Piezooscillator

Details Piezooscillator Piezooscillator

2007-12-04

2007-12-04

Dougherty, Thomas M. (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S348000

Reexamination Certificate

active

11501133

ABSTRACT:
A piezooscillator having a piezoelectric resonator, composed of: a case surrounding a space where the piezoelectric resonator is provided and including a substrate and a cover; a buffer material supporting the piezoelectric resonator and suppressing a shock conveyed from the case to the piezoelectric resonator; and a wiring member electrically connecting the piezoelectric resonator and the substrate and having flexibility, or composed of: a case surrounding a space where the piezoelectric resonator is provided and including a first substrate and a cover; a second substrate mounting the piezoelectric resonator thereon; a buffer material supporting the second substrate and suppressing a shock conveyed from the case to the piezoelectric resonator; and a wiring member electrically connecting the first and second substrates and having flexibility, in which, when the case suffers the shock from outside, the buffer material absorbs the shock to prevent the shock conveyance to the piezoelectric resonator and frequency variation arising in the piezooscillator, realizing shock-resistance improvement, is provided.

REFERENCES:
patent: 4940914 (1990-07-01), Mizuno et al.
patent: 7015627 (2006-03-01), Serizawa
patent: 62-281434 (1987-12-01), None
patent: 02-010858 (1990-01-01), None
patent: 4-117910 (1992-04-01), None
patent: 07-218758 (1995-08-01), None
patent: 2003-141866 (2003-05-01), None
patent: WO-2003-019690 (2003-03-01), None

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