Method and apparatus for providing high bandwidth force feedback with improved actuator feel

Number of patents in Portfolio can not be more than 2000

United States of America

SERIAL NO

08791020

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for providing low-cost, realistic force feedback including an improved actuator. Force sensations are provided to a user and an interface device coupled to a host computer allows a user to interact with a host application program. A user object, such as a joystick, is moveable by a user in at least one rotary degree of freedom. A sensor reports a locative signal to the host computer to indicate a position of the user object. An actuator outputs forces on the user object in response to signals from the host computer and program. The actuator includes a housing, a set of grounded magnets provided on opposing surfaces of the housing and creating a magnetic field, and a rotor coupled to the user object positioned between the magnets. The rotor rotates about an axis of rotation and includes a shaft and teeth spaced around the shaft.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
IMMERSION CORPORATIONSAN JOSE, CA772

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rosenberg, Louis B US 325 27306
Schena, Bruce M US 139 11945

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Patent Info (Count) # Cites Year
 
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* 2004/0124,717 Motor assembly allowing output in multiple degrees of freedom 2 2003
 
Vortant Technologies, LLC (1)
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3D SYSTEMS, INC. (2)
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* 2005/0248,568 Systems and methods for voxel warping 2 2005
* Cited By Examiner