EP0158718B1 - Verfahren zum Steuern der Schreibposition in einer Schreib- oder ähnlichen Maschine für ein automatisches Unterstreichen eines Textabschnittes - Google Patents

Verfahren zum Steuern der Schreibposition in einer Schreib- oder ähnlichen Maschine für ein automatisches Unterstreichen eines Textabschnittes Download PDF

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Publication number
EP0158718B1
EP0158718B1 EP84114548A EP84114548A EP0158718B1 EP 0158718 B1 EP0158718 B1 EP 0158718B1 EP 84114548 A EP84114548 A EP 84114548A EP 84114548 A EP84114548 A EP 84114548A EP 0158718 B1 EP0158718 B1 EP 0158718B1
Authority
EP
European Patent Office
Prior art keywords
stored
register
horizontal position
character
underscore
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
EP84114548A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0158718A3 (en
EP0158718A2 (de
Inventor
Gerhard Dipl.-Ing. Brinkmann
Claus Dipl.-Ing. Bordasch
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.)
Olympia AG
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 EP0158718A2 publication Critical patent/EP0158718A2/de
Publication of EP0158718A3 publication Critical patent/EP0158718A3/de
Application granted granted Critical
Publication of EP0158718B1 publication Critical patent/EP0158718B1/de
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
    • 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

Definitions

  • the invention relates to a method of the type specified in the preamble of claim 1.
  • a requirement for the operation of typewriters or similar machines is to be able to underline defined areas of an entered text without hindering rapid entry of characters, but the underlining of an input text section does not have to be postponed to a later time because the Otherwise the operator would have to make a note of this area, move the printing unit back to the starting position of this area and have to manually enter multiple underlines.
  • Entering the second underline command at the end of the section to be underlined also means that the contents of the memory are searched in the reverse direction until the start code for the underline area is found between the stored characters. Thereafter, each character to the right of this code is automatically underlined until the end code is found in the memory.
  • This solution requires a strict order of the stored characters in the way they appear on paper. The rigidity of such storage is undesirable in many cases, u. a. This is because storage spaces for all spaces, tabs, etc. must then be used.
  • the invention is based on the object of providing a method of the type mentioned for underlining defined text sections in which the writing flow of the operator of a machine equipped therewith is not impeded, but in which no memory built up with fixed position assignments is required.
  • FIG. 1 of a typewriter having the method according to the invention consists only of the elements necessary for understanding the invention. These are 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.
  • the control unit 3, the program memory 4 and the data memory 5 are part of a microprocessor control 7 of the machine, which is why the functions of all the components mentioned below, which are involved in the control, such as. B. counters and registers can basically be implemented by program sequences.
  • the printing unit 2 contains u. a. a platen roller 8, from which a record carrier 9 can be shifted in the vertical direction (arrow direction A, B) in a known manner.
  • 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 by another step-by-step motor 13 (arrow direction C, D).
  • the characters of a text line can thus be printed side by side on the record carrier 9, whereas by shifting the record carrier vertically 9 line switching can be carried out and text lines can be arranged one below the other.
  • the keyboard 1 has various characters Function command keys, of which only one key 17 for entering an underline command, one key 18 for entering an underline end command and one key 19 for entering a command for line switching (possibly in connection with a command for Reset of the printing unit 11 to the left starting position) are shown. All function commands can also be entered in a known manner by operating a code key together with a specific key in the character keypad without special keys having to be provided for this.
  • a query of the keyboard 1 determines whether a key has been pressed and which key it is. If, as shown in FIG. 2, a character key in the character keypad 14 has been actuated, a character code word derived from the key signal and representing the character is stored in the data memory 5 under the control of the control unit 3. The memory location into which the character code word is written has been addressed by an address which is provided in a known manner by an address counter which can be incremented and decremented in the control unit 3. After the character code word has been stored, the address counter is incremented so that the next memory location in the data memory 5 is addressed.
  • the microprocessor control 7 has a step counter 20, the counting function of which is coupled to the step movement of the printing unit 11. For each step that the printing unit 11 or the motor 13 driving the printing unit executes, the step counter reading is incremented (direction of movement D) or decremented (direction of movement C). The step counter 20 thus always reflects the actual position of the printing unit 11 along the writing line.
  • a step of the printing unit 11 or an incrementing or decrementing step of the step counter 20 does not have to correspond to a column step of the font division in the printed text.
  • a column step can also consist of several elementary steps which the motor 13 has to carry out.
  • Such a subdivision is e.g. This is necessary, for example, if the machine is to be able to reproduce text with a proportional character spacing or if the possibility should exist of inserting characters between the column steps.
  • a column step consisting of several elementary steps would be carried out after each character print and the step counter would be increased by a corresponding number of steps. In the following, however, in order not to make the understanding unnecessarily difficult, only one step per character spacing is assumed.
  • the position in the step counter 20 is stored in the next addressed memory location, and the address counter is again incremented.
  • the control unit 3 now outputs the corresponding control signals to the printing unit 11, by means of which the type support 12 is set to the character to be printed, after which the character is printed.
  • a further control information from the control unit 3 to the printing unit 2 now causes the motor 13 to move the printing unit 11 in the direction of the arrow D by one column step.
  • the step counter 20 is incremented so that it indicates the new position of the printing unit 11.
  • the control unit 3 starts a memory search with which the largest position value stored for a character is searched for in the data memory 5. This position value is stored in a second register 22, and the motor 13 is controlled by the control unit 3 to shift the printing unit 11 by one column step in the reverse direction.
  • the pedometer 20 is decremented. A comparison now follows as to whether the pedometer reading corresponds to the position value stored in the first register 21. If no match is found, step switching in the reverse direction, step counter decrementing and comparison are carried out until the two values match.
  • the type carrier 12 is adjusted to the type bearing the underline and the imprint of this type.
  • the motor 13 is actuated in order to shift the printing unit 11 by one step in the writing direction (that is to say forward), and the step counter 20 is incremented again.
  • the step counter reading is compared with the position value in the second register 22. Unless practice is determined in agreement, the underline is printed again, a step in the writing direction is carried out and the pedometer 20 is incremented. This process is repeated until the pedometer reading matches the position value stored in the second register 22.
  • the result of this positive comparison result is that the control causes the printing unit 2 to shift the printing unit 11 by a further column step in the writing direction, but no longer prints the type.
  • the step counter 20 is incremented and the printing unit is now in the next blank column position after the underlined text section.
  • the printing unit 11 is first shifted to the left position of an area to be underlined and the underlining is then carried out with a movement to the right, it is readily apparent that the underlining also progresses to the left starting with the position value in the second register 22 and after its completion the printing unit 11 can then be adjusted to the right to the first free position behind the underlining area.
  • the characters are also printed by the printing unit 11 on the recording medium 9 immediately when characters are entered. Without changing the invention, however, it is also possible to make the entry without immediate expression only in the data memory 5, whereby control over a display device can be provided if necessary.
  • the step counter 20 then does not designate the current position of the printing unit 11, rather it counts the writing positions of the characters entered one after the other in the way they would be assumed by the printing unit 11 if they were printed out at the same time.
  • the underlining process described would then be carried out internally by the control unit 3 in the data memory 5, so that when the text was subsequently written out, the printing unit 11 would carry out the movement sequence described.

