IT8221863A0 - Dispositivo di trasduzione a magnetoresistenza, per la lettura di informazioni in codice a bassa densita'. - Google Patents
Dispositivo di trasduzione a magnetoresistenza, per la lettura di informazioni in codice a bassa densita'.Info
- Publication number
- IT8221863A0 IT8221863A0 IT8221863A IT2186382A IT8221863A0 IT 8221863 A0 IT8221863 A0 IT 8221863A0 IT 8221863 A IT8221863 A IT 8221863A IT 2186382 A IT2186382 A IT 2186382A IT 8221863 A0 IT8221863 A0 IT 8221863A0
- Authority
- IT
- Italy
- Prior art keywords
- magnetoresistor
- low density
- reading information
- transduction device
- density code
- Prior art date
Links
- 230000026683 transduction Effects 0.000 title 1
- 238000010361 transduction Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
-
- 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
- G06K7/087—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 flux-sensitive, e.g. magnetic, detectors
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8112071A FR2508203A1 (fr) | 1981-06-19 | 1981-06-19 | Dispositif de transduction magnetoresistant de lecture d'informations codees a faible densite |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8221863A0 true IT8221863A0 (it) | 1982-06-15 |
IT1190870B IT1190870B (it) | 1988-02-24 |
Family
ID=9259681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21863/82A IT1190870B (it) | 1981-06-19 | 1982-06-15 | Dispositivo di trasduzione a magnetoresistenza,per la lettura di informazioni in codice a bassa densita' |
Country Status (6)
Country | Link |
---|---|
US (1) | US4439671A (it) |
JP (1) | JPS57212579A (it) |
DE (1) | DE3222789A1 (it) |
FR (1) | FR2508203A1 (it) |
GB (1) | GB2100910B (it) |
IT (1) | IT1190870B (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4523243A (en) * | 1982-05-24 | 1985-06-11 | Storage Technology Corporation | Magnetoresistive transducer using an independent recessed electromagnetic bias |
ES8403555A1 (es) * | 1983-03-08 | 1984-03-16 | Zottnik Edmund | Sistema codificado de validacion y comando. |
JPH02124575U (it) * | 1989-03-24 | 1990-10-15 | ||
FR2656454B1 (fr) * | 1989-12-22 | 1995-07-21 | Thomson Csf | Tete de lecture multipiste. |
AT398497B (de) * | 1990-01-23 | 1994-12-27 | Groessinger R Dr | Codiersystem und codeträger |
GB9007548D0 (en) * | 1990-04-04 | 1990-05-30 | Lethaby Numbering Systems Limi | Marking assembly |
US5390054A (en) * | 1993-03-12 | 1995-02-14 | Minnesota Mining And Manufacturing Company | Method and system for minimizing the error rate of a digital recording system by predicting the optimal bias current |
FR2767217B1 (fr) * | 1997-08-06 | 1999-11-12 | Conception Organisation Logist | Systeme de lecture et d'authentification d'un code magnetique |
FR2767218B1 (fr) * | 1997-08-06 | 1999-11-12 | Conception Organisation Logist | Code magnetique comportant une base de lecture et systeme de lecture d'un tel code |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1471893A (fr) * | 1965-03-24 | 1967-03-03 | Siemens Ag | Porteur d'informations à exploration galvanomagnétique comportant un organe d'exploration |
US3887944A (en) * | 1973-06-29 | 1975-06-03 | Ibm | Method for eliminating part of magnetic crosstalk in magnetoresistive sensors |
JPS5927115B2 (ja) * | 1974-12-29 | 1984-07-03 | ソニー株式会社 | 情報検出装置 |
FR2393318A1 (fr) * | 1977-06-02 | 1978-12-29 | Cii Honeywell Bull | Dispositif de detection de champ magnetique |
US4356523A (en) * | 1980-06-09 | 1982-10-26 | Ampex Corporation | Narrow track magnetoresistive transducer assembly |
-
1981
- 1981-06-19 FR FR8112071A patent/FR2508203A1/fr active Pending
-
1982
- 1982-03-09 US US06/356,432 patent/US4439671A/en not_active Expired - Fee Related
- 1982-03-23 GB GB08208512A patent/GB2100910B/en not_active Expired
- 1982-05-19 JP JP57084675A patent/JPS57212579A/ja active Pending
- 1982-06-15 IT IT21863/82A patent/IT1190870B/it active
- 1982-06-18 DE DE19823222789 patent/DE3222789A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS57212579A (en) | 1982-12-27 |
FR2508203A1 (fr) | 1982-12-24 |
GB2100910A (en) | 1983-01-06 |
US4439671A (en) | 1984-03-27 |
GB2100910B (en) | 1985-05-15 |
DE3222789A1 (de) | 1983-01-05 |
IT1190870B (it) | 1988-02-24 |
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