Portable information device and charger therefor

Details Portable information device and charger therefor Portable information device and charger therefor

1997-01-29

1999-08-24

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For battery pack

320114, 320137, H02J 700

Patent

active

059428775

ABSTRACT:
A portable information device includes a portable main part having a clocking function, a source part which is detachably attachable to the main part and contains secondary batteries serving as a power source for the main part, and a charger which is separate from the main part and serves to charge the source part. The charger includes a clock part for setting time, and the information device is adapted to cause time data from the clock part to be transmitted to the source part when the source part is charged by the charger and, when the source part is attached to the main part, to transmit time data updated by the source part to the main part and to thereafter cause the main part to continue updating the time data.

REFERENCES:
patent: 5357492 (1994-10-01), Sagane
patent: 5537106 (1996-07-01), Mitsuhashi
patent: 5561712 (1996-10-01), Nishihara
patent: 5600711 (1997-02-01), Yuen
patent: 5677895 (1997-10-01), Mankovitz
patent: 5754029 (1998-05-01), Mann et al.
patent: 5777399 (1998-07-01), Shibuya

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