Desktop kinetic display device

Details Desktop kinetic display device Desktop kinetic display device

1987-05-21

1988-05-03

Jones, Larry

Illumination

Light source and modifier

Including translucent or transparent modifier

362 35, 362318, 362806, 362811, 353 1, 353 2, F21V 300, F21V 2130, F21V 500

Patent

active

047424397

ABSTRACT:
The housing of this device contains an electric lamp and an electric motor, the drive shaft of which rotates a circular, light transmissive, polarized cell, which is removably mounted in the housing over a light transmissive plate, which is mounted in an opening in the housing to direct diffused light from the lamp onto one side of the cell. The cell has a chamber filled with a liquid, and a plurality of small, birefringent elements which float randomly in all directions as the cell rotates, and which disperse light from the lamp into a variety of constantly changing colors and hues that are visible from the side of the cell remote from the diffuser.

REFERENCES:
patent: 3255661 (1966-01-01), Marban
patent: 3358556 (1967-12-01), Brown
patent: 3843244 (1974-10-01), Facchini
patent: 3885865 (1975-05-01), Stern et al.
patent: 4107764 (1978-08-01), Riley
patent: 4653843 (1987-03-01), Karelitz

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