Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Electric switch controlled by the radiant energy responsive...
Patent
1993-11-05
1995-09-26
Neyzari, Ali
Electric lamp and discharge devices: systems
With radiant energy sensitive control means
Electric switch controlled by the radiant energy responsive...
315154, 362800, H05B 4136
Patent
active
054536634
ABSTRACT:
A lighting apparatus has a secondary battery, at least two light emitters connected in parallel with each other, first switches, and second switches. When the first switches are each ON, i.e., closed and the second switches are each OFF, i.e., open, the light emitters are connected in parallel with each other and in series with the secondary battery. When the first switches are each OFF and the second switches are each ON, the light emitters and secondary battery are connected in series.
REFERENCES:
patent: 4686425 (1987-08-01), Havel
Kabushiki Kaisha Toshiba
Neyzari Ali
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