Kaleidoscope with restrictive aperture for visual enhancement

Details Kaleidoscope with restrictive aperture for visual enhancement Kaleidoscope with restrictive aperture for visual enhancement

1988-04-05

1989-08-08

Wintercorn, Richard A.

G02B 2300

Patent

active

048546577

ABSTRACT:
A mask positioned over the light receiving end of a conventional kaleidoscope to alter the light pattern entering the kaleidoscope. The mask may be designed to present various patterns of light into the kaleidoscope for different visual effects when viewing the kaleidoscope. The mask can be fixedly or rotatably attached to the light receiving end of the kaleidoscope during manufacture, or the like, or can be added as an after market accessory in a like fashion.

REFERENCES:
patent: 4061414 (1977-12-01), Price
patent: 4231634 (1980-11-01), Gantz et al.
patent: 4793671 (1988-12-01), Palochak et al.

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