Small-sized piezoelectric resonator

Details Small-sized piezoelectric resonator Small-sized piezoelectric resonator

2006-08-01

2006-08-01

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

Reexamination Certificate

active

07084556

ABSTRACT:
The piezoelectric resonator according to the invention includes a tuning fork shaped part with two parallel vibrating arms, connected to each other by a linking part, from which protrude a central arm located between both vibrating arms of the tuning fork shaped part, wherein at least one groove is formed on at least one of a front side and a rear side of each vibrating arm.

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patent: 2004/0085163 (2004-05-01), Kikushima
patent: 2004/0145281 (2004-07-01), Kikuchi et al.
patent: 2005/0040737 (2005-02-01), Tanaya
patent: 2005/0062368 (2005-03-01), Hirasawa et al.
patent: 199 02 339 (1999-07-01), None
patent: 1 391 213 (1975-04-01), None

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