EP0308813B1 - Device for displaying characters - Google Patents
Device for displaying characters Download PDFInfo
- Publication number
- EP0308813B1 EP0308813B1 EP88115110A EP88115110A EP0308813B1 EP 0308813 B1 EP0308813 B1 EP 0308813B1 EP 88115110 A EP88115110 A EP 88115110A EP 88115110 A EP88115110 A EP 88115110A EP 0308813 B1 EP0308813 B1 EP 0308813B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- dot matrix
- matrix field
- display
- field
- displayed
- 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
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control 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
- 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 being driven.
- the eight basic patterns are provided with the letters A to H as reference symbols.
- 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.
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- 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)
Abstract
Description
Die Erfindung bezieht sich auf eine Einrichtung zur Anzeige von Zeichen, bei der die anzuzeigenden Zeichen durch Hervorheben von den jeweiligen Zeichen zugeordneten Punkten einer in einzelne Punktmatrixfelder aufgeteilten zweizeiligen Punktmatrixanzeige gebildet werden.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.
Insbesondere aus dem Einsatz bei programmierbaren Taschenrechnern sind Punktmatrixanzeigen bekannt, bei denen sich durch Hervorhebung einzelner Punkte Zeichen darstellen lassen. Sollen alphanumerische Zeichen dargestellt werden, wird üblicherweise für jedes darzustellende Zeichen ein aus 35 Punkten bestehendes Feld verwendet, das jeweils fünf Punkte breit und sieben Punkte hoch ist. Bei Punktmatrixanzeigen, die die Darstellung von Zeichen in mindestens zwei Zeilen übereinander erlauben, sind zwei verschiedene Ausführungsformen bekannt.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.
Die sogenannten grafikfähigen Punktmatrixanzeigen erlauben die Hervorhebung jedes gewünschten Punktes des Anzeigefeldes durch gleichzeitige Aussteuerung der zugehörigen Spalte und Zeile. Die Zeichen können daher an jeder beliebigen Stelle der Punktmatrixanzeige dargestellt werden.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.
Wesentlich billiger als die grafikfähigen Punktmatrixanzeigen sind jedoch mehrzeilige Punktmatrixanzeigen, bei denen das Anzeigefeld bereits in einzelne Punktmatrixfelder aufgeteilt ist, die z. B. in zwei oder mehr Zeilen mit je 20 Punktmatrixfeldern angeordnet sind. Zweizeilige Punktmatrixanzeigen mit 20 Punktmatrixfeldern je Zeile werden z. B. von der Firma Hitachi unter der Bezeichnung LMO32L hergestellt. Die Punktmatrixanzeige ist mit einem vorgeschalteten Steuerbaustein zu einem Anzeigemodul zusammengefaßt. Das Anzeigemodul wird von einem Mikroprozessor angesteuert, der über elf Leitungen mit dem Eingang des Steuerbausteins des Anzeigemoduls verbunden ist. Über drei von diesen Leitungen werden dem Anzeigemodul Steuersignale zugeführt, während die restlichen acht Leitungen als Datenbus dienen, über den maximal 2⁸ = 256 verschiedene Zeichen ansteuerbar sind. Durch die Kombination einzelner Punkte eines Punktmatrixfeldes können Zeichen in Form von Buchstaben, Ziffern oder Symbolen dargestellt werden. Die Punktkombinationen von 240 Zeichen sind in dem Steuerbaustein des Anzeigemoduls in einem ersten Speicher fest gespeichert. Bei diesen Zeichen handelt es sich um Buchstaben, Ziffern und eine Reihe von Symbolen. Diese Zeichen können von dem Anwender nicht verändert werden. Die einzelnen Punktmatrixfelder der Punktmatrixanzeige sind als "5 x 8"-Matrix ausgestaltet. Von den acht Zeilen dieser Matrix werden für die Darstellung von Buchstaben und Ziffern in der Regel nur die oberen sieben Zeilen verwendet.However, 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. The display module is controlled by a microprocessor which is connected to the input of the control module of the display module via eleven lines. Control signals are fed to the display module via three of these lines, while the remaining eight lines serve as a data bus, via which a maximum of 2⁸ = 256 different characters can be controlled. By combining individual points of a point matrix field, 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.
