EP0222788B1 - Display screen table - Google Patents

Display screen table Download PDF

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Publication number
EP0222788B1
EP0222788B1 EP86902338A EP86902338A EP0222788B1 EP 0222788 B1 EP0222788 B1 EP 0222788B1 EP 86902338 A EP86902338 A EP 86902338A EP 86902338 A EP86902338 A EP 86902338A EP 0222788 B1 EP0222788 B1 EP 0222788B1
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EP
European Patent Office
Prior art keywords
computer workstation
workstation according
unit
box
screen
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
EP86902338A
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German (de)
French (fr)
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EP0222788A1 (en
Inventor
Johannes Rittel
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Individual
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Individual
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Publication of EP0222788A1 publication Critical patent/EP0222788A1/en
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Publication of EP0222788B1 publication Critical patent/EP0222788B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
    • A47B21/007—Tables or desks for office equipment, e.g. typewriters, keyboards with under-desk displays, e.g. displays being viewable through a transparent working surface of the table or desk
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B21/00—Tables or desks for office equipment, e.g. typewriters, keyboards
    • A47B21/007—Tables or desks for office equipment, e.g. typewriters, keyboards with under-desk displays, e.g. displays being viewable through a transparent working surface of the table or desk
    • A47B2021/0076—Tables or desks for office equipment, e.g. typewriters, keyboards with under-desk displays, e.g. displays being viewable through a transparent working surface of the table or desk the screen being incorporated in the desk top
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0001—Tops
    • A47B2200/0008—Pop-up keyboard tray incorporated into a desktop
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0066—Workstations
    • A47B2200/0073—Desk with integrated computer

