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US 4,288,735 AGranted
Vibrating electret reed voltage generator
AssigneeMcDonnell Douglas Corporation
InventorRoger C. Crites
Life of this patent
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Abstract
A vibrating electret reed voltage generator. The reed vibration is induced by fluid pressure supplied to the reed chamber and controlled through a fluid oscillating circuit.
Claims10
A vibrating electret reed voltage generator, comprising:
- a flexible electret reed supported at one distal end and having first and second opposing major surfaces;
- a high voltage electrode formed by coating said first major surface of said electret reed with a thin conductive coating;
- a ground electrode spaced opposite said second major surface of said electret reed so that said second major surface contacts said ground electrode at full amplitude of the vibratory excursion of said electret reed;
- a high voltage terminal connected to said high voltage electrode;
- a ground terminal connected to said ground electrode;
- and
- means to vibrate said electret reed whereby electrical power is produced with each vibratory cycle of said electret reed.
4 more elements
Dependencies are inferred from the claim text.