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HK1061711B - 用於物体检测方法及装置的线圈阻抗检测 - Google Patents

用於物体检测方法及装置的线圈阻抗检测 Download PDF

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Publication number
HK1061711B
HK1061711B HK04104602.8A HK04104602A HK1061711B HK 1061711 B HK1061711 B HK 1061711B HK 04104602 A HK04104602 A HK 04104602A HK 1061711 B HK1061711 B HK 1061711B
Authority
HK
Hong Kong
Prior art keywords
driving coil
frequency
impedance
detecting
alternating current
Prior art date
Application number
HK04104602.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
HK1061711A1 (zh
Inventor
Kawakatsu Hiroshi
Original Assignee
Nohken Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nohken Inc. filed Critical Nohken Inc.
Priority claimed from PCT/JP2002/004412 external-priority patent/WO2002090900A1/ja
Publication of HK1061711A1 publication Critical patent/HK1061711A1/zh
Publication of HK1061711B publication Critical patent/HK1061711B/zh

Links

HK04104602.8A 2001-05-08 2002-05-02 用於物体检测方法及装置的线圈阻抗检测 HK1061711B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001136901 2001-05-08
JP2001136901 2001-05-08
PCT/JP2002/004412 WO2002090900A1 (fr) 2001-05-08 2002-05-02 Procede de detection de l'impedance d'une bobine ainsi qu'appareil et procede de detection d'un objet mettant en oeuvre celui-ci

Publications (2)

Publication Number Publication Date
HK1061711A1 HK1061711A1 (zh) 2004-09-30
HK1061711B true HK1061711B (zh) 2017-01-20

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