Piezoelectric acousto-electric generator
Patent 4467236 Issued on August 21, 1984. Estimated Expiration Date: 
August 21, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 21, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorsAssigneeApplicationNo. 06/222649 filed on 01/05/1981US Classes:310/321, Combined with resonant structure310/329, Including inertia type operator310/330, Bending type310/331, Plural elements310/339Voltage, spark or current generatorExaminersPrimary: Budd, Mark O.Attorney, Agent or FirmInternational ClassH01L 41/113 (20060101)AbstractA piezoelectric generator for converting acoustic energy in a predetermined frequency range to electric energy including: a piezoelectric bending element; means for mounting the piezoelectric bending element in an acoustic energy path; tuning means mounted to the piezoelectric bending element to set the resonant frequency of oscillation of the piezoelectric bending element within the predetermined frequency range. | |
