Oscilloscopic hand-dynamographic transducer

Details Oscilloscopic hand-dynamographic transducer Oscilloscopic hand-dynamographic transducer

1986-07-24

1988-07-19

Orsino, Joseph A.

Measuring and testing

Muscular force

7386258, 338 47, A61B 522, H01C 1010

Patent

active

047577118

ABSTRACT:
A dynamometer comprising a first member, a second member which is movable relative to the first member along a predetermined path, a piston and cylinder arrangement for resisting movement of the second member with respect to the first member in one direction along the predetermined path with a force which increases from zero with the distance moved from a rest position, and a potentiometer having a first elongate resistor element having two ends and a second wiper element which is in electrical contact with the resistor element and is movable with respect thereto to establish an electrical resistance between the wiper element and one end of the resistor element which increases with relative movement of the elements in one direction. One of the elements of the potentiometer is fixedly mounted on the first member, and the other element is coupled to the second member so that movement of the second member along the predetermined path away from the rest position is accompanied by relative movement of the elements in the direction to increase the electrical resistance between the wiper element and the end of the resistor element.

REFERENCES:
patent: 468154 (1892-02-01), McClure
patent: 2894179 (1959-07-01), Knudsen
patent: 3216259 (1965-11-01), Bendix
patent: 3281684 (1966-10-01), Reeds
patent: 3466931 (1969-09-01), Spackman, Jr. et al.
patent: 3672219 (1972-06-01), Van Patten
patent: 3680386 (1972-08-01), Cannon
patent: 4322711 (1982-03-01), Spangler et al.
"Normal and Abnormal Relationship Between Brain Circulation . . . ", Acupuncture & Electro-Ther A Peut. Res., in J vol. 3, pp. 49-96, 1978 by Yoshiaki Omura, M.D., SC.D., F.A.C.A.

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