EP1785950A1 - Appareil de détection de rupture d'une feuille de papier - Google Patents

Appareil de détection de rupture d'une feuille de papier Download PDF

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Publication number
EP1785950A1
EP1785950A1 EP06021546A EP06021546A EP1785950A1 EP 1785950 A1 EP1785950 A1 EP 1785950A1 EP 06021546 A EP06021546 A EP 06021546A EP 06021546 A EP06021546 A EP 06021546A EP 1785950 A1 EP1785950 A1 EP 1785950A1
Authority
EP
European Patent Office
Prior art keywords
paper sheet
conveying
roller
flange
break
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Withdrawn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
EP06021546A
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German (de)
English (en)
Inventor
Masashi Nakada
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Publication of EP1785950A1 publication Critical patent/EP1785950A1/fr
Withdrawn legal-status Critical Current

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    • 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
    • G07D7/181—Testing mechanical properties or condition, e.g. wear or tear
    • G07D7/185—Detecting holes or pores

Definitions

  • the present invention relates to a paper sheet break detection unit, which detects a break in a paper sheet, for example, paper currency.
  • a unit shown in FIG. 20 is well known as such a detection unit.
  • a reference numeral 111 denotes a conveying path.
  • Upper-side conveying rollers 112a and 112b are provided at a predetermined interval on the upper side of the conveying path 111, and lower-side conveying rollers 113a and 113b are provided on the lower side at a predetermined interval.
  • An upper conveying belt 114a is extended over the upper-side conveying rollers 112a and 112b, and a lower-side conveying belt 114b is extended over the lower-side conveying rollers 113a and 113b.
  • a roller 115 having a flange 115f and a projection plate 116 are provided between the upper-side conveying rollers 112a and 112b.
  • the roller 115 is placed with the lower end side of the flange 115 projected downward the conveying path 111, and the projection plate 116 is placed with the upper-end side projected upward the conveying path 111.
  • a light source 118 is provided under the projection plate 116.
  • roller 115 and projection plate 116 are provided at fixed positions, when a different size paper sheet is conveyed, the flange 115f of roller 115 and the projection plate 16 may come off the break of the paper sheet, and the break cannot be detected.
  • the present invention has been made in the above-mentioned circumstances. Accordingly, it is an object of the invention to provide a paper sheet break detection unit, which reliably detects a break even in a different size paper sheet.
  • a paper sheet break detection unit comprising a conveying unit which conveys a paper sheet along a conveying surface; a first pressing unit which presses one side of the paper sheet conveyed by the conveying unit in a first direction orthogonal to the conveying surface; a second pressing unit which is provided in proximity to the first pressing unit, and presses the other side of the paper sheet conveyed by the conveying unit in a second direction reverse to the first direction; a light-emitting unit which emits light to the paper sheet deformed by the pressure of the first and second pressing units; a light-receiving unit which receives the light illuminated from the light-emitting unit; a judgment unit which judges whether the paper sheet includes a break based on the reception of the light by the light-receiving unit; and a moving mechanism which moves the first and second pressing units along the conveying surface in a direction orthogonal to a direction of conveying the paper sheet.
  • a paper sheet break detection unit is capable of detecting securely a break in a different size paper sheet or in an easy-to-tear paper sheet, and capable of detecting only a break of desired length when detecting a break in the same size paper sheet.
  • FIG. 1 is a block diagram showing the configuration of a paper sheet processing system according to a first embodiment of the invention.
  • a reference numeral 1 denotes a take-out unit to take out stacked cards as paper sheets one by one.
  • a card taken out by the take-out unit 1 is conveyed along a conveying path.
  • a detection unit 2 is provided to detect a break formed in a card.
  • a branch gate 3 is provided to guide a card with no break detected to a first direction and a card having a break detected to a second direction.
  • a first stack 4 to stack a card with no break detected is provided in the first direction
  • a second stack 5 to stack a card having a break detected is provided in the second direction.
  • FIG. 2 is a front view of the detection unit 2.
  • FIG. 3 is a top plane view of the detection unit.
  • FIG. 4 is a longitudinal sectional view of the detection unit.
  • a reference numeral 11 denotes a conveying path.
  • front- and back-side upper conveying rollers 12a and 12a' are provided with a predetermined space taken therebetween in the direction orthogonal to the card conveying direction.
  • front- and back-side lower conveying rollers 13a and 13a' are provided with a predetermined space taken therebetween in the direction orthogonal to the card conveying direction.
  • An upper conveying belt 14a is extended over the front-side upper conveying rollers 12a and 12b, and an upper conveying belt 14c is extended over the back-side upper conveying rollers 12a' and 12b'.
