EP0405504B1 - Informationsanzeigesystem, geeignet für kompakte elektronische Geräte mit verschiedenen Anzeigeformaten - Google Patents

Informationsanzeigesystem, geeignet für kompakte elektronische Geräte mit verschiedenen Anzeigeformaten Download PDF

Info

Publication number
EP0405504B1
EP0405504B1 EP19900112258 EP90112258A EP0405504B1 EP 0405504 B1 EP0405504 B1 EP 0405504B1 EP 19900112258 EP19900112258 EP 19900112258 EP 90112258 A EP90112258 A EP 90112258A EP 0405504 B1 EP0405504 B1 EP 0405504B1
Authority
EP
European Patent Office
Prior art keywords
display
memory
designating
writing
row
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
EP19900112258
Other languages
English (en)
French (fr)
Other versions
EP0405504A2 (de
EP0405504A3 (en
Inventor
Tatsuo C/O Pat.Dept. Hamura R&D Center Arai
Yuuji c/o Pat.Dept. Hamura R&D Center Kuriyama
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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
Priority claimed from JP1168125A external-priority patent/JPH0333913A/ja
Priority claimed from JP1989075570U external-priority patent/JP2562557Y2/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of EP0405504A2 publication Critical patent/EP0405504A2/de
Publication of EP0405504A3 publication Critical patent/EP0405504A3/en
Application granted granted Critical
Publication of EP0405504B1 publication Critical patent/EP0405504B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • 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
    • 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
    • G09G3/36—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 liquid crystals
    • G09G3/3611—Control of matrices with row and column drivers

