DE102018100389A1 - Display unit, display device and learning system each for displaying numerals and corresponding method and use - Google Patents

Abstract

The invention relates to a display unit configured to display characters, letters and / or numbers in each case by means of a plurality of segments of the display unit, comprising a logic unit configured to drive the respective segment in at least two states: state ON, state OFF, wherein the display unit is set up to indicate by means of the plurality of segments at least one number or number sequence of the group or composed of the group of the following integers of the decimal system as numerals: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; wherein the display unit is formed as a four-segment display unit with four individually controllable segments, wherein the display unit is arranged to represent the respective numerals of the decimal system exclusively by means of the four segments driven in each one of the two states. This simplifies and streamlines the device and not least facilitates readability. The invention further relates to a corresponding method and corresponding uses.

Description

TECHNICAL AREA

The present invention relates to a device and a method, each for the optical representation of characters, letters and / or numbers in each case by means of a plurality of optically perceivable segments. Last but not least, the present invention also relates to corresponding uses. In particular, the invention relates to an apparatus and a method according to the preamble of the respective independent claim.

BACKGROUND OF THE INVENTION

The expedient presentation of simple and easy-to-read characters or numerals (hereafter generally referred to as characters) in all imaginable situations in life is and remains a great challenge regardless of the chosen alphabet. Asian characters may be comparatively complex, at least from the point of view of a European. Arabic characters may be comparatively difficult to differentiate, at least from the point of view of a European. Signs of the Latin or Roman alphabet and the decimal system are pleasingly clear and simple in spelling, and also allow graphical variations. However, the latter can also lead to readability becoming more difficult again. In the context of the representation of numbers (numerals), in contrast to letters, comparatively moderate graphical variations occur in practice. Nevertheless, there is an interest in further simplifying the readability of numerals, and more generally, not only in terms of the decimal system. In particular, even easier readability, e.g. facilitate computing or navigation, or improve readability over long distances, with the technical effect of making the display device smaller (lower cost, less space, less light / radiation emission).

The EP 1 764 775 B1 describes a display device with multiple seven-segment display units. EP 2 595 398 B1 and DE 695 17 605 T2 and DE 20 2013 104 743 U1 describe further display devices for the controlled display of optically recognizable characters.

Against this background, on the one hand there is a need for as simple as possible, easy to read characters, on the other hand, a need for technical as simple as possible, inexpensive and / or space-optimized devices set up for purpose-optimized representation of these characters, and analogous need for corresponding methods for representation.

SUMMARY OF THE INVENTION

The object is to provide a device or a method respectively for displaying or displaying characters or numerals, with which a simplification and streamlining can be achieved and not least the readability can be facilitated. It is also an object to design numerals with the greatest possible reduced complexity and to be able to display as easily as possible or clearly visible.

At least one of these objects is achieved by a device according to claim 1 and a method according to the independent method claim and by a use according to the independent use claim. Advantageous developments of the invention are explained in the respective subclaims. The features of the exemplary embodiments described below can be combined with one another, unless this is explicitly denied.

A display unit is provided for visually recognizable display of characters, letters and / or numbers in each case by means of a plurality of optically perceivable segments of the display unit, comprising a logic unit configured to control the respective segment in at least two states: state ON (optically detectable segment), State OFF (optically no or less well perceived segment), wherein the display unit is arranged to display by means of the plurality of segments at least one number or number sequence of the group or composed of the group of the following integers or digits of the decimal system as numerals: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

According to the invention, it is proposed that the display unit is designed as a four-segment display unit with four individually controllable segments, wherein the display unit is set up to display the respective number sign of the decimal system exclusively by means of the four segments in each case in one of the two states. This not only simplifies the device, but also provides a very simple built-up numeral, and can improve readability.

The logic unit can be set up to control the respective segments, in particular based on specifications of a computer program product.

In this case, a technical device is designed as a display unit for displaying / displaying, which is set up to visually perceive the respective segments for a viewer, in particular as a function of the viewer prevailing lighting conditions. For example, the display unit has an automatic radiation intensity adjustment.

In this case, a numerical symbol is a symbol or number symbol which represents any number of a number system.

According to one embodiment, the number 1 represented or represented by a single segment or is represented by, in particular by a vertical segment. This also provides a very simple constructed numerals.

