PROJECTION DEVICE Russian patent published in 2015 - IPC G03B21/16 H04N9/31

Abstract RU 2548616 C2

FIELD: electricity.

SUBSTANCE: device includes lamp, cooling device intended for cooling of light source, section for lighting control and section for cooling control. The cooling control section control cooling device in compliance with values of electric energy supplied to the light source.

EFFECT: preventing accumulation of darkening.

8 cl, 8 dwg

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RU 2 548 616 C2

Authors

Terasima Tetsuo

Khino Sjunsuke

Dates

2015-04-20—Published

2011-12-19—Filed