Accelerometer
United States Patent 2808522
US Patent References:
Piezoelectric crystal mirror system for sound recording
- - 2137188

Crystal holder
- - 2496293

Ceramic transducer element
- - 2640165

Accelerometer
- - 2682003


Inventors:
Dranetz, Abraham I.
Publication Date:
10/01/1957
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Assignee:
GULTON IND INC
Primary Class:
310/326
Other Classes:
310/329
International Classes:
G01P15/09
Foreign References:
DE747008C