The number 2 is preferably represented by two individual segments (or is represented thereby), in particular by a vertical segment and a horizontal segment, preferably laterally outgoing at an upper end of the vertical segment, more preferably outgoing to the right. This also provides a very simple constructed numerals. The number 3 is preferably represented by three individual segments / represented or is represented by, in particular by a vertical segment and two horizontal segments, preferably unilaterally outgoing at an upper and lower end of the vertical segment, more preferably outgoing to the left. This also provides a very simple constructed numerals.

The number 4 is preferably represented by two individual segments / represented or is represented by, in particular by a vertical segment and a horizontal segment, preferably laterally outgoing at a lower end of the vertical segment, more preferably outgoing to the right. This also provides a very simple constructed numerals.

The number 5 is preferably represented by three individual segments / represented or is represented by, in particular by a vertical segment and two horizontal segments, preferably unilaterally outgoing at an upper and lower end of the vertical segment, more preferably outgoing to the right. This also provides a very simple constructed numerals.

The number 6 is preferably represented by two individual segments / represented or is represented by, in particular by a vertical segment and a horizontal segment, preferably laterally outgoing at an upper end of the vertical segment, more preferably outgoing to the left. This also provides a very simple constructed numerals.

The number 7 is preferably represented by three individual segments / represented or is represented by, in particular by two vertical segments and a horizontal segment, preferably arranged laterally between the two vertical segments, more preferably below between the ends of the vertical segments. This also provides a very simple constructed numerals.

The number 8th is preferably represented by two individual segments / represented or is thereby represented, in particular by a vertical segment and a horizontal segment, preferably laterally outgoing at a lower end of the vertical segment, more preferably outgoing to the left. This also provides a very simple constructed numerals.

The number 9 is preferably represented / represented by three individual segments or is thereby represented, in particular by two vertical segments and a horizontal segment, preferably arranged laterally between the two vertical segments, more preferably at the top between the ends of the vertical segments. This also provides a very simple constructed numerals.

The number 0 is preferably represented / represented by four individual segments or is thereby represented, in particular by two vertical segments and two horizontal segments, preferably each arranged laterally between the two vertical segments, more preferably above and below between the ends of the vertical segments. This also provides a very simple constructed numerals.

The respective numerals can also be easily read thanks to the simple structure, and can be represented by a very minimalist device. The transmission of numerical information to the viewer is thereby technically simplified on the one hand, on the other hand also clearer, clearer, and thus more reliable.

The individual segments can be arranged with the free ends in each case in abutment against each other, in particular more or less without visually perceptible gap.

According to one exemplary embodiment, the individual segments are arranged relative to one another according to sides of a quadrilateral polygon, in particular in rectangular or square geometry, in particular each at an angle of at least approximately 90 °, in particular abutting one another with the free ends. This also provides a very simple built-up numerals, and good readability.

At least one of the segments, in particular all four segments, are preferably each formed as a line-shaped segment, in particular as rectilinear segment without curvature with respect to the respective longitudinal axis (longitudinal axis = straight line). This also provides a very simple built-up numerals, and good readability.

According to an advantageous embodiment, the respective segment is formed by an optical display element consisting of at least one coupled to the logic unit light source, in particular an LED light source. This simplifies not least the technical implementation in connection with a very simple structure of numerals, and also allows good readability, especially since an LED light source is geometrically very precisely delimited.

The respective segment may extend two-dimensionally or three-dimensionally or be aligned or constructed two-dimensionally or three-dimensionally. This provides flexibility and richness of variants for each optimal technical implementation.

At least one of the abovementioned objects is also achieved by a display device having at least one four-segment display unit described above, wherein the display device has a frame arranged for attaching or stopping the display device, in particular a frame with at least partially planar bottom side for parking on a level Surface (ground). As a result, the display unit can be flexibly positioned, whether for learning / teaching purposes, be it in traffic monitoring, be it in private or business use.

In this case, the display device or the respective four-segment display unit can have a vertical and / or horizontal extent of 5 cm to 5 m. An extension in the range of e.g. only a maximum of 5cm allows a high information density in a small space. An extension in the range of several meters allows good legibility even over long distances, especially in connection with traffic management or traffic monitoring.

According to an advantageous embodiment, the display device further comprises a one-segment display unit, in particular in an arrangement in front of or to the left of the four-segment display units. This can further reduce the space requirement, in particular in connection with a use for displaying the time in the 12h system. The one-segment display unit then only needs to represent the number "1" (ON or OFF state).