Definitions

  • the invention relates to a screen table with a table frame covered by a liftable table top, a computer arranged below the table top and with connections for peripheral devices, at least one input unit, an output unit and a screen unit, a display device or a display or the like, at least one device unit except Use is arranged below the table top and all connections and interconnections of the device units are arranged excluding the table top on the table frame and the table top is designed to be transparent at least in a limited area to look at the screen or the display, the top (82) of the table top (1 ) is flat throughout and the screen (20) or the display is arranged below a transparent shield (77) which fits snugly into the top (82) of the table top (2).
  • Computer tables and other screen tables with a flat, usually horizontal table top are known in various designs.
  • the monitor and other units are fixed or detachable on the table top. Every now and then they are also sunk. Although only desktop workplaces can be designed in this way, it is extremely difficult if work is to be carried out in a conventional manner at this workstation, even over a long period of time.
  • FR-A-2 403 762 discloses a screen table for a game computer with a video monitor, which is mounted in a tub which is open at the top.
  • the side walls of the tub are formed by control boards that can be swung out to the side to provide access to the monitor and each have a joystick and a release button.
  • the horizontal screen When playing, the horizontal screen is covered by a transparent disk on the table top, on which two players sit opposite each other and operate the joystick and release button under the table top. You have to lean forward to look at the screen at a suitable angle.
  • the table top can be swiveled up to provide access to the installation groups and contains no control or other installation parts.
  • the computer has a built-in program memory, the information of which is overlaid by commands entered by the joystick and release button.
  • the top of the table top is largely flat there too, it is covered at the edge by a frame, which makes writing by hand more difficult at office work tables and reduces the value as a writing pad.
  • the previous publication is a closed functional unit consisting of a screen with program memory, program and control, which are uniformly entered into a predefined housing.
  • a program change can only be effected by changing program blocks.
  • the invention is based on the screen table defined at the outset and pursues the task of developing it in such a way that it can be used alternately in the conventional manner as an office work table or as a computer desk and a convenient and less tiring work with or without control of Allows screen operations.
  • This screen table can basically have the design of a conventional office desk, in which even complete electronic device groups are arranged so that they do not appear when not in use. Nevertheless, practically all required devices can be arranged within sight and reach and operated in the conventional way.
  • the screen table according to the invention is generally prepared for the reception of all necessary device units and connections of the computer table, but can be set up in quite different ways according to its maximum determination. Without any technical installation, the table can be used in a conventional manner as a desk, also for schoolchildren - with a screen unit, input unit and, if applicable, a log printer and the required or complete installation as a terminal table and finally with the configuration of a central unit as a computer table.
  • the computer or the central unit is expediently connected in such a way that it can be replaced as required. It is therefore also possible to use a portable computer, which should expediently have a separate output in order to be connected to the screen unit to be installed in a fixed location.
  • the screen table according to the invention is suitable as a "console", the operator's place of work, which can control all operating functions of a possibly widely branched system from its seat. Even in the private sector it can be useful to accommodate the screen unit or the home computer in a piece of furniture that can be used for many other purposes.
  • the screen table shown in FIGS. 1 to 4 is divided into the table base frame 1 and the table top 2 which can be lifted onto it. While the table top takes on a largely passive function, ie has no connections or connections to devices and to the outside, all installations and Devices necessary for data processing attached to the base frame 1.
  • This table base consists essentially of a metallic profile frame 3, which is traversed by a cross bar 4 and extending to this, extending from the frame cross bar 12 longitudinal bar 5 and by footrests 6, which are provided with height-adjustable support parts 9. They protrude the frame 3 with their neck parts 7 by the height of a conventional table drawer and end in a common support plane 8 for the table top 2.
  • the footrests 6, the front longitudinal frame rod 11 and the transverse frame rod 12 are designed as tubes with a square cross section.
  • the longitudinal bar 5 and the rear longitudinal frame bar 13 have the same outer shape with a C-shaped cross section and, with their mutually facing open sides, form a longitudinal guide 16. Accordingly, the transverse bar 4 and the other frame transverse bar 14 form a transverse guide 17.
  • a basket 18 or a box which receives a computer central unit 10 with disk storage, disk drive and the like. Furthermore, a screen unit 19 with a screen 20, an input unit 21 with a keyboard 22 and a protocol printer 23 are adjustably attached to the table frame.
  • the screen unit 19 is held on a bearing block 27 such that it can be pivoted about a horizontal pivot axis 26 and is mounted with its base plate 40 so as to be rotatable about a vertical axis of rotation 28 in a carriage 29 held in the longitudinal guide 16.
  • a motor spindle unit 32 between a connecting joint 33 and a control joint 34 attached at the lowest end of the display unit serves for adjustment about the pivot axis 26 according to double arrow 31 (FIG. 3).
  • a rotary gear motor 37 is used to turn the display unit 19 according to the double arrow 36 (FIG. 2), the pinion 38 of which engages in a toothed segment 39 of the base plate 40 of the bearing block 27.
  • a gear drive motor 41 attached to the carriage, the pinion 42 of which engages in a rack 43 on the longitudinal frame rod 13.
  • the input unit 21 with the keyboard 22 is fixedly mounted on a lifting platform 46, which can be raised and lowered relative to a base plate 47 fastened on the rods 5, 11.
  • a lifting platform 46 which can be raised and lowered relative to a base plate 47 fastened on the rods 5, 11.
  • four guide columns 48 are attached to the corners between the lifting platform and the base plate 47, and a nut 51 on a spindle 52, which is rotatable by a geared lifting motor 50 in the base plate 47, on the spindle 52 on the underside of the stroke platform 46 is befsti g t.
  • a nut 51 on a spindle 52 which is rotatable by a geared lifting motor 50 in the base plate 47, on the spindle 52 on the underside of the stroke platform 46 is befsti g t.
  • several spindles acting in parallel or comparable actuators are used.
  • rollers 56 are used, which, as shown in FIG. 3, project into the C-shaped rod profiles of the longitudinal guide in a floating manner.
  • the rectangular pull-out frame 57 is provided in the guide 17 by rollers provided on its inner end the rods 4 and 14 guided and holding at its outer end the log printer 23 with an attached paper box 58 for pulling the printing sheet 59. With 60 the printer control buttons are designated.
  • buttons 63 are attached to a switch bar 62, which is fastened above the central unit 10 on the longitudinal frame rod 11, so that all adjustment functions for the screen unit 19 and the input unit 21 can be controlled from there.
  • Additional slide-in units for further peripheral devices or other devices are, for example, also shown in FIG. 4 and will be explained later.
  • a connector panel 65 with sockets 66 is attached to the outside of the frame crossbar 12 and the neck parts 7 projecting there. Under certain circumstances, additional sockets can also be provided on the switch strip 62. In this way, as required, as partially shown in FIG. 3, the individual devices can be connected to the power supply via plugs 67 and cables 68 and connected to one another. As is known per se, the cables 68 can be guided in single or multiple loops, possibly via adjustable intermediate carriers.
