DK0493438T3 - Magnetisk kodelæser med justerbare tærskelværdier - Google Patents
Magnetisk kodelæser med justerbare tærskelværdierInfo
- Publication number
- DK0493438T3 DK0493438T3 DK90913850.5T DK90913850T DK0493438T3 DK 0493438 T3 DK0493438 T3 DK 0493438T3 DK 90913850 T DK90913850 T DK 90913850T DK 0493438 T3 DK0493438 T3 DK 0493438T3
- Authority
- DK
- Denmark
- Prior art keywords
- pct
- signal
- comparators
- sec
- coupled
- Prior art date
Links
Classifications
-
- 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
- G06K7/082—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 using inductive or magnetic sensors
- G06K7/083—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 using inductive or magnetic sensors inductive
- G06K7/084—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 using inductive or magnetic sensors inductive sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
-
- 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
-
- 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
- G07D7/0043—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 using barcodes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Digital Magnetic Recording (AREA)
- Credit Cards Or The Like (AREA)
- Magnetic Record Carriers (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Character Input (AREA)
- Sorting Of Articles (AREA)
- Recording Or Reproducing By Magnetic Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898921435A GB8921435D0 (en) | 1989-09-22 | 1989-09-22 | Sensor system for document sorting machines |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0493438T3 true DK0493438T3 (da) | 1995-10-16 |
Family
ID=10663464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK90913850.5T DK0493438T3 (da) | 1989-09-22 | 1990-09-19 | Magnetisk kodelæser med justerbare tærskelværdier |
Country Status (14)
Country | Link |
---|---|
US (1) | US5255129A (da) |
EP (1) | EP0493438B1 (da) |
JP (1) | JP2739157B2 (da) |
KR (1) | KR940006839B1 (da) |
AT (1) | ATE123164T1 (da) |
AU (1) | AU630746B2 (da) |
CA (1) | CA2049040C (da) |
DE (1) | DE69019752T2 (da) |
DK (1) | DK0493438T3 (da) |
ES (1) | ES2073034T3 (da) |
FI (1) | FI98413C (da) |
GB (1) | GB8921435D0 (da) |
NO (1) | NO301392B1 (da) |
WO (1) | WO1991004549A1 (da) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5358088A (en) * | 1992-11-25 | 1994-10-25 | Mars Incorporated | Horizontal magnetoresistive head apparatus and method for detecting magnetic data |
US5467231A (en) * | 1993-02-26 | 1995-11-14 | Hewlett-Packard Company | Using recorded data for auto calibration of fixed gain of a read amplifier in a data storage device |
JP2902272B2 (ja) * | 1993-08-27 | 1999-06-07 | 株式会社三協精機製作所 | 磁気カードリーダ |
IT1282817B1 (it) * | 1995-03-24 | 1998-03-31 | Prm S P A | Sistema di sicurezza per documenti aventi una banda magnetica di registrazione di informazioni. |
GB2299697A (en) * | 1995-04-05 | 1996-10-09 | Teknote Limited | Bank note validator |
US5614824A (en) * | 1995-05-15 | 1997-03-25 | Crane & Co., Inc. | Harmonic-based verifier device for a magnetic security thread having linear and non-linear ferromagnetic characteristics |
US6473519B1 (en) | 1996-02-21 | 2002-10-29 | Hand Held Products, Inc. | Check reader |
GB9617692D0 (en) * | 1996-08-23 | 1996-10-02 | Bank Of England | Magnetic reader |
US6026175A (en) * | 1996-09-27 | 2000-02-15 | Cummins-Allison Corp. | Currency discriminator and authenticator having the capability of having its sensing characteristics remotely altered |
US5944927A (en) * | 1997-05-29 | 1999-08-31 | The Standard Register Company | Security paper having an embedded security thread and a process for making the security paper |
US5961152A (en) * | 1997-05-29 | 1999-10-05 | The Standard Register Company | Security paper having an embedded and deformed security thread and a process for making the security paper |
US6131718A (en) * | 1998-09-30 | 2000-10-17 | Lucent Technologies Inc. | System and method for the detection of counterfeit currency |
NL1011860C2 (nl) * | 1999-04-22 | 2000-10-24 | Vhp Ugchelen Bv | Veiligheidsvoorziening en toepassingen daarvan. |
MXPA03002940A (es) * | 2000-10-05 | 2003-08-07 | Cummins Allison Corp | Metodo y aparato para la identificacion y autentificacion de documentos. |
