Apparatus and method for generating a control signal for a tactile sensation generator
DC CAFCFirst Claim
1. Apparatus for generating a control signal for a tactile sensation generator comprising:
- an audio signal processor for processing audio signals and generating a processed signal; and
a control signal generator, connected to said audio signal processor, for generating, in response to said processed signal, said control signal for controlling the tactile sensation generator.
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Abstract
A control system that is responsive to an audio signal generated by an audio source such as a computer, video game console, stereo system and the like. The control system converts the audio signal into a control signal for a tactile sensation generator such as a vibrating cushion, vibrating seat pad, and the like. The control system contains an audio signal processor and a control signal generator. The audio signal processor produces a processed signal indicative of the amplitude, frequency, and rate of change of the audio signal. From the processed signal, a control signal generator produces a control signal for a tactile sensation generator. The control signal causes the tactile sensation generator to produce a tactile sensation corresponding to the present scene being displayed, for example, on a monitor of a computer executing a computer game.
268 Citations
27 Claims
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1. Apparatus for generating a control signal for a tactile sensation generator comprising:
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an audio signal processor for processing audio signals and generating a processed signal; and a control signal generator, connected to said audio signal processor, for generating, in response to said processed signal, said control signal for controlling the tactile sensation generator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. Apparatus for generating a control signal for a tactile sensation generator comprising:
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a front end circuit for forming a composite audio signal from a stereophonic audio signal; a variable gain preamplifier, connected to said front end circuit, for amplifying said composite audio signal; an equalizer, connected to said preamplifier, for selectively filtering said amplified composite audio signal; a rectifier, connected to said equalizer, for rectifying the equalized signal; a peak hold circuit, connected to said rectifier, for temporarily holding the rectified signal and for adding a DC bias to the rectified signal to generate a processed signal; and a control signal generator, connected to said peak hold circuit, for generating, in response to said processed signal, a control signal for said tactile sensation generator. - View Dependent Claims (16, 17)
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18. A method of generating a control signal for a tactile sensation generator comprising the steps of:
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processing an audio signal to generate a processed signal; and generating, in response to said processed signal, said control signal for said tactile sensation generator. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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26. A method of generating a control signal for a tactile sensation generator comprising the steps of:
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forming a composite audio signal from a stereophonic audio signal; amplifying said composite audio signal; selectively filtering said amplified composite audio signal; rectifying the equalized signal; temporarily holding the rectified signal and for adding a DC bias to the rectified signal to generate a processed signal; and generating, in response to said processed signal, a control signal for said tactile sensation generator. - View Dependent Claims (27)
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Specification