  • an automatic correction can also be provided by controlling the rotary motor and swivel motor as a function of the switch-on time of the traction motor or the travel of the carriage 29.
  • This can be done relatively easily with a linear correction, whereby in the middle position according to viewing direction 72 (Fig. 2) and 73 (Fig. 3) either a normal value is set immediately and in the end positions with viewing directions 72a, 72b small deviations in purchase takes.
  • These can be corrected individually, especially when using stepper motors, since the basic command and the single command overlap. However, slight deviations can also be permitted with the normal line of sight 72.
  • infinitely precise corrections can be made, such as control cams operated by travel drives, electronic function converters and the like. It is relatively simple if 29 curve elements are fitted between base plate 40 and carriage, each of which controls a pulse generator for the other two servomotors.
  • an elongated rectangular recess 75 with an all-round angular groove with a support edge 76 for a glass plate 77 is provided in the table top 2.
  • This glass plate can be raised; their thickness corresponds exactly to the depth of the angular groove.
  • a further rectangular recess 79 is provided in the area of the input unit 21 and is separated from the front side edge 80 of the table top by an edge strip part 81 which can serve as a hand rest when keying in data or text.
  • the input unit 21 with the keyboard 22 can therefore be raised into an individually selectable position up to approximately above the top 82 of the table top 2. This end position can then be specified by a limit switch for later lifting operations.
  • a filler plate 86 which can be lifted out according to arrow 85 (FIG. 3), is used to cover the recess 78, which, like the glass plate 77 is snugly fitted at the edge and as far as possible without noticeable transitions into the recess 79.
  • the filling plate 86 is latched by two supports 87 into recesses in the input unit 21 or its carrier. This also ensures that the top 88 of the filler plate fits exactly into the top 82 of the table top 2. Both top sides should also consist of the same material, be of the same quality, and fit together without any noticeable transition.
  • the filling plate 86 When the input unit 21 is raised, the filling plate 86 is also raised and can be easily disengaged by lifting it up. Depending on requirements, it can be attached or stored in a suitable holder in the normal or reverse position. Storage is possible in the larger part of the area between profile frame 3 and table top 2, unless any parts, such as the movable screen unit 19 or the input unit 21, protrude into this space. There you can, for example, attach a small board with two recesses for the supports 87.
  • FIG. 4 schematically shows two further extracts 91 and 92 on the printer 23 side.
  • the excerpt 91 can carry the same or a modified input unit 21 according to the previous illustration, as is shown in more detail in FIG. 5.
  • a telephone 93 with a modem 94 can be accommodated on the pull-out 92.
  • Another pull-out 95 suspended below the profile frame 3 can, for example, accommodate any organizational means 96 or the like, e.g. an intercom.
  • the entire upper side 82 remains completely flat and smooth. It can be used in any way, such as for writing, notes, sorting documents, etc., like any conventional desk.
  • the table top 2 is inclined at an angle of approximately 12 °. It can, as is customary with drawing boards, be provided with a lower edge bead 112, which in turn can be used as a hand rest if the keyboard in the embodiment according to FIGS. 1 to 3 is to be attached to the top of the table top.
  • the guide for the input unit 21 could then be inclined accordingly.
  • the table top 2 In order to make the devices covered by the table top 2 easily accessible for maintenance, installation and repair purposes, it can also be expedient to store the table top 2, for example in a joint 113 on the base frame 1, in order to remove it from its inclined position or also from it to swivel up their horizontal position, as is usual with piano lids, car hoods and the like. Weight compensation, support rods and the like can be used for this in a known manner.
  • the underframe 1 finally consists of a table box 123 which is open at the top and covered by the removable tabletop 2 and which rests releasably on two box supports 124 and 125, as corresponds to the basic form of older office desks.
  • the log printer 23 is in turn attached to a pull-out frame 57, and other devices such as tape and hard disk storage can also be accommodated in the two box supports.
  • the electronic device relevant for data processing is accommodated within the table box 123, the interior of which corresponds approximately to the space between the profile frame 3 and the table top 2 of the previously described embodiment.
  • the screen unit 19 can only be adjusted about the high pivot axis as shown in FIG. 3, but is otherwise arranged in a stationary manner.
  • the receiving space for the screen unit can therefore also be limited by a housing extension 126 in the form of a truncated pyramid, which projects downward from the base plate 127.
  • the screen 20 is arranged at an ergonomically appropriate angle obliquely to the left of the seat.
  • a glass plate 177 covering the screen unit lies in the recess 175 in an angular groove on a support edge 76. This edge shoulder is interrupted to the lower right corner in FIG. 7 approximately within the triangle 128. If you press on the glass plate there, it swings up and can be lifted out. This is important for processes with which controls can be triggered by touching the screen.
  • the lateral edge 131 of the table box 123 consists of individual plates which are detachably connected to one another and to the base plate 127, for example by angled rails or the like. Lines routed between individual plate parts are also interrupted by detachable couplings. In this way, the individual parts of the box can be transported separately after disassembly, easier to handle and better protected against damage, provided that the devices are not removed as a whole and packed separately.
  • the entire inner surface of the table box 123 is covered with an electrically conductive and grounded layer.
  • a metal foil is usually used for this.
  • the temperature in this room can be kept within narrow limits by means of a cooling or air conditioning device.
  • the simplest version is a fan 117, the more precise are Peltier elements 118.
  • a current-voltage stabilizer is expediently assigned to the mains connection to be fitted inside or outside the table box. Starting from this connection, however, all electrical and data lines should only be laid inside the box. At least this box, but expediently the whole table, is primarily made of wood, and possibly also of plastic. For special purposes, however, the use of all-metal boxes can also be advantageous, as different determinations can require a different design of the entire table or individual table elements.
  • An input unit can be combined with a central unit and, even if it is provided to be rotatable through 180 °, can have a height adjustment of the keyboard of some kind for individual adaptation to the palm rest.
  • FIG. 8 the boundary lines of the desk corresponding to the representation of FIG. 11 are shown in dash-dot lines;
  • the parts of a central locking system 134 are marked in full lines with a key switch 136 which is actuated by a cylinder lock 135 and which controls the entire power supply of the electrical and electronic system installed in the desk, including a transformer.
  • a ring line 137 is led from this transformer via a multiplicity of electromagnetic locking devices which can thus be switched on and off centrally.
  • the locking devices 138, 139 hold the table top 2 on the table case 23, the locking devices 141, 142 the extracts 57 (not shown in FIG.
  • this glass plate like the filling plate 86, can be provided with a dimensionally stable frame made of metal, plastic or the like in order to enable a positive engagement of a bolt into this frame.
  • a dimensionally stable frame made of metal, plastic or the like in order to enable a positive engagement of a bolt into this frame.
  • an edge-tight, almost spit-free fitting into the respective recess in the table top 2 is provided, so that the latch 146 only has to take over the support of the glass top 177. Since the filler plate 86 can consist of sufficiently strong material at least in the edge area, a positive engagement of the latch 146 should be recommended there, which also holds the plate down on its contact surface.

