Toy system with movable vehicles

Electricity: measuring and testing – Electrical speed measuring – Including 'event' sensing means

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Details

463 59, 446409, 446175, 446441, G01P 366, G01P 380, A63F 914, A63H 3002

Patent

active

056379960

ABSTRACT:
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.

REFERENCES:
patent: 3163819 (1964-12-01), Calhoun
patent: 3546668 (1970-12-01), Legler et al.
patent: 4574238 (1986-03-01), Weinlich
patent: 4727310 (1988-02-01), Hashimoto et al.
patent: 4959807 (1990-09-01), Thompson et al.

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