GB9603695D0 - Method and apparatus for monitoring a varying magnetic field - Google Patents

Method and apparatus for monitoring a varying magnetic field

Info

Publication number
GB9603695D0
GB9603695D0 GBGB9603695.9A GB9603695A GB9603695D0 GB 9603695 D0 GB9603695 D0 GB 9603695D0 GB 9603695 A GB9603695 A GB 9603695A GB 9603695 D0 GB9603695 D0 GB 9603695D0
Authority
GB
United Kingdom
Prior art keywords
monitoring
magnetic field
varying magnetic
varying
field
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GBGB9603695.9A
Other versions
GB2310496A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
De la Rue Systems Ltd
Original Assignee
De la Rue Systems 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 De la Rue Systems Ltd filed Critical De la Rue Systems Ltd
Priority to GB9603695A priority Critical patent/GB2310496A/en
Publication of GB9603695D0 publication Critical patent/GB9603695D0/en
Publication of GB2310496A publication Critical patent/GB2310496A/en
Withdrawn legal-status Critical Current

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
GB9603695A 1996-02-21 1996-02-21 Method and apparatus for authenticating documents Withdrawn GB2310496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9603695A GB2310496A (en) 1996-02-21 1996-02-21 Method and apparatus for authenticating documents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9603695A GB2310496A (en) 1996-02-21 1996-02-21 Method and apparatus for authenticating documents

Publications (2)

Publication Number Publication Date
GB9603695D0 true GB9603695D0 (en) 1996-04-17
GB2310496A GB2310496A (en) 1997-08-27

Family

ID=10789173

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9603695A Withdrawn GB2310496A (en) 1996-02-21 1996-02-21 Method and apparatus for authenticating documents

Country Status (1)

Country Link
GB (1) GB2310496A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1113254A1 (en) * 1999-12-30 2001-07-04 STMicroelectronics S.r.l. A circuit and a method for extending the output voltage range of an integrator circuit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3174392D1 (en) * 1980-07-19 1986-05-22 Lucas Ind Plc Electromagnetic transducer
DE3174151D1 (en) * 1980-12-16 1986-04-24 Toshiba Kk Pattern discriminating apparatus
US4584529A (en) * 1983-06-02 1986-04-22 Bill Checker Co., Ltd. Method and apparatus for discriminating between genuine and suspect paper money
US4617458A (en) * 1985-02-11 1986-10-14 Brandt, Inc. Counterfeit detection circuit
EP0369593B1 (en) * 1988-10-06 1993-12-22 Lucas Industries Public Limited Company Processing circuit for variable reluctance transducer
IT1223943B (en) * 1988-11-25 1990-09-29 Marelli Autronica CIRCUIT FOR THE PROCESSING OF THE SIGNAL GENERATED BY AN ELECTROMAGNETIC ROTATION SENSOR OF THE VARIABLE RELUCTANCE TYPE
GB2241335A (en) * 1990-02-22 1991-08-28 Ford Motor Co Signal conditioning circuit

Also Published As

Publication number Publication date
GB2310496A (en) 1997-08-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)