  • a lower conveying belt 14b is extended over the front-side lower conveying rollers 13a and 13b, and a lower conveying belt 14d is extended over the back-side lower conveying rollers 13a' and 13b'.
  • the conveying unit is composed of the upper conveying belt 14a/14c and lower conveying belt 14b/14d.
  • a trigger sensor 8 is provided to detect a card taken in.
  • Different size cards K1, K2 and K3 are conveyed with one side held by the front-side upper conveying belt 14a and lower conveying belt 14b, and conveyed with the other side held by the back-side upper conveying belt 14c and lower conveying belt 14d.
  • the cards are conveyed with the center aligned with the center between the front-side conveying belt 14a/14c and back-side conveying belt 14b/14d.
  • a front-side upper roller (a first roller) 15a is provided between the front-side upper conveying rollers 12a and 12b, and a back-side upper roller (a second roller) 15a' is provided between the back-side upper conveying rollers 12a' and 12b'.
  • a flange 15f is provided in the front-side upper roller 15a, and a flange 15f' is provided in the back-side upper roller 15a'.
  • the flanges 15f and 15f' of the upper rollers 15a and 15a' constitute a first pressing unit.
  • a front-side lower roller (a third roller) 16a is provided between the front-side lower conveying rollers 13a and 13b, and a back-side lower roller (a fourth roller) 16a' is provided between the back-side lower conveying rollers 13a' and 13b'.
  • a flange 16f is provided in the front-side lower roller 16a, and a flange 16f' is provided in the back-side lower roller 16a'.
  • the flanges 16f and 16f' of the lower rollers 16a and 16a' constitute a second pressing unit.
  • the lower side of the flange 15f/15f' of the upper roller 15a/15a' is projected downward the conveying path 11 by a predetermined amount, and the upper side of the flange 16f/16f' of the lower roller 16a/16a' is projected upward the conveying path 11 by a predetermined amount.
  • the upper rollers 15a and 15a' contact the upper side of the upper conveying belts 14a and 14c, and the lower rollers 16a and 16a' contacts the lower side of the lower conveying belts 14c and 14d.
  • the upper roller 15a/15a' and lower roller 16a/16a' are rotated following the conveying belts 14a - 14d.
  • a linear light source 18 is provided as a light-emitting unit between the lower conveying rollers 13a/13a' and lower roller 16a/16a' along the direction orthogonal to the card conveying direction.
  • a linear light-receiving sensor 19 is provided as a light receiver between the upper conveying roller 12b/12b' and upper roller 15a/15a' along the direction orthogonal to the card conveying direction. The light emitted from the linear light source 18 is received by the light-receiving sensor 19.
  • the upper rollers 15a and 15a' are freely rotated taking the sleeves 21a and 21a' as a rotation axis.
  • the lower rollers 16a and 16a' are freely rotated taking the sleeves 21b and 21b' as a rotation axis.
  • the sleeves 21a and 21a' are screwed into a shaft 17a as a first drive shaft, and the sleeves 21b and 21b' are screwed into a shaft 17b as a second drive shaft.
  • the outer surfaces of the shaft 17a and 17b are formed with a male screw inversely and symmetrically with respect to the centerline of the conveying path 11.
  • the inner surfaces of the sleeves 21a, 21a' and 21b, 21b' are formed with a female screw to engage with the male screw of the shafts 17a and 17b.
  • the above-mentioned shafts 17a and 17b are provided along the card conveying surface and in the direction orthogonal to the card conveying direction, and are arranged to move the upper roller 15a/15a' and lower roller 16a/16a' along the card conveying surface and in the direction orthogonal to the card conveying direction.
  • Ends of the shaft 17a and 17b penetrate through a base 7, and are connected through a toothed pulley 22a, a toothed belt 23 and a toothed pulley 22b constituting an interlock mechanism.
  • One end of the shaft 17a is directly connected to a drive motor 24, which rotates forward and backward.
  • the shafts 17a and 17b are simultaneously rotated in the forward and backward directions by the forward/backward rotation of the drive motor 24.
  • FIG. 5 is a block diagram of the control system of the paper sheet processing system.
  • a reference numeral 20 denotes a control unit.
  • the control unit 20 is connected with a trigger sensor 8 and a light-receiving sensor 19 through a transmission circuit.
  • the control unit 20 controls the operation of the branch gate 3, based on detection signals sent from the trigger sensor 8 and light-receiving sensor 19.
  • control unit 20 judges that a card has no break as shown in FIG. 8, based on the detection signal shown in FIG. 12 from the light-receiving sensor 19.
  • the control unit 20 judges that a card has a break a as shown in FIG. 9, based on the detection signal shown in FIG. 13 from the light-receiving sensor 19.
  • the control unit 20 operates the branch gate 3 to send a card K having no break to the first stack 4, and send a card K having a break a to the second stack 5.
  • a break in a card also includes defects in addition to a simple break.
  • a card K is conveyed with one side held by the front-side upper conveying belt 14a and lower conveying belt 14b, and conveyed with the other side held by the back-side upper conveying belt 14c and lower conveying belt 14d, as shown in FIG. 6/FIG. 7 or FIG. 10/FIG. 11.
  • the card K is detected by the trigger sensor 8, and one side is fed to between the front-side upper roller 15a and lower roller 16a, and the other side is fed to between the back-side upper roller 15a' and lower roller 16'.
