Providing force feedback using an interface device including an indexing function
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United States of America Patent
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-
May 9, 2000
Issued Date -
N/A
app pub date -
May 29, 1998
filing date -
Nov 26, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for providing force feedback including an indexing function. A force feedback interface device is coupled to a host computer system displaying a graphical environment. A position of a user-manipulated physical object in a degree of freedom, such as a planar workspace, is sensed by the device, and a user-controlled graphical object is dislplayed on a display screen at a position corresponding to the physical object position. An indexing indication is provided by the user to activate an indexing mode, during which the user-controlled graphical object is displayed at a fixed position on said display screen, regardless of the position of the physical object. The user is able to redefine an offset between the position of the physical object and the position of tile user-controlled graphical object during the indexing mode. A safety switch can be used to activate the indexing mode.
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Cited Art Landscape
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