Map puzzle having periodic tesselated structure

Details Map puzzle having periodic tesselated structure Map puzzle having periodic tesselated structure

1985-03-15

1986-12-09

Oechsle, Anton O.

Amusement devices: games

Puzzles

Take-aparts and put-togethers

434135, 434150, A63F 910, G09B 2902

Patent

active

046276220

ABSTRACT:
A puzzle comprising a planar map projection is formed from a conformal projection of the earth's surface onto an equilateral tetrahedron whose apices are located at preselected significant points on the surface, for example, major airports, major seaports, etc. The planar map puzzle is tesselated (that is, space filling) and periodic (repeating itself with, at most, changes of orientation). A plurality of frames are provided to accommodate different predefined configurations of the puzzle pieces to thereby illustrate differing features of the respective configurations.

REFERENCES:
patent: 2153053 (1939-04-01), Smith
patent: 2353037 (1944-07-01), Irwin
patent: 2393676 (1946-01-01), Fuller
patent: 2424601 (1947-07-01), Crouch
patent: 3193294 (1965-07-01), Irwin
patent: 3964749 (1976-06-01), Wadsworth

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