Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent
1993-06-01
1994-11-22
Voeltz, Emanuel T.
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
363 16, 379400, 379413, H02M 114, H02M 3335
Patent
active
053674472
ABSTRACT:
A signal separation circuit for separating direct current power on a telephone with a transistor. A CPU, which includes an A/D converter, is connected to detect the emitter-collector voltage of the transistor, and to control the base current of the transistor to maintain the emitter-collector voltage constant.
REFERENCES:
patent: 4410766 (1983-10-01), Beirne
Kuroda Takashi
Sakuragi Satosi
Murata Mfg. Co. Ltd.
Voeltz Emanuel T.
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