Incandescent reflector heat lamp with uniform irradiance

Details Incandescent reflector heat lamp with uniform irradiance Incandescent reflector heat lamp with uniform irradiance

2007-03-27

2007-03-27

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

Reflector

C313S116000

Reexamination Certificate

active

10883078

ABSTRACT:
An infrared heat lamp has a reflector body closed by a lens and having a source of infrared radiation positioned within the body. The lens has a plurality of lenticules formed thereon to provide substantially uniform radiant intensity within a 50° cone on a planar surface spaced from the lens, the radiant intensity varying as the inverse of (cos β)2. In a preferred embodiment all of the lenticules have a parabolic shape.

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patent: 6086227 (2000-07-01), O'Connell et al.
patent: 6369492 (2002-04-01), Sugimoto

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