EP0565869B1 - Matrixförmige Anzeigevorrichtung - Google Patents

Matrixförmige Anzeigevorrichtung Download PDF

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Publication number
EP0565869B1
EP0565869B1 EP93103968A EP93103968A EP0565869B1 EP 0565869 B1 EP0565869 B1 EP 0565869B1 EP 93103968 A EP93103968 A EP 93103968A EP 93103968 A EP93103968 A EP 93103968A EP 0565869 B1 EP0565869 B1 EP 0565869B1
Authority
EP
European Patent Office
Prior art keywords
column
setting
lines
resetting
matrix
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
Application number
EP93103968A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0565869A2 (de
EP0565869A3 (ru
Inventor
Erich Dr.-Ing. Killinger
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.)
Dambach Werke GmbH
Original Assignee
Dambach Werke 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 Dambach Werke GmbH filed Critical Dambach Werke GmbH
Publication of EP0565869A2 publication Critical patent/EP0565869A2/de
Publication of EP0565869A3 publication Critical patent/EP0565869A3/xx
Application granted granted Critical
Publication of EP0565869B1 publication Critical patent/EP0565869B1/de
Anticipated expiration legal-status Critical
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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
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3486—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by a magnetic field
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/305—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being the ends of optical fibres

Definitions

  • the invention relates to a display device according to the preamble of claim 1.
  • a display device of this type is known from DE 89 13 499 U1.
  • nested individual matrices are assigned their own partial control devices, to which partial display information is supplied by a central control.
  • the display information is composed of the partial display information.
  • the sub-control devices control the assigned sub-pixels via their own control lines.
  • This type of control of a matrix with four nested sub-matrices not only requires a high level of control effort, but also complex wiring of the matrix.
  • the setting of the matrix is only quick if the partial control devices control all partial pixels to be set in parallel. However, this entails a high outlay on set switches in the partial control devices, since a separate set switch must be provided for each partial pixel.
  • DE 40 24 499 C1 describes a circuit arrangement for a display device with a matrix of bistable matrix points is known in which the columns or the rows are controlled one after the other for checking, wherein all matrix points of the column or each row are always set or reset. With this circuit arrangement, however, no display can be set and deleted since, as a rule, only a part of the matrix points of a column or row is set in a display. In addition, a matrix point can only be displayed in one color.
  • the electromagnets of the flaps can be controlled one after the other in the column direction by means of a column control device, the reset reference potential in each case in a first sub-step and the set reference potential in a second sub-step, and that in In the row direction, the electromagnets of the flaps can be controlled in parallel by means of a row control device, the reset potential being able to be switched to all half rows in the first partial step of a column control and the partial display information corresponding to the controlled half column being set to the respective assigned half rows in the second partial step of the column control, or in the same advantageous manner in that the electromagnets of the flaps can be controlled one after the other in the column direction by means of a column control device, wherein the reset reference potential in each case in a reset cycle to the controlled half column and with each column control, the reset potential can be switched on simultaneously on all half rows by means of a row control device, and that in a setting cycle, the electromagnets of the flaps can be controlled one after
  • all partial matrices can be set in a control cycle with the corresponding half-column partial display information.
  • the control lines in the column direction are based on the number of half columns, i.e. twice the number of columns in the matrix, and the control lines in the row direction are reduced to the number of the matrix.
  • the control works in series and in the row direction in parallel, so that both the setting and the resetting of the partial pixels can be carried out very quickly, especially since the set and reset pulses only have to be applied for a few milliseconds to actuate the flaps.
  • the structure of the matrix is designed in such a way that each half line has both a reset line and a set line, and that each reset line is connected to the one connections of all the electromagnets of the flaps of the assigned half line via rectifiers that are permeable to the reset potential, so that each set line via rectifier which is permeable to the setting potential is connected to the one connections of all the electromagnets of the flaps of the assigned half-line, that the other connections of the electromagnets of the flaps are assigned to Half-column lines are switched on, and that the column control device has half-column-specific reset switches and half-column-specific set switches and the row control device have half-line individual reset switches and half-line individual set switches.
  • the column controller and the row controller are from a display controller, e.g. a processor, which can be supplied with the display information from a memory in the form of half-column-specific partial display information.
  • a display controller e.g. a processor
  • the memory contains the display information in half columns and half lines as values "0" and "1", the value "1" meaning that the assigned flap is set in the release position.
  • a column control device SpSt and a row control device ZSt are assigned to a matrix M with matrix points mp consisting of four differently colored partial picture elements.
  • a central display control device ASt controls the column control device SpSt and the row control device ZSt.
  • An input EG specifies which display information is to be displayed with the matrix M.
  • Various display information is stored in a memory ZSp.
