Computer input device
First Claim
Patent Images
1. A computer game input device comprising:
- an acceleration sensor, wherein the acceleration sensor comprises;
a closed volume vessel containing magnetic fluid;
a non-magnetic inertial body in the vessel;
at least three magnetic field sources located in pairs on three mutually perpendicular axes around the closed volume vessel, wherein said at least three magnetic field sources have an output; and
a signal converter assembly, wherein the output of said magnetic field sources is connected to an input of the signal converter assembly, and wherein the signal converter assembly provides coordinate information for control of computer generated objects.
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Abstract
A computer input device used to input coordinates and three-dimensional graphical information into a computer. The device includes an acceleration sensor that has a fixed volume vessel containing a magnetic fluid. A non-magnetic inertial body is located in the magnetic fluid. Three magnetic field source are located on three perpendicular axes where each magnetic field source has an output for connection to a computer.
44 Citations
59 Claims
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1. A computer game input device comprising:
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an acceleration sensor, wherein the acceleration sensor comprises;
a closed volume vessel containing magnetic fluid;
a non-magnetic inertial body in the vessel;
at least three magnetic field sources located in pairs on three mutually perpendicular axes around the closed volume vessel, wherein said at least three magnetic field sources have an output; and
a signal converter assembly, wherein the output of said magnetic field sources is connected to an input of the signal converter assembly, and wherein the signal converter assembly provides coordinate information for control of computer generated objects. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A computer game input device comprising:
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a housing containing magnetic fluid;
an inertial body within the housing;
a plurality of magnetic field sources arranged in pairs on mutually perpendicular axes around the housing, each magnetic field source having an output; and
a signal converter assembly receiving the outputs of the magnetic field sources and providing coordinate information to a computer. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A computer input device comprising:
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a housing;
a magnetic fluid within the housing;
an inertial body within the housing;
magnetic field sources generating magnetic flux lines within the magnetic fluid; and
a signal converter receiving signals from the magnetic field sources indicative of changes in the magnetic flux lines and providing angular acceleration information to a computer based on the changes. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44)
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45. A computer input device comprising:
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a housing containing a magnetic fluid;
an inertial body in contact with the magnetic fluid;
magnets positioned to generate a magnetic field in the magnetic fluid;
a data output from the magnets indicative of changes in the magnetic field; and
a signal converter receiving the data output and providing angular acceleration information to a computer based on the changes.
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46. A computer input device comprising:
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a magnetic fluid;
an inertial body suspended within the magnetic fluid;
magnets generating a magnetic field in the magnetic fluid so that the magnetic fluid exerts a repulsive force on the inertial body, maintaining the inertial body approximately in place; and
a signal converter receiving signals from the magnetic field sources indicative of changes in the magnetic field and providing angular acceleration information to a computer based on the changes. - View Dependent Claims (47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59)
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Specification