Voice responsive "talking" toy
First Claim
Patent Images
1. A toy comprising:
- a body;
actuator means, disposed within said body, for generating an actuation signal; and
audio generator means, disposed in said body and responsive to said actuation signal, for generating electrical tone pulses, said electrical pulses being pseudo-random both as to frequency composition and duration; and
transducer means responsive to said electrical tone pulses for generating audio output pulses indicative of said electrical pulses.
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Abstract
A toy which, in response to a complex sound such as human speech generates a train of audio pulses. The pulses are psuedo-random with respect to frequency composition and to duration, thus simulating syllabic speech. Provisions are also described whereby the length of the pulse train is made random.
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Citations
19 Claims
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1. A toy comprising:
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a body; actuator means, disposed within said body, for generating an actuation signal; and audio generator means, disposed in said body and responsive to said actuation signal, for generating electrical tone pulses, said electrical pulses being pseudo-random both as to frequency composition and duration; and transducer means responsive to said electrical tone pulses for generating audio output pulses indicative of said electrical pulses. - View Dependent Claims (2, 3, 4)
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5. A toy comprising:
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a body; audio generator means, disposed in said body and responsive to an actuation signal applied thereto, for generating electrical tone pulses, said electrical pulses being pseudo-random as to frequency composition and duration; transducer means, responsive to said electrical tone pulses for generating audio output pulses indicative of said electrical pulses, and including means for generating an electrical output signal indicative of audio sound waves incident thereon; and sound responsive actuator means, disposed within said body, for generating said actuation signal in response to a predetermined species of sound, said sound responsive means comprising; sampling means, responsive to a sampling clock signal applied thereto, for sampling said transducer means electrical output signal at predetermined time intervals in accordance with said sampling clock signal and generating a digital sample signal indicative of said samples; and counter means, incremented responsive to changes of state in said digital sample signal and reset responsive a reset signal of predetermined frequency applied thereto, for generating said actuation signal upon accumulation of a predetermined number of counts such that said actuation signal is generated only in response to sound waves effecting said predetermined number of changes in state in said digital sample signal within a predetermined period in accordance with said reset signal frequency. - View Dependent Claims (6, 7, 8, 9)
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10. A toy comprising:
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a body; actuator means, disposed within said body, for generating an actuation signal; and audio generator means, disposed in said body and responsive to said actuation signal, for generating electrical tone pulses, said electrical pulses being pseudo-random as to frequency composition and duration; and transducer means responsive to said electrical tone pulses for generating audio output pulses indicative of said electrical pulses, said audio generator means comprising; a voltage controlled oscillator (VCO) for generating a VCO output signal having a frequency in accordance with a control voltage applied thereto; pseudo-random code generator means for generating a pseudo-random code signal; D/A converter means, responsive to said pseudo-random code signal, for generating said control voltage to said VCO; divider means, responsive to said VCO output signal, for generating a plurality of tone signals of respective frequencies related to said VCO output signal frequency; first gating means, responsive to a signal indicative of said pseudo-random code signal for generating said electrical tone pulses, said electrical pulses being formed of pseudo-random combinations of said respective tone signals, pseudo-randomly interrupted to control the duration of said pulses; and audio response length control means, responsive to said electrical tone pulses and to said actuation signal, for selectively applying said electrical tone pulses as electrical input signals to said transducer means. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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Specification