BE859785A - Procede d'enregistrement magnetique inalterable - Google Patents
Procede d'enregistrement magnetique inalterableInfo
- Publication number
- BE859785A BE859785A BE1008444A BE1008444A BE859785A BE 859785 A BE859785 A BE 859785A BE 1008444 A BE1008444 A BE 1008444A BE 1008444 A BE1008444 A BE 1008444A BE 859785 A BE859785 A BE 859785A
- Authority
- BE
- Belgium
- Prior art keywords
- unalterable
- magnetic recording
- recording process
- magnetic
- unalterable magnetic
- 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
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/842—Coating a support with a liquid magnetic dispersion
- G11B5/845—Coating a support with a liquid magnetic dispersion in a magnetic field
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
- G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
- G06K1/125—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by magnetic means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
- G06K19/022—Processes or apparatus therefor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
- G06K19/06196—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
- Credit Cards Or The Like (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7633331A FR2370339A1 (fr) | 1976-11-04 | 1976-11-04 | Procede d'enregistrement magnetique inalterable |
Publications (1)
Publication Number | Publication Date |
---|---|
BE859785A true BE859785A (fr) | 1978-04-17 |
Family
ID=9179554
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE1008444A BE859785A (fr) | 1976-11-04 | 1977-10-17 | Procede d'enregistrement magnetique inalterable |
Country Status (12)
Country | Link |
---|---|
US (1) | US4158862A (fr) |
JP (1) | JPS6012682B2 (fr) |
BE (1) | BE859785A (fr) |
CA (1) | CA1094686A (fr) |
DE (1) | DE2748574C2 (fr) |
DK (1) | DK489877A (fr) |
FR (1) | FR2370339A1 (fr) |
GB (1) | GB1543139A (fr) |
IE (1) | IE45831B1 (fr) |
IT (1) | IT1087873B (fr) |
LU (1) | LU78442A1 (fr) |
NL (1) | NL192277C (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385153A1 (fr) * | 1977-03-25 | 1978-10-20 | Transac Dev Transact Automat | Procede de codage magnetique |
FR2408890A1 (fr) * | 1977-11-10 | 1979-06-08 | Transac Dev Transact Automat | Procede et dispositif d'orientation et de fixation dans une direction determinee de particules magnetiques contenues dans une encre polymerisable |
IT1109303B (it) * | 1978-10-30 | 1985-12-16 | Ipm Ind Politecnica Meridional | Carta di credito a magnetizzazione anisotropa uniassale |
JPS5888832A (ja) * | 1981-11-19 | 1983-05-27 | Mizumishima Shiko Kk | 磁気ストライプの製法 |
EP0094452A3 (fr) * | 1982-05-19 | 1986-01-02 | International Business Machines Corporation | Fabrication d'un milieu d'enregistrement magnétique avec des particules aciculaires ayant une orientation perpendiculaire |
US5981053A (en) * | 1993-10-05 | 1999-11-09 | Sandia Corporation | Tamper resistant magnetic stripes |
AUPO728397A0 (en) * | 1997-06-11 | 1997-07-03 | Securency Pty Ltd | Security document including a magnetic watermark and method of production thereof |
WO2000047419A1 (fr) | 1999-02-09 | 2000-08-17 | Source Technologies, Inc. | Formulation d'encre a particules aciculaires pour systeme d'imprimante a jet d'encre |
DE10008097A1 (de) * | 2000-02-22 | 2001-09-20 | Forschungszentrum Juelich Gmbh | Markierungseinrichtung sowie Verfahren zum Auslesen einer solchen Markierungseinrichtung |