Definitions

  • the present invention generally relates to a display system for a compact electronic appliance. More specifically, the present invention is directed to an information display system used to such compact electronic appliances equipped with display units having different display sizes and capable of properly displaying display information which is received from the same display information source.
  • conventional compact electronic appliances for displaying characters employ dot matrix type liquid crystal display apparatuses as display units.
  • the data to be displayed for instance, character codes are converted into image data or bit patterns, and the converted display data are stored in the screen memory corresponding to the dots constituting the liquid crystal display panel, and thereafter the display operation is performed in accordance with the contents of this screen memory.
  • an information processing apparatus that can execute a program previously stored in an external storage medium, for instance, an IC card, while connecting the IC card to this information processing apparatus.
  • the display data is received from the IC card together with the information on the line number and column number for the display purpose, and the display data is merely displayed on the designated position of the display unit.
  • a related problem is the correct setting of the display format and size, CGA or EGA, of display apparatuses, depending on the application program being executed.
  • a display system switching automatically, manually or semi-automatically to the required display format, CGA or EGA, is known from EP-A-0295691.
  • this document does not provide hints how to display characters stored in a memory device in correspondence with any screen sizes, so that the display data is sufficiently displayed within the effective display range of the display system.
  • the present invention has been made in an attempt to solve the above-described problems of the conventional information display apparatus, and has an object to provide an information display system capable of displaying information properly even when the compact electronic appliances employ the display unit having different specifications.
  • An information processing system comprises a portable electronic appliance and a memory device.
  • Said portable electronic appliance includes display means, having a display screen, capable of displaying a plurality of lines and also a plurality of characters thereon, display memory means, having a memory capacity corresponding to a size of said display screen, for storing display data to be displayed on said display screen, designating means for designating the position of said display memory means in which data is written and memory means for storing information regarding the size of said display screen.
  • Said memory device includes memory means for storing character information to be displayed on said display screen, means for sequentially transferring the character information from said memory means of said memory device to said portable electronic appliance and writing position control means for sequentially updating the writing position of said display memory means which is designated by said designating means.
  • Said portable electronic appliance further includes writing means for writing each of the character information from said memory device in the position of said display memory means which is designated by said designating means and detecting means for detecting that the writing position updated by said writing position control means exceeds a memory range corresponding to said display screen.
  • Said memory device further includes control means for controlling the operation of said designating means and said writing means in accordance with the detection result of said detecting means.
  • Fig. 1 is a perspective view of the first compact electronic appliance.
  • reference numeral 1 indicates an apparatus housing which is constructed of a main body 1a, and a lid 1b hinged to the main body 1a.
  • On the surface of this main body 1a there are formed a keyboard 2, a power-ON switch 3a, and a power-OFF switch 3b, whereas a card loading unit 5 is formed on one side surface of the main body 1a (right side as viewed in Fig. 1) so as to load an IC (integrated circuit) card 4.
  • IC integrated circuit
  • a card (CAD) key 7 for setting a card mode
  • a TEL key 8 for setting a telephone mode
  • an MEM key 9 for setting a memo mode
  • a Sch key 10 for setting a scheduel mode
  • a TIM key 11 for setting a time mode
  • cursor keys 13 constructed of four switch pieces is formed beside the various function setting keys. " ⁇ " key 13a and " ⁇ ” key 13b supply a direction of display scrolling in the card mode.
  • FIG. 2 there is shown an overall circuit arrangement of the compact electronic appliance shown in Fig. 1.
  • This circuit is arranged by a central processing unit (CPU) 14 to which a key input unit 15, a ROM (read-only memory) 16, a RAM (random access memory) 17, a display control unit 18, a read control unit 19, and a housing connector 20 are connected.
  • CPU central processing unit
  • ROM read-only memory
  • RAM random access memory
  • ROM 16 previously stored therein a program for controlling various functions of the appliance, and a conversion table for converting a character code into a character pattern.
  • RAM 17 there are provided areas capable of storing various data; a display starting line pointer (n) 171, a display line pointer (m) 172, and a character pointer (p) 173, RAM 17 further includes area T(1), T(2), ---, 172 for buffering character pointer data of head character of each line; and a display character code register (CHR) 175.
  • the data stored in RAM 17 are used for controlling the displays of various data sent from the IC card 4.
  • the compact electronic appliance shown in Fig. 1 further includes a display unit 21.
