High bandwidth force feedback interface using voice coils and flexures

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5805140
SERIAL NO

08560091

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for interfacing the motion of a user-manipulable object with an electrical or computer system includes a user object physically contacted by a user. A gimbal mechanism is coupled to the user object, such as a joystick or a medical tool, and provides at least two degrees of freedom to the user object. The gimbal mechanism preferably includes multiple members, at least two of which are formed as a unitary member which provides flex between the selected members. An actuator applies a force along a degree of freedom to the user object in response to electrical signals produced by the computer system. A sensor detects a position of the user object along the degree of freedom and outputs sensor signals to the computer system. Another embodiment includes a host computer system and a local microprocessor, separate from the host computer, for communicating with the host computer and controlling the forces output by the actuators according to a processor subroutine selected in accordance with a host command, sensor signals, and timing information. Another embodiment of the interface apparatus uses voice coil actuators that produce forces in either linear or rotary degrees of freedom using currents applied in a magnetic fields. A friction drive mechanism of the present invention can be coupled between an actuator and a gimbal mechanism. Force from the actuator is transmitted to the gimbal mechanism through frictional contact of members of the friction drive mechanism.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
IMMERSION CORPORATIONSAN JOSE, CA772

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rosenberg, Louis B Pleasanton, CA 327 27499
Schena, Bruce M Menlo Park, CA 140 12068

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (15)
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6374255 Haptic authoring 83 2000
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7728820 Haptic feedback for touchpads and other touch controls 87 2003
7636080 Networked applications including haptic feedback 3 2003
7327348 Haptic feedback effects for control knobs and other interface devices 17 2003
7446752 Controlling haptic sensations for vibrotactile feedback interface devices 40 2003
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7215326 Physically realistic computer simulation of medical procedures 119 2003
7102541 Isotonic-isometric haptic feedback interface 75 2003
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8803795 Haptic communication devices 2 2003
8316166 Haptic messaging in handheld communication devices 7 2003
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7821496 Computer interface apparatus including linkage having flex 4 2004
7561141 Haptic feedback device with button forces 18 2004
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7369115 Haptic devices having multiple operational modes including at least one resonant mode 94 2004
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7249951 Method and apparatus for providing an interface mechanism for a computer simulation 90 2004
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7710399 Haptic trackball device 31 2004
7423631 Low-cost haptic mouse implementations 30 2004
7561142 Vibrotactile haptic feedback devices 82 2004
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8049734 Haptic feedback for touchpads and other touch control 65 2007
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8169402 Vibrotactile haptic feedback devices 94 2009
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8072422 Networked applications including haptic feedback 4 2009
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9245428 Systems and methods for haptic remote control gaming 1 2013
9740287 Force feedback system including multi-tasking graphical host environment and interface device 0 2013
9227137 Handheld computer interface with haptic feedback 0 2013
9690379 Tactile feedback interface device 0 2014
9753540 Systems and methods for haptic remote control gaming 0 2015
9778745 Force feedback system including multi-tasking graphical host environment and interface device 0 2016
 
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