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
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May 11, 1999
Issued Date -
N/A
app pub date -
Jan 27, 1997
filing date -
Jan 27, 1997
priority date (Note) -
Withdrawn
status (Latency Note)
Importance
Abstract
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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