Stage lighting lamp unit and stage lighting system including such unit
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United States of America Patent
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Jun 7, 2011
Grant Date -
Jan 10, 2008
app pub date -
Sep 18, 2007
filing date -
Sep 25, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
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 co-ordinates 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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Family
International Classification(s)
Cited Art Landscape
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