Patent · US Expired

Resonant frequency-temperature characteristics compensable high frequency circuit elemental device

US5087902A · kind A · utility

1Cited by
9References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1990
Grant dateFeb 11, 1992
Priority date
Expiry dateMay 30, 2010

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01P7/10
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A high frequency circuit elemental device comprising a casing and a dielectric ceramic mounted in said casing, such as oscillators, said dielectric ceramic being capable of undergoing order-disorder structural transformation, whereby the temperature coefficient of the resonant frequency of said elemental device can be compensated by heat-treatment of the dielectric ceramic.

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