EP0158719B1 - Méthode pour la remise en position de départ de l'élément imprimeur d'une machine à écrire ou similaire - Google Patents

Méthode pour la remise en position de départ de l'élément imprimeur d'une machine à écrire ou similaire Download PDF

Info

Publication number
EP0158719B1
EP0158719B1 EP84114549A EP84114549A EP0158719B1 EP 0158719 B1 EP0158719 B1 EP 0158719B1 EP 84114549 A EP84114549 A EP 84114549A EP 84114549 A EP84114549 A EP 84114549A EP 0158719 B1 EP0158719 B1 EP 0158719B1
Authority
EP
European Patent Office
Prior art keywords
printing mechanism
stored
recording medium
steps
displacement
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
Application number
EP84114549A
Other languages
German (de)
English (en)
Other versions
EP0158719A2 (fr
EP0158719A3 (en
Inventor
Gerhard Dipl.-Ing. Brinkmann
Bolko Dipl.-Ing. Wietrzynski
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.)
AEG Olympia Office GmbH
Original Assignee
AEG Olympia AG
AEG Olympia Office GmbH
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 AEG Olympia AG, AEG Olympia Office GmbH filed Critical AEG Olympia AG
Publication of EP0158719A2 publication Critical patent/EP0158719A2/fr
Publication of EP0158719A3 publication Critical patent/EP0158719A3/de
Application granted granted Critical
Publication of EP0158719B1 publication Critical patent/EP0158719B1/fr
Expired 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
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/30—Character or syllable selection controlled by recorded information
    • B41J5/44—Character or syllable selection controlled by recorded information characterised by storage of recorded information
    • 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
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B41J19/60—Auxiliary feed or adjustment devices
    • B41J19/62—Auxiliary feed or adjustment devices for back spacing
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/26—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling
    • B41J29/36—Devices, non-fluid media or methods for cancelling, correcting errors, underscoring or ruling for cancelling or correcting errors by overprinting
    • 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
    • B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/42—Scales and indicators, e.g. for determining side margins

