Recording disk data playback apparatus

Details Recording disk data playback apparatus Recording disk data playback apparatus

1985-09-16

1988-02-09

McElheny, Jr., Donald

Facsimile and static presentation processing

Facsimile

Recording apparatus

358343, 358338, 369 49, 369 50, H04N 576, G11B 2736

Patent

active

047244925

ABSTRACT:
A recording disk playback apparatus capable of playback of recording disks having digitized audio data recorded thereon, (CDs), disks having digitized audio data together with audio and video data recorded by frequency modulation recorded thereon (LDDs), and disks having only video and audio data recorded by frequency modulation thereon, (LDs), is provided with means for discriminating the type of disk which is to be played and for producing signals indicating the disk type, for switching control purposes. The discrimination means will reliably distinguish between LDs and LDDs, even if these are of identical size.

REFERENCES:
patent: 4433347 (1984-02-01), Sugiyama et al.
patent: 4641204 (1987-02-01), Sugiyama

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