Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Patent
1998-03-27
2000-12-19
Edun, Muhammad
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
369 48, 369 59, G11B 700
Patent
active
061635154
ABSTRACT:
An optical disk writing control device for writing subcode Q data for each block on an optical disk, includes a subcode Q data register which stores subcode Q data set by a CPU, and a control unit which reads the subcode Q data from said subcode Q register, performs a predetermined calculation on predetermined data of the subcode Q data for each block, and outputs the predetermined data which has undergone the predetermined calculation and the remaining data of the subcode Q data for each block.
REFERENCES:
patent: 5177720 (1993-01-01), Kondo
patent: 5870366 (1999-02-01), Sako
J.R. Watkinson, "Subcodes explained, How control signals are combined with and separated from audio samples"; Electronics & Wireless World Sep. 1986.
Patent Abstract of Japan: 09091869 Sony Corp., vol. 097, No. 008, Aug. 29, 1997.
Edun Muhammad
Ricoh & Company, Ltd.
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