According to an advantageous embodiment, the display device comprises at least two, three, five or six previously described four-segment display units, wherein the display device is designed as a clock, and wherein the four-segment display units are arranged individually or in pairs next to each other. This also provides a comparatively compact device with respect to the size of the device comparatively good readability in terms of time information.

The display device may comprise at least two four-segment display units as described above, wherein the individual segments are arranged adjacent to each other at sides of a four-sided polygon of rectangular geometry relative to each other at an angle of at least approximately 90 ° in abutment with the free ends, all four Segments are each formed as a rectilinear segment, wherein the display device has a frame with at least partially planar bottom side set up for attaching or turning off the display device. This also provides a very clear, compact arrangement.

At least one of the aforementioned objects is also achieved by a learning system having at least one display device described above, wherein the learning system further comprises at least one display device configured to display characters, letters, numbers of the decimal system in modern Arabic font, in particular by means of at least one screen Segment display unit, wherein the at least one four-segment display unit of the display device is preferably arranged in each case in relative arrangement relative to the seven-segment display unit, in particular in an array in pairs vertically above one another. This system can be used advantageously for training purposes, or also in connection with traffic guidance for different addressees, e.g. Pilot and travelers. This also allows direct comparison or direct reference to the decimal system.

At least one of the aforementioned objects is also achieved by a method for (visually perceptible) displaying characters, letters and / or numbers in each case by means of a plurality of (visually perceptible) segments, comprising driving the respective segment for setting the segment in one of at least two states: state ON, state OFF, wherein by means of the plurality of segments at least one number or number sequence of the group or composed of the group of the following integers of the decimal system is displayed as numerals: 0, 1, 2, 3, 4, 5 , 6, 7, 8, 9; wherein the display of the respective number sign of the decimal system by means of a maximum of four segments, wherein the display exclusively by means of the maximum four Segments in each one of the two states takes place. This results in the aforementioned advantages.

At least one of the aforementioned objects is also achieved by using a computer program product to set optically detectable segments in one of at least two states: state ON, state OFF, to represent characters, letters and / or numbers by means of a plurality of segments, respectively at least one number or digit sequence of the group or composed of the group of the following integers of the decimal system is displayed as numerals in each case by means of a maximum of four segments set by the computer program product per number sign: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; in particular in a previously described method and / or for a previously described four-segment display unit. This results in the aforementioned advantages.

At least one of the aforementioned objects is also achieved by using a plurality of previously described four-segment display units for representing numbers for a road user, in particular for representing the time, in particular in connection with traffic monitoring, in particular at airports. This results in the aforementioned advantages.

At least one of the aforementioned objects is also achieved by using a plurality of previously described four-segment display units for teaching purposes and / or for learning purposes each in a relative arrangement relative to a corresponding seven-segment display unit configured to display characters, letters, numbers the decimal system in modern Arabic font, in particular in an arrangement in pairs vertically above each other, in particular as a clock to represent the time (hours, minutes and / or seconds). This results in the aforementioned advantages.

list of figures

• 1 in schematischer Darstellung zehn erfindungsgemäße Zahlzeichen dargestellt gemäß einem Ausführungsbeispiel, jeweils im Vergleich zu den ganzen Zahlen des Dezimalsystems;
• 2A, 2B, 2C, 2D jeweils in schematischer Darstellung eine Anzeigeeinrichtung umfassend wenigstens eine Vier-Segment-Anzeigeeinheit gemäß einem Ausführungsbeispiel;
• 3A, 3B, 3C jeweils in schematischer Darstellung eine Anzeigeeinrichtung umfassend wenigstens drei Vier-Segment-Anzeigeeinheiten gemäß einem Ausführungsbeispiel; und
• 4A, 4B jeweils in schematischer Darstellung eine Anzeigevorrichtung bzw. eine Anzeigeeinheit gemäß dem Stand der Technik.

In the following drawing figures, the invention will be described in more detail, reference being made to reference characters, which are not explicitly described in a respective drawing figure, to the other drawing figures. Show it:

• 1 in a schematic representation of ten inventive numerals according to an embodiment, in each case in comparison to the integers of the decimal system;
• 2A . 2 B . 2C . 2D each a schematic representation of a display device comprising at least one four-segment display unit according to an embodiment;
• 3A . 3B . 3C each a schematic representation of a display device comprising at least three four-segment display units according to an embodiment; and
• 4A . 4B in each case a schematic representation of a display device or a display unit according to the prior art.

