Illumination – Plural light sources – Remote adjustment or positioning means
Patent
1995-05-24
1998-06-23
Husar, Stephen F.
Illumination
Plural light sources
Remote adjustment or positioning means
362286, 362386, F21M 100
Patent
active
057695318
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.
REFERENCES:
patent: 4837665 (1989-06-01), Hoyer et al.
patent: 4980806 (1990-12-01), Taylor et al.
patent: 5045983 (1991-09-01), Shields
Hughes Michael Derek
Hunt Mark Alistair
Owen Keith James
Husar Stephen F.
Light & Sound Design Ltd.
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