Stroboscopic posing aid

Details Stroboscopic posing aid Stroboscopic posing aid

1981-01-30

1982-06-15

Griffin, Donald A.

G03B 1506

Patent

active

043347541

ABSTRACT:
A stroboscopic posing aid for use by professional and amateur photographers to capture and hold the attention of photographic subjects, especially small children, comprising a vertical stand having an arm extending outward therefrom, a sphere decorated with vertical stripes or zones of alternating contrasting colors, means for suspending the sphere from the arm, and a fluorescent light source. A user spins the sphere by hand and the characteristic flicker of the fluorescent light source produces stroboscopic effects on the surface of the sphere that give optical illusions of vertical stripes rotating first in one direction, then slowing down, stopping, and reversing direction as the rotational speed of the sphere drops due to atmospheric drag.

REFERENCES:
patent: 2606025 (1952-08-01), Hornig
patent: 3332686 (1967-07-01), Frost
patent: 3454275 (1969-07-01), Pontone
patent: 3720147 (1973-03-01), Bemis
patent: 3812506 (1974-05-01), Klebanow
patent: 4072973 (1978-02-01), Mayo
patent: 4121829 (1978-10-01), Petrusek

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