Multiple degree of freedom damped hand controls

Details Multiple degree of freedom damped hand controls Multiple degree of freedom damped hand controls

1989-12-01

1992-04-21

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Pivoted contact

338 98, 338128, H01H 2500, H01C 1010

Patent

active

051070804

ABSTRACT:
Hand control devices are disclosed which provide for damping of vibrations and other unintended motion with three or more degrees of freedom. In one embodiment, a four degree of freedom damped hand control is illustrated, including a chamber filled with a viscous fluid, and a transmission which couples movement of a handle in the X, Y and Z directions and rotation in a .theta. direction about one of the axes to movements of one or more drag elements in the fluid. The hand control further includes a position-sensing and a rotation-sensing assembly for sensing the position of the handle relative to a reference frame and for generating electrical signals indicative of the position and angle.

REFERENCES:
patent: 3798594 (1974-03-01), Funk
patent: 3901466 (1975-08-01), Lambregts
patent: 3989208 (1976-11-01), Lambregts
patent: 4069720 (1978-01-01), Thor
patent: 4094479 (1978-06-01), Kennedy, Jr.
patent: 4236685 (1980-12-01), Kissel
patent: 4477043 (1984-10-01), Repperger
patent: 4689449 (1987-08-01), Rosen

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