Portable radiotelephone with control switch disabling

Details Portable radiotelephone with control switch disabling Portable radiotelephone with control switch disabling

1988-06-13

1989-07-04

Lev, Robert

Telephonic communications

Audio message storage, retrieval, or synthesis

379433, 455 90, H01Q 704

Patent

active

048457728

ABSTRACT:
A portable radiotelephone with control switch disabling is disclosed. A flip element which contains a microphone and covers a keypad and other control buttons when in a closed position also activates a hookswitch. When the hookswitch and microprocessor indicate that the flip element is in a closed position, the on/off switch cannot be activated to turn the portable radiotelephone on or off and switches which control volume level are deactivated.

REFERENCES:
patent: 3551607 (1970-12-01), Battista et al.
patent: 3705959 (1972-12-01), Swanson
patent: 3852541 (1974-12-01), Altenberger
patent: 3896270 (1975-07-01), Kopec et al.
patent: 4018998 (1977-04-01), Wegner
patent: 4471493 (1984-09-01), Schober
Realistic Owner's Manual: Duofone ET-415 Cordless Electronic Telephone; Cat. No. 43-555; 1984.
Panasonic KX-T3000 Easa-Phone Cordlessphone FCC Transmitter Type Acceptance Filing-Exhibits D, E, F, and H of Type Acceptance No. ACJ96NKX-T3000.

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