Patent · US Expired

Coupled resonator phase shift oscillator

US4760352A · kind A · utility

9Cited by
4References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 4, 1987
Grant dateJul 26, 1988
Priority date
Expiry dateSep 4, 2007

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH03B5/326
  • WIPO fieldBasic communication processes
  • WIPO sectorElectrical engineering

Abstract

A phase shift oscillator formed with a surface acoustic wave coupled resonator in series with an amplifier and wherein the coupled resonator has a substantially 180.degree. phase shift occurring between the 3dB points of the frequency response curve of the coupled resonator.

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