H - Electricity – 04 – N
Patent
H - Electricity
04
N
352/32.1
H04N 5/76 (2006.01) G11B 7/00 (2006.01) G11B 20/14 (2006.01) G11B 27/10 (2006.01) G11B 27/30 (2006.01) H04N 5/92 (2006.01) H04N 5/926 (2006.01)
Patent
CA 1147858
SYSTEM FOR RECORDING DIGITAL INFORMATION IN A PULSE-LENGTH MODULATION FORMAT ABSTRACT OF THE DISCLOSURE 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.
376980
Discovision Associates
Gowling Lafleur Henderson Llp
LandOfFree
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