Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1996-06-28
1998-06-16
Bayerl, Raymond J.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
73862041, 73862042, 73862043, 73862044, 73862045, 74471XY, 338 2, 338 5, 338 6, 414 2, G05G 9047
Patent
active
057678405
ABSTRACT:
A user-manipulable sensor apparatus is provided for allowing a user to input, through hand manipulation of a movable member, motion in six degrees of freedom: translational motion in the X, Y, and Z axes, and rotation about each of those three axes. The apparatus includes a central member which acts as a stationary reference, and a user-manipulable member, such as a spherical, hollow member which substantially surrounds the central member. Flexible wire or in-line strain gauges are coupled between the central member and the inside surface of the user-manipulable member, to hold the user-manipulable member in a quiescent position, relative to a position of the central member. Accordingly, there is no need for additional support members for holding the user-manipulable member in position. Manipulation of the user-manipulable member causes tension on various ones of the strain gauges. The strain gauges produce signals, from which the motion of the user-manipulable member may be computed.
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Bayerl Raymond J.
International Business Machines - Corporation
Pintner James C.
Vail Seth D.
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