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WO2003024849A1 - Procede et dispositif pour detecter le retrait de plusieurs feuilles a la fois lors du retrait de feuilles individuelles d'un paquet de feuilles - Google Patents

Procede et dispositif pour detecter le retrait de plusieurs feuilles a la fois lors du retrait de feuilles individuelles d'un paquet de feuilles Download PDF

Info

Publication number
WO2003024849A1
WO2003024849A1 PCT/DE2002/003277 DE0203277W WO03024849A1 WO 2003024849 A1 WO2003024849 A1 WO 2003024849A1 DE 0203277 W DE0203277 W DE 0203277W WO 03024849 A1 WO03024849 A1 WO 03024849A1
Authority
WO
WIPO (PCT)
Prior art keywords
scanning
sheets
electro
sheet
packet
Prior art date
Application number
PCT/DE2002/003277
Other languages
German (de)
English (en)
Inventor
Joachim Burchart
Rainer Glaschick
Original Assignee
Wincor Nixdorf International Gmbh
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 Wincor Nixdorf International Gmbh filed Critical Wincor Nixdorf International Gmbh
Publication of WO2003024849A1 publication Critical patent/WO2003024849A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B65H7/12—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
    • B65H7/125—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation sensing the double feed or separation without contacting the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/30—Numbers, e.g. of windings or rotations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/20—Sensing or detecting means using electric elements
    • B65H2553/26—Piezoelectric sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/414—Photoelectric detectors involving receptor receiving light reflected by a reflecting surface and emitted by a separate emitter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/60—Details of intermediate means between the sensing means and the element to be sensed
    • B65H2553/61—Mechanical means, e.g. contact arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1912—Banknotes, bills and cheques or the like

Definitions

  • the invention relates to a method for detecting multiple prints when pulling single sheets from a stack of sheets according to the preamble of claim 1 and a device for carrying out the method according to the preamble of claim 5 or 9.
  • the problem of capturing single sheets in a sheet packet occurs, for example, when separating banknotes in an automated teller machine or when pulling single sheets from a stack of sheets in a copier.
  • the invention has for its object to provide a way of detecting multiple deductions when separating sheets pulled from a sheet stack and determining the number of sheets in a sheet package.
  • the reflected beam is captured by an electro-optical converter. If the light beam strikes surfaces that are offset from each other in the height direction, the impact point of the reflected beam on the transducer is also shifted in the transport direction. This local shift can be recorded and evaluated.
  • a scanning head scans the sheet packet. At an offset point or level, the height of the probe suddenly changes and this experiences a vertical pressure surge, which can be converted into an electrical signal.
  • 1 shows a device for determining single sheets in a sheet packet by electro-optical scanning
  • FIG. 2 shows a sheet stack with sheets offset with respect to one another, forming a stair-shaped offset; and Figures 3 and 4, a device for determining single sheets in a sheet package by electro-mechanical scanning.
  • a banknote packet consisting of banknotes 11 and 12 is transported via a base plate 10 forming a reference plane.
  • a banknote packet consisting of banknotes 11 and 12 is transported via a base plate 10 forming a reference plane.
  • two bank notes 11 and 12 are shown (also in FIG. 2).
  • a larger number of banknotes can be present in one package.
  • the banknotes in the packet are offset from one another in the transport direction, so that there is a stair-shaped offset , Such a step-like step is designated by 22 in FIG. 2.
  • the step-like offset of the banknotes in the package can e.g. by moving the package over a surface (not shown) that is curved in the direction of transport, e.g. be generated around a cylindrical roller.
  • the different radii of the banknotes on the roller result in an offset in the direction of transport, as is shown in FIG. 2.
  • the sheet edges can also be scanned while the sheet packet is being guided over the curved surface.
  • the base plate 10 would correspond to the curved surface or roller surface.
  • FIG. 1 two bank notes are drawn out one above the other - bank note 11 - or dashed line - bank note 12 - to illustrate the electro-optical scanning according to the invention.
  • the banknote packet 11, 12 is emitted by a light source 13 formed by a laser diode via a collimator.
  • Tor lens 14 scanned with a sharply focused light beam 15. If the scanning light beam 15 falls on the lower bank note 11 shown in solid lines in FIG. 1 in the step-shaped step 22, a reflected light beam 17 is focused by a focusing lens 16 into a light spot 20 on an electro-optical converter 19 formed by a CCD line. If the scanning light beam 15 falls on the bank note 12 shown in dashed lines in FIG. 1 and lying above the bank note 11, a reflected light beam 18 is shown in dashed lines in FIG. 1, which is directed via the focusing lens 16 into a light point 21 on the CCD. Line 19 is focused.
  • the signals supplied by the CCD line 19 and characterizing different points of impact on the CCD line can be evaluated by a signal processor (not shown).
  • a brightness signal of the entire stair-shaped step 22 is formed in the optical scanning described above, this can also be used as a characteristic parameter.
  • the transmissivity could also be measured, so that a total of three independent parameters can be recorded in a single measuring device, which can also be linked together.
  • banknotes e.g. a watermark and / or one
  • the scanning device can also be used to scan the watermark or the security thread.
  • the signals generated can be a Fourier or Welsh analysis to see the characteristic pattern.
  • FIGS. 3 and 4 show an exemplary embodiment of a device in which the number of several banknotes withdrawn simultaneously from a stack of banknotes and / or the number of banknotes withdrawn are determined electromechanically.
  • banknotes 31 and 32 are transported with a stair-shaped offset in the direction of arrow A over a base plate 30 serving as a reference plane.
  • the banknotes are scanned by means of a probe head 33 which has a bevel or rounding on the entry side of the banknote package 31, 32, so that the banknotes can be guided under this probe head without being rejected in the package.
  • An electro-mechanical transducer in the form of a piezoelectric transducer 34 is provided between the probe head 33 and a counter mass 35.
  • the arrangement of probe head 33, piezoelectric transducer 34 and counter mass 35 is loaded by a spring 36, which in turn is fastened to a fastening element 37.
  • the electrical signals supplied by the piezoelectric transducer 34 can also be subjected to a Fourier analysis.