  • the display unit 21 includes an LCD panel 12, an LCD driver 211 for driving the LCD panel 12, a VRAM 212, and a display form memory 213.
  • the VRAM 212 stores image data to be displayed on the LCD panel 12.
  • the function of the display form memory unit 213 is to store a form or specifications of this display unit 21.
  • Fig. 3 shows contents of the memory of different type display, i.e. A-type and B-type. There are difference in both the data of the character to be displayed and the address data, depending upon sizes of the display panel 12.
  • the display control unit 18 includes a memory unit 183.
  • An VRAM's top address, an VRAM's end address, and a dot number in the vertical direction of the LCD panel 12 are written in memory areas A, B and C from the display form memory unit 213.
  • the display control unit 18 executes both the data write control and display control with respect to the display unit 21.
  • both digit designation data (XI) and line designation data (YI) used to write the character data into VRAM 212 are stored in a digit position memory 181 and a line position memory 182. These digit designation data (XI) and line designation data (YI) are supplied to the read control unit 19.
  • the read control unit 19 owns a memory 191 for storing a digit number data (Xc) of the display unit 21, and a memory 192 for storing a line number data (Yc), and furthermore comparator units 193,194 and error flag memories (EX) 195 and (EY) 196.
  • the digit designation data (XI) and the line designation data (YI) are supplied to the comparator units 193 and 194.
  • the first comparator unit 193 compares the digit number data (Xc) stored in the memory 191 with the digit designation data (XI) stored in the digit position memory 181.
  • a flag is stored in an error flag memory (EX) 195.
  • the second comparator unit 194 compares the line number data (Yc) stored in the memory 192 with the line designation data (YI) stored in the line position memory 182.
  • EY error flag
  • the IC card 4 is constructed of a ROM 31 and a card connector 32. It should be noted that, for instance, display information as shown in Fig. 4 has been stored in ROM 31, and also program by which such display information can be displayed has been previously stored therein.
  • the card connector 32 is employed so as to connect the IC card 4 via the housing connector 20 to the housing 1.
  • a symbol shown in Fig. 4 indicates a line-feed code.
  • Figs. 1 to 4 in conjunction with a flowchart shown in Fig. 5, a description will be made such that while the IC card 4 is loaded on the housing 1, the information (see Fig. 4) stored in the IC card 4 is displayed on the display panel 12 of the compact electronic appliance.
  • the display unit 21 utilizes an "A" type form shown in Fig. 3.
  • this display unit 21 there is employed a 48x64 dot matrix as the LCD (liquid crystal display) PANEL 12.
  • One character is constructed of 16X8-dot patterns, and a character display is effected by 3 lines X 8 columns. Accordingly, VRAM 212 has a memory capacity of 48 X 64 bits.
  • a top address "0000” designates an area of VRAM 212 corresponding to first 8 bits on a first line and a first column of the display panel
  • an end address "017F" (hexadecimal notation) designates an area of VRAM 212 corresponding to sixteenth 8 bits on a third line and an eighth column of the display panel.
  • the display is executed in accordance with the flowchart represented in Fig. 5.
  • step S1 of this flowchart the VRAM's top address "0000”, VRAM's end address "017F", and dot number "48" in the vertical direction of the LCD panel 12 are read out from the display form memory 213 of the display unit 21 and then stored in the respective memory areas of the memory 183 in the display control unit 18. Subsequently, the display digit number "8" and display line number "3" are read from the display form memory 213, and thereafter stored into the memory 191 and memory 192 of the read control unit 19 at a step S2.
  • the display process is advanced to a next step S3, the LCD PANEL 12 is driven at 1/C duty, 1/48 duty in this preferred embodiment, under the control of CPU 14.
  • the display information is read from the IC card 4 at a step S4 and displayed at a subsequent step S5.
  • Fig. 6 is a flowchart for representing such a program that the display information, as shown in Fig. 4, on the IC card 4 per se is sent out to the housing 1.
  • Fig. 7 is another flowchart for explaining a process to execute the display operations at the apparatus housing 1.
  • "1" is set into the display starting-line pointer (n) 171 employed in RAM 17 and the character pointer (p) 173 thereof so as to initialize this transfer program at a step A1.
  • the display starting-line pointer (n) indicates the line number of which the information or characters are displayed on the first line of the display panel 12 when the actual display of the whole information becomes plural lines.
  • the character point (p) indicates a position of the respective character data shown in Fig. 4.
  • the display data transfer process is advanced to a step A2, the value "n" of the display starting-line pointer (n) 171, i.e., "1” in this stage, is written into the display line pointer (m) 172, and furthermore, "1" is written into the line position memory 182 for storing the line designation data (YI), so that a first line of the display unit 21 is designated.
  • this process is advanced to step A3, the value "p" of the character pointer (p) 173, i.e., "1” in this case, is written into the head character position buffer T(1). This implies that the buffer T(1) stores such that the head character of the first line corresponds to "N" of character strings "NUMBER".
  • step A4 in which a judgment is made whether or not the character corresponding to the character pointer (p) 173 is equal to the line-feed code.
  • the judgment result becomes "NO” and the process is advanced to a next step A5.
  • step A5 the p-th character code is written into the display character code register (CHR) 175 employed in RAM 17. Thereafter, the process is advanced to a step A6.
