Industry Patents

Patent: 4745531

Lighting Device with All Parameters Adjustable Simultaneously in Particular for Use as a Stage Light

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Patent Number: 4745531 
Title: Lighting Device with All Parameters Adjustable Simultaneously in Particular for Use as a Stage Light 
Abstract: A lighting device comprises a light source adapted to produce a light beam. A reflective mirror is disposed behind the light source. The device also comprises a plurality of optical lenses and a plurality of colored filters. The light source comprises at least one filament and has at least one dimension greater than six millimeters in the direction in which the filament is disposed. The colored filters are movable and adapted to be inserted totally or partly into the path of the light beam. They are disposed on the opposite side of the plurality of optical lenses to the light source. An adjustable iris diaphragm is inserted between certain lenses of the plurality of lenses, on the path of the light beam.  
Country of Issue: US 
First Named Inventor: Leclercq 
Assignee: Cameleon 
Continuation or Divisional of:  
International Classification: F21V 13/12 
US Classification: 362/281 
Issue Date: 05-17-1988 
Filing Date: 05-29-1986 
Application : 868077 
Notes:  
Link to Patent at freepatentsonline.com: 4745531 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 4745531 at Google Patents 

 

1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.

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