Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and apparatus for implementing four-frequency measuring process for coupled-dual resonator crystals using both resonator ports

Method and apparatus for implementing four-frequency measuring process for coupled-dual resonator crystals using both resonator ports

US Patent 5047726 · Granted Sep 10, 1991

Estimated economic value: $1,735,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

System and method for resource fulfilment prediction2025
Radio frequency tracking filter2002
Architecture and frequency plan for a UHF portable radio2001
Modular chair and method1998
Method for measuring selected frequencies of a coupled-dual resonator crystal1997
Method for measuring the inductance of each resonator of a coupled-dual resonato1996
Attachment for surface-mounting a resonator crystal on a circuit board1993
Chair mechanism1993
Switching arrangement method and apparatus for making parameter measurement and 1992
Method and apparatus for parameter measurement of coupled-dual resonator crystal1991
Monolithic crystal filter with wide bandwidth and method of making same1989
Coupled-dual resonator crystal1989