Education and demonstration – Question or problem eliciting response – Correctness of response indicated to examine by...
Patent
1980-09-17
1982-01-12
Pinkham, Richard C.
Education and demonstration
Question or problem eliciting response
Correctness of response indicated to examine by...
273 1E, 339 17C, G09B 700
Patent
active
043103189
ABSTRACT:
An electronic game made from a single piece of material on which conductive ink is printed on a first section of the piece with a pattern of two sets of closely adjacent lines each with a connecting terminal for one terminal of a battery. On the first section, a light emitting diode is mounted which is connected in series with one set of lines and one of the battery connecting terminals. A hole is provided in the second section of the piece through which the light emitting diode can be viewed and an overlay with electrically conductive areas thereon is cut from the second section. The two sections of the piece are folded together with the battery connections from the first section extending through slots in the second section and a battery is connected to the battery connections with the light emitting diode being viewable through the opening. When pressure is applied to surface of the overlay, a connection is made between the two sets of lines, the circuit is completed and the light emitting diode is illuminated.
REFERENCES:
patent: 2997793 (1961-08-01), Kelly
patent: 3763574 (1973-10-01), Rose
patent: 3800437 (1974-04-01), Lamberson
patent: 3947978 (1976-04-01), Clark et al.
patent: 4020430 (1977-04-01), Uander Heyden
patent: 4024953 (1977-05-01), Nailor
patent: 4229686 (1980-10-01), Mullersman et al.
Picard Leo
Pinkham Richard C.
Rivercross Learning Corp.
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