Method and apparatus for providing high bandwidth, low noise mechanical I/O for computer systems

Rosenberg, Louis B

Title: Method and apparatus for providing high bandwidth, low noise mechanical I/O for computer systems

Patent · Thu Jan 01 00:00:00 EST 1998

OSTI ID:871442

Rosenberg, Louis B ^[1]

Pleasanton, CA

A method and apparatus for providing high bandwidth and low noise mechanical input and output for computer systems. A gimbal mechanism provides two revolute degrees of freedom to an object about two axes of rotation. A linear axis member is coupled to the gimbal mechanism at the intersection of the two axes of rotation. The linear axis member is capable of being translated along a third axis to provide a third degree of freedom. The user object is coupled to the linear axis member and is thus translatable along the third axis so that the object can be moved along all three degrees of freedom. Transducers associated with the provided degrees of freedom include sensors and actuators and provide an electromechanical interface between the object and a digital processing system. Capstan drive mechanisms transmit forces between the transducers and the object. The linear axis member can also be rotated about its lengthwise axis to provide a fourth degree of freedom, and, optionally, a floating gimbal mechanism is coupled to the linear axis member to provide fifth and sixth degrees of freedom to an object. Transducer sensors are associated with the fourth, fifth, and sixth degrees of freedom. The interface is well suited for simulations of medical procedures and simulations in which an object such as a stylus or a joystick is moved and manipulated by the user.

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Research Organization:: Immersion Human Interface Corp. (San Jose, CA)

DOE Contract Number:: FG03-94ER86008

Assignee:: Immersion Human Interface Corp. (San Jose, CA)

Patent Number(s):: US 5731804

OSTI ID:: 871442

Country of Publication:: United States

Language:: English

References (22)

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Title: Method and apparatus for providing high bandwidth, low noise mechanical I/O for computer systems

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