Portable radio telephone with impulse movement or sound off-hook

Details Portable radio telephone with impulse movement or sound off-hook Portable radio telephone with impulse movement or sound off-hook

1993-11-24

1997-12-30

Kuntz, Curtis

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 61, 379 63, H04M 1100

Patent

active

057039313

ABSTRACT:
A portable radio telephone operating under the control of a microprocessor includes a disturbance sensitive switch sensitive to shock, movement or other physical disturbance or to a voice which causes the telephone to go "off-hook" if the telephone is disturbed during an incoming call. The user can thus answer an incoming call very quickly before the system times-out the call by gently striking or simply moving the telephone or talking or shouting to it even when the telephone is in a relatively inaccessible location. In a preferred embodiment the user is required to confirm the off-hook condition by pressing one of the keys on the telephone keypad. The telephone may continue ringing until the confirmatory keystroke has been effected.

REFERENCES:
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patent: 4737976 (1988-04-01), Borth
patent: 4827520 (1989-05-01), Zeinstra
patent: 4910761 (1990-03-01), Shimura
patent: 4945557 (1990-07-01), Kaneuchi et al.
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patent: 4962524 (1990-10-01), Murata
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patent: 5233644 (1993-08-01), Yamagata
patent: 5335276 (1994-08-01), Thompson
Patent Abstracts of Japan JP62003546, vol. 011171, Jun. 1987.
Patent Abstracts of Japan, JP60229432, vol. 010082, Apr. 1986.
Vox on p. 1131 of 1990's Newton's Telecom Dictionary.
Japanese Abstracts (JP62003546), vol. 011171, Jun. 1987.
(JPA 60229432), vol. 10082, Aopr. 1986.

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