Patent · US Expired

Channel frequency analyser

US4128808A · kind A · utility

7Cited by
7References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 4, 1976
Grant dateDec 5, 1978
Priority date
Expiry dateNov 4, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R23/02
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The percentage deviation of citizen band transmitter channel frequencies from the standard channel frequencies is determined by counting the difference between the number of cycles in the transmitted and standard frequencies during a period of 0.37 second, the number counted being mathematically related to the percentage deviation by the same factor for all channel frequencies.

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