Threshold tracking system

Details Threshold tracking system Threshold tracking system

1988-01-12

1989-06-06

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Head amplifier circuit

360 40, G11B 509

Patent

active

048376426

ABSTRACT:
A decoder system for decoding signals such as Class IV partial-response signals. In the decoder system, threshold levels are used to distinguish between binary ones and zeros in partial-response signals. The threshold levels are adjusted by a feedback system to automatically compensate for effects such as signal dropouts.

REFERENCES:
patent: 3214700 (1986-10-01), Hook
patent: 3478255 (1966-09-01), Parker et al.
patent: 3534273 (1967-12-01), Thomas
patent: 3660821 (1972-05-01), Weber et al.
patent: 4399474 (1983-08-01), Coleman
patent: 4475210 (1984-10-01), Couch
IBM Technical Disclosure Bulletin, vol. 20, No. 2 (Jul., 1977), entitled "Data Demodulator Circuit Arrangement".

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