EP0669213A1 - Einrichtung und Steuerverfahren zum Aufrollen eines Bandes auf eine Aufnahmespule - Google Patents

Einrichtung und Steuerverfahren zum Aufrollen eines Bandes auf eine Aufnahmespule Download PDF

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Publication number
EP0669213A1
EP0669213A1 EP95400307A EP95400307A EP0669213A1 EP 0669213 A1 EP0669213 A1 EP 0669213A1 EP 95400307 A EP95400307 A EP 95400307A EP 95400307 A EP95400307 A EP 95400307A EP 0669213 A1 EP0669213 A1 EP 0669213A1
Authority
EP
European Patent Office
Prior art keywords
ribbon
steps
determined length
per unit
stepping motor
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
EP95400307A
Other languages
English (en)
French (fr)
Other versions
EP0669213B1 (de
Inventor
Paul Morgavi
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.)
Gemplus SA
Original Assignee
Gemplus Card International SA
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 Gemplus Card International SA filed Critical Gemplus Card International SA
Publication of EP0669213A1 publication Critical patent/EP0669213A1/de
Application granted granted Critical
Publication of EP0669213B1 publication Critical patent/EP0669213B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
    • B41J35/16—Multicolour arrangements
    • B41J35/18—Colour change effected automatically

Definitions

  • the present invention relates to a system for controlling the winding of a ribbon on a take-up reel, the ribbon being intended for the thermal transfer of dyes occurring sequentially on the ribbon.
  • plastic tape on which are sequentially deposited primary dyes, yellow, magenta, cyan, making it possible to obtain, by combination of the different wavelengths called subtractive, a palette of several million colors and tints.
  • the ribbon is presented wound on a storage reel whose axis turns freely; another reel, called receiver, is used to wind the ribbon after use, and is provided with a drive motor means.
  • the winding speed expressed in take-up reel turns, varies with each turn since the diameter of the circumference of the winding drum increases by the thickness of a new wound layer.
  • the object of the invention is to provide a control system for a motor for driving a ribbon take-up reel which makes it possible to obtain a constant linear speed of the ribbon regardless of the ribbon winding diameter on the take-up reel.
  • the detection device comprises two elementary detection cells separated, in the direction of travel of the ribbon, by a distance equal to the determined length.
  • this determined length is measured by the number of steps separating the passage of an index in front of the two elementary detection cells.
  • the system for controlling the winding of a ribbon on a take-up reel according to the invention will be described in its application to a color printing machine of the type in which the dyes corresponding to the primary colors are arranged sequentially on the ribbon and are transferred successively on a support to be printed by thermal effect.
  • a ribbon 10 serves as a support for dyes appearing sequentially in order, yellow 1, magenta 2, cyan 3. Each segment of three colors is separated from the next by a band 4, of color black for example, which is fifteen millimeters long for example.
  • Each color is separated from the next by a strip 5, of black color for example, which has a length of five millimeters for example.
  • the bands 4 will be designated as sequence indicators called index and the bands 5 as being color indicators, also called separators.
  • the lengths of colors on a ribbon are generally equal but can vary from one ribbon to another depending on the length of the card to be printed and the areas to be printed on it.
  • the ribbon 10 is wound on a storage reel 11.
  • the ribbon 10 is wound on a take-up reel 8 which is rotated by a motor means 7.
  • the ribbon 10 passes in front of a thermal printing head 18 under which passes a support 13 for printing the latter.
  • the drive means of the support 13 have not been shown in FIG. 1.
  • Rollers 15 are provided for deflecting the ribbon 10 so as to present it under the thermal printing head 18.
  • the arrow 14 indicates the direction of scrolling the ribbon 10.
  • the electronic device 12 comprises (FIG. 3) an electronic counting circuit 15 which counts the number of steps of the motor to cover the determined length; this number is used, in a calculation circuit 16 and in combination with the number of steps per revolution of the take-up reel, to calculate the circumference of the take-up reel as well as the number of steps to be taken per unit of time for the ribbon speed remains constant and equal to that of the support 13 to be printed.
  • This number of steps per unit of time is used in an electronic control circuit 17 to develop, per unit of time, a number of pulses for controlling the stepping motor 7 which is equal to the number of steps calculated by the electronic circuit. calculation 16.
  • the detection device 1 preferably comprises two optical cells 1A and 1B which are separated, in the direction of travel 14, by a distance which is precisely equal to the determined length D to be detected, for example seven and a half millimeters.
  • the index 4 is used and more precisely the rear flank in the direction of travel by detecting the instants of unmasking of the cell 1A first and of the cell 1B then.
  • the ribbon has passed from the intercellular distance D of seven and a half millimeters, which corresponds to a determined number n of steps of the motor 7 which are counted by the counting circuit 15 from the control pulses. of circuit 17.
  • circuit 17 calculates the number of pulses P per unit of time, for example per second, to be applied to the motor 7 to obtain this speed V during the scrolling of the ribbon to the next index 4.
  • the stepping motor 7 is designed to perform 3200 steps or microsteps to rotate the take-up reel by one complete turn, which allows high precision to be obtained.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
EP95400307A 1994-02-24 1995-02-14 Einrichtung und Steuerverfahren zum Aufrollen eines Bandes auf eine Aufnahmespule Expired - Lifetime EP0669213B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9402118A FR2716413B1 (fr) 1994-02-24 1994-02-24 Système et procédé de pilotage de l'enroulement d'un ruban sur une bobine réceptrice.
FR9402118 1994-02-24

