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WO1992002002A1 - Systeme servant a mesurer la vitesse d'avance d'une carte magnetique - Google Patents

Systeme servant a mesurer la vitesse d'avance d'une carte magnetique Download PDF

Info

Publication number
WO1992002002A1
WO1992002002A1 PCT/JP1991/000946 JP9100946W WO9202002A1 WO 1992002002 A1 WO1992002002 A1 WO 1992002002A1 JP 9100946 W JP9100946 W JP 9100946W WO 9202002 A1 WO9202002 A1 WO 9202002A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic card
magnetic
speed
transport
peak
Prior art date
Application number
PCT/JP1991/000946
Other languages
English (en)
Japanese (ja)
Inventor
Shigeru Izawa
Original Assignee
Kabushiki Kaisha Csk
Nihon Card Center Kabushiki Kaisha
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 Kabushiki Kaisha Csk, Nihon Card Center Kabushiki Kaisha filed Critical Kabushiki Kaisha Csk
Publication of WO1992002002A1 publication Critical patent/WO1992002002A1/fr

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
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process

Definitions

  • the present invention relates to a transfer speed measuring system for measuring a transfer speed of a magnetic card of a magnetic force transfer device provided in a magnetic card reader / writer device.
  • the position detection means of the magnetic card the position of the magnetic card is detected by calculating the transport distance of the magnetic card from the rotation speed and rotation angle of the drive motor for transporting the magnetic card. Tatsuko was being done.
  • the above-mentioned magnetic card position detecting means does not directly measure the moving distance of the magnetic card, and thus the belt slip and gear rattle in the magnetic card transport system.
  • an error hereinafter, referred to as a transport error
  • a transport error is the transport error when transporting the magnetic card of the reader / writer device within the allowable range for data processing of the magnetic card? No 3 ⁇ 4 It became necessary to measure. ⁇
  • the purpose of this system is to provide a transport speed measurement system.
  • a magnetic card comprising: a magnetic card; and a transport speed measuring device that measures a transport speed of a transport device that transports the magnetic card.
  • a magnetic recording portion arranged in a stripe along the transport direction, the transport speed measuring device scans a magnetic recording portion of the magnetic card and reads the magnetic recording portion;
  • a peak detector for detecting a peak of a read signal by a head and outputting a pulse signal based on the peak interval, a counter for counting a time interval of the pulse signal, and magnetic recording of the magnetic card
  • An arithmetic processing unit for calculating the magnetic card transport speed based on the interval between the units and the time interval of the pulse signal; and a display unit for displaying the calculation result by the arithmetic processing unit.
  • the invention according to the second aspect is the invention according to the first aspect, wherein the arithmetic processing unit of the transport speed measuring device outputs the pulses output at the same time interval from the transfer speed of the magnetic card stored in the memory.
  • the arithmetic processing unit of the transport speed measuring device outputs the pulses output at the same time interval from the transfer speed of the magnetic card stored in the memory.
  • FIG. 1 is a partially cutaway perspective view showing a magnetic card used in an embodiment of the transport speed measuring system of the present invention
  • FIG. 2 is a block diagram showing a transport speed measuring device used in this embodiment
  • FIGS. 3 (a) and 3 (b) are charts showing waveforms of a read signal, a peak detection signal, and a pulse signal by the magnetic head of FIG. 2,
  • FIG. 4 is a chart showing the velocity distribution calculated by the arithmetic processing unit.
  • FIG. 5 is a timing chart showing a pulse signal ( ⁇ -shape) output from the peak detector.
  • FIG. 1 is a perspective view showing a magnetic card used in a transport speed measuring system according to one embodiment of the present invention.
  • the magnetic card 10 includes a substrate 11, a magnetic recording unit 12 arranged in stripes at regular intervals along the transport direction of the substrate 11, and a protection covering the magnetic recording unit 12. It is composed of layers 13.
  • the magnetic card 10 a magnetic card having a normal magnetic layer for data recording may be used.
  • the magnetic recording section 12 is formed using a magnetic material having a different coercive force from the magnetic layer. Will be done.
  • FIG. 2 is a block diagram showing a transport speed measuring device used in the present embodiment.
  • the transport speed measuring device 20 scans the magnetic recording unit 12 of the magnetic card 10 to read the magnetic head 21, and reads a read signal from the magnetic head 21.
  • the counter 24 for counting the time interval, the memory 25 for storing the total value of the counter 24, the interval and the memory 2 for the magnetic recording unit 12 of the magnetic card 10
  • the arithmetic processing unit 26 calculates the transport speed of the magnetic card 10 from the count value of the counter 24 stored in 5 and detects the speed distribution, and the arithmetic processing unit 26 And a display unit 27 for displaying the calculation result.
  • the peak detector 23 detects a peak of a read signal by the source 21 and outputs a pulse signal to the magnetism shown in FIG. 3A.
  • Fig. 3 (b) shows the peak detection waveform and the output waveform of the pulse signal by the peak detection unit 23. Since the magnetic recording units 12 are arranged at regular intervals, pulse signals are output at regular intervals as shown in the figure.
  • the counter 24 resets and counts each time the pulse signal shown in FIG. 3 (b) rises or falls. By this, the time interval between pulse signals, that is, the time during which the magnetic card 10 moves by one pitch of the magnetic recording unit 12 is counted.
  • the memory 25 stores and stores the count value of the counter 24 for each pulse signal.
  • the arithmetic processing unit 26 classifies the count value of the counter 24 stored in the memory 25 into the same numerical value, and calculates the number of pulse signals output at the same time interval. Also, based on the count value stored in the memory 25 and the interval between the magnetic recording units 12, the transfer speed of the magnetic force 10 is moved by one pitch of the magnetic recording unit 12. Calculate separately for each amount. Then, a speed distribution of the transport speed of the magnetic card 10 as shown in FIG. 4 is obtained from the above two calculation results.
  • the arithmetic processing unit 26 calculates the transport speed of the magnetic card 10 for each movement amount of one pitch of the magnetic recording unit 12, which may cause an operation error.
  • the place where the transport error has occurred can be detected. That is, when the normal reading is performed, the intervals between the pulse signals are equal as shown in FIG. 5, but when a transport error occurs, the intervals between the pulse signals are different. Therefore, by calculating the transport speed for each pulse signal and continuously indicating the transport speed, it is possible to detect at which position of the magnetic card 10 a transport error has occurred.
  • the average speed, the maximum speed, and the minimum speed of the transport device can be calculated from the calculation result of the arithmetic processing unit 26 as necessary.
  • the pulse signal is output every time the read signal reaches the peak once, but the pulse signal may be output every several peaks.
  • the output of the pulse signal from the peak detection unit 23 is not matched with the peak of the read signal, and a reference is set between the plus peak and the minus peak, and the pulse signal is transmitted in accordance with this. You may do so.

