CN1728243A - Method for determining connection state of jack in optical desk device - Google Patents
Method for determining connection state of jack in optical desk device Download PDFInfo
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- CN1728243A CN1728243A CN 200410053193 CN200410053193A CN1728243A CN 1728243 A CN1728243 A CN 1728243A CN 200410053193 CN200410053193 CN 200410053193 CN 200410053193 A CN200410053193 A CN 200410053193A CN 1728243 A CN1728243 A CN 1728243A
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- socket
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- external device
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Abstract
A method for determining connection state of on jack optical disc device detects voltage level of multiple I / O interface at rear board of optical disc device on DVD player and determines out connection state of jack connected to external unit according to whether detected - out voltage level is varied or not, then outputs and displays determined results.
Description
(1) technical field
The invention relates to the decision method of the connection socket state in the optical disc apparatus, especially about in polytype optical disc apparatus of DVD player (DVD-Player) and so on, be used for automatic a kind of optical disc apparatus connection socket condition judgement method of judging the connection status of the external device (ED) socket that on the multiple IO interface of installing on the plate of back, connects.
(2) background technology
Generally speaking, can non-volatile recording high image quality video data and high tone quality voice data or the CD (as the CD of DVD (DVD:Digital Versatile Disc) and so on) that can play and the optical disc apparatus (as the optical disc apparatus of DVD player and so on) that can read and play recorded data on the above-mentioned CD be developed and be put to commercialization.
On the one hand, on the back plate (BackPanel) of above-mentioned CD, as shown in Figure 1, multiple IO interface can be installed, the 1RCA interface, the 2RCA interface that is provided with the Y/C port that are provided with CVBS (Color Video Burst Sync) port for example can be installed, be provided with the 3RCA interface of Y/Pb/Pr port and be provided with SCRAT interface of G/B/R/CVBS port etc.
And, the optical disc apparatus of above-mentioned DVD player and so on, when being inserted with the CD of DVD and so on, read and with reference to the importing (Line-In) of CD district in behind the guidance information of record, carry out a succession of data playback action of the A/V data that read and play record in the optical disc data district (Data Area).
And, can export the external device (ED) of televisor and so on to as above from CD, reading and carried out IO interface that vision signal that play signal handles installs by the back plate.For example, when the user was connected to the socket of external device (ED) the 1RCA interface of installing on the plate of back, optical disc apparatus was by 1RCA interface output composite video signal (Composite Video Signal); When the user was connected to the socket of external device (ED) the 2RCA interface of installing on the plate of back, optical disc apparatus was by 2RCA interface output brightness (Y) signal and color (C) signal.
And when the user was connected to the socket of external device (ED) the 3RCA interface of installing on the plate of back, optical disc apparatus was by 3RCA interface output Y/Pb/Pr signal; When the user was connected to the socket of external device (ED) the SCART interface of installing on the plate of back, optical disc apparatus was by SCART interface output G/B/R signal or composite video signal.
But, there are the following problems for general optical disc device: because of on the plate multiple IO interface being housed thereafter, so the user is in order to confirm to connect the IO interface state of external device (ED) socket, can only directly confirm one by one the state of the IO interface that is connected with the external device (ED) socket.
And also there are the following problems: can only be according to the socket connection status of external device (ED), and suitably selected input and output mode.For example, on the 1RCA interface that is provided with the CVBS port, be connected with under the state of external device (ED) socket, when specifying output mode to export y/c signal owing to user error, display video image not on the screen of the external device (ED) of televisor and so on.
(3) summary of the invention
The present invention designs for addressing the above problem, its purpose is to provide and connects the socket condition judgement method in the following optical disc apparatus: make polytype optical disc apparatus of DVD player and so on, can judge automatically when external device (ED) socket (Jack) is connected connection status on the multiple IO interface that is equipped with on the plate back, make the user can be, suitable selected input and output mode according to the socket connection status of external device (ED).
For achieving the above object, connect the socket condition judgement method in the optical disc apparatus that designs according to the present invention to comprise that following 3 steps are feature:
The 1st step is measured added voltage levvl on a plurality of IO interface that are equipped with on the optical disc apparatus; Whether the 2nd step changes according to the voltage levvl of measuring, and judges the socket connection status with external device (ED); The 3rd step, the information of the above-mentioned result of determination of output indication.
