Piezoelectric switch using piezoceramic bending elements and...

Details Piezoelectric switch using piezoceramic bending elements and... Piezoelectric switch using piezoceramic bending elements and...

H - Electricity

01

H

306/10

H01H 57/00 (2006.01)

Patent

CA 1158288

PIEZOELECTRIC SWITCH USING PIEZOCERAMIC BENDING ELEMENTS, AND IN PARTICULAR A RELAY UTILIZING SUCH ELEMENTS Abstract of the Disclosure A piezoceramic device has two layers of piezoceramic material bonded together, the layers polarized in opposite directions. The device is used to detect, and indicate, a change of voltage between two conductors and specifically is used between the tip and ring lines of a telephone line having more than one extension, to give a line status indication. - i -

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