Voice responsive toy
First Claim
1. A toy, comprising in combination, solid surface contacting means, motive means including a power source for actuating said contacting means and moving said toy, an electronic circuit including audio sound responsive means, said electronic circuit including at least two positionally spaced microphones for providing a signal in response to incident sound, a signal processing channel connected to each of said microphones, said channels converting the signal from the respective microphones into pulses, and means for combining the output of said channels and providing an output dependent on the time delay between the pulses on said channels, and means for activating said motive means dependent on said time delay.
0 Assignments
0 Petitions
Accused Products
Abstract
A sound responsive toy which seeks an emitted sound such as a child'"'"'s voice, the toy includes control circuitry for activating an associated drive to turn and/or guide the toy toward the child'"'"'s voice.
66 Citations
9 Claims
- 1. A toy, comprising in combination, solid surface contacting means, motive means including a power source for actuating said contacting means and moving said toy, an electronic circuit including audio sound responsive means, said electronic circuit including at least two positionally spaced microphones for providing a signal in response to incident sound, a signal processing channel connected to each of said microphones, said channels converting the signal from the respective microphones into pulses, and means for combining the output of said channels and providing an output dependent on the time delay between the pulses on said channels, and means for activating said motive means dependent on said time delay.
Specification