Patent · US Expired

Servo system for trip recorder

US4063142A · kind A · utility

4Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1975
Grant dateDec 13, 1977
Priority date
Expiry dateMay 16, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05D3/1472
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The output of an operational amplifier is connected to a bridge having as its diagonal two push-pull, complementary-symmetry, output stages, the servo motor being connected between the emitters junction of the one stage and the emitters junction of the other stage.

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