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  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

A table top (2) is so arranged as to be lifted from the frame (1) of the display screen table. Said top is provided close to the edge (80) with an opening (79) which may be closed by a removable filling plate (86) and a void (75) extending parallel to the edge wherein is placed a glass plate (77). Under said glass plate there is arranged a display screen unit (19) of which the inclined screen (20) may be viewed through the void (75), said unit being optionally inclinable about an axis (26), orientable about a vertical axis and longitudinally displaceable on a fixed slide. On the table frame are mounted a basket (18) for a central computer unit (10) and a retractable record printer (23). The data input unit (21) may be lifted in the opening (79) up to the table surface. All technical installations including cable connections, the sockets (66), the switch panel (62) and the control keys (63) are arranged at a distance under the table top (2). The upper surface (82) of the table therefore remains free from apparatuses and may be used as desired. The technical installations are freely accessible and ready to be operated when the top is removed, thereby facilitating maintenance and repairs. All functional units are enclosed and protected in a cabinet-like construction and are kept safe by means of a central locking (134).

Description

Die Erfindung betrifft einen Bildschirmtisch mit einem durch eine anhebbare Tischplatte abgedeckten Tischgestell, einem unterhalb der Tischplatte angeordneten Computer und mit Anschlüssen für Peripheriegeräte, wenigstens einer Eingabeeinheit, einer Ausgabeeinheit und einer Bildschirmeinheit, einem Sichtgerät bzw. einem Display oder dergleichen, wobei mindestens eine Geräteeinheit außer Gebrauch unterhalb der Tischoberseite angeordnet ist und sämtliche Anschlüsse und Zwischenverbindungen der Geräteeinheiten unter Ausschluß der Tischplatte am Tischgestell angeordnet sind und wobei die Tischplatte zum Aufblick auf den Bildschirm oder das Display wenigstens in begrenzter Fläche durchsichtig gestaltet ist, die Oberseite (82) der Tischplatte (1) durchgehend eben ausgebildet ist und der Bildschirm (20) oder das Display unterhalb einer sich in die Oberseite (82) der Tischplatte (2) satt einfügenden durchsichtigen Abschirmung (77) angeordnet ist.The invention relates to a screen table with a table frame covered by a liftable table top, a computer arranged below the table top and with connections for peripheral devices, at least one input unit, an output unit and a screen unit, a display device or a display or the like, at least one device unit except Use is arranged below the table top and all connections and interconnections of the device units are arranged excluding the table top on the table frame and the table top is designed to be transparent at least in a limited area to look at the screen or the display, the top (82) of the table top (1 ) is flat throughout and the screen (20) or the display is arranged below a transparent shield (77) which fits snugly into the top (82) of the table top (2).

Computertische und andere Bildschirmtische mit ebener, in der Regel waagerechter Tischplatte sind in verschiedener Ausführung bekannt. Dabei sind das Bildschirmgerät und andere Einheiten fest oder lösbar auf der Tischplatte angebracht. Hin und wieder werden sie auch versenkt vorgesehen. Auf diese Weise können zwar ausschließlich Bildschirmarbeitsplätze gestaltet werden, es bereitet aber außerordentliche Schwierigkeiten, wenn an diesem Arbeitsplatz, und das sogar über längere Zeit hinweg, nach herkömmlicher Weise gearbeitet werden soll.Computer tables and other screen tables with a flat, usually horizontal table top are known in various designs. The monitor and other units are fixed or detachable on the table top. Every now and then they are also sunk. Although only desktop workplaces can be designed in this way, it is extremely difficult if work is to be carried out in a conventional manner at this workstation, even over a long period of time.

