Electricity: measuring and testing – Electrical speed measuring – Including 'event' sensing means
463 59, 446409, 446175, 446441, G01P 366, G01P 380, A63F 914, A63H 3002
A toy speed measuring and voice reporting system is disclosed. The system measures the speed of a toy car and reports the speed contemporaneously in audible speech. The system employs optical detectors and timing circuitry to compute the speed, and a voice synthesizer to sound the speed values and other messages.
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McDarren Robert S.
Simmel Thomas L.
Link Group International
Snow Walter E.
Stoltz Melvin I.
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