GB2429767A - Banknote output control device that prevents supply of stacked banknotes - Google Patents

Banknote output control device that prevents supply of stacked banknotes Download PDF

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Publication number
GB2429767A
GB2429767A GB0518142A GB0518142A GB2429767A GB 2429767 A GB2429767 A GB 2429767A GB 0518142 A GB0518142 A GB 0518142A GB 0518142 A GB0518142 A GB 0518142A GB 2429767 A GB2429767 A GB 2429767A
Authority
GB
United Kingdom
Prior art keywords
banknote
output
control device
delivery path
control circuit
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.)
Granted
Application number
GB0518142A
Other versions
GB2429767B (en
GB0518142D0 (en
Inventor
Hung-Yi Chang
Ting-Kuo Lin
Chih-Ching Liao
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.)
International Currency Technologies Corp
Original Assignee
International Currency Technologies 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 International Currency Technologies Corp filed Critical International Currency Technologies Corp
Priority to GB0518142A priority Critical patent/GB2429767B/en
Publication of GB0518142D0 publication Critical patent/GB0518142D0/en
Publication of GB2429767A publication Critical patent/GB2429767A/en
Application granted granted Critical
Publication of GB2429767B publication Critical patent/GB2429767B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G07D7/181—Testing mechanical properties or condition, e.g. wear or tear
    • G07D7/183—Detecting folds or doubles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B65H3/063—Rollers or like rotary separators separating from the bottom of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/56—Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge of the pile
    • B65H3/565—Elements, e.g. scrapers, fingers, needles, brushes, acting on separated article or on edge of the pile for reintroducing partially separated articles in the stack
    • 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
    • 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
    • B65H7/14—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 by photoelectric feelers or detectors
    • G07D11/0039—
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D11/00—Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
    • G07D11/20—Controlling or monitoring the operation of devices; Data handling
    • G07D11/22—Means for sensing or detection
    • G07D11/235—Means for sensing or detection for monitoring or indicating operating conditions; for detecting malfunctions
    • G07D11/237—Means for sensing or detection for monitoring or indicating operating conditions; for detecting malfunctions for detecting transport malfunctions, e.g. jams or misfeeds
    • 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
    • B65H2511/50—Occurence
    • B65H2511/52—Defective operating conditions
    • B65H2511/524—Multiple articles, e.g. double feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/40—Movement
    • B65H2513/41—Direction of movement
    • 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
    • B65H2553/412—Photoelectric detectors in barrier arrangements, i.e. emitter facing a receptor element
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

A banknote output control device includes an optical transmitter module 3 arranged to emit light across a banknote delivery path 14 to an optical receiver module 2 and a control circuit which receives a signal from the receiver module and compares the received signal with a predetermined reference value. If the received signal is approximately equal to the reference value the device allows the delivery of a banknote to continue. However, if the received signal is significantly different to the reference value, indicating a possible condition in which multiple banknotes are being delivered simultaneously, the device stops banknote delivery and reverses the banknote delivery direction. The reference value may be obtained by calculating a mean value of signals received from the receiver module during multiple banknote output tests.

