H - Electricity – 04 – M
Patent
H - Electricity
04
M
379/63
H04M 19/00 (2006.01)
Patent
CA 1245382
BATTERY-FEED CIRCUIT FOR EXCHANGE ABSTRACT OF THE DISCLOSURE A compact battery-feed circuit for an exchange, including two feedback circuits provided for two wires, a dc feedback circuit for the dc voltage on the two wires and an ac feedback circuit for the ac voltage signal on the two wires.
498503
Kawami Shigeru
Masuda Nobuyuki
Sano Shigeo
Tabu Takashi
Fujitsu Limited
Mcfadden Fincham
LandOfFree
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