Bei der Verwendung von Punktmatrixanzeigen in mikroprozessorgesteuerten Meßgeräten besteht die Aufgabe, einerseits möglichst viele Zeichen gleichzeitig anzuzeigen, z. B. für eine Bedienerführung bei der Konfigurierung des Gerätes, und andererseits im eigentlichen Meßbetrieb das Ergebnis in möglichst großen Ziffern anzuzeigen, die auch aus einer größeren Entfernung noch gut erkennbar sind. Die sich hierfür anbietende Verwendung von grafikfähigen Punktmatrixanzeigen kommt aus Kostengründen jedoch nicht in Frage.When using dot matrix displays in microprocessor-controlled measuring devices, the task is to display as many characters as possible on the one hand, e.g. B. for operator guidance in the configuration of the device, and on the other hand, to display the result in the largest possible digits in the actual measuring operation, which are still clearly recognizable even from a greater distance. However, the use of graphic-capable dot matrix displays that are suitable for this is out of the question for cost reasons.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Einrichtung der eingangs genannten Art zu schaffen, die in der Lage ist, Ziffern anzuzeigen, deren Höhe größer als die Höhe eines Punktmatrixfeldes ist.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.
Diese Aufgabe wird erfindungsgemäß durch die im Anspruch 1 gekennzeichneten Merkmale gelöst. Zusätzlich zu den Ziffern, aus denen der Zahlenwert des Meßergebnisses zusammengesetzt ist, können mit Zeichen aus dem vorgegebenen Zeichensatz auch Informationen über die Maßeinheit des Meßergebnisses oder über die angewählte Meßstelle angezeigt werden.This object is achieved by the features characterized in claim 1. In addition to the digits that make up the numerical value of the measurement result, 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.
Vorteilhafte Ausgestaltungen der Einrichtung nach dem Anspruch 1 sind in den Ansprüchen 2 und 3 gekennzeichnet.Advantageous embodiments of the device according to claim 1 are characterized in claims 2 and 3.
Die Erfindung wird im folgenden anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels beschrieben. Es zeigt
- Figur 1
- die acht Grundmuster, die zur Anzeige der Ziffern 0 bis 9 dienen,
- Figur 2
- einen Ausschnitt aus einer zweizeiligen Punktmatrixanzeige,
- Figur 3
- einen Ausschnitt aus einer zweizeiligen Punktmatrixanzeige, bei der die nicht angesteuerten Punkte nicht dargestellt sind, und
- Figur 4
- die Ziffern 0 bis 9 unter Verwendung der in der Figur 1 dargestellten Grundmuster.
- Figure 1
- the eight basic patterns used to display the digits 0 to 9,
- Figure 2
- a section of a two-line dot matrix display,
- Figure 3
- a section of a two-line dot matrix display, in which the uncontrolled points are not shown, and
- Figure 4
- the numbers 0 to 9 using the basic pattern shown in Figure 1.
Die Figur 1 zeigt acht Grundmuster, die gemäß der Erfindung zur Darstellung der Ziffern 0 bis 9 dienen. Die einzelnen Punkte, die die Punktmatrixfelder bilden, sind als Rechteck dargestellt, wobei die den jeweils angesteuerten Punkten entsprechenden Rechtecke mit dunkler Farbe ausgefüllt sind während die den nicht angesteuerten Punkten entsprechenden Rechtecke nicht ausgefüllt sind. Obwohl diese Darstellung den Gesamteindruck der Zeichen etwas verfälscht, wurde sie in den Figuren 1 und 2 gewählt, um die Lage der einzelnen angesteuerten Punkt zu verdeutlichen. Die acht Grundmuster sind mit den Buchstaben A bis H als Bezugszeichen versehen.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 being driven. The eight basic patterns are provided with the letters A to H as reference symbols.
Die Figur 2 zeigt als Ausschnitt aus einer zweizeiligen Punktmatrixanzeige die aus den in der Figur 1 dargestellten Grundmustern zusammengesetzte Ziffer "8". Die Ziffer "8" ist aus den Grundmustern B, C, G und H zusammengesetzt. In der oberen Zeile ist zum Vergleich links neben der aus den Grundmustern zusammengesetzten Ziffer "8" die Ziffer "8" aus dem fest vorgegebenen Zeichenvorrat des Anzeigemoduls dargestellt. In der unteren Zeile ist rechts neben der aus den Grundmustern zusammengesetzten Ziffer "8" der Buchstabe "A" aus dem fest vorgegebenen Zeichenvorrat dargestellt, um zu zeigen, wie auf einfache Weise die Maßeinheit zusammen mit dem Zahlenwert angezeigt werden kann.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. In the top line, for comparison, 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. In the lower line to the right of the number "8" made up of the basic patterns, 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.
