External socket detecting device for optical disc unit

Abstract

The disclosed device includes following parts: jack connection detector set detects whether first external jack connection of connecting external display and the second external jack connection are already connected; signal processing device for processing signals suitable for transferring to the said first external jack connection and second external jack connection; based on jack types detected by the said detector, control device controls the said signal processing device to carry out corresponding signal process. The invention is capable of detecting whether signal connected to jack connections for optical device or external display is component signal or video signal. Thus, corresponding video signal processes can be carried out for jack connections.

Description

(1) Technical field [0001] The present invention relates to an external jack detection device of an optical disc device, that is, it automatically detects the type of the external connection jack connected to an external display, and accordingly performs corresponding signal processing on the recorded data of the optical disc. (2) Background technology [0002] Generally, an optical disc device is a device for reading data recorded on optical discs such as DVD (Digital Versatile Disc) and HD-DVD (High Density Digital Versatile Disc: High Density Digital Versatile Disc). With the development of audio data compression and transmission technology, its performance has also achieved leaps and bounds. [0003] figure 1 It is a configuration diagram of an optical disc device equipped with a device capable of detecting the jack connected to a general external display. This device includes: an MPEG decoder 12 that processes data supplied from a data source into a video (SUPER) sign...

AI Technical Summary

Problems solved by technology

[0006] However, the above-mentioned general optical disk device can only realize normal video signal output when the form of the video signal processed by the MPEG decoder 12 is consistent with the type of the jack connected to the external display, so every time it is connected to the external display In every case, the selection switch 13 must be set in order to be able to output the video signal corresponding to this connection, or, in order to make the signal processed by the MPEG decoder 12 correspond to the output state of the video signal, it is necessary to confirm whether the selection switch is correctly selected. Switch 13, so there is a problem that is particularly troublesome to operate

[0007] In addition, if the user is not very familiar with the function of the selection switch 13, for example, the selection state of the selection switch 13 is the video output state, then the MPEG decoder will also process the video signal into the video signal state, but if it is connected to an external display If the jack is a component jack, there is a problem that the program cannot be enjoyed normally.

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