  • one side of the card K is pushed upward by the flange 16f of the front-side lower roller 16a, the other side is pushed upward by the flange 16f' of the back-side lower roller 16a', one side of the card K is pushed downward by the flange 15f of the front-side upper roller 15a, and the other side is pushed downward by the flange 15f' of the back-side upper roller 15a.
  • the card K is deformed like a step viewed from the conveying direction, and passes through the light from the light source 18, just like interrupting the light.
  • the control unit 20 judges that the card K has no break.
  • FIG. 6 and FIG. 7 show the state that a card K having no break is conveyed.
  • the control unit 20 operates the branch gate 3 to send the card K to the first stack 4.
  • FIG. 12 shows a signal output when two cards having no break are continued.
  • FIG. 13 shows a signal output when a card having a break is conveyed subsequent to a card having no break.
  • control unit 20 is connected with an input unit 25 through a transmission circuit, and is connected with a drive motor 24, which rotates forward and backward through a control circuit.
  • the input unit 25 specifies the sizes of the cards. Based on the specified size information, the control unit 20 controls the operation of the drive motor 24.
  • control unit 20 rotates the drive motor 24 forward and rotates the shaft 17a forward. Therefore, the front-side upper roller 15a and back-side upper roller 15a' are moved in the direction of coming close to each other as shown in FIG. 14, and the distance between the flanges 15f and 15f' is narrowed.
  • the shaft 17b is rotated forward through the toothed pulley 22a, toothed belt 23 and toothed pulley 22b. Therefore, the front-side lower roller 16a and back-side lower roller 16a' are moved in the direction of coming close to each other, and the distance between the flanges 16f and 16f' is narrowed.
  • the control unit 20 rotates the drive motor backward and rotates the shaft 17a backward. Therefore, the front-side upper roller 15a and back-side upper roller 15a' are moved in the direction of separating from each other as shown in FIG. 15, and the distance between the flanges 15f and 15f' is widened.
  • the shaft 17b is rotated backward through the toothed pulley 22a, toothed belt 23 and toothed pulley 22b. Therefore, the front-side lower roller 16a and back-side lower roller 16a' are moved in the direction of separating from each other, and the distance between the flanges 16f and 16f' is widened.
  • the light source 18 and light-receiving sensor 19 have a light-emitting width and a light-receiving width capable of covering the amount of movement of the upper roller 15a/15a' and lower roller 16a/16a'.
  • the upper roller 15a/15a' and lower roller 16a/16a' are moved in the direction of separating from each other based on the card size, and the flanges 15f/15f' and 16f/16f' can be set at the positions suitable for the card size, and a break in a card can be securely opened and detected.
  • the position to open a break in a card can be changed by changing the distance of the upper roller 15a/15a' and lower roller 16a/16a' from the end-face of a card.
  • control unit 20 controls the operation of the drive motor 24, and the distance of flanges 15f/15f' and 16f/16f' of the upper roller 15a/15a' and lower roller 16a/16a' from the end-face of a card can be variably controlled.
  • FIG. 16 shows the case that the break a in a card is opened by moving the flanges 15f/15f' and 16f/16f' of the upper roller 15a/15a' and lower roller 16a/16a' from the end-face of a card to the inside by about 5 mm, and placing the flanges to the break.
  • FIG. 17 shows the case that the break a in a card is not opened by moving the flanges 15f/15f' and 16f/16f' of the upper roller 15a/15a' and lower roller 16a/16a' from the end-face of a card to the inside by about 10 mm, and not placing the flanges to the break.
  • a card is conveyed along the longish side.
  • the conveying direction is not limited to this.
  • a card may be conveyed along the shorter side.
  • FIG. 18 and FIG. 19 show a detection unit according to a second embodiment of the invention.
  • upper air nozzles 31a/31a' and lower air nozzle 32a/32a' are provided as first and second air nozzles and as third and fourth air nozzles, instead of the flanges 15f/15f' and 16f/16f' of the upper roller 15a/15a' and lower roller 16a/16a'.
  • the upper air nozzles 31a and 31a' are moved in the direction of coming close to each other along the direction orthogonal to the card conveying direction, for example, according to the size of a card, as shown in FIG. 18.
  • the lower air nozzles 32a and 32a' are also moved in the direction of coming close to each other, like the upper air nozzles 31a and 31a'.
  • the upper air nozzles 31a and 31a' are moved in the direction of separating from each other along the direction orthogonal to the card conveying direction, for example, according to the size of a card, as shown in FIG. 9.
  • the lower air nozzles 32a and 32a' are also moved in the direction of separating from each other, like the upper air nozzles 31a and 31a'.
  • Air ejected from the upper air nozzle 31a/31a' and lower air nozzle 32a/32a' is blown to both sides of a card from the up/down direction, opens a break if any, and enables detection of a break.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
EP06021546A 2005-10-21 2006-10-13 Appareil de détection de rupture d'une feuille de papier Withdrawn EP1785950A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005306980A JP2007115095A (ja) 2005-10-21 2005-10-21 紙葉類の切れ検出装置

