Industry Patents

Patent: 7322706

Device For Adjusting Light Intensity For Discharge Lamp Projectors

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Patent Number: 7322706 
Title: Device For Adjusting Light Intensity For Discharge Lamp Projectors 
Abstract: The invention relates to a device for adjusting light intensity for discharge lamp projectors with an optical assembly that contains a spherical mirror and a discharge lamp, and a Fresnel lens provided in front of the lamp of the optical assembly. The device is characterized in that an iris diaphragm (5) is provided on the optical assembly, in front of the lamp, in correspondence with the focus of the optical assembly.  
Country of Issue: US 
First Named Inventor: De Sisti, De Sisti 
Assignee: De Sisti Lighting 
Continuation or Divisional of:  
International Classification: G03B 21/14 
US Classification: 353/97 
Issue Date: 01-29-2008 
Filing Date: 05-27-2004 
Application : 10/854225 
Notes:  
Link to Patent at freepatentsonline.com: 7322706 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 7322706 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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