IT1273709B - Procedimento e dispositivo per la misura e la caratterizzazione ad alta velocita' di materiali magnetici - Google Patents

Procedimento e dispositivo per la misura e la caratterizzazione ad alta velocita' di materiali magnetici

Info

Publication number
IT1273709B
IT1273709B ITMI941648A ITMI941648A IT1273709B IT 1273709 B IT1273709 B IT 1273709B IT MI941648 A ITMI941648 A IT MI941648A IT MI941648 A ITMI941648 A IT MI941648A IT 1273709 B IT1273709 B IT 1273709B
Authority
IT
Italy
Prior art keywords
characterization
procedure
measurement
high speed
magnetic materials
Prior art date
Application number
ITMI941648A
Other languages
English (en)
Inventor
Ibarrola Jesus Echapare
Insausti Jose Luis Pina
Original Assignee
Azkoyen Ind Sa
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 Azkoyen Ind Sa filed Critical Azkoyen Ind Sa
Publication of ITMI941648A0 publication Critical patent/ITMI941648A0/it
Publication of ITMI941648A1 publication Critical patent/ITMI941648A1/it
Application granted granted Critical
Publication of IT1273709B publication Critical patent/IT1273709B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • 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
    • G07D7/20—Testing patterns thereon
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
ITMI941648A 1993-08-02 1994-07-29 Procedimento e dispositivo per la misura e la caratterizzazione ad alta velocita' di materiali magnetici IT1273709B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES09301734A ES2078852B1 (es) 1993-08-02 1993-08-02 "procedimiento y dispositivo para la medicion y caracterizacion, a alta velocidad, de materiales magneticos"

Publications (3)

Publication Number Publication Date
ITMI941648A0 ITMI941648A0 (it) 1994-07-29
ITMI941648A1 ITMI941648A1 (it) 1996-01-29
IT1273709B true IT1273709B (it) 1997-07-09

Family

ID=8282760

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI941648A IT1273709B (it) 1993-08-02 1994-07-29 Procedimento e dispositivo per la misura e la caratterizzazione ad alta velocita' di materiali magnetici

Country Status (7)

Country Link
US (1) US5808466A (it)
CH (1) CH690385A5 (it)
DE (1) DE4427000A1 (it)
ES (1) ES2078852B1 (it)
FR (1) FR2708748B1 (it)
GB (1) GB2280771B (it)
IT (1) IT1273709B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19507653A1 (de) * 1995-03-06 1996-09-12 Optima Buerotechnik Gmbh Verfahren und Vorrichtung zur quantitativen Bestimmung magnetisierbarer Bereiche auf einem Gegenstand
DE19518228C2 (de) * 1995-05-12 2001-08-09 Whd Elektron Prueftech Gmbh Verfahren, Anordnungen, Vorrichtungen und Prüfzonen von zu prüfenden Objekten zur Echtheitsprüfung sowie Anwendung derselben
AU5380599A (en) * 1998-08-28 2000-03-21 Governor And Company Of The Bank Of England, The Improvements in and relating to sheet material inspection apparatus and methods
US6498864B1 (en) * 1999-10-05 2002-12-24 Morton F. Roseman Apparatus for authenticating products and authorizing processes using the magnetic properties of a marker
KR100390251B1 (ko) * 1999-10-06 2003-07-04 가부시키가이샤 닛폰 콘락스 코인 검사방법 및 장치
RU2262712C2 (ru) * 2003-04-21 2005-10-20 Открытое Акционерное Общество "Завод им. Г.И. Петровского" Устройство для измерения магнитных характеристик ферромагнитных материалов
CA2608908A1 (en) * 2005-06-23 2006-12-28 Nv Bekaert Sa Authentication by means of geometric security features
US8271865B1 (en) * 2005-09-19 2012-09-18 Google Inc. Detection and utilization of document reading speed
CN106780954A (zh) * 2016-12-01 2017-05-31 深圳怡化电脑股份有限公司 一种纸币识别的方法及装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR763681A (fr) * 1933-11-10 1934-05-04 Procédé de repérage des objets par modification d'un champ magnétique
FR1274619A (fr) * 1960-09-15 1961-10-27 Eca Perfectionnements apportés aux détecteurs de position d'une masse magnétique et leurs applications
FR2305809A1 (fr) * 1975-03-25 1976-10-22 Crouzet Sa Dispositif d'authentification de titres monetaires
US4059795A (en) * 1976-06-03 1977-11-22 Sensor Corporation Digital eddy current apparatus for sensing and analyzing metallurgical characteristics of an electrically conductive material
US4326198A (en) * 1976-08-18 1982-04-20 Knogo Corporation Method and apparatus for the promotion of selected harmonic response signals in an article detection system
DE3228447C2 (de) * 1982-07-30 1986-04-10 Vallon GmbH, 7412 Eningen Meßverfahren zur Erkennung von metallischen Gegenständen und Metalldetektor zur Durchführung des Verfahrens
US4547899A (en) * 1982-09-30 1985-10-15 Ncr Corporation Waveform matching system and method
JPS61177592A (ja) * 1985-02-01 1986-08-09 アイエム電子株式会社 印刷物の種類鑑別装置
US4622542A (en) * 1985-06-26 1986-11-11 Controlled Information Corporation Magnetic article surveillance system, method and coded marker
WO1988003273A1 (en) * 1986-10-23 1988-05-05 Peerless-Winsmith, Inc. Detection/identification apparatus
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
EP0276814A3 (en) * 1987-01-27 1990-11-07 Rand Mcnally & Company Object verification system and method
JPS6454281A (en) * 1987-08-25 1989-03-01 Anritsu Corp Metal detecting apparatus
DE68912382T2 (de) * 1988-04-13 1994-05-26 Yamato Scale Co Ltd Fremdstoffdetektor.
US5099224A (en) * 1991-01-08 1992-03-24 Santiago Jesus C P Method for identifying magnetic characteristics of magnetic elements

Also Published As

Publication number Publication date
FR2708748A1 (fr) 1995-02-10
FR2708748B1 (fr) 1996-10-25
GB9415137D0 (en) 1994-09-14
GB2280771A (en) 1995-02-08
DE4427000A1 (de) 1995-02-09
ITMI941648A0 (it) 1994-07-29
ITMI941648A1 (it) 1996-01-29
ES2078852A1 (es) 1995-12-16
ES2078852B1 (es) 1996-07-16
GB2280771B (en) 1997-12-03
US5808466A (en) 1998-09-15
CH690385A5 (de) 2000-08-15

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970729