Automatic positive telephone disconnect system

Details Automatic positive telephone disconnect system Automatic positive telephone disconnect system

H - Electricity

04

M

379/12

H04M 1/00 (2006.01) H04M 1/68 (2006.01) H04M 1/82 (2006.01)

Patent

CA 1296116

ABSTRACT The invention represents an automatic positive disconnect circuit for controlling the connection of a communication device having two signal conducting lines and sensing means for indicating the mode of said communication device. The circuit is designed to positively disconnect the first and second lines of the communication device when the latter is in the non-operating mode, to filter selected frequencies when in the operating mode, and to permit said communication device to otherwise operate in a normal manner whenever a call is received or a call is initiated.

582133

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