发明名称 HALTEVORRICHTUNG FUER EINEN POSITIONSABTASTER
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 DE2941074(A1) 申请公布日期 1980.06.04
申请号 DE19792941074 申请日期 1979.10.10
申请人 HEWLETT-PACKARD CO. 发明人 T. HETZEL,HENRY;A. TREMBLAY,MICHAEL
分类号 G06F3/033;(IPC1-7):G06K11/00;G06F3/02 主分类号 G06F3/033
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