发明名称 Electromagnetic input device
摘要 An input device comprises an exciting coil (24) for generating a predetermined exciting magnetic field. First and second coils (26C, 27C) are displaced from each other by a predetermined distance in a predetermined direction and are capable of generating an induced electromotive voltage when excited by the exciting coil (24). Third and fourth coils (28C, 29C) are displaced from each other by a predetermined distance in the predetermined direction and capable of generating an induced electromotive voltage when excited by the exciting coil (28). The third and fourth coils (28C, 29C) are displaced by a predetermined distance from the first and second coils, (26C, 27C) and all of the coils (26C, 27C, 28C, 29C) are similarly constructed.
申请公布号 EP0417921(B1) 申请公布日期 1996.10.16
申请号 EP19900309048 申请日期 1990.08.17
申请人 SONY CORPORATION 发明人 YANO, HAJIME
分类号 G06F3/0354;G06F3/046;(IPC1-7):G06F3/03;G06K11/06 主分类号 G06F3/0354
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