  • a specific text can also be selected using a TxSp text memory.
  • the memory ZSp then converts the letters of the text into partial display information and places them in the fields specified in the matrix M.
  • Each sub-pixel of the matrix point mp has an optical fiber which is illuminated in accordance with the color assigned to the sub-matrix.
  • the optical fibers of a sub-matrix can be combined to form an optical fiber bundle and at the same time illuminated by an appropriate filter.
  • the light exit end of each optical fiber can be covered and released by means of a flap, so that the image partial point with the assigned color can be included in the display or eliminated from the display.
  • the partial image point b1 white, the partial pixel b2 is yellow, the partial pixel b3 is green and the partial pixel is red.
  • This arrangement of a matrix point mp is repeated over all columns x1 to xn and over all rows y1 to ym.
  • the columns x1 to xn are divided into half columns x11, x12 to xn1, xn2 with assigned control lines and the lines y1 to ym into half lines y11, y12 to ym1, ym2 with assigned control lines.
  • the control information present or supplied in the display control device ASt corresponds to the display information, the value "0" meaning a covered optical fiber and the value "1" indicating an enabled optical fiber.
  • the structure of the control information corresponds to the structure of the matrix M with the columns x1 to xn and the half columns x11, x12 to xn1, xn2 and with the lines y1 to ym and the half lines y11, y12 to ym1, ym2.
  • a half column x11, x12 to xn1, xn2 forms part display information TInf, which is transmitted in parallel into the assigned half column x11, x12 to xn1, xn2 of the matrix M.
  • the display information can be divided into fields B1, B2, B3, B4 ... of the same size.
  • the fields B1, B2, B3, B4 ... are so large that a letter of a text can be displayed. If a certain text is specified with the text memory TxSp, then the memory ZSp can be used to convert the corresponding partial display information letter by letter.
  • the display control device ASt positions the partial display information in the assigned field B1, B2, B3, B4 ... of the matrix M. This process is repeated until the text letter by letter in the matrix M in the corresponding fields B1, B2, B3, B4 ... is set.
  • FIG. 5 shows the electrical structure of a matrix point mp (x1, y1) with the four electromagnets Kx11y11, Kx12y11, Kx11y12 and Kx12y12 of the flaps. These electromagnets of the flaps are connected to one of the connections on the assigned control lines of the half columns x11 and x12. The respective other connections lead via two rectifiers Ds and Dr to the set line and the reset line of the assigned half line y11 or y12.
  • the Kx11y11 electromagnet of the flap is assigned to the half column x11 and the half line y11, the electromagnet Kx12y11 of the flap of the half column x12 and the half line y11, the electromagnet Kx11y12 of the half column x11 and the half line y12 and the electromagnet Kx12y12 of the flap of the half column x12 and the half line y12.
  • the half line y11 has a set line y11s and a reset line y11r and the half line y12 has a set line y12s and a reset line y12r.
  • Each set line y11s or y12s is assigned a set switch shz1 or shz2, which connects the set potential + to the set line y11s or y12s via the rectifier Ds.
  • the selected half column x11 or x12 is switched to the setting reference potential ground via setting switch shsp1 or shsp2.
  • Each reset line y11r or y12r is assigned a reset switch rhz1 or rhz2, which connects the reset reference potential ground to the reset line rhz1 or rhz2 via the rectifier Dr.
  • the selected half column x11 or x12 is switched on to the reset potential + via a reset switch rhsp1 or rhsp2.
  • the rectifiers Ds and Dr are switched on in such a way that when the current is set or reset the current flows in one direction or the other via the electromagnet of the flap. A brief impulse is sufficient. The flap is then held in the set position by remanence until the solenoid is actuated in the other current direction.
  • the control cycle can be done in two ways. This means that setting and resetting can include a separate cycle. Before setting new display information, all flaps are reset to the cover position. This is done in that the half-columns x11, x12 to xn1, xn2 are successively applied with the reset potential + via their reset switches rhsp1 or rhsp2. Each time a half column x11, x12 to xn1, xn2 is activated, all reset lines y11r or y12r are always supplied with reset reference potential ground via the reset switches rhz1 or rhz2. All flaps of the selected half column are reset to their cover positions in one step.
  • the flaps can be set from half column to half column in accordance with the display information according to FIG. 4 in a setting cycle.
  • the information assigned to the matrix point mp (x1, y1) will lead to the setting of the electromagnet Kx11y12 of the assigned flap when the half-column x11 is activated and to the setting of the electromagnet Kx12y11 of the assigned flap when the half-column x12 is activated.
  • all partial display information TInf of the display information is transferred into the half columns x11, x12 to xn1, xn2 of the matrix M.
  • the assigned flaps release the partial pixels and the matrix M shows the corresponding display.
  • the partial pixels of each matrix point mp can be set as desired or not set.
  • the set cycle and the reset cycle can also be nested.
  • the half column x11, x12 to xn1, xn2 is first reset in a first partial step and then set in accordance with the assigned partial display information TInf.
  • This has the advantage that the half column x11, x12 to xn1, xn2 only has to be addressed once.
  • the resetting and setting process is repeated until the cycle on the last half column x11, x12 to xn1, xn2 is completed and ended. New display information is then overwritten from half column to half column.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Control Of El Displays (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
EP93103968A 1992-04-13 1993-03-11 Matrixförmige Anzeigevorrichtung Expired - Lifetime EP0565869B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4212125A DE4212125C1 (ru) 1992-04-13 1992-04-13
DE4212125 1992-04-13

