Assignee
FREQUENCY ELECTRONICS INC
US·8 granted patents·179 citations·filing 1985–2005
Top patents by PatentIndex Score
8 records- 0189US7106143B2Method for achieving highly reproducible acceleration insensitive quartz crystal oscillatorsFREQUENCY ELECTRONICS INC·Filed 2005·Granted Sep 12, 2006·26 cites·24 claims
- 0283US4748367AContact heater for piezoelectric effect resonator crystalFREQUENCY ELECTRONICS INC·Filed 1985·Granted May 31, 1988·39 cites·8 claims
- 0371US4701661APiezoelectric resonators having a lateral field excited SC cut quartz crystal elementFREQUENCY ELECTRONICS INC·Filed 1985·Granted Oct 20, 1987·25 cites·18 claims
- 0470US5160901AMultimode crystal oscillatorFREQUENCY ELECTRONICS INC·Filed 1990·Granted Nov 3, 1992·35 cites·16 claims
- 0559US6577201B2Precision oven-controlled crystal oscillatorFREQUENCY ELECTRONICS INC·Filed 2001·Granted Jun 10, 2003·11 cites·20 claims
- 0659US5309116AMultimode crystal oscillatorFREQUENCY ELECTRONICS INC·Filed 1992·Granted May 3, 1994·21 cites·15 claims
- 0743US5107226AAtomic frequency standard using optical pumping for state preparation and magnetic state selection of atomsFREQUENCY ELECTRONICS INC·Filed 1991·Granted Apr 21, 1992·19 cites·19 claims
- 0839US6753737B2Precision oven-controlled crystal oscillatorFREQUENCY ELECTRONICS INC·Filed 2003·Granted Jun 22, 2004·3 cites·25 claims
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