Security handset

Telephonic communications – Terminal – Switch or switch actuator structure

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Details

379433, H04M 119

Patent

active

048378194

ABSTRACT:
A security device for use with a telephone handset having a microphone and an ear transducer is disclosed. It is adapted to prevent eavesdropping while the handset is in an on-hook position. The security device is comprised of switching means disposed in the handset adapted to disable the transducers. The switching means is switched to a first state when the handset is placed within a first predetermined orientation corresponding to a secure mode and is switched to a second state when the handset is placed within a second predetermined orientation corresponding to an operative mode.

REFERENCES:
patent: 2485574 (1949-10-01), Deakin
patent: 3715514 (1973-02-01), Bell, Jr.
patent: 3997737 (1976-12-01), Watkins
patent: 4504701 (1985-03-01), Lucchesi
patent: 4675901 (1987-06-01), Smith et al.
patent: 4691336 (1987-09-01), Durston

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