Für solche Tätigkeiten werden daher in der Regel zwei Arbeitstische bereitgestellt, ein herkömmlicher Schreibtisch und ein Computertisch. Mitunter wird auch ein Schreibtisch mit einem gesonderten Gerätetisch kombiniert, der dann alles aufnimmt, was auf einem normalen Schreibtisch keinen Platz findet. Dabei kann man zwar schneller von der einen auf die andere Tätigkeit umstellen, die Arbeit mit einem Computer oder Terminal ist dann aber verhältnismäßig beschwerlich, da man wenigstens die Sitzstellung wechseln muß und die Körperhaltung of sehr unbequem ist, was auch die Gesamtleistung mindert. Zudem haben solche Tischgruppen großen Platzbedarf und sind kostenaufwendig.As a rule, two work tables are provided for such activities, a conventional desk and a computer desk. Sometimes a desk is combined with a separate equipment table, which then holds everything that does not fit on a normal desk. You can switch from one job to the other faster, but working with a computer or terminal is relatively difficult because you have to change your sitting position and your posture is often very uncomfortable, which also reduces overall performance. In addition, such table groups have a large space requirement and are costly.

Bekannt ist durch die FR-A-2 403 762 ein Bildschirmtisch für einen Spielcomputer mit einem Video-Monitor, der in einer oben offenen Wanne angebracht ist. Die Seitenwände der Wanne sind durch Steuerbretter gebildet, die zur Seite ausgeschwenkt werden können, um Zugang zum Monitor zu schaffen, und jeweils einen Joystick und einen Auslöseknopf aufweisen.FR-A-2 403 762 discloses a screen table for a game computer with a video monitor, which is mounted in a tub which is open at the top. The side walls of the tub are formed by control boards that can be swung out to the side to provide access to the monitor and each have a joystick and a release button.

Dabei ist der waagerechte Bildschirm beim Spiel von einer transparenten Scheibe der Tischplatte überdeckt, an der sich zwei Spieler gegen- übersitzen und unter der Tischplatte Joystick und Auslöseknopf bedienen. Sie müssen sich dabei weit vorbeugen, um überhaupt unter geeignetem Winkel auf den Bildschirm aufblicken zu können.When playing, the horizontal screen is covered by a transparent disk on the table top, on which two players sit opposite each other and operate the joystick and release button under the table top. You have to lean forward to look at the screen at a suitable angle.

Die Tischplatte ist hochschwenkbar, um Zugang zu den Installationsgruppen zu schaffen, sie enthält keinerlei Steuerungs- oder andere Installationsteile. Der Computer hat einen festeingebauten Programmspeicher, dessen Informationen durch vom Joystick und Auslöseknopf eingegebene Befehle überlagert werden.The table top can be swiveled up to provide access to the installation groups and contains no control or other installation parts. The computer has a built-in program memory, the information of which is overlaid by commands entered by the joystick and release button.

Zwar ist auch dort die Oberseite der Tischplatte weitgehend eben, wird aber am Rand von einem Rahmen überdeckt, der bei Büro-Arbeitstischen das Schreiben von Hand erschwert und den Wert als Schreibauflage mindert.Although the top of the table top is largely flat there too, it is covered at the edge by a frame, which makes writing by hand more difficult at office work tables and reduces the value as a writing pad.

Bei der Vorveröffentlichung handelt es sich um eine geschlossene Funktionseinheit aus Bildschirm mit Programmspeicher, Programm und Steuerung, die einheitlich in ein vorgegebenes Gehäuse eingegeben sind. Eine Programmänderung kann ausschließlich dadurch bewirkt werden, daß man Programmbausteine auswechselt.The previous publication is a closed functional unit consisting of a screen with program memory, program and control, which are uniformly entered into a predefined housing. A program change can only be effected by changing program blocks.

Die Erfindung geht aus von dem eingangs definierten Bildschirmtisch und verfolgt die Aufgabe, diesen in solcher Weise weiterzubilden, daß er sich abwechselnd in der herkömmlichen Weise als Büro-Arbeitstisch verwenden oder als Computertisch einsetzen läßt und ein bequemes und wenig ermüdendes Arbeiten mit oder ohne Steuerung von Bildschirmvorgängen ermöglicht.The invention is based on the screen table defined at the outset and pursues the task of developing it in such a way that it can be used alternately in the conventional manner as an office work table or as a computer desk and a convenient and less tiring work with or without control of Allows screen operations.

Die Mittel zur Lösung dieser Aufgabe sind im Kennzeichen des Patentanspruchs 1 angegeben. Durch die Schrägstellung des Bildschirmes ist der Aufblickwinkel an der Voderseite des Tisches vergrößert, was bei der üblichen Sitzhaltung ein weitgehend anstrengungsfreies Beobachten des Bildschirmes durch den durchsichtigen Teil des völlig ebenen Tischplatte hindurch ermöglicht, während die Anordnung der Eingabeeinheit eine schnelle und leichte Umstellung zwischen der konventionellen Tischform und dem Computertisch ermöglicht.The means for solving this problem are specified in the characterizing part of patent claim 1. Due to the inclined position of the screen, the viewing angle on the front of the table is increased, which in the usual sitting position enables a largely effortless observation of the screen through the transparent part of the completely flat table top, while the arrangement of the input unit allows a quick and easy switch between the conventional one Table shape and the computer table allows.