Description

BANKNOTE OUTPUT CONTROL DEVICE THAT PREVENTS
SUPPLY OF STACKED BANKNOTES
BACKGROUND OF THE INVENTION
1. Field of the Invention:
The present invention relates to a banknotc output control device for use in, for example, a money exchanging machine and more particularly, to such a banknote output control device that prevents supply of stacked banknotes.
2. Description of the Related Art:
Following fast development of high technology, a variety of auto vending machines (such as ticket vending machines, money exchanging machines, etc. ) have been developed and intensively used in public places, stores, and etc. In an auto vending machine, a banknote (ticket) output control device may be used to automatically output banknotes (tickets).
Because a banknote (ticket) has a thin thickness, two or more banknotes (tickets) may be carried together for output erroneously.
FIG. 8 shows a banknote output control device A according to the prior art. According to this design, the banknote output control device A comprises a chamber Al, a gap control device B provided in front of the chamber Al for ) I adjusting the banknote delivery gap, a plurality of output wheels A2 provided below the chamber Al, and a motor A3 adapted to rotate the output wheels A2 to carry banknotes C out of the chamber Al through the gap control device B. The length of the circumference of the output wheels A2 is shorter than the length of the banknotes C. The output wheels A2 are made of a material of high coefficient of friction, for example, rubber. Rotating the output wheels A2 causes the output wheels A2 to carry the banknotes C one after another. For enabling the aforesaid structure to output one banknote per each time, the ratio between the length of the circumference of the output wheels A2 and the length of the banknotes C must be calculated so that the turning angle of the output wheels A2 can be controlled corresponding to the length of the banknotes C. However, because different banknotes have different sizes, one banknotc output control device fits only one particular type of banknotes.
Further, the output wheels A2 use a friction force to carry the banknotes C. During rotation, the output wheels A2 may carry multiple banknotes C outwards at a time. Further, because a banknote C has a thin thickness, it is difficult to adjust the banknote delivery gap to the thickness of the banknotes C accurately. If the banknote delivery gap is not equal to the thickness of the banknotes C, two or more banknotes C may be delivered together, or banknotes C may be jammed in the gap control device B, resulting in failure of the whole system.
Therefore, it is desirable to provide a banknote output control device that eliminates the aforesaid drawbacks.
SUMMARY OF THE INVENTION
The present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a banknote output control device, which prevents supply of stacked banknotes. To achieve this and other objects of the present invention, the banknote output control device uses an optical transmitter module to emit light across the banknote delivery path, an optical receiver module to detect light passing from the optical transmitter module across the banknote delivery path, and a control circuit to control the output of banknote subject to the detection result. When only one banknotc is delivered through the banknote delivery path, the value of the detection signal from the optical receiver module is approximately equal to a predetermined reference value. When two or more banknotes are put together and carried through the banknote delivery path, the transmittancy of the banknotes detected by the optical receiver module is far from the reference value. At this time, the control circuit reverses the banknote carrying direction, preventing output of stacked banknotes.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is an elevational view of a banknote output control device according to the present invention.
FIG. 2 is an exploded view of the banknotc output control device according to the present invention.
FIG. 3 is a sectional side view of the banknotc output control device according to the present invention.
FIG. 4 is a circuit diagram of the control circuit of the banknote output control device according to the present invention.
FIG. 5 is a schematic side view showing the status of the banknote output control device before output of a banknote.
FIG. 6 is similar to FIG. 5 but showing a banknote delivered to the banknote outlet.
FIG. 7 is an operation flow chart of the present invention.
FIG. 8 is a schematic side view of the prior art design.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to FIGS. l-'3, a banknote output control device in accordance with the present invention is shown comprised of an optical receiver module 2, an optical transmitter module 3, and a housing 1 houses the optical receiver module 2 and the optical emitter module 3.
The housing 1 comprises a horizontal inside board 11, which has a plurality of openings 111, an accommodating chamber 12 defined above the horizontal inside board 11, a receiving chamber 13 defined below the horizontal inside board 11, a banknotc outlet 15, and a banknote delivery path 14 in communication between the accommodating chamber 12 and the banknote outlet 15.
The optical receiver module 2 is provided at one side of the banknote delivery path 14 adjacent to the banknote outlet 15.
The optical receiver module 2 is electrically connected to a control circuit, and comprised of resistors, capacitors, photoelectric transistors, and a photo sensor 21 (see FIG. 4).
