发明名称 |
VACUUM HOLD DOWN FOR A DIGITZER CURSOR |
摘要 |
A cursor for a digitizer is selectively made to adhere to the digitizing surface by the controlled application of a vacuum to the underside of the cursor. The control can reside either in a manually activated switch on the cursor, or in commands issued to the digitizer by its controlling device. <IMAGE> |
申请公布号 |
HK20286(A) |
申请公布日期 |
1986.03.27 |
申请号 |
HK19860000202 |
申请日期 |
1986.03.20 |
申请人 |
HEWLETT-PACKARD COMPANY |
发明人 |
HENRY T. HETZEL;MICHAEL A. TREMBLAY |
分类号 |
G06F3/033;(IPC1-7):F16B47/00 |
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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