Light assembly

Details Light assembly Light assembly

1995-07-26

1998-07-21

Lazarus, Ira S.

Illumination

Self powered lamp

Rechargeable electrical source of with external connections

362800, 362276, F21S 900

Patent

active

057825521

ABSTRACT:
A light assembly comprising a light-emitting diode (LED), a rechargeable capacitor to energize the diode, and a solar cell to recharge the capacitor. Preferably, there is circuitry to enable charging of the capacitors and circuitry to enable use of the solar cell as a photosensor to selectively energize the LED when the ambient light is below a pre-determined level, and to stop energizing the LED when the ambient light is above a pre-determined level.

REFERENCES:
patent: 2700754 (1955-01-01), McCullough
patent: 3950844 (1976-04-01), Wisbey
patent: 4050834 (1977-09-01), Lee
patent: 4603496 (1986-08-01), Latz et al.
patent: 4634953 (1987-01-01), Shoji et al.
patent: 4843280 (1989-06-01), Lumbard et al.
patent: 4959603 (1990-09-01), Yamamoto et al.
patent: 5252893 (1993-10-01), Chacham et al.
patent: 5262756 (1993-11-01), Chien
patent: 5412381 (1995-05-01), Dicks

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