Cammed rotating gobos

Details Cammed rotating gobos Cammed rotating gobos

1997-10-17

2000-06-27

Tso, Laura K.

Illumination

Light modifier

Adjustable or positionable

362323, 362282, 362283, 362284, F21V 1400

Patent

active

06079853&

ABSTRACT:
A light altering device includes a housing and at least one moveable element coupled to the housing with each of the moveable elements having a light modifying device capable of changing some aspect of a beam of light. A moving control element moves the moveable element(s) relative to the housing between a first stowed position where the light modifying device of the moveable element does not interfere with the beam of light, and a second active position where the light modifying device does interfere with the beam of light. The housing of the light altering device can rotate a lighting effect produced by the moveable element in the second active position. Methods of modifying light with the device are also disclosed.

REFERENCES:
patent: 917368 (1909-04-01), Seidel
patent: 2133608 (1938-10-01), Engelken
patent: 2856831 (1958-10-01), Gipe et al.
patent: 4037097 (1977-07-01), Shuman et al.
patent: 4811182 (1989-03-01), Solomon

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