Optics: image projectors – Housing
Patent
1996-10-24
1998-03-03
Dowling, William
Optics: image projectors
Housing
353 57, G03B 2114
Patent
active
057227535
ABSTRACT:
There is disclosed a liquid-crystal projection apparatus having a lamp device which has such a sealed or closed construction that a sound, produced upon bursting of a light-emitting tube, is suppressed and that the scattering of glass pieces is prevented. In this liquid-crystal projection apparatus, a lamp is sealed by a support member, supporting a concave mirror having two notches and an outer casing and a flat glass panel and an air passage is formed in the support member. The lamp is releasably attached to a lamp fixing member and two open portions are formed in this lamp fixing member and a cooling fan is fixedly connected to one of the two open portions.
REFERENCES:
patent: 3642361 (1972-02-01), Steu
patent: 4787737 (1988-11-01), Ogawa et al.
patent: 4925295 (1990-05-01), Ogawa et al.
patent: 5418586 (1995-05-01), Fujimori et al.
Aruga Shigeru
Ioki Tsuguhide
Maeda Yaoki
Ohira Tadashi
Okada Takehiro
Dowling William
Matsushita Electric - Industrial Co., Ltd.
LandOfFree
Lamp device of liquid-crystal projection apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Lamp device of liquid-crystal projection apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lamp device of liquid-crystal projection apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2243267