Title:
Compensated winding
United States Patent 2776417
US Patent References:
/0433702.html
- - 0433702

/1287982.html
- - 1287982

/1289418.html
- - 1289418

Impact tool
- - 1966446

Measurement of distances by echo reception methods
- - 2076330


Inventors:
Harris, Wilbur T.
Publication Date:
01/01/1957
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Assignee:
HARRIS TRANSDUCER CORP
Primary Class:
367/168
Other Classes:
336/69, 336/221, 336/155, 310/26, 336/92, 336/212, 336/220
International Classes:
H01F17/04
US Patent References:
2153571Vibratory system for the transmission and reception of sound waves
2249835Magnetostrictive vibrator
2496484Magnetostrictive phonograph pickup
2638577Transducer