JPH0134904B2 - - Google Patents
Info
- Publication number
- JPH0134904B2 JPH0134904B2 JP57222820A JP22282082A JPH0134904B2 JP H0134904 B2 JPH0134904 B2 JP H0134904B2 JP 57222820 A JP57222820 A JP 57222820A JP 22282082 A JP22282082 A JP 22282082A JP H0134904 B2 JPH0134904 B2 JP H0134904B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- received signal
- maximum value
- metal plates
- minimum value
- 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.)
- Expired
Links
- 239000002184 metal Substances 0.000 claims description 21
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000007257 malfunction Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
- B65H7/12—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Geophysics And Detection Of Objects (AREA)
- Controlling Sheets Or Webs (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57222820A JPS59114247A (ja) | 1982-12-17 | 1982-12-17 | 2枚送り検出器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57222820A JPS59114247A (ja) | 1982-12-17 | 1982-12-17 | 2枚送り検出器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59114247A JPS59114247A (ja) | 1984-07-02 |
JPH0134904B2 true JPH0134904B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-07-21 |
Family
ID=16788416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57222820A Granted JPS59114247A (ja) | 1982-12-17 | 1982-12-17 | 2枚送り検出器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59114247A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2641591B2 (ja) * | 1990-03-22 | 1997-08-13 | 日本精密電気株式会社 | 薄板重複検出器 |
JP3519806B2 (ja) * | 1994-11-29 | 2004-04-19 | 株式会社小野測器 | 厚さ弁別装置 |
JP5556419B2 (ja) * | 2010-06-22 | 2014-07-23 | マツダ株式会社 | 成形用ブランク枚数判別装置及び同判別方法 |
-
1982
- 1982-12-17 JP JP57222820A patent/JPS59114247A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59114247A (ja) | 1984-07-02 |
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