Contactless digital power transmission and reception system in a

Details Contactless digital power transmission and reception system in a Contactless digital power transmission and reception system in a

1991-12-24

1995-03-07

Kuntz, Curtis

Telephonic communications

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

Including fiber optic link within telephone network

379 55, 379 61, H04M 1100

Patent

active

053965388

ABSTRACT:
A contactless charging system of a radio telephone comprising a portable device and a base unit, for charging a battery of the portable device, without electrical contact, by induction voltage of an electromagnetic field formed by the inductive coupling of a digital power receiver of the portable device and a digital power transmitter of the base unit, when the portable device is placed in the base unit.

REFERENCES:
patent: 3919491 (1975-11-01), Luce
patent: 4550444 (1985-10-01), Uebel
patent: 4669109 (1987-05-01), L eCheviller et al.
patent: 4811421 (1989-03-01), Havel
patent: 5070500 (1991-12-01), Horinouchi et al.

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