DETAILED DESCRIPTION OF THE FIGURES

1 essentially serves to explain the structure of the numerals according to the invention in / by individual segments or segment-like line segments.

In 1 are on an upper level the integers 1 to 9 as well as the zero ( 0 ) of the decimal system. The reference to the decimal system was made here purely by way of example; Of course, reference could also be made, for example, to the Roman numerals.

On a level below arranged numerals or digits are made according to the manner and manner of the present invention. Each of these ten numerals can be represented by means of a four-segment display unit according to the invention.

The number 1 or the corresponding four-segment numeral is represented as a single vertical segment.

The number 2 or the corresponding four-segment numeral is represented by two individual segments, namely by a vertical segment and a horizontal segment, going out laterally to the right at an upper end of the vertical segment.

The number 3 or the corresponding four-segment numeral is represented by three individual segments, namely by a vertical segment and two horizontal segments, unilateral to the left outgoing at an upper and lower end of the vertical segment. The number 4 or the corresponding four-segment numeric character is represented by two individual segments, namely by a vertical segment and a horizontal segment, going out laterally to the right at a lower end of the vertical segment.

The number 5 or the corresponding four-segment numeral is represented by three individual segments, namely by a vertical segment and two horizontal segments, unilaterally outgoing to the right at an upper and lower end of the vertical segment. The number 6 or the corresponding four-segment numeral is represented by two individual segments, namely by a vertical segment and a horizontal segment, laterally outgoing to the left at an upper end of the vertical segment.

The number 7 or the corresponding four-segment numeral is represented by three individual segments, namely by two vertical segments and one horizontal segment, laterally arranged below the ends of the two vertical segments.

The number 8th or the corresponding four-segment numeral is represented by two individual segments, namely by a vertical segment and a horizontal segment, laterally outgoing to the left at a lower end of the vertical segment.

The number 9 or the corresponding four-segment numeral is represented by three individual segments, namely by two vertical segments and one horizontal segment, laterally arranged at the top between the ends of the two vertical segments.

The number 0 or the corresponding four-segment numeral is represented by four individual segments, namely by two vertical segments and two horizontal segments, each arranged laterally above and below the ends of the two vertical segments.

In 2A . 2 B . 2C . 2D are variants of a display device 20 each with at least one four-segment display unit 10 shown. The respective four-segment display unit 10 includes a first segment 10.1 , a second segment 10.2 , a third segment 10.3 and a fourth segment 10.4 , Each segment can be set in at least two states, in particular by means of a logic unit 21 : ON (visually noticeable); OFF (optically imperceptible, or at least not highlighted by lights / light). The display device 20 includes a frame 23 arranged for attaching or stopping the display device, wherein the frame has an at least partially planar bottom 23.1 having. At least one transverse support for supporting the display device can also be attached to the frame 20 be provided with respect to the vertical axis and optionally also with respect to at least one horizontal axis.

In 2A is the respective segment 10.1 . 10.4 with two free ends 10a . 10b formed as a straight-line segment, which extends along a central longitudinal axis M10 extends. The free ends are each arranged in abutment with one of the further segments, wherein an angle of at least approximately 90 ° is formed, so that a rectangular geometry results.

In 2 B is a display device 20 comprising two four-segment display units 10 shown. The display device 20 can be used, for example, to display hour, minute or second, for example in a sporting competition in which time units of less than 99 seconds or less than 99 minutes must be observed. The left segment 10.4 the left four-segment display unit 10 is in the OFF state and is represented by a single indicator 11 or by a single light source 12 educated.

In 2C is a size-optimized display device 20 comprising a four-segment display unit 10 and a one-segment display unit 19 shown. The display device 20 can be used, for example, to display hours in the 12-hour system. The one-segment display unit 19 is set up to display the number sign 1 by means of a single vertical segment 19.1 , This display device 20 has only a small footprint, or can be carried out in a small space as large as possible and well visible.