  • step A6 a display BIOS program shown in Fig. 7 previously stored in ROM 16 of the apparatus housing 1 is executed.
  • both the error flag memory (EX) 195 and error flag memory (EY) 196 are reset to "0".
  • the program is advanced to a step B2 in which a check is made whether or not the digit designation data (XI) of the memory 181 is greater than the display digit number data (Xc).
  • XI digit designation data
  • the display process is advanced to a step B3.
  • another judgment is made whether or not the line designation data (YI) of the memory 182 exceeds over the display line number data (Yc).
  • step B4 the dot pattern of the character data "N" which has been written into the display character code register (CHR) 175 is accordingly written into the memory area of VRAM 212 corresponding to a first digit position in a first line of the display panel 12, as represented in Fig. 8. Then, this display process is returned to the flowchart shown in Fig. 6. Assuming now that a judgment of either XI>Xc or XI>Yc is made at the step B2 or B3, this implies that the character to be displayed is written outside the display panel 12, so that an error flag is set at the step B5 or B6 and then the process is returned to the flowchart shown in Fig. 6.
  • Fig. 6 the display process is returned to a step A7.
  • the process is advanced to a step A8.
  • another check is made whether or not "1" has been set in the error flag memory (EX) 195.
  • EX error flag memory
  • the content of the digit position memory 181 for storing the digit designation data (XI) is added by 1 so as to designate the next position along the X direction, and the character pointer (p) 173 is added by "1" so that the next character is designated.
  • step A4 The processes as defined from the step A4 to step A9 are repeatedly executed with respect to each character of the remaining characters "UMBER". As a result, the dot pattern of "NUMBER" is written into VRAM 212 corresponding to the first display line.
  • the character pointer (p) is set to "+1", namely "8", and thus the process is advanced to a step A11.
  • both the line designation data (YI) and the display line pointer (m) are set to "+1" respectively.
  • the character writing operation is moved to the second display line at the display panel 12. Then, the process is returned to the step A3.
  • the value "p" of the character pointer (p) 173, namely "8" in this stage, is written into the head character position buffer T(2) and such a memory content that the head character positioned at the second line corresponds to "0" is stored. Also, “1” is written into the digit position memory 181 for storing the digit designating data (XI) so as to designate the first digit of the display panel. As previously described, the various operations defined after the step A4 are performed.
  • the line designation data (YI) of the memory 182 is added by “1” and thus the third line is designated. Furthermore, the content of the display line pointer (m) 172 is set to "+1 ⁇ whereby "3" is written.
  • the process is returned to the step A3, in which the value "p" of the character pointer 173, namely "16” is written as the character position information to the head character position buffer T(3).
  • the head character at the third line corresponds to charcter "8” and "1” is written into the digit position memory 181 for storing the digit designating data (XI) in order to designate the first digit.
  • the process operations defined after the steps A4 are performed.
  • the stored value "8" is read out from the head character position buffer T(2), and then set as the value "p" of the character pointer (p) 173. Subsequently, the process is returned to the previous step A2.
  • the value "n” of the display starting-line pointer (n) 171, namely "2" in this stage, is written in the display line pointer (m) 172, "1” is written into the line position memory 182 for storing the line designating data (YI) so as to designate the first line of the display.
  • step A17 a check is made whether or not the content of the display starting-line pointer (n) 171 of RAM 17 corresponding to "1". If “n” is equal to "1", since no scroll is performed in the reverse direction, the process is returned to the step A2 to form the same display.
  • step A18 the display starting-line pointer (n) 171 employed in RAM 17 is subtracted by 1.
  • the process is advanced to a step A16, at which the value "1" of the head character position buffer (1) is set to the value "p" of the character pointer (P) 173. Under this state, the process is returned to the previous step A2.
  • a display screen may be formed by scrolling the characters in the reverse direction after step A2.
  • the display range of the display unit can be effectively utilized and better display appearances of the data can be achieved even when the display range of the display panel is changed, as compared with the conventional display system in which the data are displayed on only a portion of the display unit when the display range thereof is varied.
  • both the display column number (Xc) and display line number (Yc) were fixedly set in accordance with the display range of the display panel 12.
  • these display number (Xc) and (Yc) may be set as variable numbers in case that, for instance, another display such as a function display other than the display information of the IC card is made in the display screen. That is to say, when the function display is effected as shown in Fig. 11, (Yc) is selected to be "2", whereas when the function display is erased, (Yc) is selected to be "3".
  • the display may be changed without carrying out a specific operation at the IC card 4. It is also possible to apply the display method according to the present invention to any display units having dimensions other thna 3 lines x 8 columns and 4 lines x 16 columns.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Claims (4)

