Vibrating reed, vibrator, oscillator, and electronic device

Details Vibrating reed, vibrator, oscillator, and electronic device Vibrating reed, vibrator, oscillator, and electronic device

2005-05-24

2005-05-24

Nguyen, Minh (Department: 2816)

Oscillators

Electromechanical resonator

Vibrating reed or string type

C310S361000, C310S370000

Reexamination Certificate

active

06897737

ABSTRACT:
A vibrating reed which includes a base; and a vibration arm section formed so as to protrude from this base wherein a through groove is formed in the vibration arm section, and a rigidity reinforcing section is provided in the through groove, and thus the frequency is not decreased and the CI value is not increased.

REFERENCES:
patent: 4384232 (1983-05-01), Debely
patent: 4450378 (1984-05-01), Hermann et al.
patent: 4592663 (1986-06-01), EerNisse et al.
patent: 4721925 (1988-01-01), Farace et al.
patent: 4724351 (1988-02-01), EerNisse et al.
patent: 4785215 (1988-11-01), Blech
patent: 4873465 (1989-10-01), Bourgeois
patent: 5156460 (1992-10-01), Norling et al.
patent: 56065517 (1981-06-01), None
patent: 60-070808 (1985-04-01), None
patent: 11-023285 (1999-01-01), None

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