EP0481579B1 - Verfahren zum Drucken magnetisch lesbarer Schriftzeichen und Verwendung eines Matrixdruckkopfes hierfür sowie Verfahren zu dessen Herstellung - Google Patents

Verfahren zum Drucken magnetisch lesbarer Schriftzeichen und Verwendung eines Matrixdruckkopfes hierfür sowie Verfahren zu dessen Herstellung Download PDF

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Publication number
EP0481579B1
EP0481579B1 EP91250288A EP91250288A EP0481579B1 EP 0481579 B1 EP0481579 B1 EP 0481579B1 EP 91250288 A EP91250288 A EP 91250288A EP 91250288 A EP91250288 A EP 91250288A EP 0481579 B1 EP0481579 B1 EP 0481579B1
Authority
EP
European Patent Office
Prior art keywords
printing
print
shaped
print head
bar
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.)
Expired - Lifetime
Application number
EP91250288A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0481579A2 (de
EP0481579A3 (en
Inventor
Dieter Stellmach
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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Filing date
Publication date
Application filed by Mannesmann AG filed Critical Mannesmann AG
Publication of EP0481579A2 publication Critical patent/EP0481579A2/de
Publication of EP0481579A3 publication Critical patent/EP0481579A3/de
Application granted granted Critical
Publication of EP0481579B1 publication Critical patent/EP0481579B1/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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/485—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes
    • B41J2/505—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by the process of building-up characters or image elements applicable to two or more kinds of printing or marking processes from an assembly of identical printing elements

