Telephone handset with electrostatic discharge prevention

Details Telephone handset with electrostatic discharge prevention Telephone handset with electrostatic discharge prevention

1989-06-29

1991-11-19

Ng, Jin F.

Telephonic communications

Terminal

Housing or housing component

379438, 379428, H04M 100

Patent

active

050671510

ABSTRACT:
A telephone set includes a base and a handset which are interconnected by a cord terminated in a modular plug and jack, at least on the handset end of the cord. The plug is recessed far enough in the handset to preclude an electrostatic coupling between a human hand holding the handset and the plug and jack. Also, the recessing is far enough to keep the plug from becoming dislodged from the jack by an accidental movement of a locking leaf spring or plug associated with said plug.

REFERENCES:
patent: 3444329 (1969-05-01), Krumreich
patent: 3643205 (1972-02-01), Elkins
patent: 4124785 (1978-11-01), Seretny et al.
patent: 4284855 (1981-08-01), Adams et al.
patent: 4291202 (1981-09-01), Adams et al.
patent: 4319095 (1982-03-01), Cogan
patent: 4675903 (1987-06-01), Gulezian et al.
patent: 4712236 (1987-12-01), Brown et al.
patent: 4803724 (1989-02-01), Utoh et al.

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