Piezoelectric vibrator with an improved supporting structure

Details Piezoelectric vibrator with an improved supporting structure Piezoelectric vibrator with an improved supporting structure

1995-07-19

1996-12-10

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Signal transducers

Receivers

H04R 1100

Patent

active

055838294

ABSTRACT:
A piezoelectric vibrator comprises a piezoelectric element having a rectangular shape and being provided with at least one input electrode from which an input lead extends and at least one output electrode from which an output lead extends; and a case having a rectangle-like shape for accommodating the piezoelectric element and having at least through holes through which the input and output leads penetrate thereby the leads project to an exterior of the case. The through holes have a size larger than a size of the leads to create a clearance between the leads and inner walls of the through holes so as to allow the leads to show a displacement or a vibration due to the vibration of the piezoelectric element. The case has a size larger than a size of the piezoelectric element for forming gaps between the piezoelectric element and the case to allow the piezoelectric element to be freely vibrate, the piezoelectric element being merely placed on a bottom of the case but not fixed nor adhered thereon to allow the piezoelectric element to be freely vibrated.

REFERENCES:
patent: 2247627 (1941-07-01), Atwood et al.
patent: 2284088 (1942-05-01), Gerber
patent: 3721841 (1973-03-01), Wilson
patent: 4109757 (1978-08-01), Hebberd

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