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Record Information Processing For Printing (AREA)
EP84114548A 1984-03-30 1984-11-30 Verfahren zum Steuern der Schreibposition in einer Schreib- oder ähnlichen Maschine für ein automatisches Unterstreichen eines Textabschnittes Expired EP0158718B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3411849 1984-03-30
DE19843411849 DE3411849A1 (de) 1984-03-30 1984-03-30 Verfahren zum steuern der schreibposition in einer schreib- oder aehnlichen maschine fuer ein automatisches unterstreichen eines textabschnittes

Publications (3)

Publication Number Publication Date
EP0158718A2 EP0158718A2 (de) 1985-10-23
EP0158718A3 EP0158718A3 (en) 1988-01-07
EP0158718B1 true EP0158718B1 (de) 1989-11-15

Family

ID=6232120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84114548A Expired EP0158718B1 (de) 1984-03-30 1984-11-30 Verfahren zum Steuern der Schreibposition in einer Schreib- oder ähnlichen Maschine für ein automatisches Unterstreichen eines Textabschnittes

Country Status (4)

Country Link
US (1) US4629341A (xx)
EP (1) EP0158718B1 (xx)
JP (1) JPS612587A (xx)
DE (2) DE3411849A1 (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202877A (ja) * 1985-03-05 1986-09-08 Canon Inc 出力方法
DE3545916A1 (de) * 1985-12-23 1987-07-02 Olympia Ag Verfahren zum automatischen unterstreichen eines abschnittes eines textes in prozessorgesteuerten schreib- oder bueromaschinen aehnlicher bauart
US4818130A (en) * 1986-11-19 1989-04-04 Brother Kogyo Kabushiki Kaisha Character erasable printing apparatus including selective erasing of variable length underline
JPS63252773A (ja) * 1987-04-09 1988-10-19 Brother Ind Ltd 文書作成装置
DE3729097A1 (de) * 1987-09-01 1989-03-09 Olympia Aeg Verfahren zum einstellen der betriebsparameter in einer mikroprozessorgesteuerten schreib- oder einer sonstigen bueromaschine
DE4009137A1 (de) * 1989-03-23 1990-09-27 Siemens Ag Steuervorrichtung fuer einen schreibkopf zum aufbringen von beschriftungen
CN113435166B (zh) * 2021-06-09 2024-03-19 深圳市世强元件网络有限公司 一种加下划线方法和系统、计算机装置、可读存储介质

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4392758A (en) * 1978-05-22 1983-07-12 International Business Machines Corporation Underscore erase
DE3108689A1 (de) * 1981-03-07 1982-09-23 Olympia Werke Ag, 2940 Wilhelmshaven Verfahren zum positionieren des druckwerkes einer schreib- oder aehnlichen maschine

Also Published As

Publication number Publication date
US4629341A (en) 1986-12-16
EP0158718A3 (en) 1988-01-07
DE3411849A1 (de) 1985-10-10
DE3480468D1 (en) 1989-12-21
EP0158718A2 (de) 1985-10-23
DE3411849C2 (xx) 1990-04-26
JPS612587A (ja) 1986-01-08

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