In 2D is a size-optimized variant comprising two four-segment display units 10 and a one-segment display unit 19 shown. This variant is suitable, for example, for displaying minutes 1 to 199 For example, in sports, if time units of less than 199 seconds or less than 199 minutes are to be observed. The one-segment display unit 19 is in the OFF state and is represented by a single indicator 11 formed by two single light sources 12 is formed or has these light sources. The two light sources 12 can be arranged so close to each other that both light sources 12 be perceived together as a single segment.

In 3A . 3B is a learning system 40 with a numeric display 22 (modern-decimal number symbols). By means of a computer program product 30 For example, the learning of the numerals can be simplified according to the four-segment representation according to the invention. The respective learning system 40 can also be configured as a clock or timer. The logic unit 21 is set up, in pairs, the respective four-segment display unit 10 and the corresponding numeric display 22 to control, in particular for synchronous switching of the displayed numerals.

For example, a tutorial can be set from 1 to 999. For example, the changes third four-segment display unit in 3A from the numeral 4 on the numeral 5 , and at the same time the third number display changes 22 from the number 4 on the number 5 ,

In 3C is a display device 20 comprising six four-segment display units 10 shown. The display device 20 may be configured as a clock, in particular with paired four-segment display units each for displaying hour, minute, second.

In 4A is a display device 1 with a seven-segment display unit 3 with seven individual segments 3.1 shown. In 4B is a display device 1 with six individual seven-segment display units 3 shown, in embodiment as a clock for displaying hour, minute, second.

LIST OF REFERENCE NUMBERS

1

display device

3

Seven-segment display unit

3.1

single segment

10

Four-segment display unit

10a, 10b

free end

10.1

first segment

10.2

second segment

10.3

third segment

10.4

fourth segment

11

display element

12

light source

19

A segment display unit

19.1

segment

20

display

21

logic unit

22

Numeric display (modern Arabic numeral symbols of the decimal system)

23

frame

23.1

at least in sections flat bottom

30

A computer program product

40

learning system

M10

Center longitudinal axis of the respective segment

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 1764775 B1 [0003]
• EP 2595398 B1 [0003]
• DE 69517605 T2 [0003]
• DE 202013104743 U1 [0003]

Claims (10)

