Device and Method for Measuring a Shot Force Exerted on a Movable Game Device
First Claim
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1. A system for measuring a rotational speed of a movable game device, comprising:
- a magnetic field detector integrated within said movable game ball, said magnetic field detector configured to measure the earth'"'"'s magnetic field and generate a voltage representing the magnetic field strength, wherein the magnetic field strength is modulated upon rotation of said movable game ball, thereby altering said voltage;
an amplifier operatively coupled with said magnetic field detector, said amplifier configured for amplifying said voltage;
a device processor configured for determining the rotational speed of said game ball by analyzing said voltage and alterations thereof; and
an interface for providing information about the rotational speed on the basis of said voltage analysis.
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Abstract
For measuring a shot force exerted on a movable game device, a time curve of the acceleration during the shot or of the pressure within the game device during the shot is recorded and processed to obtain an energy measure, said energy measure then serving to provide information about the shot force.
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Citations
21 Claims
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1. A system for measuring a rotational speed of a movable game device, comprising:
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a magnetic field detector integrated within said movable game ball, said magnetic field detector configured to measure the earth'"'"'s magnetic field and generate a voltage representing the magnetic field strength, wherein the magnetic field strength is modulated upon rotation of said movable game ball, thereby altering said voltage; an amplifier operatively coupled with said magnetic field detector, said amplifier configured for amplifying said voltage; a device processor configured for determining the rotational speed of said game ball by analyzing said voltage and alterations thereof; and an interface for providing information about the rotational speed on the basis of said voltage analysis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A movable game device comprising:
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a magnetic field detector integrated within said movable game ball, said magnetic field detector configured to measure the earth'"'"'s magnetic field and generate a voltage representing the magnetic field strength, wherein the magnetic field strength is modulated upon rotation of said movable game ball, thereby altering said voltage; an amplifier operatively coupled with said magnetic field detector, said amplifier configured for amplifying said voltage; a device processor configured for determining the rotational speed of said game ball by analyzing said voltage and alterations thereof; and a transmitter integrated within said movable game ball and operatively coupled with said device processor, said transmitter configured for communicating the voltage analysis.
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18. A method for measuring a rotational speed of a movable game device, comprising:
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providing a magnetic field detector integrated within said movable game ball and operatively coupled with a processor, said magnetic field detector configured to measure the earth'"'"'s magnetic field and generate a voltage representing the magnetic field strength; providing an amplifier operatively coupled with said magnetic field detector, said amplifier configured for amplifying said voltage; wherein the magnetic field strength is modulated upon rotation of said movable game ball, thereby altering said voltage; determining, using said processor, the rotational speed of said game ball by analyzing said voltage and alterations thereof; providing a transmitter within said movable game ball and operatively coupled with said processor; and transmitting, using said transmitter, said voltage analysis. - View Dependent Claims (19, 20, 21)
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Specification