Electrical resistors – Mechanically variable – Movable contact electrically adjustable over length of...
Patent
1987-11-06
1989-03-14
Goldberg, E. A.
Electrical resistors
Mechanically variable
Movable contact electrically adjustable over length of...
H01C 1016
Patent
active
048128023
ABSTRACT:
A joy stick including a housing having a ball joint. A lever having a pressing part extending radially outwardly is mounted on the ball joint. A plurality of push rods are mounted in the housing and are urged upwardly by a spring for engagement with the pressing part of the lever. The plurality of potentiometers are connected to the housing. Each of the potentiometers corresponds to one of the push rods. Each potentiometer has associated therewith a slider element which is urged upwardly into engagement with a lower portion of each of the push rods. Each of the potentiometers is linear having a zero voltage output when the push rods and slider elements are in their uppermost positions and the lever is in a neutral position.
REFERENCES:
patent: 4306208 (1981-12-01), Coors
patent: 4641123 (1987-02-01), Whitehead
Nishiumi Kenichi
Watanabe Hideomi
Goldberg E. A.
Kayaba Kogyo Kabushiki Kaisha
Lateef M. M.
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