专利名称：Tablet digitalizer with untethered stylus发明人：Camp, William Oliver, Jr.申请号：EP91121056.5申请日：19911209公开号：EP0503148A1公开日：19920916
专利附图：
摘要：A tablet digitizer with untethered stylus uses a polyvinylidene difluoride(KYNAR) film coated with a conductive resistive coating so that the transient voltagebetween the coating on the upper and lower surfaces of the PVDF piezoelectric film canbe measured. A resistive element forming a voltage divider is provided between
resistance films leads at each corner with the film resistance.
申请人：International Business Machines Corporation
地址：Old Orchard Road Armonk, N.Y. 10504 US
国籍：US
代理机构：Mönig, Anton, Dipl.-Ing.
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