Publications (3)

Publication Number Publication Date
EP0565869A2 EP0565869A2 (de) 1993-10-20
EP0565869A3 EP0565869A3 (ru) 1994-04-06
EP0565869B1 true EP0565869B1 (de) 1996-07-31

Family

ID=6456580

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93103968A Expired - Lifetime EP0565869B1 (de) 1992-04-13 1993-03-11 Matrixförmige Anzeigevorrichtung

Country Status (7)

Country Link
US (1) US5406302A (ru)
EP (1) EP0565869B1 (ru)
AT (1) ATE141021T1 (ru)
CA (1) CA2093897C (ru)
DE (2) DE4212125C1 (ru)
NO (1) NO931348L (ru)
SG (1) SG46533A1 (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793349A (en) * 1992-03-20 1998-08-11 Mark Iv Industries Limited Electromagnetic shutter and cover
RU2176415C2 (ru) * 1997-05-29 2001-11-27 Созо ХИРАЯМА Устройство отображения светорисующего типа

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Also Published As

Publication number Publication date
SG46533A1 (en) 1998-02-20
CA2093897C (en) 1998-07-21
EP0565869A2 (de) 1993-10-20
EP0565869A3 (ru) 1994-04-06
NO931348D0 (no) 1993-04-07
DE59303346D1 (de) 1996-09-05
US5406302A (en) 1995-04-11
NO931348L (no) 1993-10-14
CA2093897A1 (en) 1993-10-14
ATE141021T1 (de) 1996-08-15
DE4212125C1 (ru) 1993-04-01

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