GB0100451D0 (en) * | 2001-01-08 | 2001-02-21 | Rue De Int Ltd | Method for reading coded magnetic threads |
RU2259594C2 (ru) * | 2001-01-08 | 2005-08-27 | Де Ля Рю Интернэшнл Лимитед | Устройство считывания магнитной нити |
GB0112783D0 (en) * | 2001-05-25 | 2001-07-18 | Rue De Int Ltd | Magnetic field sensor and method |
KR100735879B1 (ko) * | 2003-03-14 | 2007-07-06 | 가부시키가이샤 히타치세이사쿠쇼 | 지엽류 취급장치 |
DE102006055170A1 (de) * | 2006-11-22 | 2008-05-29 | Giesecke & Devrient Gmbh | Sicherheitselement zur Absicherung von Wertdokumenten |
DE102007061826A1 (de) * | 2007-12-20 | 2009-06-25 | Giesecke & Devrient Gmbh | Verfahren und Vorrichtung zum Prüfen des Vorhandenseins von magnetischen Merkmalen auf einem Wertdokument |
DE102009039588A1 (de) * | 2009-09-01 | 2011-03-03 | Giesecke & Devrient Gmbh | Verfahren und Vorrichtung zur Prüfung von Wertdokumenten |
DE102016015545A1 (de) | 2016-12-27 | 2018-06-28 | Giesecke+Devrient Currency Technology Gmbh | Verfahren und Vorrichtung zum Detektieren eines Sicherheitsfadens in einem Wertdokument |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1395164A (fr) * | 1964-04-23 | 1965-04-09 | Thomson Houston Comp Francaise | Perfectionnements aux dispositifs de traitement d'informations |
US3593334A (en) * | 1968-11-29 | 1971-07-13 | Burroughs Corp | Pulse discrimination system |
CH537121A (de) * | 1971-03-24 | 1973-05-15 | Zellweger Uster Ag | Verfahren und Vorrichtung zur Umwandlung eines analogen Signals in ein binäres Signal und Anwendung des Verfahrens |
US3735372A (en) * | 1971-07-02 | 1973-05-22 | Mohawk Data Sciences Corp | Seven or nine channel readout with adjustable threshold |
US3752963A (en) * | 1972-04-12 | 1973-08-14 | Monarch Marking Systems Inc | Method of and apparatus for interpreting a coded record |
JPS53144707A (en) * | 1977-05-24 | 1978-12-16 | Nec Corp | Signal detecting system by variable thresholds |
US4219152A (en) * | 1979-02-21 | 1980-08-26 | International Business Machines Corporation | Dual threshold comparator circuit |
JPS58215706A (ja) * | 1982-06-08 | 1983-12-15 | Hitachi Ltd | 記録装置 |
US4612653A (en) * | 1983-01-21 | 1986-09-16 | E-Systems, Inc. | Delay modulation phase coding |
JPS60157677A (ja) * | 1984-01-27 | 1985-08-17 | Usac Electronics Ind Co Ltd | バ−コ−ドリ−ダ増幅回路方式 |
FR2622992B1 (fr) * | 1987-11-06 | 1990-02-09 | Thomson Semiconducteurs | Procede de lecture de codes a barres |
US4837642A (en) * | 1988-01-12 | 1989-06-06 | Ampex Corporation | Threshold tracking system |
-
1989
- 1989-09-22 GB GB898921435A patent/GB8921435D0/en active Pending
-
1990
- 1990-09-19 AU AU64061/90A patent/AU630746B2/en not_active Ceased
- 1990-09-19 US US07/773,858 patent/US5255129A/en not_active Expired - Lifetime
- 1990-09-19 DE DE69019752T patent/DE69019752T2/de not_active Expired - Fee Related
- 1990-09-19 CA CA002049040A patent/CA2049040C/en not_active Expired - Lifetime
- 1990-09-19 EP EP90913850A patent/EP0493438B1/en not_active Expired - Lifetime
- 1990-09-19 AT AT90913850T patent/ATE123164T1/de not_active IP Right Cessation
- 1990-09-19 KR KR1019910701476A patent/KR940006839B1/ko not_active IP Right Cessation
- 1990-09-19 ES ES90913850T patent/ES2073034T3/es not_active Expired - Lifetime
- 1990-09-19 DK DK90913850.5T patent/DK0493438T3/da active
- 1990-09-19 JP JP2512918A patent/JP2739157B2/ja not_active Expired - Lifetime
- 1990-09-19 WO PCT/GB1990/001446 patent/WO1991004549A1/en active IP Right Grant
-
1991
- 1991-10-14 FI FI914847A patent/FI98413C/fi active
- 1991-10-25 NO NO914198A patent/NO301392B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO914198L (no) | 1991-10-25 |
GB8921435D0 (en) | 1989-11-08 |
FI914847A0 (fi) | 1991-10-14 |
AU6406190A (en) | 1991-04-18 |
NO301392B1 (no) | 1997-10-20 |
KR920701921A (ko) | 1992-08-12 |
FI98413B (fi) | 1997-02-28 |
US5255129A (en) | 1993-10-19 |
DE69019752D1 (de) | 1995-06-29 |
NO914198D0 (no) | 1991-10-25 |
JP2739157B2 (ja) | 1998-04-08 |
ATE123164T1 (de) | 1995-06-15 |
JPH05500721A (ja) | 1993-02-12 |
CA2049040C (en) | 1996-02-06 |
FI98413C (fi) | 1997-06-10 |
ES2073034T3 (es) | 1995-08-01 |
EP0493438A1 (en) | 1992-07-08 |
CA2049040A1 (en) | 1991-03-23 |
KR940006839B1 (ko) | 1994-07-28 |
EP0493438B1 (en) | 1995-05-24 |
DE69019752T2 (de) | 1995-12-14 |
AU630746B2 (en) | 1992-11-05 |
WO1991004549A1 (en) | 1991-04-04 |
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