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    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/36787


    Title: Variable effort joystick
    Authors: Chuang, Keh-Shih K.
    教師: 莊克士
    Date: 1993
    Publisher: none
    Relation: US5228356
    Keywords: joystick
    stepper motor
    threaded screws
    Abstract: A variable resistance joystick (20) configured for computer control is provided. A stepper motor (34) turns threaded screws (30) to move a system of springs (26) up and down on the joystick thus varying the lever arm on which the springs impart force. Thus computer commands (113) to the stepper motor may change the force required by a user to move the joystick. A similar system controls the resistance to movement of a button (108) in the joystick handle (42).
    URI: http://patft.uspto.gov/
    http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=US5228356&F=0
    http://nthur.lib.nthu.edu.tw/handle/987654321/36787
    Appears in Collections:[生醫工程與環境科學系] 專利

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