发明名称 |
Position indicating device. |
摘要 |
<p>A manual position indicating device comprises a body portion (1) that can be moved by hand across a surface; and a support member (4) movably mounted to the body portion. The support member includes a graticule (13) and associated signal generating or detecting circuitry for interaction in use with position determining apparatus, whereby the relative positions of the graticule (13) and the body portion (1) are selected by suitably moving the support member and body portion relatively to one another. A cooperating ball (11) and notch system (10) is provided for locking the support member (4) relative to the body portion (1) in a number of different positions.</p> |
申请公布号 |
EP0348153(A1) |
申请公布日期 |
1989.12.27 |
申请号 |
EP19890306230 |
申请日期 |
1989.06.20 |
申请人 |
CROSFIELD ELECTRONICS LIMITED |
发明人 |
MCGONIGAL, STEPHEN GEORGE;MACDONALD, LINDSAY |
分类号 |
G06K11/06;G06F3/033;G06F3/041 |
主分类号 |
G06K11/06 |
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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