Projector lamp unit with air and light leakage prevention

Details Projector lamp unit with air and light leakage prevention Projector lamp unit with air and light leakage prevention

2007-04-11

2010-10-26

Luu, Thanh X (Department: 2878)

Optics: image projectors

Housing

C362S362000

Reexamination Certificate

active

07819536

ABSTRACT:
With this projector, by forming in a lamp casing an aperture, for leading out a wire connected to an electrode terminal of a lamp, near that electrode terminal, and by fitting an insulating member which has an opening portion for leading out this wire, and a lid member which covers this opening portion, to this wire lead out aperture, even though the lamp casing is made from metal, still it is possible to ensure adequate clearances and creepage distances between the electrode terminal and the lamp casing. Furthermore it is possible to prevent light, or air which has been heated up, from leaking out from the wire lead out aperture.

REFERENCES:
patent: 6731076 (2004-05-01), Gerhard et al.
patent: 2006/0001844 (2006-01-01), Fukuda et al.
patent: 2008333 (1979-05-01), None
patent: 08264110 (1996-10-01), None
patent: 2000047327 (2000-02-01), None
patent: 2004-012827 (2004-01-01), None

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