BR7300699D0 - Aparelho e processo para autenticacao de um documento tendo impressao em fotogravura - Google Patents

Aparelho e processo para autenticacao de um documento tendo impressao em fotogravura

Info

Publication number
BR7300699D0
BR7300699D0 BR73699A BR69973A BR7300699D0 BR 7300699 D0 BR7300699 D0 BR 7300699D0 BR 73699 A BR73699 A BR 73699A BR 69973 A BR69973 A BR 69973A BR 7300699 D0 BR7300699 D0 BR 7300699D0
Authority
BR
Brazil
Prior art keywords
photography
authentication
printing
document
Prior art date
Application number
BR73699A
Other languages
English (en)
Portuguese (pt)
Inventor
D Eberly
P Hanke
Original Assignee
United States Banknote Corp
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 United States Banknote Corp filed Critical United States Banknote Corp
Publication of BR7300699D0 publication Critical patent/BR7300699D0/pt

Links

Classifications

    • 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
    • G07D7/04—Testing magnetic properties of the materials thereof, e.g. by detection of magnetic imprint

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
BR73699A 1972-02-03 1973-01-30 Aparelho e processo para autenticacao de um documento tendo impressao em fotogravura BR7300699D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22307972A 1972-02-03 1972-02-03

Publications (1)

Publication Number Publication Date
BR7300699D0 true BR7300699D0 (pt) 1973-09-27

Family

ID=22834935

Family Applications (1)

Application Number Title Priority Date Filing Date
BR73699A BR7300699D0 (pt) 1972-02-03 1973-01-30 Aparelho e processo para autenticacao de um documento tendo impressao em fotogravura

Country Status (5)

Country Link
US (1) US3778598A (enExample)
JP (1) JPS4888842A (enExample)
BR (1) BR7300699D0 (enExample)
DE (1) DE2262136A1 (enExample)
IT (1) IT971417B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415341A1 (fr) * 1978-01-24 1979-08-17 Crouzet Sa Ticket a affichage magnetique
DE2936409A1 (de) * 1979-09-08 1981-03-19 Hermann 7742 St. Georgen Stockburger Verfahren zum sichern von daten
US5712564A (en) * 1995-12-29 1998-01-27 Unisys Corporation Magnetic ink recorder calibration apparatus and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160867A (en) * 1962-02-21 1964-12-08 Alan S Fitzgerald Voltage comparator
US3345559A (en) * 1964-03-02 1967-10-03 Yawata Iron & Steel Co Method of measuring the thickness of magnetic metal plates by measuring the variation of magnetic potential difference across said plates
GB1135041A (en) * 1965-02-11 1968-11-27 Plessey Uk Ltd Improvements in or relating to machines for detecting a magnetic or a conductive deposit on a carrier
DE1303674C2 (de) * 1965-07-19 1973-04-12 Nix H Magnetischer schichtdickenmesser
US3509535A (en) * 1966-06-09 1970-04-28 Arcs Ind Inc Ferromagnetic recognizer of documents
US3599153A (en) * 1969-05-23 1971-08-10 United States Banknote Corp Magnetic authentication of security documents having varying ink level coding

Also Published As

Publication number Publication date
JPS4888842A (enExample) 1973-11-21
DE2262136A1 (de) 1973-08-09
IT971417B (it) 1974-04-30
US3778598A (en) 1973-12-11

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