Definitions

  • the invention relates to a method for printing magnetically readable characters, in which magnetically readable color is transferred from a single-use ink ribbon to a recording medium, the recording medium and ink ribbon being moved and the print head being held stationary. the use of a suitable matrix needle printhead and its manufacture.
  • the magnetically readable fonts CMC 7 and E13B are important. Both fonts are currently carried out with type printing units, ie with full-contour characters (as is usual with typewriters). In this case, plastic films with a coating of a wax-like, colored and interspersed layer with magnetic particles are used as the ribbon.
  • Type plate printers can print 30 to 40 characters / s. However, this printing process can no longer print much faster due to the inertia of the type wheel or its drive parts.
  • type plate printers are also very large and the service life of such type plates is approximately 60,000 characters, i.e. 60 typewriter pages limited, because the individual types are made of plastic and are operated by means of a steel hammer and are therefore subject to considerable wear.
  • a dot matrix print head using a matrix needle print head for the production of a magnetically readable MICR font based on a magnetic ink ribbon for a recording medium, on which printing is carried out by means of printing needles is described in the older priority EP 0452 934 A1.
  • the tips of the printing needles are provided with a bar-shaped, vertically arranged printing surface.
  • the problem of the older proposal of how the individual printing surfaces can hit the recording medium evenly is not solved. For this purpose, only a lateral processing by milling to generate the printing area width is described.
  • a heat-sensitive magnetic transmission element which allows the generation of a printed magnetic image by means of a thermal printing device.
  • the reading is made by a magnetic head.
  • the "printing" takes place by means of a heat-sensitive transfer layer due to a ferromagnetic powder substance, and the ink ribbon or single-use ink ribbon to be used is also described. Further information on the process, the use of a matrix needle printhead and a process for its production are not included.
  • the invention is therefore based on the object of proposing a faster printing process for characters that can be read magnetically (such as, for example, CMC 7 and E13B), but characters that can be read satisfactorily, which also results in advantages for the type of device.
  • the use of a single-use ink ribbon must be taken into account by controlling the ink ribbon appropriately when printing.
  • the recording medium and the single-use ink ribbon can first be stationary and the matrix needle printhead is moved and the ink ribbon is fed during printing breaks or the recording medium and the single-use ink ribbon are moved and the matrix needle printhead stands still.
  • a relative movement between the recording medium and the ribbon is advantageously avoided during printing.
  • the wax-like layer of the ink ribbon is transferred to the recording medium (eg the paper) by heat or shock by the print head. At the point at which a line character is transferred from the single-use ink ribbon to the recording medium, the wax layer on the single-use ink ribbon is completely missing after the transfer.
  • control can also take place in such a way that when the print head and the stationary recording medium are moved, the single-use ink ribbon is moved in sections together with the print head.
  • a simple method of transporting the single-use ink ribbon is that the single-use ink ribbon is moved by the length of the line section to be printed during a print-free back-fitting movement of the matrix needle printhead in the beginning of line position against the advance movement during printing.
  • a better utilization of the single-use ink ribbon is possible by the following control: It is proposed that the single-use ink ribbon be moved within two pauses between two characters in the same direction as the matrix needle printhead, namely by the length between two adjacent characters. Of course, the disposable ink ribbon is not transported while characters are being printed. The used distance of the single-use ink ribbon is transported immediately before the next line is printed, so that a section of unprinted ink ribbon is available for the area to be printed before printing a line.
  • a matrix needle printhead for printing magnetically readable MICR characters, in which magnetically readable color can be transferred from a single-use ink ribbon to a recording medium, serves as the basis for fast printing.
  • the magnetic legibility of the characters is only achieved if the printing needles have a bar-shaped printing surface at their tips, which is perpendicular to the width of the recording medium.
  • the magnetically readable characters can advantageously only be written.
  • the width of the vertical, bar-shaped printing surface is 0.08 to 0.19 mm.
  • a method for producing a matrix needle printhead for printing magnetically readable characters with printing needles guided in a front housing in a guide plate and with electromagnetic coil drives arranged in a rear housing and intermediate layers which can be inserted between the front and rear housings, permits a particularly advantageous design of the required matrix needle printhead .
  • This goal is achieved in that the intermediate layers provided with a recess for the printing needle group are removed, that the printing needles are then grinded in a wedge-shaped or stamp-like manner at their tips in the installed state in the form of a vertical printing surface and that the intermediate layers are then inserted again .
  • the invention is defined in the version of the independent claims 1, 4 and 5 for the contracting states DE, FR, GB and SE.
  • the individual characters are composed of bar sections 10, all of which run in parallel in order to generate corresponding signals when reading, i.e. to be able to generate when scanning.
  • the characters are acc. Fig.2 designed.
  • the magnetically readable font E13B is also described in the ISO 1004-1977 standard.
  • the font is acc.
  • Fig.1 contrasted a CMC 7 font produced on the basis of the invention in the matrix printing process, with practically no deviations being recognizable, with the difference that the characters according to. Fig.3 have been written much faster.
  • the font E13B is drawn on an enlarged scale with reference to Fig. 4, so that the matrix printing process becomes clear and vertical, bar-shaped printing areas 11 can be recognized individually and it also becomes clear how a character is composed, i.e. is formed.
  • 16 to 19 show a matrix needle print head 12 for printing magnetically readable MICR characters (see FIGS. 1 to 4), in which magnetically readable color can be transferred from a single-use ink ribbon 13 to a recording medium 14.
  • a front housing 6 which is spaced apart by spacers 5 from a rear housing 7, pressure needles 15 are guided in a guide plate 14 '.
  • Electromagnetic coil drives 16 are located in the rear housing 7, each of which is assigned to a printing needle 15 and a printing needle 15 drive.
  • an armature 17 is pushed forwards against the force of a return spring 18 by the electromagnetic coil drive 16 and later moved back into the drawn rest position shown by the force of the return spring 18.
  • the printing needles 15 have at their tips 19 a bar-shaped printing surface 1 (FIG. 5) or 2 (FIG. 6) that is perpendicular with respect to the width direction of the recording medium.
  • the width "a" of these vertical printing surfaces 1 and 2 is practically 0.08 to 0.19 mm.
  • Figures 7 to 9 show a printing needle group 20 consisting of a printing needle column 21 (Fig.7) or two printing needle columns 21 (Fig.8).
  • the printing needles 15 in Fig.5 are provided with a concave transition 22 and the printing needles 15 in Fig.6 with a wedge-shaped transition 22.
  • Fig. 7 the bar-shaped pressure surfaces 1, which are perpendicular in their basic form, are shown hatched and in Fig. 9 as well, whereby Fig. 7 shows the pressure surface 1 due to the concave transition 22 and Fig. 9 due to the wedge-shaped transition 22 shows the pressure surfaces 2.
  • Fig. 11 shows the used ink ribbon 13 with the magnetic ink transferred to the recording medium 14, the ink ribbon movement direction 24 pointing to the left and the printing unit or printhead movement direction 25 (Fig. 12) to the right.
  • FIG. 13 shows the interaction between the pressure on the ink ribbon 13 and the pressure on the recording medium 14 in the case of an ink ribbon movement direction 26 opposite to the printing direction 27.
  • Fig.14 is an enlarged section of the ribbon 13 after printing the characters acc. Fig.12 shown, wherein the individual printed, used characters in the ribbon 13 lie close together, so that the ribbon 13 is fully used.
  • the ink ribbon 13 was transported in sections between the printing of adjacent characters in the printing unit or printhead movement direction 25.
  • FIGS. 18 and 19 now show the method for producing a matrix needle printhead 12.
  • the intermediate layers 5 are provided with a recess 29 for the needle group 20.
  • the intermediate layers 5 are removed and the front housing 6 and the rear housing 7 are connected and then, as described, pressure needles 15 can be wedge-shaped or stamp-like in the position of FIG. 18 be ground.
  • the intermediate layers 5 are then reinserted, after which the position of the printing needles 15 according to Fig. 19 is created.
  • the method can also be used if a plurality of pressure needle gaps 21 are present in different guide plates 3 and 4 which can be moved up and down in parallel (see FIGS. 5 and 6).