Effect of the present invention:
According to having above-mentioned formation and carrying out the present invention who moves as mentioned above and connect the socket decision method in the optical disc apparatus that designs is an invention that is highly profitable, exactly added voltage levvl on the multiple IO interface of installing on the back plate positions such as (Back Panel) of the optical disc apparatus of DVD player and so on is detected, whether change according to the voltage levvl of measuring and to judge the socket connection status that links with external device (ED), meanwhile export and show the information of indicating above-mentioned result of determination; Like this, the user can directly confirm one by one to the state of the IO interface that is connected with the external device (ED) socket, and can effectively prevent because of the user select wrong output mode can't be on the screen of external device (ED)s such as televisor display video image.
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 indicates is the multiple IO interface of installing on the back plate in the general optical disc device.
What Fig. 2 indicated is the formation of having used optical disc apparatus of the present invention.
Fig. 3 indicates is action flow chart according to the socket connection status decision method in the optical disc apparatus of the present invention's design.
Fig. 4 indicates is guide information interface according to the present invention's output and the socket connection status that shows.
Fig. 5 indicates is guide information interface according to the present invention's output and the socket not-connected status that shows.
The symbol description of major part in the accompanying drawing:
10: microcomputer 11: Video Decoder
12: video buffer 13: video conversion IC
14: converter 15: voltage detecting system
(5) embodiment
Below, just, described in detail with reference to accompanying drawing according to the example that connects the socket condition judgement method in the optical disc apparatus of the present invention's design.
At first, according to connecting the socket decision method in the optical disc apparatus of the present invention's design, for example, can be applicable to the diversified optical disc apparatus of DVD player and so on.The optical disc apparatus of above-mentioned DVD player and so on as shown in Figure 2, can be made of microcomputer 10, Video Decoder 11, video buffer 12, video conversion IC13, converter 14 and voltage detecting system 15.
And, on the back plate of optical disc apparatus,, the 1RCA interface, the 2RCA interface that is provided with the Y/C port that are provided with the CVBS port is housed, is provided with the 3RCA interface of Y/Pb/Pr port and is provided with the multiple IO interface of the SCRAT interface and so on of G/B/R/CVBS port with reference to as described in Fig. 1 as the front.
On the one hand, when voltage detecting system 15 is connected with the socket of external device (ED) on IO interface, measures the last added voltage of the resistance (as: 75 Ω) that on each IO interface, is equipped with respectively and reduce; Whether 10 of microcomputers reduce according to above-mentioned voltage levvl, and the socket of judging external device (ED) automatically is connected the connection status on each IO interface.To this, will be described in detail below.
What Fig. 3 indicated is according to the action flow chart that connects the socket condition judgement method in the optical disc apparatus of the present invention's design, below Fig. 3 is elaborated.
S10, for example, microcomputer 10 is provided for judging the pattern of the socket connection status that is connected with external device (ED) according to user's requirement or the some cycles that is provided with in advance.
S11, and, voltage detecting system 15 is moved control, can measure added voltage levvl on the resistance that is equipped with on each IO interface respectively.For example, when being connected with the socket of external device (ED) on the 1RCA interface that is provided with the DVBS port, added voltage levvl reduces to about 1V from added 2V before this on the resistance that is equipped with on the 1RCA interface.
On the one hand, if 10 pairs of voltage detecting systems 15 of microcomputer move control, measure and compose the voltage levvl that adds on the multiple IO interface that is equipped with on the plate of back separately, so, just confirm the IO interface that voltage levvl changes, promptly reduce to the IO interface of about 1V voltage from added 2V voltage before this.
S12 at this moment, judges whether voltage levvl changes.
S13, if when measuring voltage levvl by said process and change, 10 of microcomputers are judged the socket that is connected with external device (ED) on the corresponding IO interface.
S14, when demonstration was used to indicate the information of result of determination, when being a plurality of, display requirement was selected the information of which IO interface for use in the IO interface that is connected with the external device (ED) socket.
For example, microcomputer 10 is thought when being connected with the socket of external device (ED) respectively on 1RCA interface, 2RCA interface and SCART interface through judgement, as shown in Figure 4, then and the indication information that is used to represent the socket connection status together, output and display requirement are selected the information that will use.Above-mentioned information can be passed through any one IO interface, as the 1RCA interface, by the screen of TV set output and the demonstration that connect.
S15, and, to judge whether this moment to select the user with the IO interface of using, if do not have, flow process is got back to S14.
