| United States Patent | 7,573,461 |
| Rosenberg | August 11, 2009 |
Physically realistic computer simulation of medical procedures
An apparatus for interfacing the movement of a shaft with a computer includes a support, a gimbal mechanism having two degrees of freedom, and three electromechanical transducers. When a shaft is engaged with the gimbal mechanism, it can move with three degrees of freedom in a spherical coordinate space, where each degree of freedom is sensed by one of the three transducers. A fourth transducer can be used to sense rotation of the shaft around an axis.
| Inventors: | Rosenberg; Louis B. (Mountain View, CA) |
| Assignee: | Immersion Corporation (San Jose, CA) |
| Appl. No.: | 11/725,958 |
| Filed: | March 19, 2007 |
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