Patent · US Expired

Magnetic film sensor

US4136370A · kind A · utility

2Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 21, 1977
Grant dateJan 23, 1979
Priority date
Expiry dateSep 21, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/335
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In a magnetic head of the type having a thin film magnetically-coated electrically-conductive wire bridging the windowed back section of the head, excitation currents are applied to the wire within the windowed head section.

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