Magnet-based information input apparatus
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United States of America Patent
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-
Oct 23, 2001
Grant Date -
N/A
app pub date -
Dec 14, 1999
filing date -
May 24, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Information is inputted easily and conveniently on a writing board. A sheet member, which is provided with a map and attributed magnet-accommodating areas, is attached onto a magnetic plate provided with coils wound therearound at constant intervals in the vertical direction and in the horizontal direction to provide the writing board. Induced electromotive force-detecting sections are provided to detect the induced electromotive forces of the respective coils. When a magnet is detached, a detachment position is specified from the induced electromotive forces generated in the respective coils. When the magnet is stuck, a sticking position is specified from the induced electromotive forces generated in the respective coils. The position and the attribute are incorporated into a personal computer.
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