| 摘要 |
PCT No. PCT/KR94/00024 Sec. 371 Date Sep. 14, 1995 Sec. 102(e) Date Sep. 14, 1995 PCT Filed Mar. 19, 1994 PCT Pub. No. WO94/22071 PCT Pub. Date Sep. 29, 1994A compact mouse structure comprises a small ball of the golf ball type on the surface of which a plurality of concaved optical reflectors is formed or the image information is written, and for detecting the position displacement as well as for enabling the ball to contain the position displacement information and the control parameter information, thereby realizing its compact structure.
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