IT1121425B - Procedimento e apparecchio di lettura d'informazioni codificate magneticamente - Google Patents
Procedimento e apparecchio di lettura d'informazioni codificate magneticamenteInfo
- Publication number
- IT1121425B IT1121425B IT23626/79A IT2362679A IT1121425B IT 1121425 B IT1121425 B IT 1121425B IT 23626/79 A IT23626/79 A IT 23626/79A IT 2362679 A IT2362679 A IT 2362679A IT 1121425 B IT1121425 B IT 1121425B
- Authority
- IT
- Italy
- Prior art keywords
- information reading
- coded information
- reading procedure
- magnetically coded
- magnetically
- Prior art date
Links
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)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Magnetic Heads (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7818039A FR2428875A1 (fr) | 1978-06-16 | 1978-06-16 | Procede et appareil de lecture d'informations codees magnetiquement |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7923626A0 IT7923626A0 (it) | 1979-06-15 |
IT1121425B true IT1121425B (it) | 1986-04-02 |
Family
ID=9209611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23626/79A IT1121425B (it) | 1978-06-16 | 1979-06-15 | Procedimento e apparecchio di lettura d'informazioni codificate magneticamente |
Country Status (6)
Country | Link |
---|---|
US (1) | US4246474A (it) |
JP (1) | JPS553099A (it) |
DE (1) | DE2924248A1 (it) |
FR (1) | FR2428875A1 (it) |
GB (1) | GB2026753B (it) |
IT (1) | IT1121425B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3107942C2 (de) * | 1981-03-02 | 1983-06-30 | Nippon Steel Corp., Tokyo | Nichtorientiertes Siliziumstahlblech mit gleichmäßigen magnetischen Eigenschaften |
JPS57183745U (it) * | 1981-05-18 | 1982-11-20 | ||
US4475238A (en) * | 1982-04-05 | 1984-10-02 | Everhart Glenn C | Magnetoresistive image correlation device |
JPS61177592A (ja) * | 1985-02-01 | 1986-08-09 | アイエム電子株式会社 | 印刷物の種類鑑別装置 |
GB8803504D0 (en) * | 1988-02-16 | 1988-03-16 | Mr Sensors Ltd | Method of decoding recorded data |
EP0342062A3 (en) * | 1988-05-12 | 1992-09-30 | Fujitsu Limited | Recognising patterns printed in magnetizable ink |
US5838607A (en) * | 1996-09-25 | 1998-11-17 | Motorola, Inc. | Spin polarized apparatus |
US6633233B1 (en) * | 1999-11-18 | 2003-10-14 | University Of Florida | Acceleration rate meter |
US6940277B2 (en) * | 2000-11-17 | 2005-09-06 | University Of South Florida | Giant magnetoresistance based nanopositioner encoder |
US7113104B2 (en) * | 2000-11-17 | 2006-09-26 | University Of South Florida | Giant magnetoresistance based gyroscope |
US6744566B2 (en) | 2002-10-01 | 2004-06-01 | Eastman Kodak Company | Symmetric, bi-aspheric lens for use in transmissive and reflective optical fiber components |
JP4525242B2 (ja) * | 2004-08-23 | 2010-08-18 | 富士ゼロックス株式会社 | 磁性体が付与された媒体および磁性体検知装置 |
US9967038B2 (en) * | 2014-05-16 | 2018-05-08 | Regents Of The University Of Minnesota | Optical interconnect in spin-based computation and communication systems |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3493694A (en) * | 1966-01-19 | 1970-02-03 | Ampex | Magnetoresistive head |
FR2165206A5 (it) * | 1971-12-22 | 1973-08-03 | Cii | |
JPS576962Y2 (it) * | 1974-07-26 | 1982-02-09 | ||
JPS5927115B2 (ja) * | 1974-12-29 | 1984-07-03 | ソニー株式会社 | 情報検出装置 |
-
1978
- 1978-06-16 FR FR7818039A patent/FR2428875A1/fr active Granted
-
1979
- 1979-05-03 US US06/035,482 patent/US4246474A/en not_active Expired - Lifetime
- 1979-05-08 GB GB7915853A patent/GB2026753B/en not_active Expired
- 1979-06-15 JP JP7476379A patent/JPS553099A/ja active Pending
- 1979-06-15 DE DE19792924248 patent/DE2924248A1/de not_active Withdrawn
- 1979-06-15 IT IT23626/79A patent/IT1121425B/it active
Also Published As
Publication number | Publication date |
---|---|
US4246474A (en) | 1981-01-20 |
FR2428875A1 (fr) | 1980-01-11 |
GB2026753B (en) | 1982-07-07 |
IT7923626A0 (it) | 1979-06-15 |
FR2428875B1 (it) | 1980-10-24 |
GB2026753A (en) | 1980-02-06 |
DE2924248A1 (de) | 1979-12-20 |
JPS553099A (en) | 1980-01-10 |
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