Industry Patents

Patent: 8408755

Stage Lighting Fixture and Method of Operating a Stage Lighting Fixture

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Patent Number: 8408755 
Title: Stage Lighting Fixture and Method of Operating a Stage Lighting Fixture 
Abstract:

A stage lighting fixture has a casing having a closed first end and an open second end; a light source housed inside the casing, close to the first end, to emit a light beam along an optical axis oriented longitudinally with respect to the casing; an objective optical system located along the optical axis, at the second end of the casing, and having a focus position; a circular-aperture diaphragm located along the optical axis, between the light source and the objective optical system, to intercept the beam; and an iris diaphragm located along the optical axis, between the light source and the objective optical system, and which can be set to the focus position.  

Country of Issue: US 
First Named Inventor: Quadri, Cavenati 
Assignee: Clay Paky 
Continuation or Divisional of:  
International Classification: F21V 9/00 
US Classification: 362/321 
Issue Date: 04-02-2013 
Filing Date: 09-08-2010 
Application : 12/877607 
Notes:  
Link to Patent at freepatentsonline.com: 8408755 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 8408755 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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