PROJECTION DEVICE FOR DEMONSTRATION OF CHESS PLAY Russian patent published in 1994 - IPC

Abstract RU 2024959 C1

FIELD: sports. SUBSTANCE: device for demonstration of chess play has display 1 with base 2, lamps 4 and protective screen 3. Each cell of display has parallel plates 5 forming combined outlines of chess-men. EFFECT: simplified design, improved reliability. 2 cl, 6 dwg

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RU 2 024 959 C1

Authors

Kolganov Efrem Antonovich

Shipulin Vladimir Nikolaevich

Dates

1994-12-15Published

1991-05-27Filed