S16, if during microcomputer 10 socket that selected 1RCA interface connects the socket of the external device (ED) that the user is connected from 1RCA interface, 2RCA interface and SCART interface, execution will be by the vision signal that Video Decoder 11 reduces and play signal is handled, and exports a succession of connection interface action of 1RCA interface to through video buffer 12 and converter 14.
S17, on the contrary, in flow process S12, if microcomputer 10 is then judged the socket that does not connect external device (ED) on the IO interface when not measuring voltage levvl by said process and change.
S18, at this moment, when demonstration was used to indicate the information of result of determination, display requirement connected the information of external device (ED) socket.
For example, as shown in Figure 5,, show that the socket not-connected status is connected the information of socket with requiring, thereby make the user can connect the socket of external device (ED) by the small-sized LCD that be equipped with the DVD player front portion.
Simultaneously, when microcomputer 10 is connected with the external device (ED) socket on a plurality of IO interface, can with reference to the priority that is provided with in advance, automatically select any one IO interface after, by the socket outputting video signal that is connected with this IO interface.For example, when the 1RCA interface is set to override, microcomputer 10 automatically performs the vision signal of reducing by Video Decoder 11 and play signal is handled, and exports a succession of connection interface action of 1RCA interface to through video buffer 12 and converter 14.
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 (6)
1, connect the socket condition judgement method in a kind of optical disc apparatus, it is characterized in that comprising following 3 steps:
The 1st step is measured added voltage levvl on a plurality of IO interface that are equipped with on the optical disc apparatus;
Whether the 2nd step changes according to the voltage levvl of measuring, and judges the socket connection status with external device (ED);
The 3rd step, the information of the above-mentioned result of determination of output indication.
2, connect the socket condition judgement method in the optical disc apparatus as claimed in claim 1, it is characterized in that:
In described the 2nd step, when the voltage levvl of measuring is lower than the certain voltage level that is provided with in advance, then judge to be connected with the external device (ED) socket on the corresponding IO interface.
3, connect the socket condition judgement method in the optical disc apparatus as claimed in claim 1, it is characterized in that:
In described the 3rd step, when the voltage levvl of measuring keeps the certain voltage level of setting in advance, then judge not connect the external device (ED) socket on the corresponding IO interface.
4, connect the socket condition judgement method in the optical disc apparatus as claimed in claim 1, it is characterized in that:
In described the 3rd step and indication on a plurality of IO interface, be connected with the external device (ED) socket information together, output and display requirement are selected the information that will use.
5, connect the socket condition judgement method in the optical disc apparatus as claimed in claim 1, it is characterized in that:
In described the 3rd step, the information that is not connected the external device (ED) socket with indication together, output and display requirement connect the information of external device (ED) socket.
6, connect the socket condition judgement method in the optical disc apparatus as claimed in claim 1, it is characterized in that:
In described the 2nd step, also comprise when judgement is connected with the external device (ED) socket on a plurality of IO interface, with reference to the priority that is provided with in advance, use the step of the socket that connects on any one IO interface automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053193 CN1728243A (en) | 2004-07-28 | 2004-07-28 | Method for determining connection state of jack in optical desk device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410053193 CN1728243A (en) | 2004-07-28 | 2004-07-28 | Method for determining connection state of jack in optical desk device |
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| Publication Number | Publication Date |
|---|---|
| CN1728243A true CN1728243A (en) | 2006-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410053193 Pending CN1728243A (en) | 2004-07-28 | 2004-07-28 | Method for determining connection state of jack in optical desk device |
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| CN (1) | CN1728243A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101516009B (en) * | 2007-12-26 | 2011-07-13 | 索尼株式会社 | Image display device, method for indicating connector, and connector |
| CN102055943B (en) * | 2009-10-28 | 2013-10-23 | 纬创资通股份有限公司 | Detection method, detection device and multimedia device |
| US8694696B2 (en) | 2009-10-20 | 2014-04-08 | Wistron Corporation | Detection method and detection device and multimedia device for high-definition multimedia interface |
-
2004
- 2004-07-28 CN CN 200410053193 patent/CN1728243A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101516009B (en) * | 2007-12-26 | 2011-07-13 | 索尼株式会社 | Image display device, method for indicating connector, and connector |
| US8694696B2 (en) | 2009-10-20 | 2014-04-08 | Wistron Corporation | Detection method and detection device and multimedia device for high-definition multimedia interface |
| CN102055943B (en) * | 2009-10-28 | 2013-10-23 | 纬创资通股份有限公司 | Detection method, detection device and multimedia device |
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