Landscapes

  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

L'invention concerne un procédé et un dispositif pour détecter le retrait de plusieurs billets de banque à la fois lors du retrait de billets individuels (11,12) d'un paquet de billets. Ledit procédé consiste à décaler les billets individuels (11, 12) dans le paquet de manière à former un décalage (22) en gradins et à effectuer un balayage des billets (11, 12) dans ledit décalage (22) en gradins pour former des signaux électriques représentant ledit décalage (22).
PCT/DE2002/003277 2001-09-12 2002-09-05 Procede et dispositif pour detecter le retrait de plusieurs feuilles a la fois lors du retrait de feuilles individuelles d'un paquet de feuilles WO2003024849A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10144911.9 2001-09-12
DE10144911 2001-09-12

Publications (1)

Publication Number Publication Date
WO2003024849A1 true WO2003024849A1 (fr) 2003-03-27

Family

ID=7698767

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2002/003277 WO2003024849A1 (fr) 2001-09-12 2002-09-05 Procede et dispositif pour detecter le retrait de plusieurs feuilles a la fois lors du retrait de feuilles individuelles d'un paquet de feuilles

Country Status (1)

Country Link
WO (1) WO2003024849A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2902350A1 (fr) * 2014-01-31 2015-08-05 Neopost Technologies Système de détection d'articles plats à double alimentation

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026419A (en) * 1959-05-11 1962-03-20 Ibm Overlap detector
DE1288828B (de) * 1964-09-16 1969-02-06 Ibm Pruefeinrichtung fuer die Doppelzufuehrung von Aufzeichnungstraegern
US4286149A (en) * 1979-08-09 1981-08-25 Ncr Canada Ltd - Ncr Canada Ltee Apparatus and method for detection of overlapping objects
US5174562A (en) * 1987-02-25 1992-12-29 Omron Tateisi Electronics Co. Paper sheet handling apparatus
US5356130A (en) * 1992-02-19 1994-10-18 Ferag Ag Method and apparatus for detecting faults in a stream of overlapping products
EP0747665A2 (fr) * 1995-06-07 1996-12-11 Electrocom Automation L.P. Système de balayage dichotomique pour la détection de flancs des objets et des objets en chevauchement ayant des surfaces relativement uniformes
JPH09142699A (ja) * 1995-09-22 1997-06-03 Ricoh Co Ltd 画像読取装置の原稿重送検知装置及び同検知方法
EP1020387A1 (fr) * 1999-01-15 2000-07-19 Ncr International Inc. Dispositif pour délivrer des feuilles

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3026419A (en) * 1959-05-11 1962-03-20 Ibm Overlap detector
DE1288828B (de) * 1964-09-16 1969-02-06 Ibm Pruefeinrichtung fuer die Doppelzufuehrung von Aufzeichnungstraegern
US4286149A (en) * 1979-08-09 1981-08-25 Ncr Canada Ltd - Ncr Canada Ltee Apparatus and method for detection of overlapping objects
US5174562A (en) * 1987-02-25 1992-12-29 Omron Tateisi Electronics Co. Paper sheet handling apparatus
US5356130A (en) * 1992-02-19 1994-10-18 Ferag Ag Method and apparatus for detecting faults in a stream of overlapping products
EP0747665A2 (fr) * 1995-06-07 1996-12-11 Electrocom Automation L.P. Système de balayage dichotomique pour la détection de flancs des objets et des objets en chevauchement ayant des surfaces relativement uniformes
JPH09142699A (ja) * 1995-09-22 1997-06-03 Ricoh Co Ltd 画像読取装置の原稿重送検知装置及び同検知方法
EP1020387A1 (fr) * 1999-01-15 2000-07-19 Ncr International Inc. Dispositif pour délivrer des feuilles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 10 31 October 1997 (1997-10-31) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2902350A1 (fr) * 2014-01-31 2015-08-05 Neopost Technologies Système de détection d'articles plats à double alimentation
US9488587B2 (en) 2014-01-31 2016-11-08 Neopost Technologies System for detecting double-feed flat items

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