  1. Informationsverarbeitungssystem mit einem tragbaren elektronischen Gerät (1) und einem Speicher (4),
    dadurch gekennzeichnet, daß
    1) das tragbare elektronische Gerät (1) folgendes enthält:
       eine Anzeigevorrichtung (21) mit einem Anzeigebildschirm (12), die zur Anzeige einer Mehrzahl von Zeilen und ebenso einer Mehrzahl von Zeichen darauf in der Lage ist;
       eine Anzeigespeichervorrichtung (212) mit einer Speicherkapazität, die einer Größe des Anzeigebildschirms entspricht, zum Speichern von Anzeigedaten, die auf dem Anzeigebildschirm angezeigt werden sollen,
       einer Festlegungsvorrichtung (181, 182) zum Festlegen der Position in der Anzeigespeichervorrichtung (212), in die Daten eingeschrieben werden; und
       eine Speichervorrichtung (191; 192) zum Speichern von Information über die Größe des Anzeigebildschirms;
    2) wobei der Speicher (4) folgendes enthält:
       eine Speichervorrichtung (31) zum Speichern von Zeicheninformation, die auf dem Anzeigebildschirm angezeigt werden soll;
       eine Vorrichtung (31, 14) zum sequentiellen Übertragen der Zeicheninformation aus der Speichervorrichtung (31) des Speichers (4) an das tragbare elektronische Gerät; und
       eine Vorrichtung (31, 14) zum Steuern der Schreibposition zum sequentiellen Aktualisieren der Schreibposition der Anzeigespeichervorrichtung (212), die von der Festlegungsvorrichtung (181, 182) festgelegt wird;
    3) wobei das tragbare elektronische Gerät (1) des weiteren folgendes umfaßt:
       eine Schreibvorrichtung (18) zum Schreiben jeder Zeicheninformation aus der Speichervorrichtung an die Stelle der Anzeigespeichervorrichtung (212), die von der Festlegungsvorrichtung (181, 182) festgelegt wird; und
       eine Erfassungsvorrichtung (193, 194) zum Erfassen, daß die von der Schreibpositions-Steuervorrichtung (31, 14) aktualisierte Schreibposition einen Speicherbereich überschreitet, der dem Anzeigebildschirm entspricht; und
    4) wobei der Speicher (4) des weiteren folgendes umfaßt:
       eine Steuervorrichtung (31, 14) zum Steuern des Betriebes der Festlegungsvorrichtung und der Schreibvorrichtung gemäß dem Erfassungsergebnis der Erfassungsvorrichtung.
  2. Informationsverarbeitungssystem nach Anspruch 1, dadurch gekennzeichnet, daß die Anzeigevorrichtung (21) eine Flüssigkristallanzeigevorrichtung vom Punktmatrixtyp einschließt.
  3. Informationsverarbeitungssystem nach Anspruch 2, dadurch gekennzeichnet, daß der Speicher (4) eine Speicherkartenvorrichtung mit einem darin vorgesehenen IC-Speicherchip enthält, und das tragbare elektronische Gerät (1) mit einer Ladeeinheit (5) für Speicherkartenvorrichtungen ausgestattet ist.
  4. Informationsverarbeitungssystem nach Anspruch 1, dadurch gekennzeichnet, daß
       die Anzeigespeichervorrichtung einen Speicherbereich hat, der aus einer Mehrzahl von Zeilen und einer Mehrzahl von Spalten zum Speichern von Anzeigezeichendaten besteht;
       die Festlegungsvorrichtung eine Spaltenfestlegungsvorrichtung (181) mit einem Spaltenzähler umfaßt, um die Spalte der Anzeigespeichervorrichtung gemäß dem Zählwert des Spaltenzählers festzulegen, und eine Reihenfestlegungsvorrichtung (182) mit einem Reihenzähler zum Festlegen der Reihe der Anzeigespeichervorrichtung gemäß dem Zählwert des Reihenzählers;
       wobei die Schreibpositions-Steuervorrichtung (31, 14) eine Vorrichtung zum Aktualisieren der Reihen- und Spaltenzähler der Reihen- und der Spaltenfestlegungsvorrichtungen umfaßt;
       wobei die Schreibvorrichtung (18) eine Vorrichtung zum Schreiben von Daten in den Speicherbereich der Anzeigespeichervorrichtung umfaßt, der durch die Zählerwerte der Reihen- und Spaltenzähler definiert ist;
       wobei die Erfassungsvorrichtung (193, 194) eine Vorrichtung zum Erfassen, daß der Spaltenzählwert des Spaltenzählers die Anzahl von Spalten der Anzeigespeichervorrichtung übersteigt und daß der Reihenzählwert des Reihenzählers die Anzahl von Reihen der Anzeigespeichervorrichtung übersteigt, umfaßt; und
       wobei die Steuervorrichtung (31, 14) eine Vorrichtung zum Zurückstellen des Reihenzählers und zum Inkrementieren des Spaltenzählers als Reaktion auf die Erfassung, daß der Spaltenzählwert die Anzahl von Spalten übersteigt, und eine Vorrichtung zum Unterbrechen des Schreibvorganges der Schreibvorrichtung (18) als Reaktion auf die Erfassung, daß der Reihenzählwert die Anzahl von Reihen übersteigt, umfaßt.
EP19900112258 1989-06-29 1990-06-27 Informationsanzeigesystem, geeignet für kompakte elektronische Geräte mit verschiedenen Anzeigeformaten Expired - Lifetime EP0405504B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP75570/89U 1989-06-29
JP1168125A JPH0333913A (ja) 1989-06-29 1989-06-29 情報処理装置および情報処理装置に用いる外部記憶装置
JP168125/89 1989-06-29
JP1989075570U JP2562557Y2 (ja) 1989-06-29 1989-06-29 表示制御装置

