Classifications

• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
  • G07B1/00—Machines for printing and issuing tickets
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
  • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
  • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
  • G07B5/00—Details of, or auxiliary devices for, ticket-issuing machines
  • G07B5/08—Details of, or auxiliary devices for, ticket-issuing machines for avoiding incorrect action of the machine

Definitions

• Thickness detector ticket processing device
• the present invention relates to a ticket processing device with thickness detector.
• Patents FR 88 00734 and FR 88 00733 the Applicant has already described a ticket processing device comprising an introduction station, a delivery station, a magnetic reading / writing station and a thermal printing station.
• drive means are capable of driving at least one ticket in a bidirectional internal section going from the introduction station to the delivery station, via the magnetic writing / reading station.
• the magnetic writing / reading station includes one or two magnetic writing / reading heads.
• the Applicant has posed the problem of providing a thickness detector in order to determine any duplicates of titles which pass in front of the registration / magnetic reading station.
• the present invention provides a solution to this problem.
• It relates to a device for processing tickets, in particular transport tickets comprising magnetic information, of the type comprising:
• a pressing member arranged opposite the head and suitable for pressing a ticket in front of the magnetic writing / reading head.
• the device further comprises a pressure detector mounted on the pressing member and capable of delivering a signal proportional to the deformation of said detector, said deformation being a function of the movement of the pressing member caused by the passage of one or more titles.
• the pressure detector comprises a strain gauge mounted on a spring leaf in contact with the pressing member, and processing means are suitable for receiving the signal delivered by the gauge, in order to '' deduce the thickness and / or the number of titles simultaneously driven in front of the magnetic writing / reading head.
• the processing means comprise a resistor bridge assembly capable of receiving the signal delivered by the strain gauge, and an operational amplifier suitable for receiving the signals originating from the resistor bridge assembly.
• an analog / digital converter is suitable for converting the output signal of the operational amplifier into a digital signal
• the processing means are capable of processing said digital signal thus converted in order to deduce therefrom and / or the number of titles simultaneously driven in front of the magnetic writing / reading head.
• FIG. 1 is a side view of a ticket processing device intended to be equipped with a pressure detector according to the invention
• FIGS. 2A and 2B are views showing in detail the essential means of the pressure detector according to the invention and;
• FIG. 3 schematically shows the electrical assembly of the pressure detector according to the invention.
• the device for processing DIS titles is for example that described in the Patent Application filed in the name of the Applicant, on the same day as this Application, and under the title "Device for processing titles with thermal printing and magnetic writing / reading along an internal closed circuit path ".
• a Patent Application forms an integral part of this description.
• the title processing device DIS includes a PIN entry station, a DEL delivery station, a magnetic reading / writing station PIL and a thermal printing station TT.
• the title strip is led to a magnetic writing / reading station PIL, comprising a first magnetic writing head TM1, followed by a second magnetic reading head TM2.
• the PIL magnetic read / write station only has one magnetic head. In this case, the strip passes several times in front of the single magnetic head.
• drive means are provided to be capable of driving a ticket along a bidirectional internal section, going from the introduction station to a delivery station, via the registration station / magnetic reading.
• the bidirectional drive means (in the directions F1-F2) comprise a belt C1 which is wound on rollers 4 and 6 via the heads TM1 and TM2, and is wound on rollers 8 and 10 to continue the internal path.
• the belt C1 is driven in a closed circuit by means of a motor roller 12, wound on the motor shaft of the motor Ml.
• the strip is led along a CGI guide channel in front of a COU cutting station.
• the magnetic writing / reading station PIL with its magnetic writing / reading head (s) TMl and TM2 and a pressing device OP mounted opposite the writing head (s). / magnetic reading.
• An optical detector 111 is arranged upstream of the magnetic writing / reading station PIL, in the direction FI.
• the optical detector is used to synchronize the magnetic writing / reading and to initialize the thickness measurement which will be described in more detail below.
• the pressing member OP comprises a bearing surface 110 comprising an inlet lip 112 and an outlet lip 114.
• the lips 112 and 114 are curved towards the outside of the ticket path.
• the bearing surface 110 is pivotally mounted relative to an axis 116 perpendicular to the direction of scrolling of the title using a lever 118 in the form of an arm 119.
• a strain gauge 120 is mounted on an elastic return, here a flat spring leaf 122 whose free end 124 is in contact with the lever 118.
• the free end 124 of the spring leaf 122 is advantageously in the form of a hook, the curved part 125 of which is in contact with the arm of the lever.
• the deformation of the gauge 120 is linked to the deformation of the flat part of the spring blade 122, itself a function of the pressure applied to the lever arm 119, that is to say the pressure applied by the or the titles on the support surface 110.
• Processing means 130 are provided for receiving the signal delivered by the strain gauge 120 in order to deduce therefrom the thickness and / or the number of titles simultaneously driven in front of the magnetic writing / reading head.
• the processing means 130 comprise a bridge arrangement of resistors RI, R2 and R3 suitable for receiving the signal delivered by the strain gauge 120.
• An operational amplifier 132 receives the signals from the bridge assembly of resistors RI, R2 and R3.
• the bridge assembly RI, R2 and R3 is of the "Wheatstone" type in which the gauge represents the fourth resistive value.
• This fourth resistive value varies according to the deformation of the gauge.
• the resistors RI, R2 and R3 are adjusted so that the bridge is close to equilibrium under normal setpoint conditions.
• an analog / digital converter 134 converts the output signal V of the operational amplifier 132 into a digital signal.
• Digital processing means UC for example according to an appropriate software, process the digital signal thus converted, in order to deduce therefrom the thickness of the title applied in front of the magnetic writing / reading head and thus determine any double or triple.
• resistors RI, R2, R3 are arranged in such a way that the signal delivered by the strain gauge in the absence of tickets corresponds to a rest value.
• the software is adapted to deduce from the thickness thus detected the possibility of simultaneous passage of 1, 2 or 3 tickets in front of the magnetic recording / reading head.
• a method for sampling the thickness measurement is provided during the magnetic writing / reading. This process consists in acquiring the thickness of the title at a chosen frequency, for example every centimeter. Processing these samples eliminates the outliers of measurement that can be caused locally by folds or soiling of the tickets.

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Devices For Checking Fares Or Tickets At Control Points (AREA)
• Inspection Of Paper Currency And Valuable Securities (AREA)

Priority Applications (3)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9541744

Family Applications (1)

Country Status (3)

Citations (7)

• 1999
  • 1999-06-17 EP EP99973921A patent/EP1194902B1/de not_active Expired - Lifetime
  • 1999-06-17 WO PCT/FR1999/001466 patent/WO2000079491A1/fr active IP Right Grant
  • 1999-06-17 DE DE69931077T patent/DE69931077D1/de not_active Expired - Lifetime

Patent Citations (7)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events