US Patent No: 5,921,659

Number of patents in Portfolio can not be more than 2000

Stage lighting lamp unit and stage lighting system including such unit

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Importance

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Abstract

A stage lighting lamp unit includes a processor for receiving control data from a remote console. Beam orientation data for the lamp unit is passed to the lamp in the form of the x, y and z coordinates of a point in space through which the beam is to pass. The processor divides the required lamp travel into a number of stages dependent on execution duration data sent with the position data, and calculates, for each stage, a new value for pan and tilt angles for the lamp. These values are passed to pan and tilt controlling co-processors which control servo-motors for pan and tilt operation. The lamp unit also incorporates a rotatable shutter for interrupting the lamp beam when required. The shutters of all the lamps in a system can be instructed from the remote console to open and close in synchronism, thereby providing a stroboscopic effect.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
PRODUCTION RESOURCE GROUP, L.L.C.NEW WINDSOR, NY171

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hughes, Michael D Wolverhampton, GB 13 136
Hunt, Mark A Derby, GB 64 568
Owen, Keith J Birmingham, GB 12 157

Cited Art

Patent Info (Count) # Cites Year
 
PRODUCTION RESOURCE GROUP, L.L.C. (3)
5,502,627 Stage lighting lamp unit and stage lighting system including such unit 41 1993
5,769,531 Stage lighting lamp unit and stage lighting system including such unit 24 1995
5,788,365 Stage lighting lamp unit and stage lighting system including such unit 24 1995
 
VARI-LITE, INC. (1)
4,980,806 Computer controlled lighting system with distributed processing 145 1988
 
VARI-LITE, LTD., A LIMITED PARTNERSHIP OF HARRY R. BRUTSCHE, III (1)
4,392,187 Computer controlled lighting system having automatically variable position, color, intensity and beam divergence 247 1981
 
Other [Check patent profile for assignment information] (1)
5,045,983 Computer controlled light with continuously variable color temperature, color, magnification, focus, and position 28 1990

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
PRODUCTION RESOURCE GROUP, L.L.C. (13)
6,326,741 Stage lighting lamp unit and stage lighting system including such unit 10 1999
6,736,528 Electronically controlled stage lighting system 7 2001
6,597,132 Stage lighting lamp unit and stage lighting system including such unit 16 2001
6,894,443 Stage lighting lamp unit and stage lighting system including such unit 16 2003
7,230,752 Electronically controlled stage lighting system 4 2004
8,077,998 Reduced complexity and blur technique for an electronic lighting system 0 2005
7,270,444 Stage lighting lamp unit and stage lighting system including such unit 1 2005
7,379,230 Electronically controlled stage lighting system 1 2006
7,954,966 Stage lighting lamp unit and stage lighting system including such unit 0 2007
7,643,204 Electronically controlled stage lighting system 0 2008
7,880,957 Electronically controlled stage lighting system 0 2010
8,300,302 Electronically controlled stage lighting system 0 2011
8,459,815 Stage lighting lamp unit and stage lighting system including such unit 0 2011
 
GENLYTE THOMAS GROUP LLC (7)
7,027,736 Addressable system for light fixture modules 22 2001
7,024,119 Addressable light fixture module 12 2001
7,397,384 Track lighting system current limiting device 3 2005
7,507,005 Sliding flexible track lighting 5 2007
7,520,763 Track lighting system with dependent lamp cord 3 2007
7,911,351 Track lighting system current limiting device 2 2008
8,144,025 Track lighting system current limiting device 0 2011
 
ACCELERATED PICTURES, INC. (2)
7,433,760 Camera and animation controller, systems and methods 1 2005
7,880,770 Camera control 0 2007
 
TYCO ELECTRONICS LOGISTICS AG (2)
7,050,808 Method and system for transmitting, receiving and collecting information related to a plurality of working components 24 2001
7,254,372 Method and system for transmitting, receiving, and collecting information related to a plurality of working components 19 2004
 
CHASE INDUSTRIES, INC. (1)
6,502,765 Liquid spray apparatus, system and methods 4 2000
 
HIGH END SYSTEMS, INC. (1)
6,249,091 Selectable audio controlled parameters for multiparameter lights 14 2000
 
KONINKLIJKE PHILIPS ELECTRONICS N.V. (1)
7,758,358 Track lighting assembly 0 2008
 
Other [Check patent profile for assignment information] (1)
7,221,109 Stage lighting console 0 2004