Publications (3)

Publication Number Publication Date
EP0405504A2 EP0405504A2 (de) 1991-01-02
EP0405504A3 EP0405504A3 (en) 1992-01-08
EP0405504B1 true EP0405504B1 (de) 1995-08-16

Family

ID=26416711

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900112258 Expired - Lifetime EP0405504B1 (de) 1989-06-29 1990-06-27 Informationsanzeigesystem, geeignet für kompakte elektronische Geräte mit verschiedenen Anzeigeformaten

Country Status (2)

Country Link
EP (1) EP0405504B1 (de)
DE (1) DE69021651T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208736A (en) * 1992-05-18 1993-05-04 Compaq Computer Corporation Portable computer with trackball mounted in display section
DE102007044986A1 (de) * 2007-09-19 2009-04-09 Deutsche Telekom Ag Verfahren zur Kalibrierung des Mensch-Maschine-Interface einer Anwendungssoftware für Mobiltelefone und entsprechende Geräte

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55135958A (en) * 1979-04-10 1980-10-23 Sharp Corp Electronic unit
JPS55140940A (en) * 1979-04-17 1980-11-04 Sharp Corp Electronic apparatus
DE3852148T2 (de) * 1987-06-19 1995-04-06 Toshiba Kawasaki Kk Anzeigemodusumschaltsystem für ein Plasmaanzeigegerät.

Also Published As

Publication number Publication date
EP0405504A2 (de) 1991-01-02
DE69021651T2 (de) 1996-04-25
EP0405504A3 (en) 1992-01-08
DE69021651D1 (de) 1995-09-21

Similar Documents

Publication Publication Date Title
US5101365A (en) Apparatus for extending windows using Z buffer memory
US4947370A (en) Word processor for simultaneously displaying and scrolling documents and the corresponding titles
US4368461A (en) Digital data processing device
EP0395916A2 (de) Bildanzeigesystem mit getrenntem Schriftsatz und Bilddarstellungs-Attributen
EP0180898B1 (de) Steuereinrichtung für eine flache Anzeigetafel
US5475808A (en) Display control apparatus
EP0405504B1 (de) Informationsanzeigesystem, geeignet für kompakte elektronische Geräte mit verschiedenen Anzeigeformaten
US5218675A (en) Information display system suitable for compact electronic appliances having different display sizes
US5227772A (en) Text display apparatus and a method of displaying text
US4504829A (en) Electronic equipment
US7463252B2 (en) Image display on an array screen
KR930005809B1 (ko) 콤팩트 전자장치용 디스플레이 시스템
EP0957468A2 (de) Steuerschaltung zur Anzeige von Zeichen auf einer Anzeigetafel
GB2090451A (en) Electronic display
JPH0520275A (ja) 小型情報端末機
JPS6411968B2 (de)
EP0284905B1 (de) Anzeigesystem
EP0369819B1 (de) Rechner auf einem Tisch
JP2698235B2 (ja) 小型情報端末機
JPH02105215A (ja) キーボード装置
JP2623077B2 (ja) 表示情報作成装置
JPS62297928A (ja) 小型電子計算機
JPS6145837B2 (de)
JPH0462590B2 (de)
JPH04277821A (ja) 文字表示装置

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

17P Request for examination filed

Effective date: 19910328

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE FR GB

17Q First examination report despatched

Effective date: 19931118

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

REF Corresponds to:

Ref document number: 69021651

Country of ref document: DE

Date of ref document: 19950921

ET Fr: translation filed
RIN2 Information on inventor provided after grant (corrected)

Free format text: ARAI, TATSUO, C/O PAT.DEPT., HAMURA R&D CENTER * KURIYAMA, YUUJI, C/O PAT.DEPT., HAMURA R&D CENTER

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
K2C1 Correction of patent specification (title page) published

Effective date: 19950816

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19980609

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19980618

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19980706

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19990630

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19990627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000503

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST