Rechargeable light curing apparatus

Details Rechargeable light curing apparatus Rechargeable light curing apparatus

1993-04-02

1995-11-28

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 35, 433141, H01M 1046, H01M 1048

Patent

active

054711290

ABSTRACT:
A rechargeable light curing apparatus having at least one hand-operated device with a handle and an on/off switch and a recharging unit to which said hand operated device can be mechanically and electrically coupled. The hand-operated device has a battery pack with at least one accumulator and an electrical contact for recharging the battery pack. A lamp is connected to the battery pack and emits light at a defined light emission state when switched on by the on/off switch. Light conducting elements are positioned in the vicinity of the lamp for receiving and conducting the emitted light. A capacity measuring circuit is connected between the battery pack and the lamp for determining a remaining operating period of the battery pack before a recharging of the battery pack is required.

REFERENCES:
patent: 3109238 (1963-11-01), Marks
patent: 3509629 (1970-05-01), Kidokoro et al.
patent: 4380726 (1983-04-01), Sado et al.
patent: 4455523 (1984-06-01), Koenck
patent: 4698579 (1987-10-01), Richter et al.
patent: 4829225 (1989-05-01), Podrazhansky et al.
patent: 5098292 (1992-03-01), Lazarof
patent: 5233283 (1993-08-01), Kennedy
Cannon Video Accesory Brochure 1987, "CR-E7, Charge Coupler".

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