Self-powered switch initiation system

A self-powered switching device using a prestressed flextensional electroactive member generates a signal for activation of a latching relay. The electroactive member has a piezoelectric element with a convex and a concave face that may be compressed to generate an electrical pulse. The flextensiona...

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Bibliographische Detailangaben
Hauptverfasser:	THOMAS GREGORY P, FACE BRADBURY R, ROGERS GLENN F, BOYD CLARK DAVIS
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS BASIC ELECTRONIC CIRCUITRY CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES GENERATION PULSE TECHNIQUE RELAYS SELECTORS SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A self-powered switching device using a prestressed flextensional electroactive member generates a signal for activation of a latching relay. The electroactive member has a piezoelectric element with a convex and a concave face that may be compressed to generate an electrical pulse. The flextensional electroactive member and associated signal generation circuitry can be hardwired directly to the latching relay or may be coupled to a transmitter for sending an RF signal to a receiver which actuates the latching relay.