Wire tap detection device

Details Wire tap detection device Wire tap detection device

H - Electricity

04

M

379/8, 344/0.5

H04M 1/00 (2006.01) H04B 3/46 (2006.01)

Patent

CA 1291805

04988-2 GWH:jy ABSTRACT OF DISCLOSURE The device of the present invention discloses an electrical circuit which is electrically connected to a telephone line or data line between the telephone line or data line and the telephone set. In operation, the device continuously measures various electrical properties of the telephone or data line while a signal is passively generated on to the telephone or data line by simulating an on-hook to off-hook and back again condition of the telephone handset.

526661

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