Filtered light signal control suitable for toys

Details Filtered light signal control suitable for toys Filtered light signal control suitable for toys

1996-08-02

1998-12-08

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359122, 359124, 446175, H04J 1402, H04J 1404

Patent

active

058478540

ABSTRACT:
A toy method and apparatus is presented which utilizes a filtered signal to control a toy. A number of signal sources are filtered such that they each provide a signal of a specific wavelength(s) or polarization angle. A number of toys contain similar filters, such that the toys provide a mechanical, visual, acoustical, etc., response to reception of a signal of the wavelength(s) for which they contain the filter. In this manner, signal sources which control one toy cannot interfere with another toy, or parts of same toy, during an interactive game.

REFERENCES:
patent: 2591837 (1952-04-01), Lee
patent: 3314189 (1967-04-01), Carroll
patent: 4865575 (1989-09-01), Rosnthal
patent: 5452901 (1995-09-01), Nakada et al.
Ayers et al, "solid state optical transmission system", IBM tech disclosure, vol. 12, No. 8, Jan. 1970.

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