Publications (1)

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EP1785950A1 true EP1785950A1 (fr) 2007-05-16

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EP06021546A Withdrawn EP1785950A1 (fr) 2005-10-21 2006-10-13 Appareil de détection de rupture d'une feuille de papier

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US (1) US20070090592A1 (fr)
EP (1) EP1785950A1 (fr)
JP (1) JP2007115095A (fr)
CN (1) CN1952983A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009100824A1 (fr) * 2008-02-14 2009-08-20 Giesecke & Devrient Gmbh Équipement de détection et procédé pour identifier des fissures dans des documents de valeur
CN102442016A (zh) * 2011-12-17 2012-05-09 南京卓能机械设备有限公司 纸张扯断装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2199092B1 (fr) * 2008-12-17 2012-03-14 Canon Kabushiki Kaisha Appareil d'impression
JP2010277252A (ja) * 2009-05-27 2010-12-09 Toshiba Corp 紙葉類判別装置
CN102760322B (zh) * 2012-06-18 2014-08-20 广州广电运通金融电子股份有限公司 一种撕裂及褶皱券类数据采集装置
CN107032154B (zh) * 2016-02-03 2018-10-16 柯尼卡美能达办公系统研发（无锡）有限公司 纸张输送装置、图像形成装置、逆转纸张损伤检测方法
JP7124310B2 (ja) * 2017-12-14 2022-08-24 コニカミノルタ株式会社 用紙種類判別装置及び画像形成装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098115A1 (fr) * 1982-06-28 1984-01-11 De La Rue Systems Limited Dispositif pour détecter l'état d'une feuille ou d'un tissu
JPS63117859A (ja) * 1986-11-05 1988-05-21 Toshiba Corp 紙葉類の切れ検出装置
JPH1128806A (ja) * 1997-07-09 1999-02-02 Mitsubishi Heavy Ind Ltd 断紙検出装置
JP2000268225A (ja) * 1999-03-16 2000-09-29 Toshiba Corp 紙葉類判別装置
US20030019715A1 (en) * 2001-07-30 2003-01-30 Kazushi Yoshida Automatic money transaction machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098115A1 (fr) * 1982-06-28 1984-01-11 De La Rue Systems Limited Dispositif pour détecter l'état d'une feuille ou d'un tissu
JPS63117859A (ja) * 1986-11-05 1988-05-21 Toshiba Corp 紙葉類の切れ検出装置
JPH1128806A (ja) * 1997-07-09 1999-02-02 Mitsubishi Heavy Ind Ltd 断紙検出装置
JP2000268225A (ja) * 1999-03-16 2000-09-29 Toshiba Corp 紙葉類判別装置
US20030019715A1 (en) * 2001-07-30 2003-01-30 Kazushi Yoshida Automatic money transaction machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009100824A1 (fr) * 2008-02-14 2009-08-20 Giesecke & Devrient Gmbh Équipement de détection et procédé pour identifier des fissures dans des documents de valeur
CN102442016A (zh) * 2011-12-17 2012-05-09 南京卓能机械设备有限公司 纸张扯断装置
CN102442016B (zh) * 2011-12-17 2013-06-19 南京卓能机械设备有限公司 纸张扯断装置

Also Published As

Publication number Publication date
US20070090592A1 (en) 2007-04-26
JP2007115095A (ja) 2007-05-10
CN1952983A (zh) 2007-04-25

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