The optical transmitter module 3 is provided at one side of the banknote delivery path 14 opposite to the optical receiver module 2. The optical transmitter module 3 is electrically connected to the aforesaid control circuit, and comprised of resistors, capacitors, transistors, and a light emitting device 31 (see FIG. 4). The light emitting device 31 faces the photo sensor 21. The aforesaid control circuit controls the intensity of light of the light emitting device 31 by means of controlling the flowing of electric current to the light emitting device 31. Light from the light emitting device 31 passes across the banknote delivery path 14 toward the photo sensor 21. The photo sensor 21 sends detected light signal to the control circuit for comparison with a predetermined reference value.
Further, the housing 1 houses a transmission wheel set 4 and an output wheel set 5. The transmission wheel set 4 is mounted in the receiving chamber 13 below the horizontal inside board 11, comprised of a plurality of wheels 41. Some wheels 41 have a respective push block 411 fixedly provided at one side and protruding over the openings 111 of the horizontal inside board 11. The output wheel set 5 is mounted in the accommodating chamber 12 between the horizontal inside board 11 and the banknote delivery path 14, comprising a dispensing wheel 51, an adjustment wheel 52, and an impression wheel 53.
The dispensing wheel 51, adjustment wheel 52 and impression wheel 53 of the output wheel set 5 are kept in contact with the periphery of the respective wheels 41 of the transmission wheel set 4. The adjustment wheel 52 can be moved to adjust the pitch between the adjustment wheel 52 and the corresponding wheel 41.
Further, the aforesaid optical receiver module 2, optical transmitter module 3, transmission wheel set 4, output wheel set and control circuit (see FIG. 4) are electrically connected with a driving mechanism (not shown). Thc control circuit controls the operation of the optical receiver module 2 and the optical transmitter module 3 and controls the transmission wheel set 4 and output wheel set 5 to pick up banknotes individually and to deliver each received banknote to the banknote outlet 15 subject to a set program. Further, the housing I is connected to a main unit (not shown). The main unit can be a computer, money exchanging machine, or vending machine. Through the main unit, the user can set the operation mode of the control circuit.
Referring to FIGS. 5 and 6 and FIG. 3 again, a number of banknotes 6 are arranged in a stack inside the accommodating chamber 12 of the housing 1. When started the mode of outputting a banknote, the transmission wheel set 4 is rotated forwards. During forward rotation of the wheels 41, the push block 411 of one wheel 41 is rubbed over the first banknote of the banknotes 6 to carry the banknotes 6 toward the banknote outlet 15 and to further push the first banknote of the banknotes 6 toward the dispensing wheel 51 of the output wheel set 5.
When the banknotes 6 touched the dispensing wheel 51, the dispensing wheel 51 pushes the banknotes 6 into a stepped status and carries the stepped banknotes 6 toward the impression wheel 53, enabling the first banknote of the banknotes 6 to be transferred through the gap between the adjustment wheel 52 and the corresponding wheel 41 into the banknote delivery path 14. At this time, the optical receiver module 2 and the optical transmitter module 3 are operated.
Referring to FIG. 7, when started the optical receiver module 2 and the optical transmitter module 3, the control circuit (see FIG. 4) operates subject to the following steps: (101) proceeding with system initialization after start; (102) judging if there is a banknote for output? And then entering step (103) if positive, or repeating step (102) if negative; (103) driving the optical transmitter module to emit light and the optical receiver module to receive light signal directly from the optical transmitter module or via the banknote being transferred, and then entering step (104); (104) comparing the value of the detected signal from the optical receiver module with the predetermined reference value, and then proceeding to step (105) if the two values are approximately equal, or to step (106) if the difference between these two values surpassed a predetermined value (two banknotes are outputted together); (105) continuing the operation of the optical transmitter module and the optical receiver module to detect if the banknote has been sent out or not? And then proceeding to step (108) if positive, or to step (106) if negative (overtime); (106) reversing the output wheel set and then proceeding to step (107); (107) shutting down the device and then starting a troubleshooting operation; and (108) End.
As indicated above, the invention uses an optical transmitter module and an optical receiver module to detect the transmittancy of the outputting banknote. When the transmittancy surpassed a predetermined value, it is judged to have multiple banknotes put together, preventing output of multiple banknotes at a time. The reference value can be obtained from the mean value of several tests. The obtained reference value is then written in the program of the control circuit. Therefore, different reference value can be accurately set for different banknotes.
A prototype of banknote output control device has been constructed with the features of FIGS. 17. The banknote output control device functions smoothly to provide all of the features discussed earlier.
Although a particular embodiment of the invention has been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the invention.

