Light source system

Details Light source system Light source system

2008-12-12

2011-11-29

Choi, Jacob Y (Department: 2821)

Electric lamp and discharge devices: systems

With radiant energy sensitive control means

Radiant energy controlled regulation of the current supply...

C315S149000, C315S291000, C315S312000, C345S102000

Reexamination Certificate

active

08067894

ABSTRACT:
A light source system capable of controlling a light emission amount of a light source section more accurately while keeping manufacturing costs low is provided. The light source system includes a light source, a light-sensing device detecting light from the light source, a calculation means, and a light source control means. The calculation means calculates a net light amount by subtracting a measurement environment component from a light amount detected by the light-sensing device. The measurement environment component is independent of a lighting state in the light source. The light source control means controls the light source on the basis of the net light amount obtained by the calculation means.

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patent: 6490037 (2002-12-01), Schmitt
patent: 7002546 (2006-02-01), Stuppi et al.
patent: 7510300 (2009-03-01), Iwauchi et al.
patent: 7863829 (2011-01-01), Sayers et al.
patent: 2001-142409 (2001-05-01), None
patent: 2005-302737 (2005-10-01), None

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