Patent · US Expired

Battery powered police radar warning receiver

US5049884A · kind A · utility

24Cited by
55References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 1990
Grant dateSep 17, 1991
Priority date
Expiry dateOct 10, 2010

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01S7/022
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

In a police radar warning receiver with a self-contained battery source of supply, battery life may be prolonged by duty cycling the RF front end circuitry of the receiver and, especially, the swept oscillator thereof at a duty cycle rate not greater than 25% with the circuitry being energized not more than once every approximately one-half second.

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