Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1986-06-17
1989-01-10
Marlo, George J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273 65R, 40327, 272 8N, 272 8D, 434403, 434 98, 434104, A63B 4100, A63B 4108, A63H 3304
Patent
active
047968885
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a method of, and means for, obtaining colour effects by relative movement of a hue sequence. The invention is particularly applicable, for example, to toys, especially balls.
BACKGROUND ART
Multi-coloured objects are known, particularly in relation to toys and educational aids. For example, multi-coloured beach balls are known in which the surface is divided into segmented areas which are randomly coloured. Other known multi-coloured objects include devices similar to the Rubic cube and other Pythagorean solids useful for teaching purposes--that is polyhedrons with pentagonal, heptagonal or other regular sized facets. Typically, colour is applied to the surfaces of such objects as listed above merely in order to allow differentiation between component parts or surfaces. The colours in such cases are not chosen with a view to producing any particular visual effect when the objects are rotated in or when relative movement of the colours with respect to the eye is otherwise brought about.
Similarly, it is known to apply a black and white pentagonal pattern to soccer footballs but the ball produces no interesting colour effect when it rotates.
It is also known that presentation of the primary colours to the eye in sequence at an appropriate rate of exposure will result, by virtue of persistence of vision or speed colour mixing, in a summation of the colours such that the total appears a uniform colour, such as white or neutral grey, to the eye. This is the basis of a colour disc device divided into sectors which are coloured with the various colours of the rainbow. When spun the disc appears white or neutral grey.
Thus, the eye catching effect of colour, the effects of eye colour selectivity and the effect of persistence of vision or speed colour mixing, have each been exploited in various ways by the prior art. However, the above features and effects have not heretofore been combined in a selective manner to produce an object which, upon relative motion of its coloured surfaces relative to the eye produces a pleasing, consistent and attractive colour effect.
It is an object of the present invention to provide for the application of a hue sequence to the surface areas of a sphere, spheroid or polyhedron which will result in a visually pleasing novelty item.
DISCLOSURE OF INVENTION
According to the present invention there is provided a novelty item comprising a sphere, spheroid or polyhedron, the surface of which is divided into a plurality of differently coloured areas, the sum of said areas constituting said surface, the size and shape of all said areas being approximately the same, each area having a normal extending radially outwardly from the centre of said sphere, spheroid or polyhedron through approximately the centre of said area, the angle between adjacent ones of said normals being 360.degree. divided by the number of said areas, the colours of adjacent areas being selected from a pair of colours which differ by said angle on a colour wheel on which two spectrally opposite colours differ by 180.degree., and each area lying on a sequential colour path comprising the sequence of said selected colours progressing around said colour wheel.
BRIEF DESCRIPTION OF THE DRAWINGS
Some embodiments of the present invention will now be described with reference to the drawings in which:
FIG. 1 schematically represents the plan and inverted plan views of a dodecahedron having 12 pentagonal areas, each of different colour, the yellow area 2 being on "top" and the blue violet area 4 being on the "bottom",
FIG. 2 illustrates the segmential colour path, or juxtapositition, (i.e. which colours are arranged adjacent to each other and their total sequence) for the object of FIG. 1,
FIG. 3 depicts another allowable relationship between the colours for the object of FIG. 1 commencing with a different angular disposition between the pentagonal hue areas,
FIG. 4 is an illustration similar to that of FIG. 1 but representing the plan and inverted plan views of a dodecahed
REFERENCES:
patent: 1178361 (1916-04-01), Van Sciver
patent: 3726027 (1973-04-01), Cohen et al.
"The Basic Law of Color Theory" by Harald Kueppers, Published in 1982, Barron's, New York, pp. 69-101, 167-186 and FIGS. 1-47.
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