Optical disc playback apparatus and method which utilizes single

Details Optical disc playback apparatus and method which utilizes single Optical disc playback apparatus and method which utilizes single

1993-11-09

1995-11-14

Young, W. R.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

369 32, 369 54, 369 58, G11B 700

Patent

active

054673291

ABSTRACT:
An optical disc playback apparatus for playing back information such as music recorded on a compact disc (CD) and/or information such as data recorded on compact disc read only memory (CD-ROM) comprises: device for reading the information from the CD or the CD-ROM; device for decoding the CD-ROM data from the reading device; device for processing TOC information from the reading device; memory for storing CD TOC information when the CD is played back, and data to be used for decoding the information recorded on the CD-ROM when the CD-ROM is played back; and device for changing over between using the memory for storing the TOC information or using the memory as a data decoder for the CD-ROM.

REFERENCES:
patent: 4758902 (1988-07-01), Okamoto et al.
patent: 4833548 (1989-05-01), Watanabe
patent: 5222054 (1993-06-01), Muraoka et al.
patent: 5243582 (1993-09-01), Yamauchi et al.

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