Definitions

  • the invention relates to a method of the type specified in the preamble of claim 1.
  • a difficulty in the operation of typewriters or similar machines lies in the fact that after a shift to a character that has already been printed out, for example for the purpose of a correction, the printing unit has to be reset to the end of the text that has already been written, to continue typing.
  • the operator was forced to carry out these resets by triggering the step switching manually accordingly and additionally to check the exact taking of the end position.
  • corrections are made relatively frequently in the text already written, so that manual resetting requires a noticeable time requirement.
  • This known device is limited to automatically resetting the printing unit when moving along the last line written. It is helpful in all cases in which the operator becomes aware of a short time after entering or printing an error and immediately corrects it.
  • GB-A 2 092 790 also discloses a method for resetting the printing unit of a processor-controlled typewriter or similar machine to the end of a text already printed on a clamped recording medium by triggering an automatic reset function after a previous setting of the printing unit to another position , the current horizontal position of the printing unit and the last character of the printed text are stored, which provides for a reset both in the last written and from the penultimate line.
  • the object of the invention is to eliminate the restrictions on automatic resetting after printing unit displacements given by the solutions from the known prior art.
  • FIG. 1 The block diagram of a typewriter according to the invention shown in FIG. 1 only has the elements necessary for understanding the invention, namely a keyboard 1, a printing unit 2 and a control unit 3 with a program memory 4 and a data memory 5, which are connected to one another via a collecting line 6.
  • Control unit 3, program memory 4 and data memory 5 are part of a microprocessor control 7 of the machine, which is why all of the components mentioned below, which participate in the control, such as. B. counters and comparators, can basically be replaced by program routines.
  • the printing unit 2 has u. a. a platen roller 8, from which a recording medium 9 can be shifted in a known manner step by step in the vertical direction upwards (arrow direction A) or downwards (arrow direction 8).
  • a step-by-step motor 10 serves as the drive for this purpose.
  • a printing unit 11, which has a rotatable type plate 12 as the type carrier, can be moved horizontally in the direction of arrows C and D by a further step-by-step motor 13.
  • the characters of a text line can thus be printed side by side on the recording medium 9 by horizontal displacement of the printing unit and the respective setting of the type plate 12 on the character to be printed, while text lines can be arranged one below the other by vertical 'displacement of the recording medium 9.
  • the keyboard 1 has various function command keys, of which only one key 15 for the upward movement of the record carrier 9, one key 16 for the downward shift of the record carrier 9, one Key 17 for the left shift of the printing unit 11, a key 18 for the right shift of the printing unit 11 and a key 19 for triggering a reset function of the printing unit 11 are shown.
  • a keyboard query carried out in rapid succession determines which of the keys on the keyboard 1 has been pressed. If, for example, the command key 15 has been actuated, the key code derived therefrom causes the number of steps to be carried out in the processor controller 7 of the machine - depending on the frequency of the key actuation or the basic number of steps on which a feed step of the recording medium is based - in a vertical counter 20 with a positive number Sign is added to a possibly already existing value and saved.
  • the motor 10 which can be controlled step by step, is actuated, which moves the recording medium 9 in the direction of the arrow A, that is to say upwards, with the commanded number of steps.
  • the command key 16 has been actuated, its key code causes the controller 7 to add the commanded number of steps with a negative sign in the vertical counter 20 and to drive the motor 10 to shift the recording medium 9 in the direction of arrow 8 by this number of steps.
  • the vertical counter 20 therefore always contains the number of steps by which the record carrier 9 is displaced in the vertical direction with respect to the printing unit 11. The sign of the counter content indicates the direction of movement.
  • a query of the vertical counter 20 is carried out in the controller 7 as to whether a value contained therein has a positive sign.
  • the vertical counter 20 will not contain a negative value and only a positive value after a line connection. If such a positive value is determined, the vertical counter 20 is set to zero. However, if the record carrier 9 has been moved downward by previously pressing the key 16 so that the printing unit is above the last print line, the vertical counter 20 contains a value with a negative sign. This value is not deleted when a character key is pressed.
  • the control 7 causes the type plate 12 to be rotated into the printing position with the character corresponding to the actuated character key.
  • the sign is then printed in a known manner.
  • the character code of the cut character is also stored in the data memory 5 and, in association with it, in a further memory location the horizontal position of the character taken from a horizontal counter 21. Now the motor 13 is shifted to the right to shift the printing unit 11 by one column position into the next impression point and the horizontal counter 21 is increased by one step - or a corresponding number of elementary steps.
  • the horizontal counter 21 which is provided to count each step movement of the printing unit 11 from the beginning of the line - depending on the direction of movement by adding or subtracting the corresponding number of steps - thus always has information about the current position of the printing unit.
  • Is z. B. operated the command key 17 the printing unit 11 is shifted one column step in the direction of arrow C to the left, and the content of the horizontal counter 21 is reduced by one step.
  • actuation of the command key 18 has the result that the printing unit 11 is shifted to the right by one column in the direction of the arrow D and the content of the horizontal counter 21 is increased by one step.
  • the record carrier 9 has been shifted vertically downwards for the purpose of a correction by a certain number of steps in the direction of the arrow B and the printing unit 11 has been moved horizontally to the left by a few steps in the direction of the arrow C.
  • the operator has made the desired correction and now presses the command key 19 to reset the printing unit 11.
  • the control determines whether the vertical counter 20 set with the number of steps during the vertical displacement of the recording medium 9 has a value with a negative sign. In the affirmative, the motor 10 is actuated for the upward displacement of the recording medium 9 in the direction of the arrow A with simultaneous addition of the steps to the counter content until the vertical counter 20 has reached the value zero.
  • the printing unit 11 then faces the unlabelled recording medium 9 below the already printed text, and the vertical counter 20 contains the number of steps carried out with a positive sign. If the reset command key 19 is now actuated before a character key has been actuated, a check of the vertical counter 1 reveals that there is a positive value.
  • the motor 10 is then driven to carry out a displacement movement of the recording medium 9 in the direction of the arrow B until the content of the vertical counter 20 which has been reduced to a corresponding extent reaches zero.
  • the printing unit 11 is then reset to the last printed line, and any necessary reset in the horizontal direction takes place in the manner already described above.

Landscapes

  • Record Information Processing For Printing (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)

Claims (3)

