BR8807747A - Vertificador de validade - Google Patents

Vertificador de validade

Info

Publication number
BR8807747A
BR8807747A BR888807747A BR8807747A BR8807747A BR 8807747 A BR8807747 A BR 8807747A BR 888807747 A BR888807747 A BR 888807747A BR 8807747 A BR8807747 A BR 8807747A BR 8807747 A BR8807747 A BR 8807747A
Authority
BR
Brazil
Prior art keywords
validity checker
checker
validity
Prior art date
Application number
BR888807747A
Other languages
English (en)
Inventor
Brown David Robert
Original Assignee
Vistramark 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 Vistramark Ltd filed Critical Vistramark Ltd
Publication of BR8807747A publication Critical patent/BR8807747A/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
    • B42D25/23—Identity cards
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/004—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using digital security elements, e.g. information coded on a magnetic thread or strip
    • 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
    • G06K7/089—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 hand-held scanners

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Credit Cards Or The Like (AREA)
BR888807747A 1987-10-13 1988-10-06 Vertificador de validade BR8807747A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878723957A GB8723957D0 (en) 1987-10-13 1987-10-13 Security system
PCT/GB1988/000834 WO1989003314A1 (en) 1987-10-13 1988-10-06 Security system

Publications (1)

Publication Number Publication Date
BR8807747A true BR8807747A (pt) 1990-08-07

Family

ID=10625214

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888807747A BR8807747A (pt) 1987-10-13 1988-10-06 Vertificador de validade

Country Status (7)

Country Link
EP (1) EP0395659A1 (pt)
JP (1) JPH03501418A (pt)
AU (1) AU2536688A (pt)
BR (1) BR8807747A (pt)
DK (1) DK83490A (pt)
GB (1) GB8723957D0 (pt)
WO (1) WO1989003314A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4138131A1 (de) * 1991-10-19 1993-04-22 Provera Ges Fuer Projektierung Kontaktlose chip-karte mit integriertem mikroprozessor und vorrichtung zum lesen und eingeben von informationen
DE4213797A1 (de) * 1992-04-27 1993-10-28 Bavaria Med Tech Medizinisches Informationssystem
AU694912B3 (en) * 1998-02-26 1998-07-30 Coms21 Limited Reader

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8525161D0 (en) * 1985-10-11 1985-11-13 Blackwell V C Personalised identification device

Also Published As

Publication number Publication date
GB8723957D0 (en) 1987-11-18
WO1989003314A1 (en) 1989-04-20
AU2536688A (en) 1989-05-02
JPH03501418A (ja) 1991-03-28
DK83490D0 (da) 1990-04-03
EP0395659A1 (en) 1990-11-07
DK83490A (da) 1990-04-03

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