US20080084634A1 (en) * | 2006-09-22 | 2008-04-10 | Board Of Regents Of The Nevada System Of Higher Education On Behalf Of The University Nevada | Devices and methods for storing data |
US7950587B2 (en) * | 2006-09-22 | 2011-05-31 | The Board of Regents of the Nevada System of Higher Education on behalf of the University of Reno, Nevada | Devices and methods for storing data |
US9011752B2 (en) * | 2008-03-03 | 2015-04-21 | Nokia Corporation | Electromagnetic wave transmission lines using magnetic nanoparticle composites |
PT2468423T (pt) * | 2010-12-27 | 2016-07-11 | Viavi Solutions Inc | Sistema e método para formar uma imagem sobre um substrato |
CN113400777B (zh) * | 2021-06-10 | 2022-03-15 | 南京特麦奥包装材料有限责任公司 | 用于磁性封签的生产设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1495561A (fr) * | 1966-08-08 | 1967-09-22 | Automatisme Cie Gle | Machine d'impression de tickets magnétiques |
US3662397A (en) * | 1969-09-25 | 1972-05-09 | Honeywell Inc | Thermal sensitive recording medium responsive to force fields and apparatus for using same |
US3845499A (en) * | 1969-09-25 | 1974-10-29 | Honeywell Inc | Apparatus for orienting magnetic particles having a fixed and varying magnetic field component |
GB1346992A (en) * | 1970-05-15 | 1974-02-13 | Racal Zonal Ltd | Magnetic tape |
US3803633A (en) * | 1972-03-10 | 1974-04-09 | Bell & Howell Co | Methods, apparatus and media for magnetically recording information |
US3878367A (en) * | 1973-05-02 | 1975-04-15 | Minnesota Mining & Mfg | Magnetic security document and method for making same |
US3873975A (en) * | 1973-05-02 | 1975-03-25 | Minnesota Mining & Mfg | System and method for authenticating and interrogating a magnetic record medium |
US3947879A (en) * | 1974-12-04 | 1976-03-30 | Honeywell Inc. | Multi-color recording medium responsive to force fields and apparatus for recording on the medium |
-
1976
- 1976-11-04 FR FR7633331A patent/FR2370339A1/fr active Granted
-
1977
- 1977-10-17 BE BE1008444A patent/BE859785A/fr not_active IP Right Cessation
- 1977-10-24 GB GB44116/77A patent/GB1543139A/en not_active Expired
- 1977-10-27 US US05/846,088 patent/US4158862A/en not_active Expired - Lifetime
- 1977-10-28 DE DE2748574A patent/DE2748574C2/de not_active Expired
- 1977-10-31 NL NL7711970A patent/NL192277C/nl not_active IP Right Cessation
- 1977-11-02 JP JP52130926A patent/JPS6012682B2/ja not_active Expired
- 1977-11-03 LU LU78442A patent/LU78442A1/xx unknown
- 1977-11-03 DK DK489877A patent/DK489877A/da unknown
- 1977-11-03 IE IE2240/77A patent/IE45831B1/en not_active IP Right Cessation
- 1977-11-03 IT IT29297/77A patent/IT1087873B/it active
- 1977-11-03 CA CA290,129A patent/CA1094686A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2370339A1 (fr) | 1978-06-02 |
JPS5357809A (en) | 1978-05-25 |
DK489877A (da) | 1978-05-05 |
IE45831B1 (en) | 1982-12-15 |
JPS6012682B2 (ja) | 1985-04-03 |
LU78442A1 (fr) | 1978-07-12 |
IT1087873B (it) | 1985-06-04 |
CA1094686A (fr) | 1981-01-27 |
DE2748574A1 (de) | 1978-05-18 |
US4158862A (en) | 1979-06-19 |
NL7711970A (nl) | 1978-05-08 |
DE2748574C2 (de) | 1986-04-03 |
NL192277B (nl) | 1996-12-02 |
IE45831L (en) | 1978-05-04 |
GB1543139A (en) | 1979-03-28 |
FR2370339B1 (fr) | 1979-03-02 |
NL192277C (nl) | 1997-04-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: TRANSAC - CIE POUR LE DEVELOPPEMENT DES TRANSACTI Effective date: 19971017 |