Industry Patents

Patent: 7483220

Optical Arrangement With Stepped Lens

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Patent Number: 7483220 
Title: Optical Arrangement With Stepped Lens 
Abstract: The invention comprises an optical arrangement for illumination purposes, in particular for a stepped lens spotlight, comprising a stepped lens with a light-diffusing element, in particular a diffusing screen, in which the diffusing screen is arranged in a first region and the stepped lens is arranged in a second region, and in which, with the change in the shape of the light impinging on the optical arrangement and/or the size of the light illuminating the optical arrangement, it is possible to set the aperture angle of the light emerging from the optical arrangement, in particular between two limit values, a smaller .alpha..sub.Sp and a larger .alpha..sub.F1.  
Country of Issue: US 
First Named Inventor: Kittelmann, Wagener 
Assignee: Auer Lighting 
Continuation or Divisional of:  
International Classification: G02B 3/08 
US Classification: 359/742 
Issue Date: 01-27-2009 
Filing Date: 12-22-2004 
Application : 10/584023 
Notes:  
Link to Patent at freepatentsonline.com: 7483220 at Freepatentsonline 
Link to World Patent Family1: World Patent Family at European Patent Office 
Link to Google Patents1: 7483220 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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