Dabei kann dieser Bildschirmtisch grundsätzlich die Ausbildung eines herkömmlichen Büroschreibtisches haben, bei dem auch vollständige elektronische Gerätegruppen fest oder beweglich so angeordnet sind, daß sie außer Gebrauch nicht in Erscheinung treten. Trotzdem lassen sich praktisch alle benötigten Geräte in Sicht- und Griffweite anordnen und in der herkömmlichen Weise bedienen.This screen table can basically have the design of a conventional office desk, in which even complete electronic device groups are arranged so that they do not appear when not in use. Nevertheless, practically all required devices can be arranged within sight and reach and operated in the conventional way.

Der erfindungsgemäße Bildschirmtisch wird zwar in der Regel für die Aufnahme aller notwendigen Geräteeinheiten und Anschlüsse des Computertisches vorbereitet, kann aber seiner maximalen Bestimmung entsprechend auf recht unterschiedliche Weise eingerichtet sein. Ohne jede technische Installation ist der Tisch in herkömmlicher Weise als Schreibtisch, auch für Schüler, verwendbar-mit Bildschirmeinheit, Eingabeeinheit und gegebenenfalls Protokolldrucker und der erforderlichen oder vollständigen Installations als Terminal-Tisch und schließlich mit der Ausstattung einer Zentraleinheit als Computertisch. Auch dabei wird zweckmäßigerweise der Computer bzw. die Zentraleinheit so angeschlossen, daß er bzw. sie nach Bedarf ausgewechselt werden kann. Es ist also auch der Einsatz eines portablen Computers möglich, der zweckmäßigerweise einen gesonderten Ausgang haben sollte, um an die ortsgebunden einzubauende Bildschirmeinheit angeschlossen zu werden.The screen table according to the invention is generally prepared for the reception of all necessary device units and connections of the computer table, but can be set up in quite different ways according to its maximum determination. Without any technical installation, the table can be used in a conventional manner as a desk, also for schoolchildren - with a screen unit, input unit and, if applicable, a log printer and the required or complete installation as a terminal table and finally with the configuration of a central unit as a computer table. Here, too, the computer or the central unit is expediently connected in such a way that it can be replaced as required. It is therefore also possible to use a portable computer, which should expediently have a separate output in order to be connected to the screen unit to be installed in a fixed location.

Ein weiterer Anwendungsbereich des erfindungsgemäßen Bildschirmtisches liegt in Ladengeschäften, um etwa Kassentisch und Packtisch platzsparend zusammenzufassen. Ebenso kann der Bildschirmtisch auf zweckmäßige Weise in Klassenräumen installiert werden, die wenigstens teilweise für den Informatik-Unterricht herangezogen werden. In ausgesprochenen EDV-Anlagen eignet sich der erfindungsgemäße Bildschirmtisch als "Konsole", den Arbeitsort des Operators, der von seinem Sitz aus alle Bedienungsfunktionen einer möglicherweise weitverzweigten Anlage steuern kann. Selbst im privaten Bereich kann es zweckmäßig sein, die Bildschirmeinheit bzw. den Heimcomputer in einem Möbelstück unterzubringen, das sich für mancherlei andere Zwecke heranziehen läßt.Another area of application of the screen table according to the invention is in shops, for example to combine the cash desk and packing table in a space-saving manner. Likewise, the screen table can be conveniently installed in classrooms that are at least partially used for computer science lessons. In pronounced EDP systems, the screen table according to the invention is suitable as a "console", the operator's place of work, which can control all operating functions of a possibly widely branched system from its seat. Even in the private sector it can be useful to accommodate the screen unit or the home computer in a piece of furniture that can be used for many other purposes.

Weitere Ausgestaltungen und Vorteile der Erfindung sollen nun anhand der Zeichnung, welche die Erfindung beispielsweise wiedergibt, erläutert werden.Further refinements and advantages of the invention will now be explained with reference to the drawing, which represents the invention for example.

