Optical recording apparatus

Details Optical recording apparatus Optical recording apparatus

1981-10-30

1984-01-10

Richardson, Robert L.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

358342, 358347, 369128, 369109, G11B 700, H04N 5781

Patent

active

044256370

ABSTRACT:
An optical recording apparatus for recording digital signals controls the pulse length of the recorded signals by delaying either the positive-going edges or the negative-going edges of the digital signals. The edges are delayed by either a logical AND or a logical OR operation between an original digital signal and a delayed signal or between an original digital signal and an output signal from a monostable multivibrator which has been triggered by an edge of the original digital signal.

REFERENCES:
patent: 3988531 (1976-10-01), Laub
patent: 3988532 (1976-10-01), Korpel
patent: 4222072 (1980-09-01), Bailey et al.

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