Lamp housing
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United States of America Patent
Stats
-
Jul 22, 2003
Grant Date -
Dec 26, 2002
app pub date -
Jun 21, 2001
filing date -
Jun 21, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An array of photo detectors or a ground glass is employed in concert with a beam-forming reflector to generate a positional error(s) as the light source is displaced from a reference location in the vertical plane. The beam is formed by means of a small hole through the reflector on its optical axis. These error signals are interpreted visually or introduced into electronic servo loops to mechanically drive the lamp assembly to an on-axis reference location. Provision is made to move the reflector along the optical axis to achieve co alignment of the reflected image of the arc source with its direct image.
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Cited Art Landscape
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