Information recording and reproducing apparatus

Details Information recording and reproducing apparatus Information recording and reproducing apparatus

1994-07-15

1996-03-12

Neyzari, Ali

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369116, 369 54, 369 58, G11B 700

Patent

active

054992273

ABSTRACT:
A recording pulse circuit first divides a recording pulse into multiple pulses in accordance with a recording reference clock signal to generate a short-pulse group. The recording pulse circuit then connects a preset number of pulses of the short-pulse group beginning with a top one of the pulses of the short-pulse group to form a top long pulse. Finally, the recording pulse circuit shifts the positions of the front edge and the rear edge of the top long pulse by a designated time, and outputs the shifted top long pulse and the following pulses of the short-pulse group as recording pulses to a semiconductor laser drive circuit.

REFERENCES:
patent: 5150351 (1992-09-01), Ohno et al.
patent: 5305297 (1994-04-01), Nishiuchi et al.

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