发明名称 |
Coordinate input apparatus |
摘要 |
Disclosed is a coordinate input apparatus including a vibrating input pen 3, a piezoelectric element 4 in the pen 3, a vibration transfer plate 8 and vibration sensors 6 provided around the vibration transfer plate 8. The vibrator 4 is driven by a vibrator driving circuit 2 to generate a vibration, which is transmitted to vibration transfer plate 8. The apparatus is capable of calculating coordinate thereon accurately with phase information of detected signal waveform.
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申请公布号 |
US5736979(A) |
申请公布日期 |
1998.04.07 |
申请号 |
US19940355437 |
申请日期 |
1994.12.13 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
KOBAYASHI, KATSUYUKI;TANAKA, ATSUSHI;YOSHIMURA, YUICHIRO;KANEKO, KIYOSHI;TOKIOKA, MASAKI |
分类号 |
G06F3/043;G06F3/033;(IPC1-7):G09G5/00 |
主分类号 |
G06F3/043 |
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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