Claims (8)

  1. What the invention claimed is: 1. A banknote output control device
    comprising a housing, said housing having a banknote delivery path and a banknote outlet at one end of said banknote delivery path; an optical transmitter module mounted inside said housing at one side of said banknote delivery path adjacent to said banknote outlet and adapted to emit light across said banknote delivery path; an optical receiver module mounted inside said housing at one side of said banknote delivery path adjacent to said banknote outlet and opposite to said optical transmitter module and adapted to receive light passing from said optical transmitter module across said banknote delivery path and to output a corresponding detection signal; and a control circuit adapted to receive the detection signal from said optical receiver module, to compare the value of the detection signal with a predetermined reference value set in said control circuit; wherein when the value of the detection signal is approximately equal to said reference value during comparison by said control circuit, said control circuit continues the output of a banknote; if there is a difference greater than a predetermined value between the value of the detection signal obtained from said optical receiver module and said reference value, said control circuit stops a banknote output operation and reverses the delivery of banknotes.
  2. 2. The banknote output control device as claimed in claim I, wherein said housing comprises a horizontal inside board disposed at one side of said banknote delivery path, said horizontal inside board having a plurality of openings, an accommodating chamber defined above said horizontal inside board for accommodating a stack of banknotes, and a receiving chamber defined below said horizontal inside board.
  3. 3. The banknote output control device as claimed in claim 2, further comprising a transmission wheel set mounted in said receiving chamber and adapted to carry accommodated banknotes out of said horizontal inside board toward said banknote delivery path, and an output wheel set mounted in said accommodating chamber between said horizontal inside board and said banknote delivery path and adapted to carry each transferred banknote from said transmission wheel set to said banknote outlet.
  4. 4. The banknote output control device as claimed in claim 3, wherein said transmission wheel set comprises a plurality of wheels respectively partially projecting into said openings of said horizontal inside board; said output wheel set comprises a dispensing wheel for dispensing banknotes delivered from said transmission wheel set, an adjustment wheel, and an impression wheel.
  5. 5. The banknote output control device as claimed in claim 4, wherein said dispensing wheel, said adjustment wheel and said impression wheel of said output wheel set are respectively peripherally set in contact with the periphery of the wheels of said transmission wheel set; said adjustment wheel is adjustable relative to the respective transmission wheel to adjust the pitch between said adjustment wheel and the respective wheel.
  6. 6. The banknote output control device as claimed in claim 1, wherein said optical transmitter module is electrically connected to said control circuit and comprised of resistors, capacitors, transistors and a light emitting device; said control circuit controls the flowing of an electric current to said light emitting device to further control the light intensity of said light emitting device.
  7. 7. The banknote output control device as claimed in claim 1, wherein said optical receiver module is electrically connected to said control circuit and comprised of resistors, capacitors, photoelectric transistors, and a photo sensor, said photo sensor being adapted to receive light passing from said light emitting device across said banknote delivery path and to output a corresponding detection signal to said control circuit.
  8. 8. The banknotc output control device as claimed in claim 1, wherein said reference value is obtained by calculating the mean value of the detection signals of multiple banknote output tests.
GB0518142A 2005-09-06 2005-09-06 Banknote output control device that prevents supply of stacked banknotes Expired - Fee Related GB2429767B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0518142A GB2429767B (en) 2005-09-06 2005-09-06 Banknote output control device that prevents supply of stacked banknotes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0518142A GB2429767B (en) 2005-09-06 2005-09-06 Banknote output control device that prevents supply of stacked banknotes

Publications (3)

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GB0518142D0 GB0518142D0 (en) 2005-10-12
GB2429767A true GB2429767A (en) 2007-03-07
GB2429767B GB2429767B (en) 2010-05-12

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2319485A1 (en) * 2006-11-17 2009-05-07 International Currency Technologies Corporation Method for control of the exit of individual laminar elements (Machine-translation by Google Translate, not legally binding)
EP2036843A3 (en) * 2007-09-12 2011-08-31 Hitachi-Omron Terminal Solutions, Corp. Paper sheet storage device and control method and control program for paper sheet storage device
RU2447499C1 (en) * 2010-12-21 2012-04-10 Общество С Ограниченной Ответственностью "Конструкторское Бюро "Дорс" (Ооо "Кб "Дорс") Device for measuring optical characteristics of document
US8208133B2 (en) 2009-04-10 2012-06-26 Obshhestvo S Organichennoj Otvetstvennost'Ju Konstruktorskoe Bjuro “Dors” Banknote verification device
CN111710092A (en) * 2020-08-18 2020-09-25 恒银金融科技股份有限公司 Abnormal paper money transmission device

