IT7949868A0 - Supporto di registrazione magnetica di sicurezza - Google Patents

Supporto di registrazione magnetica di sicurezza

Info

Publication number
IT7949868A0
IT7949868A0 IT7949868A IT4986879A IT7949868A0 IT 7949868 A0 IT7949868 A0 IT 7949868A0 IT 7949868 A IT7949868 A IT 7949868A IT 4986879 A IT4986879 A IT 4986879A IT 7949868 A0 IT7949868 A0 IT 7949868A0
Authority
IT
Italy
Prior art keywords
magnetic recording
recording media
safety magnetic
safety
media
Prior art date
Application number
IT7949868A
Other languages
English (en)
Other versions
IT1118116B (it
Original Assignee
Pyral Soc
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 Pyral Soc filed Critical Pyral Soc
Publication of IT7949868A0 publication Critical patent/IT7949868A0/it
Application granted granted Critical
Publication of IT1118116B publication Critical patent/IT1118116B/it

Links

Classifications

    • 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
    • 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
    • G11B5/716—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 characterised by two or more magnetic layers
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Credit Cards Or The Like (AREA)
IT49868/79A 1978-08-01 1979-07-26 Supporto di registrazione magnetica di sicurezza IT1118116B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7822667A FR2435778A1 (fr) 1978-08-01 1978-08-01 Support d'enregistrement magnetique securitaire

Publications (2)

Publication Number Publication Date
IT7949868A0 true IT7949868A0 (it) 1979-07-26
IT1118116B IT1118116B (it) 1986-02-24

Family

ID=9211431

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49868/79A IT1118116B (it) 1978-08-01 1979-07-26 Supporto di registrazione magnetica di sicurezza

Country Status (6)

Country Link
US (1) US4303949A (it)
BE (1) BE878000A (it)
DE (1) DE2931043C2 (it)
FR (1) FR2435778A1 (it)
GB (1) GB2026946B (it)
IT (1) IT1118116B (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0033041A1 (fr) * 1980-01-25 1981-08-05 Rhone-Poulenc Systemes Support d'enregistrement magnétique sécuritaire et procédé pour sa réalisation
DE3638575A1 (de) * 1986-11-12 1988-05-19 Gao Ges Automation Org Verfahren zur herstellung von identifikationskarten mit farblich abgedeckter magnetpiste
US4985614A (en) * 1987-01-16 1991-01-15 Rand Mcnally & Company Object verification apparatus and method
US4837426A (en) * 1987-01-16 1989-06-06 Rand, Mcnally & Company Object verification apparatus and method
US4906988A (en) * 1987-01-27 1990-03-06 Rand Mcnally & Co. Object verification system and method
US5216229A (en) * 1989-06-05 1993-06-01 Rand Mcnally & Company Verifiable object having incremental key
KR930011380B1 (ko) * 1989-06-15 1993-12-04 주식회사 유신전자 자기카드의 자성재료 도포방법 및 그에 의한 자기카드
DE68926714T3 (de) * 1989-11-23 2000-01-05 Mantegazza Antonio Arti Grafiche S.R.L., Ospiate Di Bollate Einheit zum Abtasten von magnetischen Kodes
US5177344A (en) * 1990-10-05 1993-01-05 Rand Mcnally & Company Method and appparatus for enhancing a randomly varying security characteristic
US5583631A (en) * 1993-02-11 1996-12-10 Mantegazza Antonio Arti Grafiche S.R.L. Anticounterfeit security device . . . including two security elements
IT1263970B (it) * 1993-02-11 1996-09-05 Mantegazza A Arti Grafici Dispositivo di sicurezza antifalsificazione per documenti in genere
US5480685A (en) * 1993-10-22 1996-01-02 Tomoegawa Paper Co., Ltd. Method of making a magnetic recording medium comprising two magnetic layers
US5629075A (en) * 1994-04-28 1997-05-13 Kao Corporation Magnetic recording medium having a substrate containing magnetic powder
JPH09167308A (ja) * 1995-12-19 1997-06-24 Canon Electron Inc 磁気再生方法、磁気検出素子、磁気検出装置、及び磁気記録媒体
US6031020A (en) * 1998-08-27 2000-02-29 The Standard Register Company Cancellation of micr-readable documents by application of an ink containing magnetic particles
JP3391290B2 (ja) * 1999-03-29 2003-03-31 株式会社村田製作所 Ｉｃカード
FI112288B (fi) * 2000-01-17 2003-11-14 Rafsec Oy Menetelmä älytarrasyöttörainan valmistamiseksi
FI112287B (fi) * 2000-03-31 2003-11-14 Rafsec Oy Menetelmä tuoteanturin muodostamiseksi ja tuoteanturi
FI111881B (fi) * 2000-06-06 2003-09-30 Rafsec Oy Älykorttiraina ja menetelmä sen valmistamiseksi
FI112121B (fi) 2000-12-11 2003-10-31 Rafsec Oy Älytarraraina, menetelmä sen valmistamiseksi, menetelmä kantorainan valmistamiseksi ja älytarrarainan älytarran rakenneosa
FI111039B (fi) * 2001-04-06 2003-05-15 Rafsec Oy Älykorttiraina ja menetelmä sen valmistamiseksi
FI112550B (fi) * 2001-05-31 2003-12-15 Rafsec Oy Älytarra ja älytarraraina
FI117331B (fi) * 2001-07-04 2006-09-15 Rafsec Oy Menetelmä ruiskuvaletun tuotteen valmistamiseksi
FI119401B (fi) * 2001-12-21 2008-10-31 Upm Raflatac Oy Älytarraraina ja menetelmä sen valmistamiseksi
ITMI20080053A1 (it) 2008-01-15 2009-07-16 Fabriano Securities Srl Elemento di sicurezza, particolarmente per banconote, carte di sicurezza e simili, avente caratteristiche anti-contraffazione.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3185775A (en) * 1958-03-10 1965-05-25 Iit Res Inst Oriented tape
DE1190985B (de) * 1962-02-03 1965-04-15 Agfa Ag Magnetischer Aufzeichnungstraeger mit zwei Magnetschichten
GB1212502A (en) * 1966-12-10 1970-11-18 Emi Ltd Improvements relating to cards capable of breaking an authenticity code
US3599153A (en) * 1969-05-23 1971-08-10 United States Banknote Corp Magnetic authentication of security documents having varying ink level coding
US3613101A (en) * 1970-01-21 1971-10-12 Digitronics Corp Magnetic recording utilizing a selective magnetic shielding structure
US3775178A (en) * 1971-08-26 1973-11-27 Minnesota Mining & Mfg Dual-layer quadruplex video recording tape
BE789503A (it) * 1971-10-13 1973-01-15 Burroughs Corp
US3935361A (en) * 1973-05-03 1976-01-27 Addressograph Multigraph Corporation Magnetic impulse record element laminate and method of making same
GB1488483A (en) * 1973-10-23 1977-10-12 Emi Ltd Credit cards and other security documents
GB1516832A (en) * 1975-05-21 1978-07-05 Emi Ltd Security document system
US4090662A (en) * 1975-05-28 1978-05-23 Minnesota Mining And Manufacturing Company Tamperproof magnetically readable label

Also Published As

Publication number Publication date
US4303949A (en) 1981-12-01
DE2931043C2 (de) 1982-04-29
GB2026946B (en) 1982-07-14
FR2435778B1 (it) 1982-04-30
DE2931043A1 (de) 1980-02-14
FR2435778A1 (fr) 1980-04-04
GB2026946A (en) 1980-02-13
IT1118116B (it) 1986-02-24
BE878000A (fr) 1980-01-31

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