Display unit (10) arranged to display characters, letters and / or numbers in each case by means of a plurality of segments (3.1, 10.1) of the display unit, comprising a logic unit (21) arranged to drive the respective segment (3.1, 10.1) in at least two states State ON, state OFF, wherein the display unit is arranged to display by means of the plurality of segments at least one number or number sequence of the group or composed of the group of the following integers of the decimal system as numerals: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; characterized in that the display unit as a four-segment display unit with four individually controllable segments (10.1, 10.2, 10.3, 10.4) is formed, wherein the display unit is arranged to represent the respective numerals of the decimal system exclusively by means of the four segments driven in each one of the two states. Four-segment display unit (10) after Claim 1 in which the number 1 is represented by a single segment (10.2, 10.4), in particular by a vertical segment; and / or wherein the number 2 is represented by two individual segments (10.1, 10.4), in particular by a vertical segment and a horizontal segment, preferably laterally outgoing at an upper end of the vertical segment, more preferably to the right; and / or wherein the number 3 is represented by three individual segments (10.1, 10.2, 10.3), in particular by a vertical segment and two horizontal segments, preferably unilaterally outgoing at an upper and lower end of the vertical segment, more preferably to the left; and / or wherein the number 4 is represented by two individual segments (10.3, 10.4), in particular by a vertical segment and a horizontal segment, preferably laterally outgoing at a lower end of the vertical segment, more preferably to the right; and / or wherein the number 5 (10.1, 10.3, 10.4) is represented by three individual segments, in particular by a vertical segment and two horizontal segments, preferably outgoing unilaterally at an upper and lower end of the vertical segment, more preferably to the right; and / or wherein the number 6 is represented by two individual segments (10.1, 10.2), in particular by a vertical segment and a horizontal segment, preferably laterally outgoing at an upper end of the vertical segment, more preferably to the left; and / or wherein the number 7 is represented by three individual segments (10.2, 10.3, 10.4), in particular by two vertical segments and one horizontal segment, preferably arranged laterally between the two vertical segments, more preferably below between the ends of the vertical segments; and / or wherein the number 8 is represented by two individual segments (10.2, 10.3), in particular by a vertical segment and a horizontal segment, preferably laterally outgoing at a lower end of the vertical segment, more preferably to the left; and / or wherein the number 9 is represented by three individual segments (10.1, 10.2, 10.4), in particular by two vertical segments and one horizontal segment, preferably arranged laterally between the two vertical segments, more preferably at the top between the ends of the vertical segments; and / or wherein the number 0 is represented by four individual segments (10.1, 10.2, 10.3, 10.4), in particular by two vertical segments and two horizontal segments, preferably arranged laterally between the two vertical segments, more preferably above and below between the two Ends of the vertical segments. Four-segment display unit according to one of the preceding claims, wherein the individual segments according to sides of a four-sided polygon, in particular in rectangular or square geometry, are arranged relative to each other, in particular each at an angle of at least approximately 90 °, in particular on impact with the free ends (10a, 10b) adjacent to each other; and / or wherein at least one of the segments, in particular all four segments, is in each case formed as a line-shaped segment, in particular as a rectilinear segment without curvature with respect to the respective longitudinal axis (M10). Four-segment display unit according to one of the preceding claims, wherein the respective segment is formed by an optical display element (11) consisting of at least one coupled to the logic unit light source (12), in particular an LED light source; and / or wherein the respective segment extends two-dimensionally or three-dimensionally or is oriented or constructed two-dimensionally or three-dimensionally. Display device (20) with at least one four-segment display unit according to one of the preceding claims, wherein the display device (20) has a frame (23) arranged for attaching or stopping the display device, in particular a frame with at least partially planar bottom side (23.1) for Parking on a flat surface; and / or wherein the display device (20) or the respective four-segment display unit (10) has a vertical and / or horizontal extension of 5 cm to 5 m; and / or wherein the display device (20) further comprises a one-segment display unit (19), in particular in an arrangement to the left of the / the four-segment display units (10). Display device (20) with at least two, three, five or six four-segment display units (10) according to any one of the preceding claims, wherein the display device is designed as a clock, and wherein the four-segment display units are arranged individually or in pairs next to each other ; or display device (20) with at least two four-segment display units (10) according to one of the preceding claims, wherein the individual segments (10.1, 10.2, 10.3, 10.4) according to sides of a quadrilateral polygon in rectangular geometry relative to each other at an angle of at least approximately 90 ° in abutment with the free ends (10a, 10b) are arranged adjacent to each other, wherein all four segments are each formed as a rectilinear segment, wherein the display device (20) a frame (23) with at least partially planar lower side (23.1) set for attaching or stopping the display device. Learning system (40) with at least one display device (20) according to any one of the preceding claims, wherein the learning system further comprises at least one display device (1) arranged to display characters, letters, numbers of the decimal system in modern Arabic font, in particular by means of at least one sieve Segment display unit (3), wherein the at least one four-segment display unit (10) of the display device (20) is preferably arranged in relative arrangement relative to the seven-segment display unit (3), in particular in an arrangement in pairs vertically above one another , A method of displaying characters, letters and / or numbers, each by means of a plurality of segments (10.1), comprising driving the respective segment to set the segment in one of at least two states: ON state, OFF state using the plurality of segments at least one number or digit string of the group or composed of the group of the following integers of the decimal system is displayed as numerals: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; characterized in that the display of the respective number sign of the decimal system by means of a maximum of four segments (10.1, 10.2, 10.3, 10.4) takes place, wherein the display is effected exclusively by means of the maximum of four segments in each one of the two states. Use of a computer program product (30) for setting segments (10.1) in one of at least two states: state ON, state OFF, for representing characters, letters and / or numbers, each by means of a plurality of segments, wherein at least one number or digit sequence of Group or composed of the group of the following integers of the decimal system as numerals by means of a maximum of four segments set by the computer program product (10.1, 10.2, 10.3, 10.4) is displayed for each number: 0, 1, 2, 3, 4, 5, 6 , 7, 8, 9; in particular in a method according to the preceding claim and / or a four-segment display unit (10) according to one of the preceding claims. Use of a plurality of four-segment display units (10) according to one of the preceding claims for representing numbers for a road user, in particular for representing the time, in particular in connection with traffic monitoring, in particular at airports; or using a plurality of four-segment display units (10) according to one of the preceding claims for teaching purposes and / or for learning purposes respectively in relative arrangement relative to a corresponding seven-segment display unit (3) arranged to display characters, letters, numbers the decimal system in modern Arabic font, especially in an arrangement in pairs vertically above each other, especially as a clock to represent the time.

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