CD player for reproducing signals from CD-OK and video CD

Details CD player for reproducing signals from CD-OK and video CD CD player for reproducing signals from CD-OK and video CD

1996-07-01

1997-04-01

Dinh, Tan

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 58, 369 8, 386 1, G11B 1722, H04N 576

Patent

active

056173865

ABSTRACT:
A CD player for reproducing signals stored on CD-OK and video compact disks (VCD) includes a first controller for controlling CD-OK reproduction; a second controller for outputting audio and video data for CD-OK reproduction and a control signal for VCD reproduction; a decoder for restoring compressed video and audio data; a first storage for storing control data for processing CD-OK signals during CD-OK reproduction and for storing control data for processing VCD during VCD reproduction; a second storage for storing data for a still screen and superposed data of the CD-OK disk during CD-OK reproduction and for storing video and audio data during VCD reproduction; a first digital-to-analog converter for converting the CD-OK video data output from the second controller into an analog image signal; a second digital-to-analog converter for converting image data output from the decoder into an analog image signal; a first switch for selecting one of the image signals output from one of the digital-to-analog converters; a video encoder for converting the image signal output from the first switch into a composite image signal; and a second switch for selecting an audio output, thus integrating CD-OK and VCD reproduction circuits to reduce manufacturing costs for an integrated system.

REFERENCES:
patent: 5528570 (1996-06-01), Jondo
patent: 5535008 (1996-07-01), Yamagishi et al.

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