Electrical resistors – Mechanically variable – Movable contact electrically adjustable over length of...
Patent
1986-11-18
1988-03-22
Goldberg, E. A.
Electrical resistors
Mechanically variable
Movable contact electrically adjustable over length of...
338 32R, 324208, H01C 1016
Patent
active
047332140
ABSTRACT:
A multi-directional contactless controller senses the displacement of a manipulator with respect to a reference frame along two orthogonal directions and is also provided with a resiliently biased cam and cam follower disposed between the manipulator and the reference frame for providing tactile feedback and returning the manipulator to a central position. For specific applications, the cam surface is programmed with various regions having different restoring forces or rest positions. Access to these regions can be conditioned by selectively activated solenoids or by a requirement for overt operator input. Similarly, a selectively activated solenoid can be used to conditionally prohibit exit from these regions or to selectively return the controller to the central null position.
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Auchterlonie Richard C.
Goldberg E. A.
Lateef M. M.
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