Patent · US Expired

Resistance read amplifier

US4020364A · kind A · utility

25Cited by
4References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 15, 1975
Grant dateApr 26, 1977
Priority date
Expiry dateSep 15, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B15/12
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Resistance read amplifier in which a resistor the resistance of which is to be determined is connected by an electronic selection switch to a constant-current source which at the same time switches an associated output amplifier into circuit.

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