Tuning fork formed of rolled invariable elasticity material

Details Tuning fork formed of rolled invariable elasticity material Tuning fork formed of rolled invariable elasticity material

1978-04-03

1980-03-11

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310 25, H01L 4110

Patent

active

041930088

ABSTRACT:
A tuning fork and a manufacturing method thereof which is obtained by punching and folding a material of invariable elasticity. The material is formed in the shape of a plate and processed through a rolling operation, wherein the plate is punched into an approximately V-shape such that the folding line appears at a right angle with respect to the rolling direction of the plate. A piezoelectric element serving as an electrical mechanical conversion device is provided on a vibrating portion.

REFERENCES:
patent: 3782209 (1974-01-01), Favre
patent: 3797224 (1974-03-01), Favre

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