QUESTION-AND-ANSWER GAME Russian patent published in 1996 - IPC

FIELD: pedagogic and entertainment. SUBSTANCE: device has board with two groups of contacts, each of which is connected to one contact of another group. In addition device has unit for alternating connection of contacts of different groups to power supply and alarm unit, and set of information cards having through holes, which are designed for superposition over contacts when information cards is laid down on game board. Probability of random guessing answer is decreased by location of contacts and through holes on information cards in symmetry about two perpendicular axes. Unit for alternating connection of contacts of different groups to power supply and alarm unit is designed as two-pole circuit where power supply and alarm unit are connected in series. It has plugs. Alarm unit may be designed as light-emitting diode, incandescent lamp, sound signal source, including musical or voice synthesizer. EFFECT: increased functional capabilities. 5 cl, 3 dwg