EP0308813A2 - Dispositif d'affichage de caractères - Google Patents

Dispositif d'affichage de caractères Download PDF

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Publication number
EP0308813A2
EP0308813A2 EP88115110A EP88115110A EP0308813A2 EP 0308813 A2 EP0308813 A2 EP 0308813A2 EP 88115110 A EP88115110 A EP 88115110A EP 88115110 A EP88115110 A EP 88115110A EP 0308813 A2 EP0308813 A2 EP 0308813A2
Authority
EP
European Patent Office
Prior art keywords
dot matrix
matrix field
display
field
line
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
EP88115110A
Other languages
German (de)
English (en)
Other versions
EP0308813A3 (en
EP0308813B1 (fr
Inventor
Peter Hübschmann
Eginhard Müller
Werner Rüdiger
Hans Wleklinski
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.)
ABB Training Center GmbH and Co KG
Original Assignee
Hartmann and Braun AG
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 Hartmann and Braun AG filed Critical Hartmann and Braun AG
Priority to AT88115110T priority Critical patent/ATE81917T1/de
Publication of EP0308813A2 publication Critical patent/EP0308813A2/fr
Publication of EP0308813A3 publication Critical patent/EP0308813A3/de
Application granted granted Critical
Publication of EP0308813B1 publication Critical patent/EP0308813B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions

Definitions

  • the invention relates to a device for displaying characters, in which the characters to be displayed are formed by highlighting the points assigned to the respective characters of a two-line dot matrix display divided into individual dot matrix fields.
  • Dot matrix displays in which characters can be displayed by highlighting individual dots are known, in particular, from use in programmable calculators. If alphanumeric characters are to be displayed, a field consisting of 35 points, which is five points wide and seven points high, is usually used for each character to be displayed. In the case of dot matrix displays which allow the display of characters in at least two lines one above the other, two different embodiments are known.
  • the so-called graphic-capable dot matrix displays allow the highlighting of any desired point in the display field by simultaneously controlling the associated column and row.
  • the characters can therefore be displayed anywhere on the dot matrix display.
  • multi-line dot matrix displays in which the display field is already divided into individual dot matrix fields, are considerably cheaper than the graphic-capable dot matrix displays, the z. B. are arranged in two or more rows, each with 20 dot matrix fields.
  • Two-line dot matrix displays with 20 dot matrix fields per line are e.g. B. manufactured by Hitachi under the name LMO32L.
  • the dot matrix display is combined with an upstream control module to form a display module.
  • characters can be represented in the form of letters, numbers or symbols.
  • the point combinations of 240 characters are permanently stored in a first memory in the control module of the display module. These characters are letters, numbers, and a series of symbols. These characters cannot be changed by the user.
  • the individual dot matrix fields of the dot matrix display are designed as a "5 x 8" matrix. Of the eight lines in this matrix, only the top seven lines are generally used to represent letters and numbers.
  • the invention is therefore based on the object of providing a device of the type mentioned at the outset which is capable of displaying digits whose height is greater than the height of a dot matrix field.
  • characters from the specified character set can also be used to display information about the unit of measurement of the measurement result or about the selected measuring point.
  • FIG. 1 shows eight basic patterns which, according to the invention, serve to represent the numbers 0 to 9.
  • the individual dots that form the dot matrix fields are shown as a rectangle, the rectangles corresponding to the respectively activated points being filled with dark color, while the rectangles corresponding to the non-activated points are not filled are. Although this representation somewhat falsifies the overall impression of the characters, it was chosen in FIGS. 1 and 2 in order to clarify the position of the individual point addressed.
  • the eight basic patterns are provided with the letters A to H as reference symbols.
  • FIG. 2 shows a section of a two-line dot matrix display with the number “8” composed of the basic patterns shown in FIG. 1.
  • the number “8” is composed of the basic patterns B, C, G and H.
  • the number “8” from the fixed set of characters of the display module is shown to the left of the number "8” composed of the basic samples.
  • the letter "A" from the fixed set of characters is shown to show how the unit of measurement can be displayed in a simple way together with the numerical value.
  • FIG. 3 shows the same section from a two-line dot matrix display as FIG. 2. However, only the activated points are shown in FIG. 3. This method of representation corresponds better to the overall impression that the viewer of a dot matrix display has than the method of representation chosen in FIG. 2.
  • FIG. 4 shows the numbers “0” to “9” using the basic pattern shown in FIG. 1. As in FIG. 3, only the activated points are shown.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Traffic Control Systems (AREA)
EP88115110A 1987-09-23 1988-09-15 Dispositif d'affichage de caractères Expired - Lifetime EP0308813B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88115110T ATE81917T1 (de) 1987-09-23 1988-09-15 Einrichtung zur anzeige von zeichen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3731933 1987-09-23
DE19873731933 DE3731933A1 (de) 1987-09-23 1987-09-23 Einrichtung zur anzeige von zeichen

Publications (3)

Publication Number Publication Date
EP0308813A2 true EP0308813A2 (fr) 1989-03-29
EP0308813A3 EP0308813A3 (en) 1989-11-23
EP0308813B1 EP0308813B1 (fr) 1992-10-28

Family

ID=6336621

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88115110A Expired - Lifetime EP0308813B1 (fr) 1987-09-23 1988-09-15 Dispositif d'affichage de caractères

Country Status (3)

Country Link
EP (1) EP0308813B1 (fr)
AT (1) ATE81917T1 (fr)
DE (2) DE3731933A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006048143A1 (de) * 2006-10-10 2008-04-17 Endress + Hauser Wetzer Gmbh + Co. Kg Vorrichtung zur Darstellung von Daten

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9113889U1 (de) * 1991-11-08 1992-01-16 Leybold Ag, 63450 Hanau Display für Meßgeräte o.dgl.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4947298B1 (fr) * 1969-11-22 1974-12-14
GB2002160A (en) * 1977-08-08 1979-02-14 Fairchild Camera Instr Co An alphanumeric display for displaying days of the week

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006048143A1 (de) * 2006-10-10 2008-04-17 Endress + Hauser Wetzer Gmbh + Co. Kg Vorrichtung zur Darstellung von Daten

Also Published As

Publication number Publication date
DE3875573D1 (de) 1992-12-03
DE3731933C2 (fr) 1990-05-10
EP0308813A3 (en) 1989-11-23
EP0308813B1 (fr) 1992-10-28
DE3731933A1 (de) 1989-04-06
ATE81917T1 (de) 1992-11-15

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