Optical: systems and elements – Kaleidoscope
Patent
1994-10-28
1996-07-02
Gellner, Michael L.
Optical: systems and elements
Kaleidoscope
G02B 2708
Patent
active
055328776
ABSTRACT:
A pocket infinite kaleidoscope has two opposed cylindrical cases each one with an internal mirror. Multiple circular colored flexible intertwined springs are adhered to the respective mirrors and a peephole is formed through one of the mirrors. The kaleidoscope is handled by an observer by displacing the cases by stretching the springs and looking through the peephole to create an amusing virtual image.
REFERENCES:
patent: 1010808 (1911-12-01), Scheufler
patent: 3603663 (1971-09-01), Lewis
patent: 3661439 (1972-05-01), Burnside et al.
patent: 4050790 (1977-09-01), Jorwa
patent: 4815801 (1989-03-01), Anderson
Gellner Michael L.
Malley D. P.
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