1976-08-11
1977-11-15
Cooper, William C.
H04M 119
Patent
active
040586901
ABSTRACT:
Improved transmitter cut-off device for use in conventional hand-held telephone transmitter-receiver units, such units including a transmitter having a pair of transmitter contacts, a transmitter housing having a corresponding pair of spring contacts upon which the transmitter contacts are normally seated, and a main body having a recess in which the transmitter housing is disposed. Cut-off device includes a transmitter cap which fits over the transmitter and is removably securable to the main body, the cap having a guideway therein, the interior of the cap having a support surface located opposite the guideway, and a switch, the switch extending through the guideway and being affixed directly to the body of the transmitter, the switch being movable between a first position in which the transmitter contacts are secured in electrical conducting relation with their corresponding spring contacts and a second position in which at least one of said transmitter contacts is removed from its corresponding spring contact.
REFERENCES:
patent: 3474196 (1969-10-01), Bottos
patent: 3504138 (1970-03-01), Bottos
patent: 3518380 (1970-06-01), Brennan et al.
patent: 3588387 (1971-06-01), Smith
patent: 3688040 (1972-08-01), Goodrich
patent: 3699270 (1972-10-01), Goodrich
patent: 3731010 (1973-05-01), Goodrich
patent: 3748410 (1973-07-01), Gabarini et al.
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