Patent ID: 6361396
Filing Date: 2002-03-26
Classification: A63H

Abstract:
A toy comprising:a variable frequency RF oscillator, said variable frequency RF oscillator generating a plurality of frequencies; a RF receiver, said RF receiver outputting a signal in response to a received RF signal; at least one remotely identifiable object, said at least one remotely identifiable object comprising at least one tank circuit, said at least one tank circuit comprising an inductor, said inductor capable of inductively coupling to said RF receiver, wherein each of said at least one tuned tank circuits has a resonant frequency; and a microprocessor coupled to said variable frequency RF oscillator and to said RF receiver, said microprocessor controlling selection of at least one ringing frequency from said plurality of frequencies and monitoring said RF receiver output signal, wherein said microprocessor identifies an individual object from said at least one remotely identifiable object based on said RF receiver output signal.