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Conveying Record Carriers (AREA)

Abstract

Le dispositif décrit (20) sert à mesurer la vitesse d'avance d'une carte magnétique (10), sur laquelle sont placées des parties d'enregistrement magnétique (12) en forme de bandes dans la direction d'avance. Le dispositif (20) utilisé à cet effet comprend une tête magnétique (21) qui lit les parties d'enregistrement magnétique (12) par balayage, une partie de détection de crête (23) qui détecte les crêtes du signal produit par la lecture effectuée par la tête magnétique (21) et qui émet des signaux d'impulsion selon les intervalles entre les crêtes, un compteur (24) qui mesure les intervalles de temps entre les signaux d'impulsion, une partie de traitement arithmétique (26) qui calcule la vitesse d'avance de la carte magnétique (10) à partir des intervalles entre les parties d'enregistrement magnétique (12) et des intervalles de temps entre les signaux d'impulsion, ainsi qu'une partie d'affichage (27) qui affiche le résultat du calcul effectué par la partie de traitement arithmétique (26). Ainsi, on peut mesurer avec précision la vitesse d'avance de la carte magnétique (10).
PCT/JP1991/000946 1990-07-20 1991-07-16 Systeme servant a mesurer la vitesse d'avance d'une carte magnetique WO1992002002A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19268690A JPH0478984A (ja) 1990-07-20 1990-07-20 磁気カードの搬送速度計測システム
JP2/192686 1990-07-20

Publications (1)

Publication Number Publication Date
WO1992002002A1 true WO1992002002A1 (fr) 1992-02-06

Family

ID=16295361

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1991/000946 WO1992002002A1 (fr) 1990-07-20 1991-07-16 Systeme servant a mesurer la vitesse d'avance d'une carte magnetique

Country Status (2)

Country Link
JP (1) JPH0478984A (fr)
WO (1) WO1992002002A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013100397B4 (en) * 2012-11-29 2013-12-19 Australian Mobile Mining Equipment Systems And Accessories Pty. Limited Rotating mechanism

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6001523A (en) * 1998-10-29 1999-12-14 Lexmark International, Inc. Electrophotographic photoconductors
US6169869B1 (en) 1999-01-28 2001-01-02 Canon Kabushiki Kaisha Image forming apparatus and process cartridge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106741U (fr) * 1978-01-11 1979-07-27
JPS63306528A (ja) * 1987-06-08 1988-12-14 Nippon Coinco:Kk 磁気カ−ド
JPH0293369A (ja) * 1988-09-30 1990-04-04 Toshiba Corp 空間フィルタ速度検出装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106741U (fr) * 1978-01-11 1979-07-27
JPS63306528A (ja) * 1987-06-08 1988-12-14 Nippon Coinco:Kk 磁気カ−ド
JPH0293369A (ja) * 1988-09-30 1990-04-04 Toshiba Corp 空間フィルタ速度検出装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2013100397B4 (en) * 2012-11-29 2013-12-19 Australian Mobile Mining Equipment Systems And Accessories Pty. Limited Rotating mechanism
AU2013202215A1 (en) * 2012-11-29 2014-06-12 Australian Mobile Mining Equipment Systems And Accessories Pty. Limited Rotating mechanism
AU2013202215B2 (en) * 2012-11-29 2015-12-03 Australian Mobile Mining Equipment Systems And Accessories Pty. Limited Rotating mechanism
AU2013100397C4 (en) * 2012-11-29 2016-06-02 Australian Mobile Mining Equipment Systems And Accessories Pty. Limited Rotating mechanism

Also Published As

Publication number Publication date
JPH0478984A (ja) 1992-03-12

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