Die Figur 3 zeigt den gleichen Ausschnitt aus einer zweizeiligen Punktmatrixanzeige wie die Figur 2. Jedoch sind in der Figur 3 nur noch die angesteuerten Punkte dargestellt. Diese Darstellungsweise entspricht besser dem Gesamteindruck, den der Betrachter einer Punktmatrixanzeige hat, als die in der Figur 2 gewählte Darstellungsweise.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.
Die Figur 4 zeigt die Ziffern "0" bis "9" unter Verwendung der in der Figur 1 dargestellten Grundmuster. Wie in der Figur 3 sind nur noch die angesteuerten Punkte dargestellt.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.
Claims (3)
- Device for displaying characters, in which the characters to be displayed are formed by highlighting the dots allocated to each respective character of a two-line dot matrix display divided into individual dot matrix fields, characterized in that to display figures, the height of which is double the height of a dot matrix field, each figure is composed of bar-shaped basic patterns such that the basic patterns displayed in adjacent dot matrix fields form the figure to be displayed in the manner of a 7-segment display,- the upper horizontal segment of a character being formed by the two top rows of a dot matrix field of the top line,- the middle horizontal segment of a character being formed by the bottom row of a dot matrix field of the top line and by the top row of the dot matrix field of the bottom line lying beneath it,- the lower horizontal segment of a character being formed by the two bottom rows of a dot matrix field of the bottom line,- a left vertical segment of a character being formed by the three right columns of a dot matrix field,- a right vertical segment of a character being formed by the three left columns of a dot matrix field.
- Device according to claim 1, characterized in that the inner column - relative to the dot matrix field - of a vertical segment is shortened by one dot respectively in the top and bottom row of the dot matrix field.
- Device according to claim 1 or 2, characterized in that to display the figures the following eight basic patterns are used:a) the two top rows of a dot matrix field,b) the two top rows and the bottom row of a dot matrix field,c) the top and the two bottom rows of a dot matrix field,d) the two bottom rows of a dot matrix field,e) the bottom row of a dot matrix field,f) the top row of a dot matrix field,g) the three right columns of a dot matrix field,h) the three left columns of a dot matrix field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT88115110T ATE81917T1 (en) | 1987-09-23 | 1988-09-15 | DEVICE FOR DISPLAYING CHARACTERS. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873731933 DE3731933A1 (en) | 1987-09-23 | 1987-09-23 | DEVICE FOR DISPLAYING SIGNS |
| DE3731933 | 1987-09-23 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0308813A2 EP0308813A2 (en) | 1989-03-29 |
| EP0308813A3 EP0308813A3 (en) | 1989-11-23 |
| EP0308813B1 true EP0308813B1 (en) | 1992-10-28 |
Family
ID=6336621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP88115110A Expired - Lifetime EP0308813B1 (en) | 1987-09-23 | 1988-09-15 | Device for displaying characters |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0308813B1 (en) |
| AT (1) | ATE81917T1 (en) |
| DE (2) | DE3731933A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9113889U1 (en) * | 1991-11-08 | 1992-01-16 | Leybold Ag, 63450 Hanau | Display for measuring devices or similar |
| DE102006048143A1 (en) * | 2006-10-10 | 2008-04-17 | Endress + Hauser Wetzer Gmbh + Co. Kg | Data e.g. density, representation device for use in measuring device, has spacer sensor producing sensor signal by monitoring distance between display unit and object, and control unit controlling appearance of display unit based on signal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4947298B1 (en) * | 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 |
-
1987
- 1987-09-23 DE DE19873731933 patent/DE3731933A1/en active Granted
-
1988
- 1988-09-15 DE DE8888115110T patent/DE3875573D1/en not_active Expired - Fee Related
- 1988-09-15 EP EP88115110A patent/EP0308813B1/en not_active Expired - Lifetime
- 1988-09-15 AT AT88115110T patent/ATE81917T1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3875573D1 (en) | 1992-12-03 |
| DE3731933C2 (en) | 1990-05-10 |
| ATE81917T1 (en) | 1992-11-15 |
| EP0308813A3 (en) | 1989-11-23 |
| EP0308813A2 (en) | 1989-03-29 |
| DE3731933A1 (en) | 1989-04-06 |
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