Laser projector having temperature control

Details Laser projector having temperature control Laser projector having temperature control

2007-07-17

2007-07-17

Perkey, W. B. (Department: 2851)

Optics: image projectors

Temperature control

C353S056000, C353S057000, C353S058000, C353S060000, C353S061000, C348S748000, C372S034000

Reexamination Certificate

active

10961599

ABSTRACT:
A laser projector including a cooling system having an internal wall dividing the housing into a first compartment containing the optical components and a second compartment containing the electrical components, wherein the internal wall has a first face receiving the optical components and a second face receiving the electrical components thermally isolated from the first face. The internal wall includes a cooling channel and a fan directs air through the channel to maintain the optical components below a maximum operating temperature. The internal wall in one disclosed embodiment includes two parallel wall members each having a plurality of parallel channels, a thermoelectric cooling element located on the wall adjacent the first compartment, a sensor is located in the first compartment and a control maintains a temperature below ambient in the first chamber.

REFERENCES:
patent: 5901167 (1999-05-01), Sukhman et al.
patent: 6547397 (2003-04-01), Kaufman et al.
patent: 2003/0133487 (2003-07-01), Vogler

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