Stage spotlight color medium structure

Details Stage spotlight color medium structure Stage spotlight color medium structure

1993-05-21

1994-12-06

Lazarus, Ira S.

Illumination

Light source and modifier

Adjustable or repositionable modifier

362288, 362278, 362398, 362293, 362455, F21V 1700

Patent

active

053716639

ABSTRACT:
A color medium structure for use with a stage spotlight comprises a frame constituted by two opposite frame plates, preferably made of a fiber reinforced plastic, with a portion of the periphery thereof secured together to allow other portion of the periphery to be peelable off for receiving therebetween a light-transmitting color film. The light-transmitting color film is secured between the frame plates by the attraction of magnets mounted to the frame plates.

REFERENCES:
patent: 2953970 (1960-09-01), Maynard
patent: 3758200 (1973-09-01), Saito
patent: 3994008 (1976-11-01), Land et al.
patent: 4037097 (1977-07-01), Stillman et al.
patent: 4416528 (1983-11-01), Breslau et al.
patent: 4823245 (1989-04-01), Leverte
patent: 4875766 (1989-10-01), Shimodaira et al.

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