Es zeigenShow it

  • Fig. 1 eine räumliche Darstellung einer zur Zeit bevorzugten Ausführung eines erfindungsgemäßen Bildschirmtisches mit abgehobener Tischplatte,1 is a spatial representation of a currently preferred embodiment of a screen table according to the invention with a raised tabletop,
  • Fig. 2 eines Ansicht des Tischgestelles mit der schematischen Darstellung der in diesem angebrachten Geräteeinheiten,2 shows a view of the table frame with the schematic representation of the device units mounted in it,
  • Fig. 3 einen Schnitt durch einen Computertisch nach der Linie 111-111 in Fig. 2,3 shows a section through a computer desk along the line 111-111 in FIG. 2,
  • Fig. 4 eine Ansicht des gleichen Computertisches in Richtung des Pfeiles IV in Fig. 2 gesehen,4 is a view of the same computer table seen in the direction of arrow IV in FIG. 2,
  • Fig. 5 einen Fig. 3 entsprechenden Teilquerschnitt durch eine Ausführung mit pultartig schräggestellter Tischplatte,5 shows a partial cross section corresponding to FIG. 3 through an embodiment with a desk-like inclined table top,
  • Fig. 6 eine Vorderansicht eines gegenüber der erstbeschribenen Ausführung abgewandelten Ausführungsform des Bildschirmtisches,6 is a front view of an embodiment of the screen table which is modified compared to the first described embodiment,
  • Fig. 7 eine Ansicht dieses Bildschirmtisches von oben in Fig. 6 gesehen,7 is a view of this screen table seen from above in FIG. 6,
  • Fig. 8 eine elektromagnetische Zentralverriegelung für einen Schreibtisch nach Fig. 7 undFig. 8 shows an electromagnetic central locking system for a desk according to Fig. 7 and
  • Fig. 9 einen Teilschnitt durch eine elektromagnetische Riegelanordnung gemäß der Linie IX-IX in Fig. 8.9 shows a partial section through an electromagnetic latch arrangement according to line IX-IX in FIG. 8.

Der in den Fig. 1 bis 4 dargestellte Bildschirmtisch gliedert sich in das Tischuntergestell 1 und die abhebbar auf dieses auflegbare Tischplatte 2. Während die Tischplatte eine weitgehend passive Funktion übernimmt, also keine Anschlüsse oder Verbindungen zu Geräten und nach außen aufweist, sind alle Installationen und für eine Datenverarbeitung notwendigen Geräte am Untergestell 1 angebracht.The screen table shown in FIGS. 1 to 4 is divided into the table base frame 1 and the table top 2 which can be lifted onto it. While the table top takes on a largely passive function, ie has no connections or connections to devices and to the outside, all installations and Devices necessary for data processing attached to the base frame 1.

Dieses Tischuntergestell besteht im wesentlichen aus einem metallischen Profilrahmen 3, der von einem Querstab 4 und einem bis zu diesem reichenden, vom Rahmen-Querstab 12 ausgehenden Längsstab 5 durchzogen und von Fußstützen 6, die mit höheneinstellbaren Auflageteilen 9 versehen sind, gehalten ist. Sie überragen den Rahmen 3 mit ihren Halsteilen 7 um die Höhe einer üblichen Tischschublade und enden in einer gemeinsamen Auflageebene 8 für die Tischplatte 2.This table base consists essentially of a metallic profile frame 3, which is traversed by a cross bar 4 and extending to this, extending from the frame cross bar 12 longitudinal bar 5 and by footrests 6, which are provided with height-adjustable support parts 9. They protrude the frame 3 with their neck parts 7 by the height of a conventional table drawer and end in a common support plane 8 for the table top 2.

Die Fußstützen 6, der vordere Rahmen-Längsstab 11 und der Rahmen-Querstab 12 sind als Rohre mit quadratischem Querschnitt ausgeführt. Der Längsstab 5 und der hintere Rahmen-Längsstab 13 haben gleiche Außenform mit C-förmigem Querschnitt und bilden mit ihren einander zugewandten offenen Seiten eine Längsführung 16. Entsprechend bilden der Querstab 4 und der andere Rahmen-Querstab 14 eine Querführung 17.The footrests 6, the front longitudinal frame rod 11 and the transverse frame rod 12 are designed as tubes with a square cross section. The longitudinal bar 5 and the rear longitudinal frame bar 13 have the same outer shape with a C-shaped cross section and, with their mutually facing open sides, form a longitudinal guide 16. Accordingly, the transverse bar 4 and the other frame transverse bar 14 form a transverse guide 17.

Fest unter den Längsstäben 5 und 11 ist ein Korb 18 oder ein Kasten aufgehängt, der eine Computer-Zentraleinheit 10 mit Plattenspeicher, Diskettenlaufwerk und dgl. aufnimmt. Ferner sind verstellbar am Tischgestell angebracht eine Bildschirmeinheit 19 mit Bildschirm 20, eine Eingabeeinheit 21 mit Tastatur 22 und ein Protokolldrukker 23.Fixed under the longitudinal bars 5 and 11 is a basket 18 or a box which receives a computer central unit 10 with disk storage, disk drive and the like. Furthermore, a screen unit 19 with a screen 20, an input unit 21 with a keyboard 22 and a protocol printer 23 are adjustably attached to the table frame.

