Optical device and projector

Details Optical device and projector Optical device and projector

2007-03-20

2007-03-20

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Temperature control

Liquid coolant

C353S061000

Reexamination Certificate

active

11047754

ABSTRACT:
An optical device (44) includes: a optical modulator holder (4402) that has inside thereof a cooling chamber in which a cooling fluid is encapsulated, and holds a optical modulator in such a manner that heat can be transferred between the optical modulator holder and the cooling fluid within the cooling chamber; a plurality of fluid circulation members (448) that are connected to the cooling chamber of the optical modulator holder (4402) for mutual communication to guide the cooling fluid outside the cooling chamber and guide the cooling fluid inside the cooling chamber, again; and a main tank (445) that is arranged in the flow path of the cooling fluid in the plurality of fluid circulation members (448) and accumulates the cooling fluid. The main tank (445) has a cooling fluid inlet section for allowing the main tank (445) to be replenished with the cooling fluid.

REFERENCES:
patent: 6991335 (2006-01-01), Kondo et al.
patent: 2005/0168703 (2005-08-01), Fujimori et al.
patent: 01-159684 (1989-06-01), None
patent: 03-174134 (1991-07-01), None
patent: 2003-233441 (2003-08-01), None

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