发明名称 |
Coordinate Input Device Having Rotating Bodies Capable Of Rotating In A Direction Normal To The Rotation Of A Wheel |
摘要 |
A coordinate input device comprising a wheel operable through rotation includes a plurality of rotating bodies disposed along a circumferential edge of the wheel for rotation and a rotating body rotating state detection means for detecting the rotating state of the rotating bodies.
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申请公布号 |
US2002180701(A1) |
申请公布日期 |
2002.12.05 |
申请号 |
US20000478799 |
申请日期 |
2000.01.07 |
申请人 |
FUJITSU TAKAMISAWA COMPONENT LIMTED |
发明人 |
HAYAMA MASANOBU;NAKAMURA SHUJI |
分类号 |
G06F3/033;G06F3/038;(IPC1-7):G09G5/08 |
主分类号 |
G06F3/033 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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