GB1568510A - Information-storage media - Google Patents

Information-storage media Download PDF

Info

Publication number
GB1568510A
GB1568510A GB10598/76A GB1059876A GB1568510A GB 1568510 A GB1568510 A GB 1568510A GB 10598/76 A GB10598/76 A GB 10598/76A GB 1059876 A GB1059876 A GB 1059876A GB 1568510 A GB1568510 A GB 1568510A
Authority
GB
United Kingdom
Prior art keywords
coating
magnetic
masking
layer
information
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
Application number
GB10598/76A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Contact Solutions Ltd
Original Assignee
Racal Zonal Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Racal Zonal Ltd filed Critical Racal Zonal Ltd
Priority to GB10598/76A priority Critical patent/GB1568510A/en
Priority to DE19772710202 priority patent/DE2710202A1/de
Priority to FR7707865A priority patent/FR2344919A1/fr
Priority to BE175840A priority patent/BE852532A/xx
Publication of GB1568510A publication Critical patent/GB1568510A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/40—Identifying or analogous means applied to or incorporated in the record carrier and not intended for visual display simultaneously with the playing-back of the record carrier, e.g. label, leader, photograph
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/80—Card carriers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Credit Cards Or The Like (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
GB10598/76A 1977-03-04 1977-03-04 Information-storage media Expired GB1568510A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB10598/76A GB1568510A (en) 1977-03-04 1977-03-04 Information-storage media
DE19772710202 DE2710202A1 (de) 1977-03-04 1977-03-09 Mittel zur speicherung von informationen und verfahren zu dessen herstellung
FR7707865A FR2344919A1 (fr) 1977-03-04 1977-03-16 Perfectionnements relatifs aux vehicules de conservation d'information
BE175840A BE852532A (fr) 1977-03-04 1977-03-16 Perfectionnements relatifs aux vehicules de conservation d'information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB10598/76A GB1568510A (en) 1977-03-04 1977-03-04 Information-storage media

Publications (1)

Publication Number Publication Date
GB1568510A true GB1568510A (en) 1980-05-29

Family

ID=9970797

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10598/76A Expired GB1568510A (en) 1977-03-04 1977-03-04 Information-storage media

Country Status (4)

Country Link
BE (1) BE852532A (enrdf_load_stackoverflow)
DE (1) DE2710202A1 (enrdf_load_stackoverflow)
FR (1) FR2344919A1 (enrdf_load_stackoverflow)
GB (1) GB1568510A (enrdf_load_stackoverflow)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195270A (en) * 1986-08-22 1988-04-07 Plessey Co Plc Marking of articles with photochromic compounds
GB2243139A (en) * 1990-03-21 1991-10-23 Adhesive Materials Ltd Tamper-proof labels
EP1239307A1 (en) * 2001-03-09 2002-09-11 Sicpa Holding S.A. Magnetic thin film interference device
WO2003102926A1 (en) * 2002-05-29 2003-12-11 Arjo Wiggins Limited Multi-layer sheet product
US7056861B2 (en) 2000-06-02 2006-06-06 Wolfgang Bossert Flat material especially in the form of a sheet or a strip and device for writing on said material
DE10027574B4 (de) * 2000-06-02 2012-11-22 Wolfgang Bossert Flächiges Material, insbesondere als blattförmiger Bogen oder Bahn

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438420A1 (fr) * 1978-10-12 1980-05-09 Porcher Alain Procede d'identification d'animaux ou d'objets et moyens pour sa mise en oeuvre
EP0071933A1 (en) * 1981-08-03 1983-02-16 E.I. Du Pont De Nemours And Company Identification member
DE3422911C1 (de) * 1984-06-20 1985-09-05 Leonhard Kurz GmbH & Co, 8510 Fürth Praegefolie,insbesondere Heisspraegefolie,mit einer Magnetschicht
DE3422908C2 (de) * 1984-06-20 1986-04-30 Leonhard Kurz GmbH & Co, 8510 Fürth Prägefolie, insbesondere Heißprägefolie, mit einer beschreibbaren Oberfläche
US4838648A (en) * 1988-05-03 1989-06-13 Optical Coating Laboratory, Inc. Thin film structure having magnetic and color shifting properties

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195270A (en) * 1986-08-22 1988-04-07 Plessey Co Plc Marking of articles with photochromic compounds
US4927180A (en) * 1986-08-22 1990-05-22 Plessey Overseas Limited Marking of articles with photochromic compounds
GB2195270B (en) * 1986-08-22 1990-05-23 Plessey Co Plc Marking of articles with photochromic compounds
GB2243139A (en) * 1990-03-21 1991-10-23 Adhesive Materials Ltd Tamper-proof labels
US7056861B2 (en) 2000-06-02 2006-06-06 Wolfgang Bossert Flat material especially in the form of a sheet or a strip and device for writing on said material
DE10027574B4 (de) * 2000-06-02 2012-11-22 Wolfgang Bossert Flächiges Material, insbesondere als blattförmiger Bogen oder Bahn
EP1239307A1 (en) * 2001-03-09 2002-09-11 Sicpa Holding S.A. Magnetic thin film interference device
WO2002073250A3 (en) * 2001-03-09 2003-04-24 Sicpa Holding Sa Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device
EA005456B1 (ru) * 2001-03-09 2005-02-24 Сикпа Холдинг С.А. Магнитное тонкоплёночное интерференционное средство или пигмент и способ их изготовления, печатная краска или покрывной композиционный материал, ценная бумага и применение такого магнитного тонкоплёночного интерференционного средства
AU2002250945B2 (en) * 2001-03-09 2006-11-16 Sicpa Holding Sa Magnetic thin film interference device or pigment and method of making it, printing ink or coating composition, security document and use of such a magnetic thin film interference device
WO2003102926A1 (en) * 2002-05-29 2003-12-11 Arjo Wiggins Limited Multi-layer sheet product

Also Published As

Publication number Publication date
FR2344919B3 (enrdf_load_stackoverflow) 1980-02-29
BE852532A (fr) 1977-09-16
FR2344919A1 (fr) 1977-10-14
DE2710202A1 (de) 1977-09-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee