Electronically Controlled Stage Lighting System

• US 20080225372A1
• Filed: 05/26/2008
• Published: 09/18/2008
• Est. Priority Date: 05/12/1997
• Status: Active Grant

• Current Assignee: Production Resource Group LLC
• Original Assignee: Production Resource Group LLC
• Inventors: Hunt, Mark A, Hughes, Michael, Hewlett, William, Parker, Richard, Clarke, Ian, Cook, Nigel
• Granted Patent: US 7,643,204 B2
• Time in Patent Office: Days
• US Class Current: 359/239
• CPC Class Codes: F21V 13/08 the elements being filters or photoluminescent elements and reflectors
• CPC Class Codes: F21V 14/04 by movement of reflectors in vehicle head lamps F21S41/675
• CPC Class Codes: F21V 14/08 by movement of the screens or filters
• CPC Class Codes: F21W 2131/406 for theatres, stages or film studios
• CPC Class Codes: G02B 26/0833 the reflecting element being a micromechanical device, e.g. a MEMS mirror, DMD G02B26/0825 takes precedence; micromechanical devices in general B81B
• CPC Class Codes: G02B 26/0841 the reflecting element being moved or deformed by electrostatic means
• CPC Class Codes: G03B 21/008 using micromirror devices
• CPC Class Codes: G03B 21/14 Details
• CPC Class Codes: G03B 21/16 Cooling; Preventing overheating
• CPC Class Codes: G03B 21/20 Lamp housings
• CPC Class Codes: G03B 21/28 Reflectors in projection beam in illumination beam G03B21/2066
• CPC Class Codes: G03B 33/04 by four or more separation records
• CPC Class Codes: H05B 47/155 Coordinated control of two or more light sources

Abstract

A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output.

Claims