JPS5329149A - Metal detector - Google Patents

Metal detector

Info

Publication number
JPS5329149A
JPS5329149A JP10384376A JP10384376A JPS5329149A JP S5329149 A JPS5329149 A JP S5329149A JP 10384376 A JP10384376 A JP 10384376A JP 10384376 A JP10384376 A JP 10384376A JP S5329149 A JPS5329149 A JP S5329149A
Authority
JP
Japan
Prior art keywords
metal detector
metal
highsensitivity
approaching
coils
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP10384376A
Other languages
Japanese (ja)
Inventor
Toshihiko Maruo
Hisatoshi Nodera
Yasunori Asakura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP10384376A priority Critical patent/JPS5329149A/en
Publication of JPS5329149A publication Critical patent/JPS5329149A/en
Pending legal-status Critical Current

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  • Geophysics And Detection Of Objects (AREA)

Abstract

PURPOSE: To make possible easy correction from the outside and facilitate highsensitivity setting of metal detection by providing a differential coil device to a metal detector comprising electromagnetic coupling of two coils and utilizing the change in the degree of their coupling according to the approaching of a metal body.
COPYRIGHT: (C)1978,JPO&Japio
JP10384376A 1976-08-31 1976-08-31 Metal detector Pending JPS5329149A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10384376A JPS5329149A (en) 1976-08-31 1976-08-31 Metal detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10384376A JPS5329149A (en) 1976-08-31 1976-08-31 Metal detector

Publications (1)

Publication Number Publication Date
JPS5329149A true JPS5329149A (en) 1978-03-18

Family

ID=14364701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10384376A Pending JPS5329149A (en) 1976-08-31 1976-08-31 Metal detector

Country Status (1)

Country Link
JP (1) JPS5329149A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952781A (en) * 1982-09-20 1984-03-27 Shimadzu Corp Metal detector
JPS5969885A (en) * 1982-10-13 1984-04-20 神鋼電機株式会社 Coin discriminator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5952781A (en) * 1982-09-20 1984-03-27 Shimadzu Corp Metal detector
JPS5969885A (en) * 1982-10-13 1984-04-20 神鋼電機株式会社 Coin discriminator

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