Patent ID: 6404415
Filing Date: 2002-06-11
Classification: G06F

Abstract:
A control mechanism for controlling a position of a cursor on a display screen for a computer, comprising:a housing including a recess on one side of said housing; a frame positioned within said housing; a bar supported by said frame and positioned between said frame and said housing, said bar being rotatively moveable and linearly moveable within said recess of said housing; a slider supported by said bar and positioned between said housing and said bar, said slider being linearly moveable with said bar; a first mark member coupled to said bar for indicating displacement of said bar during rotation of said bar; a second mark member provided on said slider for indicating displacement of said slider during linear movement of said slider, said second mark member including a plurality of lines located to one side of said slider, said plurality of lines of said second mark member being formed vertically relative to a direction of movement of said slider; a detector for detecting displacement of said first mark member and displacement of said second mark member and for producing a detecting signal indicating said displacement of said first mark member and a detecting signal indicating said displacement of said second mark member; and a system unit for analyzing each detecting signal received from said detector to control a position of said cursor on said display screen of said computer.