Patent · US Expired

Read channel for magnetic recording

US4774601A · kind A · utility

20Cited by
1References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 1986
Grant dateSep 27, 1988
Priority date
Expiry dateDec 10, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B20/10
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In a read channel for magnetic recording used to reproduce information recorded on a magnetic recording medium, a signal reproduced from a magnetic head and a differentiated signal of the reproduction signal are ORed together to produce a gate signal. By using the gate signal, the information can be reproduced correctly.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.