Transducer element and method of making same
United States Patent 2614144
US Patent References:
Piezo-electric device
- - 1803274
Method of making high grade dielectric materials
- - 1886234
Method of manufacturing thin dielectric materials for high potential work
- - 1997263
Piezoelectric device
- - 2373445
Dielectric material and method of making same
- - 2434079
Piezo-electric device
- - 1803274
Method of making high grade dielectric materials
- - 1886234
Method of manufacturing thin dielectric materials for high potential work
- - 1997263
Piezoelectric device
- - 2373445
Dielectric material and method of making same
- - 2434079
Inventors:
Howatt, Glenn N.
Publication Date:
10/14/1952
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Assignee:
GULTON MFG CORP
Primary Class:
Other Classes:
333/186, 310/348, 310/331, 381/173, 600/528, 252/62.90R, 600/534, 310/358, 29/25.350
International Classes:
H04R17/00
US Patent References: