Recorded signal detection apparatus

Details Recorded signal detection apparatus Recorded signal detection apparatus

1996-11-13

1998-02-24

Huber, Paul W.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369 58, G11B 509

Patent

active

057217190

ABSTRACT:
A recorded signal detection apparatus detects information recorded on an information recording medium in the form of a digital signal so as to prevent a detection error caused by defects without lowering the detection sensitivity to information pits. In the recorded signal detection apparatus, any change in a binary signal reproduced from the recording medium is detected, and when the binary signal changes a plurality of number of times within a predetermined period of time, a detection signal of a recorded information signal is output.

REFERENCES:
patent: 5229985 (1993-07-01), Oshiba
patent: 5233593 (1993-08-01), Ha
patent: 5309420 (1994-05-01), Jaquette et al.

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