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Home › Projection type display apparatus having a controlling unit for controlling a rotation rate of the fan of a cooling unit with reference to information regarding lighting state of light sources

Projection type display apparatus having a controlling unit for controlling a rotation rate of the fan of a cooling unit with reference to information regarding lighting state of light sources

US Patent 8022348 · Granted Sep 20, 2011

Estimated economic value: $69,000 ⓘ

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