DE3879397T2 - Vorrichtung zum erkennen eines magnetischen mediums. - Google Patents
Vorrichtung zum erkennen eines magnetischen mediums.Info
- Publication number
- DE3879397T2 DE3879397T2 DE8888119015T DE3879397T DE3879397T2 DE 3879397 T2 DE3879397 T2 DE 3879397T2 DE 8888119015 T DE8888119015 T DE 8888119015T DE 3879397 T DE3879397 T DE 3879397T DE 3879397 T2 DE3879397 T2 DE 3879397T2
- Authority
- DE
- Germany
- Prior art keywords
- carrier
- magnetic
- sensors
- markings
- interference fields
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/025—Compensating stray fields
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
- G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
- G06K7/083—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive
- G06K7/084—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors inductive sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8704704A SE459700B (sv) | 1987-11-26 | 1987-11-26 | Saett att undertrycka verkan av magnetiska stoerfaelt vid detektering av paa en baerare anbringade magnetiska maerken eller markeringar |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3879397D1 DE3879397D1 (de) | 1993-04-22 |
DE3879397T2 true DE3879397T2 (de) | 1993-06-24 |
Family
ID=20370404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888119015T Expired - Fee Related DE3879397T2 (de) | 1987-11-26 | 1988-11-15 | Vorrichtung zum erkennen eines magnetischen mediums. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0317879B1 (de) |
AT (1) | ATE87115T1 (de) |
DE (1) | DE3879397T2 (de) |
ES (1) | ES2039563T3 (de) |
SE (1) | SE459700B (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE524370C2 (sv) | 2002-05-10 | 2004-08-03 | Tetra Laval Holdings & Finance | Förpackningslaminat, bigvals, samt ett skikt för användning till ett förpackningslaminat |
US7064558B1 (en) * | 2004-12-16 | 2006-06-20 | Honeywell International Inc. | Millivolt output circuit for use with programmable sensor compensation integrated circuits |
SE529125C2 (sv) * | 2005-03-02 | 2007-05-08 | Tetra Laval Holdings & Finance | Sätt och anordning för att bestämma läget hos ett förpackningsmaterial med magnetiska markeringar |
JP6055775B2 (ja) * | 2010-11-29 | 2016-12-27 | テトラ ラバル ホールデイングス エ フイナンス ソシエテ アノニム | 磁化可能部分を有する包装材料でできたパッケージ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7405727A (nl) * | 1974-04-29 | 1975-10-31 | Philips Nv | Magnetoweerstandkop. |
CA1076252A (en) * | 1975-04-14 | 1980-04-22 | Frederik W. Gorter | Magnetoresistive head |
US4283774A (en) * | 1979-06-13 | 1981-08-11 | Burroughs Corporation | On-chip method of balancing memory detectors and balanced detectors formed thereby |
JPS58154615A (ja) * | 1982-03-10 | 1983-09-14 | Copal Co Ltd | 磁気検出装置 |
-
1987
- 1987-11-26 SE SE8704704A patent/SE459700B/sv not_active IP Right Cessation
-
1988
- 1988-11-15 DE DE8888119015T patent/DE3879397T2/de not_active Expired - Fee Related
- 1988-11-15 EP EP88119015A patent/EP0317879B1/de not_active Expired - Lifetime
- 1988-11-15 ES ES198888119015T patent/ES2039563T3/es not_active Expired - Lifetime
- 1988-11-15 AT AT88119015T patent/ATE87115T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0317879A1 (de) | 1989-05-31 |
ES2039563T3 (es) | 1993-10-01 |
DE3879397D1 (de) | 1993-04-22 |
SE8704704D0 (sv) | 1987-11-26 |
ATE87115T1 (de) | 1993-04-15 |
EP0317879B1 (de) | 1993-03-17 |
SE459700B (sv) | 1989-07-24 |
SE8704704L (sv) | 1989-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: AB TETRA PAK, LUND, SE |
|
8339 | Ceased/non-payment of the annual fee |