Amusement devices: toys – Having light-or sound-responsive switch or control
Patent
1993-03-04
1995-09-19
Hafer, Robert A.
Amusement devices: toys
Having light-or sound-responsive switch or control
446397, 434311, 395 281, 84600, A63H 500
Patent
active
054511780
ABSTRACT:
An auditory playing device has a plurality of circular or polygonal tone plates marked with respective identification codes. Each of the tone plates has concentric dark and bright stripes that are placed, one at a time, in a recess defined in a casing substantially in any direction with respect to the recess. The casing houses an array of detectors disposed in the recess for detecting the identification code on the tone plate that is placed in the recess. A microcomputer determines whether a tone plate is placed in the recess based on signals from the detectors. When one of the tone plates is placed in the recess, the microcomputer controls a loudspeaker to produce a sound represented by the identification code on the tone plate placed in the recess. The auditory playing device can easily be handled by children and is effective to train them for sharpening their auditory senses.
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"What's New in Electronics", Popular Science, Mar. 1977, p. 100.
Hattori Emi
Yasuhara Nae
Yorozu Hiromu
Carlson Jeffrey D.
Hafer Robert A.
Kananen Ronald P.
Sony Corporation
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