Patent · US Expired

Digital compass averaging circuit

US3975621A · kind A · utility

10Cited by
4References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 24, 1975
Grant dateAug 17, 1976
Priority date
Expiry dateFeb 24, 1995

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F7/62
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

For use with a remote reading magnetic compass a digital circuit for computing an output indication of compass heading to provide an output heading indication corrected for changes between successive compass readings. Compass heading is corrected in accordance with a weighted average value of the difference between successively read headings to provide an output which is representative of a true or weighted average heading and an output of the magnitude and sense of such difference.

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