Self-powered switch initiation system

Details Self-powered switch initiation system Self-powered switch initiation system

2006-08-01

2006-08-01

Edwards, Jr., Timothy (Department: 2612)

Electrical transmission or interconnection systems

Switching systems

Condition responsive

C307S119000, C310S311000, C310S318000

Reexamination Certificate

active

07084529

ABSTRACT:
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.

REFERENCES:
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patent: 6630894 (2003-10-01), Boyd et al.
patent: 6700310 (2004-03-01), Maue et al.
patent: 6812594 (2004-11-01), Face et al.
patent: 2003/0094856 (2003-05-01), Face et al.
patent: 2004/0174073 (2004-09-01), Face et al.
patent: 2005/0087019 (2005-04-01), Face

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