JPH03123285U - - Google Patents

Info

Publication number
JPH03123285U
JPH03123285U JP3190290U JP3190290U JPH03123285U JP H03123285 U JPH03123285 U JP H03123285U JP 3190290 U JP3190290 U JP 3190290U JP 3190290 U JP3190290 U JP 3190290U JP H03123285 U JPH03123285 U JP H03123285U
Authority
JP
Japan
Prior art keywords
inspected
magnetic field
processing unit
central processing
alternating magnetic
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.)
Granted
Application number
JP3190290U
Other languages
Japanese (ja)
Other versions
JPH089654Y2 (en
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 filed Critical
Priority to JP1990031902U priority Critical patent/JPH089654Y2/en
Publication of JPH03123285U publication Critical patent/JPH03123285U/ja
Application granted granted Critical
Publication of JPH089654Y2 publication Critical patent/JPH089654Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例を示すブロツク図
、第２図は従来の金属検出機の一例を示すブロツ
ク図、第３図ａ，ｂは第２図の検出動作を説明す
るためのブロツク図である。 図中、１……発振器、２……送信コイル、３ａ
，３ｂ……受信コイル、４ａ，４ｂ……ボリユー
ム、５……増幅器、６ａ，６ｂ……同期検波器、
７ａ，７ｂ……アナログフイルタ、８，９……第
１、第２の移相器、１０……判別回路、１１……
ＣＰＵ、１２……ＲＯＭ、１３……ＲＡＭ、１４
……Ｉ／Ｏポート、１５……バス、１６……メモ
リカードである。 Fig. 1 is a block diagram showing an embodiment of this invention, Fig. 2 is a block diagram showing an example of a conventional metal detector, and Figs. 3 a and b are block diagrams for explaining the detection operation of Fig. 2. It is a diagram. In the figure, 1... oscillator, 2... transmitting coil, 3a
, 3b... Receiving coil, 4a, 4b... Volume, 5... Amplifier, 6a, 6b... Synchronous detector,
7a, 7b...Analog filter, 8, 9...First and second phase shifters, 10...Discrimination circuit, 11...
CPU, 12...ROM, 13...RAM, 14
... I/O port, 15 ... bus, 16 ... memory card.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交番磁界を発生する送信コイルと、この交番磁
界を受ける受信コイルとの間に被検査体を通過さ
せ、前記受信コイルに得られた検出信号の大きさ
を中央処理装置で判別して異物金属の検出を行う
金属検出機において、前記被検査体に対する金属
検出の最適値を記憶する読み出し書込み可能なメ
モリカードを前記中央処理装置の外部記憶素子と
して備えたことを特徴とする金属検出機。 The object to be inspected is passed between a transmitting coil that generates an alternating magnetic field and a receiving coil that receives this alternating magnetic field, and the central processing unit determines the magnitude of the detection signal obtained from the receiving coil to detect foreign metal. What is claimed is: 1. A metal detector for detecting metals, comprising: a readable/writable memory card for storing optimum metal detection values for the object to be inspected as an external storage element of the central processing unit.
JP1990031902U 1990-03-29 1990-03-29 Metal detector Expired - Fee Related JPH089654Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990031902U JPH089654Y2 (en) 1990-03-29 1990-03-29 Metal detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990031902U JPH089654Y2 (en) 1990-03-29 1990-03-29 Metal detector

Publications (2)

Publication Number Publication Date
JPH03123285U true JPH03123285U (en) 1991-12-16
JPH089654Y2 JPH089654Y2 (en) 1996-03-21

Family

ID=31534707

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990031902U Expired - Fee Related JPH089654Y2 (en) 1990-03-29 1990-03-29 Metal detector

Country Status (1)

Country Link
JP (1) JPH089654Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004086095A1 (en) * 2003-03-12 2004-10-07 Anritsu Industrial Solutions Co., Ltd. Metal detector

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044824A (en) * 1983-08-22 1985-03-11 Toyota Motor Corp Measurement controlling apparatus
JPS63204151A (en) * 1987-02-18 1988-08-23 Shimadzu Corp Analyzer
JPH01262494A (en) * 1988-04-13 1989-10-19 Yamato Scale Co Ltd Inclusion detector for foreign matter such as metal or the like

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6044824A (en) * 1983-08-22 1985-03-11 Toyota Motor Corp Measurement controlling apparatus
JPS63204151A (en) * 1987-02-18 1988-08-23 Shimadzu Corp Analyzer
JPH01262494A (en) * 1988-04-13 1989-10-19 Yamato Scale Co Ltd Inclusion detector for foreign matter such as metal or the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004086095A1 (en) * 2003-03-12 2004-10-07 Anritsu Industrial Solutions Co., Ltd. Metal detector
CN100344996C (en) * 2003-03-12 2007-10-24 安立产业机械株式会社 Metal detector

Also Published As

Publication number Publication date
JPH089654Y2 (en) 1996-03-21

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Legal Events

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