Title:
MAGNETIC PROXIMITY SWITCH AND MAGNETIC DETECTION SWITCH
Document Type and Number:
WIPO Patent Application WO/2010/087100
Kind Code:
A1
Abstract:
Provided are a magnetic proximity switch and a magnetic detection system, which can detect a position in a magnetic environment by optimizing the layouts of a rare-earth magnet and a whole IC. In the magnetic detection system, a rare-earth magnet (30) is embedded in a movable body (10), and a magnetic proximity switch (40) provided with a whole IC having an operating point for detecting the magnetic force of the rare-earth magnet (30) is embedded in a base (20), so that the relative position between the movable body (10) and the base (20) is detected. The north pole of the rare-earth magnet (30) is opposed to the operating point, and is disposed so that a magnetic line linearly emitted from the center of the magnetic poles of the rare-earth magnet (30) can reach the operating point.
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Inventors:
ASA, Yukihiro (LTD. 5-16-8 Ogawahigashi-cho, Kodaira-sh, Tokyo 31, 〒1870031, JP)
Application Number:
JP2009/071747
Publication Date:
August 05, 2010
Filing Date:
December 28, 2009
Export Citation:
Assignee:
ASA ELECTRONICS INDUSTRY CO., LTD. (5-16-8, Ogawahigashi-cho Kodaira-sh, Tokyo 31, 〒1870031, JP)
アサ電子工業株式会社 (〒31 東京都小平市小川東町５－１６－８ Tokyo, 〒1870031, JP)
アサ電子工業株式会社 (〒31 東京都小平市小川東町５－１６－８ Tokyo, 〒1870031, JP)
International Classes:
H01H36/00; G01B7/00; G01R33/02; G01R33/07
Attorney, Agent or Firm:
SAWADA, Masao (Izumi Bldg. 2F, 1-20-3 Kamata, Ohta-k, Tokyo 52, 〒1440052, JP)
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