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Electronic Switches (AREA)
  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
EP91250288A 1990-10-19 1991-10-16 Verfahren zum Drucken magnetisch lesbarer Schriftzeichen und Verwendung eines Matrixdruckkopfes hierfür sowie Verfahren zu dessen Herstellung Expired - Lifetime EP0481579B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4033698 1990-10-19
DE4033698A DE4033698A1 (de) 1990-10-19 1990-10-19 Verfahren zum drucken magnetisch lesbarer schriftzeichen und verwendung eines matrixdruckkopfes hierfuer sowie verfahren zu dessen herstellung

Publications (3)

Publication Number Publication Date
EP0481579A2 EP0481579A2 (de) 1992-04-22
EP0481579A3 EP0481579A3 (en) 1993-01-13
EP0481579B1 true EP0481579B1 (de) 1996-07-31

Family

ID=6416884

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91250288A Expired - Lifetime EP0481579B1 (de) 1990-10-19 1991-10-16 Verfahren zum Drucken magnetisch lesbarer Schriftzeichen und Verwendung eines Matrixdruckkopfes hierfür sowie Verfahren zu dessen Herstellung

Country Status (3)

Country Link
EP (1) EP0481579B1 (enrdf_load_stackoverflow)
AT (1) ATE140898T1 (enrdf_load_stackoverflow)
DE (2) DE4033698A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7682094B2 (en) 2000-09-11 2010-03-23 Zipher Limited Tape drive and printing apparatus
US8317421B2 (en) 2007-03-31 2012-11-27 Videojet Technologies (Nottingham) Limited Tape drive tension control
US8770874B2 (en) 2007-03-07 2014-07-08 Videojet Technologies (Nottingham) Limited Tape drive

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2698319B1 (fr) * 1992-11-24 1997-05-16 Microlys Spa Tete d'impression a impact pour l'impression de caracteres matriciels a barres magnetiques.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213937A1 (de) * 1981-04-21 1982-11-18 Fuji Kagakushi Kogyo Co. Ltd., Osaka Waermeempfindliches magnetisches uebertragungselement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2183367A5 (enrdf_load_stackoverflow) * 1972-05-04 1973-12-14 Sagem
US4157224A (en) * 1977-08-05 1979-06-05 Teletype Corporation Ribbon advancing mechanism
IT1099489B (it) * 1978-09-11 1985-09-18 Honeywell Inf Systems Testina stampante a matrice perfezionata
IT1175588B (it) * 1984-08-10 1987-07-01 Honeywell Inf Systems Testina stampante ad aghi perfezionata per un agevole assemblaggio
IT1240202B (it) * 1990-04-20 1993-11-27 Matrix Srl Testina di stampa ad aghi

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213937A1 (de) * 1981-04-21 1982-11-18 Fuji Kagakushi Kogyo Co. Ltd., Osaka Waermeempfindliches magnetisches uebertragungselement

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8221009B2 (en) 2000-09-11 2012-07-17 Zipher Limited Tape drive and printing apparatus
US8591127B2 (en) 2000-09-11 2013-11-26 Videojet Technologies (Nottingham) Limited Tape drive and printing apparatus
US7748917B2 (en) 2000-09-11 2010-07-06 Zipher Limited Tape drive and printing apparatus
US7753605B2 (en) 2000-09-11 2010-07-13 Zipher Limited Tape drive and printing apparatus
US8007190B2 (en) 2000-09-11 2011-08-30 Zipher Limited Tape drive and printing apparatus
US8096715B2 (en) 2000-09-11 2012-01-17 Zipher Limited Tape drive and printing apparatus
US9233553B2 (en) 2000-09-11 2016-01-12 Videojet Technologies (Nottingham) Limited Tape drive and printing apparatus
US8221010B2 (en) 2000-09-11 2012-07-17 Zipher Limited Tape drive and printing apparatus
US7722268B2 (en) 2000-09-11 2010-05-25 Zipher Limited Tape drive and printing apparatus
US8328441B2 (en) 2000-09-11 2012-12-11 Videojet Technologies (Nottingham) Limited Tape drive and printing apparatus
US7682094B2 (en) 2000-09-11 2010-03-23 Zipher Limited Tape drive and printing apparatus
US8770874B2 (en) 2007-03-07 2014-07-08 Videojet Technologies (Nottingham) Limited Tape drive
US8961045B2 (en) 2007-03-07 2015-02-24 Videojet Technologies (Nottingham) Limited Tape drive
US8317421B2 (en) 2007-03-31 2012-11-27 Videojet Technologies (Nottingham) Limited Tape drive tension control

Also Published As

Publication number Publication date
DE59108047D1 (de) 1996-09-05
DE4033698C2 (enrdf_load_stackoverflow) 1992-09-24
ATE140898T1 (de) 1996-08-15
DE4033698A1 (de) 1992-04-30
EP0481579A2 (de) 1992-04-22
EP0481579A3 (en) 1993-01-13

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