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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US394770827 Nov 197430 Mar 1976GTE Laboratories IncorporatedApparatus for and method of converting from a digital signal to an acoustic wave using a piezoelectric beam
US41952594 Apr 197825 Mar 1980Texas Instruments IncorporatedMultiprobe test system and method of using same
US421977121 Feb 197826 Aug 1980Texas Instruments IncorporatedFour-quadrant, multiprobe-edge sensor for semiconductor wafer probing
US427558616 Jan 197930 Jun 1981Robert Bosch GmbHOscillation sensor, particularly combustion engine knock sensor
US430501326 Jul 19798 Dec 1981Robert Bosch GmbHEngine knock sensor using piezoelectric rod oscillator
US44923607 Jun 19828 Jan 1985The Lee CompanyPiezoelectric valve
US540301716 Sep 19934 Apr 1995Unisys CorporationTarget lifter with impact sensing
US61646219 Jul 199926 Dec 2000Deka Products Limited PartnershipSimplified piezoelectric valve
US672413023 Oct 200020 Apr 2004The United States of America as represented by the Administrator of the National Aeronautics and Space AdministrationMembrane position control
US81898516 Mar 200929 May 2012EMO Labs, Inc.Optically clear diaphragm for an acoustic transducer and method for making same