Stage lighting lamp unit and stage lighting system including suc

Details Stage lighting lamp unit and stage lighting system including suc Stage lighting lamp unit and stage lighting system including suc

1993-06-18

1996-03-26

Husar, Stephen F.

Illumination

Light source and modifier

Adjustable or repositionable light source or light source...

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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