Dynamic information storage or retrieval – Binary pulse train information signal – Binary signal gain processing
Patent
1991-01-25
1992-01-28
Richardson, Robert L.
Dynamic information storage or retrieval
Binary pulse train information signal
Binary signal gain processing
358342, 369 331, 369 39, H04N 576, G11B 700
Patent
active
050848526
ABSTRACT:
An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are discretely variable in accordance with a succession of multi-bit binary code blocks.
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Sony Es Review 1979, vol. 34 (Annex 1), English translation (Annex 1A).
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Annex 4: Japanese newspaper--Oct. 6, 1978.
Annex 5: Japanese newspaper--Oct. 6, 1978.
Annex 6: extracted copy of "Stero Technic" of Japanese Magazine, Dec. 1978.
Annex 7: "PCM Audio Disc System", published on Electronics of Japanese magazine, p. 1219, Dec. 1978.
Annex 8: DAD-1X, Sony brochure.
Annex 9: extracted copy of Billboard, Nov. 18, 1978.
Annex 10: Sony Es Review, vol. 34, 1979.
Annex 11: English translation of Japanese article "PCM Audio Disc (Record) Player", on Television Society, pp. 1-21.
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"Pulse Interval and Width Modulation for Video Transmission", Sato et al., IEEE Transactions on Cable Television, vol. CATV-3, No. 4, Oct. 1978, pp. 165-173.
Discovision Associates
Richardson Robert L.
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