Industry Patents

Patent: 8770764

Programmable De-Fogger System for a Light Projector

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Patent Number:	8770764
Title:	Programmable De-Fogger System for a Light Projector
Abstract:	A light projector for operation during a show that contains theatrical haze. The light projector may include a light source, a lens, a fan, and a housing having an inner chamber. The lens may have a first side and a second side. The first side of the lens may be contained within the inner chamber of the housing. The second side the lens may be outside of the inner chamber of the housing. The fan may be configured to be operated to generate air flow inside the inner chamber of the housing. A substantial portion of the air flow may be directed to impinge upon the first side of the lens to cause de-fogging of theatrical haze condensate on the first side of the lens.
Country of Issue:	US
First Named Inventor:	Belliveau, Dahly, Peck
Assignee:	Barco Lighting Systems
Continuation or Divisional of:
International Classification:	G03B 21/16
US Classification:	353/52
Issue Date:	07-08-2014
Filing Date:	01-16-2012
Application :	13/350932
Notes:
Link to Patent at freepatentsonline.com:	8770764 at Freepatentsonline
Link to World Patent Family¹:	World Patent Family at European Patent Office
Link to Google Patents¹:	8770764 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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