Stage lighting lamp unit and stage lighting system including suc

Illumination – Light source and modifier – Adjustable or repositionable light source or light source...

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Details

362233, 362386, 318603, F21V 2100

Patent

active

055026273

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: 3731177 (1973-05-01), Commander et al.
patent: 5045983 (1991-09-01), Shields

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