Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1992-05-05
1994-03-08
Oberley, Alvin E.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345156, G09G 302
Patent
active
052931587
ABSTRACT:
The present invention relates to an X-Y direction input device which shifts a cursor on a screen in any direction, and particularly to an X-Y direction input device capable of not only decreasing its thickness to realize a compact size but increasing its resolution or realizing superior operability. An X-Y direction input device comprises a casing for forming an outer body and an operating body accommodated in the casing to be mutually shiftable so that a cursor displayed on a display apparatus can be shifted in any direction in response to a shifting motion of this operating body. This input device comprises a base plate on which an X-direction pattern and a Y-direction pattern are respectively provided, a first holder which is provided to be shiftable in a Y-direction, a second holder which is provided to be shiftable in an X-direction, a plurality of cover plates covering an opening formed on the casing and provided to be shiftable independently with each other. And the operating body includes an engaging portion engaging with the first and second holders and a projection exposing through an opening formed on the casing. Furthermore, the first holder is guided at its both end portions and its intermediate portion in the Y-direction and the second holder is guided at its both end portions and its intermediate portion in the X-direction, thereby smoothing the movement of the operating body.
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patent: 4879556 (1989-11-01), Duimel
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patent: 5086296 (1992-02-01), Clark
Alps Electric Co. ,Ltd.
Bever Patrick T.
Oberley Alvin E.
Oh Minsun
Shoup Guy W.
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