Tuned vibrating reed selective circuit
United States Patent 2630482

Inventors:
Bostwick, Lee G.
Publication Date:
03/03/1953
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Assignee:
BELL TELEPHONE LABOR INC
Primary Class:
340/825.390
Other Classes:
333/200, 331/140, 330/143, 327/98, 331/156, 331/183
International Classes:
H03B5/30
US Patent References:
2148578Signaling system
2410076Negative impedance circuit
2437315Means for supplying pulses of modulated current
2457149Selective signaling circuit
2478361Station selector system
Foreign References:
GB576719A