Power-propelled kaleidoscope

Details Power-propelled kaleidoscope Power-propelled kaleidoscope

1998-01-15

1999-11-16

Metjahic, Safet

Optical: systems and elements

Kaleidoscope

Including particles loosely housed for agitation

446175, G02B 2708, A63H 3000

Patent

active

059844809

ABSTRACT:
In a kaleidoscope having an object chamber containing a fluid and containing a number of objects, the objects are caused to move by setting in motion the fluid within the object chamber, using energy derived from a source mounted on the kaleidoscope. In a preferred embodiment, the fluid in the object chamber is set in motion by a small electrically powered pump that is powered by a battery mounted on the kaleidoscope under control of a microprocessor that relates the operation of the pump to the production of lighting effects and sound effects produced within the kaleidoscope. The apparatus results in a display of persistently moving patterns, even when the object chamber remains stationary, and requires no intervention by the user.

REFERENCES:
patent: 4085533 (1978-04-01), Ewald
patent: 4740046 (1988-04-01), MacCarthy
patent: 4776653 (1988-10-01), Kaplan
patent: 5029954 (1991-07-01), Eilrich et al.
patent: 5054865 (1991-10-01), Huang
patent: 5131734 (1992-07-01), Hausner
patent: 5396723 (1995-03-01), Liu

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