Clock with moving colored display

Details Clock with moving colored display Clock with moving colored display

1975-10-24

1977-07-12

Jackmon, E. S.

58 2, 58 50R, G04B 1902, G04B 4500, G04B 1930

Patent

active

040345548

ABSTRACT:
A set of one or more closed receptacles, each having an internal partition dividing the interior into two compartments, each compartment being partially filled with a translucent flowable material such as a colored liquid. Preferably the receptacles are cylindrical in shape with the partitions extending diametrically, and the flowable material in a receptacle compartment is of a different color from that of the other compartment of the receptacle and, desirably, different from the color of flowable materials in other compartments of a particular set. Means are provided for rotating the receptacles about axes transverse to their partitions and, when a set of two receptacles is used as a clock, one receptacle is rotated at two revolutions per day and the other at one revolution per hour, as by a conventional synchronous clock motor. Thus, the partitions of such a set serve as hour and minute hands respectively, and each partition may be provided with a small marker or indicium near one of its ends to serve as the pointer for the hand. A third smaller receptacle may be driven at one revolution per minute, its partition thus serving as a second hand. The two or three receptacles of a set may be coaxially arranged one behind another, or with their circular faces all visible to the observer, as in a common plane. In the coaxial arrangement, the changing color relationships seen by the observer provide an understanding of the theory of subtractive mixture of colors. A light source may be provided behind the set of receptacles, and each receptacle is desirably mounted to facilitate setting of the time which it indicates.

REFERENCES:
patent: 268641 (1882-12-01), Dittmar et al.
patent: 463010 (1891-11-01), Terlinden et al.
patent: 2625003 (1953-01-01), Burden
patent: 2824418 (1958-02-01), Hilbert
patent: 3522701 (1970-08-01), Perry

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