Joy stick
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 14, 1989
Grant Date -
N/A
app pub date -
Nov 6, 1987
filing date -
Nov 6, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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