1. Procédé de rappel du mécanisme d'impression d'une machine à écrire ou similaire, commandée par processeur, à la fin d'un texte déjà imprimé sur un support d'impression mis en place dans la machine, au moyen du déclenchement d'une fonction de rappel, après un réglage préalable du mécanisme d'impression sur une autre position, la position horizontale instantanée du mécanisme d'impression et celle du dernier signe du texte imprimé étant mises en mémoire, procédé caractérisé en ce que les pas d'un déplacement vertical du support (9) d'impression sont additionnés avec un signe positif ou négatif en fonction du sens de déplacement ("A", "B"), et mis en mémoire, en ce que, lors du déclenchement de l'impression d'un signe, le nombre de pas mis en mémoire que comporte un déplacement vers le haut ("A") du support (9) d'impression est effacé, mais que le nombre de pas mis en mémoire que comporte un déplacement vers le bas ("B") est conservé en ce que, lors du déclenchement d'une fonction de rappel, le nombre de pas mis en mémoire est exploité en fonction du signe de sens en vue de la commande d'un déplacement du support (9) d'impression sur la dernière ligne d'impression, et en ce que la différence entre la position horizontale du mécanisme (11) d'impression, mise en mémoire et celle du dernier signe est établie et exploitée en vue de la commande du déplacement du mécanisme 11 d'impression jusqu'à la position d'impression libre suivante située après le dernier signe.
2. Procédé selon la revendication 1, caractérisé en ce que les signes introduits sont mis en mémoire dans l'ordre de leur introduction et en relation avec leur position horizontale sur le support (9) d'impression dans une mémoire (5) à plusieurs cases.
3. Procédé selon la revendication 2, caractérisé en ce que lors du déclenchement d'une fonction de rappel, on effectue d'abord un rappel vertical jusqu'à la dernière ligne, puis à la suite de cela, on établit au cours d'une opération de recherche dans la mémoire (5) à plusieurs cases quelle est la position horizontale enregistrée la plus avancée et en ce qu'on la lit et l'extrait en vue du calcul de la différence avec la position horizontale du mécanisme (11) d'impression.
EP84114549A 1984-03-22 1984-11-30 Méthode pour la remise en position de départ de l'élément imprimeur d'une machine à écrire ou similaire Expired EP0158719B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3410505 1984-03-22
DE19843410505 DE3410505A1 (de) 1984-03-22 1984-03-22 Verfahren zum rueckstellen des druckwerkes einer schreib- oder aehnlichen maschine auf eine ausgangsposition

Publications (3)

Publication Number Publication Date
EP0158719A2 EP0158719A2 (fr) 1985-10-23
EP0158719A3 EP0158719A3 (en) 1988-05-11
EP0158719B1 true EP0158719B1 (fr) 1989-11-15

Family

ID=6231263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84114549A Expired EP0158719B1 (fr) 1984-03-22 1984-11-30 Méthode pour la remise en position de départ de l'élément imprimeur d'une machine à écrire ou similaire

Country Status (4)

Country Link
US (1) US4618275A (fr)
EP (1) EP0158719B1 (fr)
JP (1) JPS612586A (fr)
DE (2) DE3410505A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62193870A (ja) * 1986-02-20 1987-08-26 Brother Ind Ltd 電子タイプライタ
JPS62218167A (ja) * 1986-03-19 1987-09-25 Brother Ind Ltd 印字装置
GB2202353B (en) * 1987-03-11 1991-07-03 Oki Electric Ind Co Ltd Inputting format into a printer
JPH01118457A (ja) * 1987-08-05 1989-05-10 Yokogawa Hewlett Packard Ltd プリント制御方式
DE3729097A1 (de) * 1987-09-01 1989-03-09 Olympia Aeg Verfahren zum einstellen der betriebsparameter in einer mikroprozessorgesteuerten schreib- oder einer sonstigen bueromaschine
US4789257A (en) * 1987-09-25 1988-12-06 International Business Machines Corporation Line find feature for an electronic typewriter
US5116150A (en) * 1991-01-09 1992-05-26 Apple Computer, Inc. Apparatus and method for mapping and aligning digital images onto printed media
JP3182802B2 (ja) * 1991-07-25 2001-07-03 ブラザー工業株式会社 印字装置の用紙端検知装置
JPH10193658A (ja) * 1996-11-14 1998-07-28 Sanyo Electric Co Ltd 分割シール記録紙を用いる印写方法および印写装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252451A (en) * 1978-05-22 1981-02-24 International Business Machines Corporation Print point reposition feature for an electronic typewriter
IT1117610B (it) * 1979-02-09 1986-02-17 Olivetti & Co Spa Macchina per scrivere elettronica con dispositivo di posizionamento dell'organo di scrittura
JPS5787980A (en) * 1980-11-25 1982-06-01 Canon Inc Typing machine
JPS5776631A (en) * 1980-10-31 1982-05-13 Canon Inc Electronic equipment
JPS5948173A (ja) * 1982-09-13 1984-03-19 Sharp Corp 自動訂正機能を備えた電子式タイプライタ
JPS5948170A (ja) * 1982-09-13 1984-03-19 Sharp Corp 自動訂正機能を備えた電子式タイプライタ

Also Published As

Publication number Publication date
EP0158719A2 (fr) 1985-10-23
EP0158719A3 (en) 1988-05-11
US4618275A (en) 1986-10-21
JPS612586A (ja) 1986-01-08
DE3410505A1 (de) 1985-09-26
DE3480469D1 (en) 1989-12-21

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