Publications (2)

Publication Number Publication Date
EP0669213A1 true EP0669213A1 (de) 1995-08-30
EP0669213B1 EP0669213B1 (de) 1997-08-27

Family

ID=9460390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95400307A Expired - Lifetime EP0669213B1 (de) 1994-02-24 1995-02-14 Einrichtung und Steuerverfahren zum Aufrollen eines Bandes auf eine Aufnahmespule

Country Status (5)

Country Link
US (1) US5573202A (de)
EP (1) EP0669213B1 (de)
JP (1) JPH07256993A (de)
DE (1) DE69500589T2 (de)
FR (1) FR2716413B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677396B1 (de) * 1994-04-15 1998-09-02 Gemplus Card International Bandspannungsverstellvorrichtung beim Kleben des Bandes an einem Aufzeichnungsträger

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853253A (en) * 1997-10-15 1998-12-29 Eastman Kodak Company Printer and method adapted to precisely position a dye receiver portion
US20050084646A1 (en) * 2003-10-21 2005-04-21 Simtec, Co. Furniture slide for use on hard surface floors
GB0814617D0 (en) 2008-08-11 2008-09-17 Zipher Ltd A machine and method for its operation
GB2482167B (en) * 2010-07-22 2016-06-08 Markem-Imaje Ind Ltd Tape drive and method of operation of a tape drive
WO2020054007A1 (ja) * 2018-09-13 2020-03-19 三菱電機株式会社 熱転写型プリンター
CN113682060B (zh) * 2019-05-22 2023-06-30 厦门汉印电子技术有限公司 一种打印设备、装置及打印介质的边缘确定方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038191A (ja) * 1983-08-12 1985-02-27 Seiko Instr & Electronics Ltd サ−マルリボン送り機構
JPS6124491A (ja) * 1984-07-13 1986-02-03 Toshiba Corp 熱転写形プリンタ
JPH02185474A (ja) * 1989-01-13 1990-07-19 Nec Corp 熱転写プリンタの印字機構
JPH0343274A (ja) * 1989-07-11 1991-02-25 Nec Corp ライン型カラー熱転写プリンタ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01275361A (ja) * 1988-04-28 1989-11-06 Toshiba Corp 磁気テープ巻取装置のコイル径検出方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038191A (ja) * 1983-08-12 1985-02-27 Seiko Instr & Electronics Ltd サ−マルリボン送り機構
JPS6124491A (ja) * 1984-07-13 1986-02-03 Toshiba Corp 熱転写形プリンタ
JPH02185474A (ja) * 1989-01-13 1990-07-19 Nec Corp 熱転写プリンタの印字機構
JPH0343274A (ja) * 1989-07-11 1991-02-25 Nec Corp ライン型カラー熱転写プリンタ

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 174 (M - 490) 1986 *
PATENT ABSTRACTS OF JAPAN vol. 14, no. 464 (M - 1033) 1990 *
PATENT ABSTRACTS OF JAPAN vol. 15, no. 182 (M - 1111) 1991 *
PATENT ABSTRACTS OF JAPAN vol. 9, no. 164 (M - 395) 1985 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0677396B1 (de) * 1994-04-15 1998-09-02 Gemplus Card International Bandspannungsverstellvorrichtung beim Kleben des Bandes an einem Aufzeichnungsträger

Also Published As

Publication number Publication date
EP0669213B1 (de) 1997-08-27
US5573202A (en) 1996-11-12
DE69500589D1 (de) 1997-10-02
FR2716413B1 (fr) 1996-04-26
DE69500589T2 (de) 1998-03-26
JPH07256993A (ja) 1995-10-09
FR2716413A1 (fr) 1995-08-25

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