Telephone subscriber line circuit

Details Telephone subscriber line circuit Telephone subscriber line circuit

H - Electricity

04

Q

323/4, 379/63

H04Q 1/28 (2006.01) H04M 19/00 (2006.01)

Patent

CA 1088685

TELEPHONE SUBSCRIBER LINE CIRCUIT Abstract of the Disclosure The present invention relates to a current supply circuit for use with an electrical load. The supply is comprised of a transformer having a primary winding and a secondary winding. The secondary winding is connectable to the electrical load. A switching device is connected to the primary winding for controlling current flow in the primary winding. First and second sense windings are magnetically coupled to said transformer for controlling the switching device.

291541

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