects whether described external equipment connects and normally connects.
8, a kind ofly use the external equipment connection status inspection method that device as claimed in claim 1 carries out audio/video devices, it is characterized in that constituting by following step:
The 1st step, the external equipment connection status of detection audio/video socket;
The 2nd step, according to the testing result of above-mentioned steps, the automatic setting input and output mode;
The 3rd step, by the audio/video socket, the external equipment that connects to signal transmits the information of the input and output mode of the external equipment connection status that comprises above-mentioned detection and setting.
9, the external equipment connection status inspection method of audio/video devices as claimed in claim 8, it is characterized in that also comprising the steps: input and output mode corresponding audio/video socket, from the external equipment received signal and transmit the step of signal to external equipment by the automatic setting in the described audio/video devices.
10, the external equipment connection status inspection method of audio/video devices as claimed in claim 8 is characterized in that:
When the power supply of described audio/video devices is opened at every turn and the connection status of described external equipment when changing, all to finish described the 2nd step and the 3rd step.
11, the external equipment connection status inspection method of audio/video devices as claimed in claim 8 is characterized in that:
As each user during, all to finish described the 2nd step and the 3rd step to described external equipment operate miss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023322 CN1805528A (en) | 2005-01-14 | 2005-01-14 | External device connection status detection device and method for audio/video devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510023322 CN1805528A (en) | 2005-01-14 | 2005-01-14 | External device connection status detection device and method for audio/video devices |
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| CN1805528A true CN1805528A (en) | 2006-07-19 |
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| CN 200510023322 Pending CN1805528A (en) | 2005-01-14 | 2005-01-14 | External device connection status detection device and method for audio/video devices |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101330586B (en) * | 2007-06-18 | 2012-07-11 | 索尼株式会社 | Audio output apparatus, audio input apparatus, audio control apparatus, audio control system, and audio control method |
| US8818008B2 (en) | 2005-06-14 | 2014-08-26 | Samsung Electronics Co., Ltd | Display apparatus and control method thereof |
| CN106154096A (en) * | 2015-04-27 | 2016-11-23 | 中兴通讯股份有限公司 | Audio connecting cord detection method and device |
| CN111418217A (en) * | 2017-11-27 | 2020-07-14 | Nec显示器解决方案株式会社 | Video apparatus and control method of video apparatus |
-
2005
- 2005-01-14 CN CN 200510023322 patent/CN1805528A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8818008B2 (en) | 2005-06-14 | 2014-08-26 | Samsung Electronics Co., Ltd | Display apparatus and control method thereof |
| CN101330586B (en) * | 2007-06-18 | 2012-07-11 | 索尼株式会社 | Audio output apparatus, audio input apparatus, audio control apparatus, audio control system, and audio control method |
| CN106154096A (en) * | 2015-04-27 | 2016-11-23 | 中兴通讯股份有限公司 | Audio connecting cord detection method and device |
| CN106154096B (en) * | 2015-04-27 | 2019-12-10 | 中兴通讯股份有限公司 | audio connecting line detection method and device |
| CN111418217A (en) * | 2017-11-27 | 2020-07-14 | Nec显示器解决方案株式会社 | Video apparatus and control method of video apparatus |
| US11388369B2 (en) | 2017-11-27 | 2022-07-12 | Sharp Nec Display Solutions, Ltd. | Video device and control method for video device |
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