Citations (11)

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Publication number Priority date Publication date Assignee Title
GB1344986A (en) * 1970-06-04 1974-01-23 De La Rue Instr Discriminating apparatus for moving translucent sheets
FR2492349A1 (en) * 1980-10-17 1982-04-23 Transac Dev Transact Automat Single not checking mechanism for cash dispenser - includes optical source and detectors sensing transparency of note to ensure that only one is dispensed
US4660822A (en) * 1985-02-07 1987-04-28 Brandt, Inc. Compact apparatus for dispensing a preselected mix of paper currency or the like
US4737627A (en) * 1985-12-19 1988-04-12 Technitrol, Inc. Method of detecting the improper separation of documents being fed through a document counter or the like
US4761002A (en) * 1986-01-21 1988-08-02 Brandt, Inc. Document handling and counting apparatus
US5502312A (en) * 1994-04-05 1996-03-26 Pitney Bowes Inc. Double document detection system having dectector calibration
EP0921083A2 (en) * 1997-11-05 1999-06-09 Ncr International Inc. System for detecting superposed sheets
WO2000058916A1 (en) * 1999-03-30 2000-10-05 Spectra Science Corporation Sensor for detecting thickness of items
US6241244B1 (en) * 1997-11-28 2001-06-05 Diebold, Incorporated Document sensor for currency recycling automated banking machine
WO2002024561A1 (en) * 2000-09-21 2002-03-28 De La Rue International Limited Document handling apparatus
WO2004080865A1 (en) * 2003-03-12 2004-09-23 De La Rue International Limited Optical double feed detection

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1344986A (en) * 1970-06-04 1974-01-23 De La Rue Instr Discriminating apparatus for moving translucent sheets
FR2492349A1 (en) * 1980-10-17 1982-04-23 Transac Dev Transact Automat Single not checking mechanism for cash dispenser - includes optical source and detectors sensing transparency of note to ensure that only one is dispensed
US4660822A (en) * 1985-02-07 1987-04-28 Brandt, Inc. Compact apparatus for dispensing a preselected mix of paper currency or the like
US4737627A (en) * 1985-12-19 1988-04-12 Technitrol, Inc. Method of detecting the improper separation of documents being fed through a document counter or the like
US4761002A (en) * 1986-01-21 1988-08-02 Brandt, Inc. Document handling and counting apparatus
US5502312A (en) * 1994-04-05 1996-03-26 Pitney Bowes Inc. Double document detection system having dectector calibration
EP0921083A2 (en) * 1997-11-05 1999-06-09 Ncr International Inc. System for detecting superposed sheets
US6241244B1 (en) * 1997-11-28 2001-06-05 Diebold, Incorporated Document sensor for currency recycling automated banking machine
WO2000058916A1 (en) * 1999-03-30 2000-10-05 Spectra Science Corporation Sensor for detecting thickness of items
WO2002024561A1 (en) * 2000-09-21 2002-03-28 De La Rue International Limited Document handling apparatus
WO2004080865A1 (en) * 2003-03-12 2004-09-23 De La Rue International Limited Optical double feed detection

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2319485A1 (en) * 2006-11-17 2009-05-07 International Currency Technologies Corporation Method for control of the exit of individual laminar elements (Machine-translation by Google Translate, not legally binding)
EP2036843A3 (en) * 2007-09-12 2011-08-31 Hitachi-Omron Terminal Solutions, Corp. Paper sheet storage device and control method and control program for paper sheet storage device
US8208133B2 (en) 2009-04-10 2012-06-26 Obshhestvo S Organichennoj Otvetstvennost'Ju Konstruktorskoe Bjuro “Dors” Banknote verification device
RU2447499C1 (en) * 2010-12-21 2012-04-10 Общество С Ограниченной Ответственностью "Конструкторское Бюро "Дорс" (Ооо "Кб "Дорс") Device for measuring optical characteristics of document
CN111710092A (en) * 2020-08-18 2020-09-25 恒银金融科技股份有限公司 Abnormal paper money transmission device

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Publication number Publication date
GB2429767B (en) 2010-05-12
GB0518142D0 (en) 2005-10-12

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