Die Bildschirmeinheit 19 ist um eine waagerechte Schwenkachse 26 schwenkeinstellbar an einem Lagerbock 27 gehalten, der mit seiner Bodenplatte 40 um eine lotrechte Drehachse 28 drehbar in einem in der Längsführung 16 gehaltenen Wagen 29 gelagert ist. Zur Verstellung um die Schwenkachse 26 gemäß Doppelpfeil 31 (Fig. 3) dient eine Motor-Spindeleinheit 32 zwischen einem Anschlußgelenk 33 und einem am untersten Ende der Bildschirmeinheit angebrachten Steuergelenk 34.The screen unit 19 is held on a bearing block 27 such that it can be pivoted about a horizontal pivot axis 26 and is mounted with its base plate 40 so as to be rotatable about a vertical axis of rotation 28 in a carriage 29 held in the longitudinal guide 16. A motor spindle unit 32 between a connecting joint 33 and a control joint 34 attached at the lowest end of the display unit serves for adjustment about the pivot axis 26 according to double arrow 31 (FIG. 3).

Zur Dreheinstellung der Bildschirmeinheit 19 gemäß Doppelpfeil 36 (Fig. 2) dient ein Getriebe-Drehmotor 37, dessen Ritzel 38 in ein Verzahnungssegment 39 der Bodenplatte 40 des Lagerbockes 27 eingreift. Schließlich dient zum Längsverfahren des Wagens 29 gemäß Doppelpfeil 30 ein am Wagen angebrachter Getriebe-Fahrmotor 41, dessen Ritzel 42 in eine Zahnstange 43 auf dem Rahmen-Längsstab 13 greift.A rotary gear motor 37 is used to turn the display unit 19 according to the double arrow 36 (FIG. 2), the pinion 38 of which engages in a toothed segment 39 of the base plate 40 of the bearing block 27. Finally, for the longitudinal movement of the carriage 29 according to the double arrow 30, a gear drive motor 41 attached to the carriage, the pinion 42 of which engages in a rack 43 on the longitudinal frame rod 13.

Die Eingabeeinheit 21 mit der Tastatur 22 ist fest auf einer Hub-Plattform 46 angebracht, die gegenüber einer auf den Stäben 5, 11 befestigten Grundplatte 47 heb- und senkbar ist. Zur lotrechten Führung dienen dabei vier an den Ecken zwischen Hub-Plattform und Grundplatte 47 angebrachte Führungssäulen 48 und zur Verstellung gemäß Doppelpfeil 49 eine durch einen Getriebe-Hubmotor 50 in der Grundplatte 47 drehbare Mutter 51 auf einer Spindel 52, die an der Unterseite der Hub-Plattform 46 befstigt ist. Zweckmäßigerweise werden mehrere parallel wirkende Spindeln oder vergleichbare Stellorgane eingesetzt.The input unit 21 with the keyboard 22 is fixedly mounted on a lifting platform 46, which can be raised and lowered relative to a base plate 47 fastened on the rods 5, 11. For vertical guidance, four guide columns 48 are attached to the corners between the lifting platform and the base plate 47, and a nut 51 on a spindle 52, which is rotatable by a geared lifting motor 50 in the base plate 47, on the spindle 52 on the underside of the stroke platform 46 is befsti g t. Expediently, several spindles acting in parallel or comparable actuators are used.

Zur Führung des Wagens 29 zwischen den Stäben 5 und 13 dienen Rollen 56, die nach der Darstellung in Fig. 3 fliegend gelagert in die C-förmigen Stabprofile der Längsführung hineinragen. In der gleichen Weise ist auch der rechteckförmige Auszugrahmen 57 durch an seinem inneren Ende vorgesehene Rollen in der Führung 17 der Stäbe 4 und 14 geführt und hält an seinem äußeren Ende den Protokolldrucker 23 mit einem darunter angebrachten Papierkasten 58 zum Abziehen des Druckbogens 59. Mit 60 sind die Drucker-Bedienungstasten bezeichnet.To guide the carriage 29 between the rods 5 and 13, rollers 56 are used, which, as shown in FIG. 3, project into the C-shaped rod profiles of the longitudinal guide in a floating manner. In the same way, the rectangular pull-out frame 57 is provided in the guide 17 by rollers provided on its inner end the rods 4 and 14 guided and holding at its outer end the log printer 23 with an attached paper box 58 for pulling the printing sheet 59. With 60 the printer control buttons are designated.

Weitere Bedienungstasten 63 sind an einer Schalterleiste 62 angebracht, die oberhalb der Zentraleinheit 10 auf dem Rahmen-Längsstab 11 befestigt ist, damit sich von dort alle Verstellfunktionen für die Bildschirmeinheit 19 und die Eingabeeinheit 21 steuern lassen. Zusätzliche Einschubeinheiten für weitere Peripherie-Geräte oder andere Einrichtungen sind beispielsweise noch in Fig. 4 gezeigt und werden später erläutert.Further control buttons 63 are attached to a switch bar 62, which is fastened above the central unit 10 on the longitudinal frame rod 11, so that all adjustment functions for the screen unit 19 and the input unit 21 can be controlled from there. Additional slide-in units for further peripheral devices or other devices are, for example, also shown in FIG. 4 and will be explained later.

Außen am Rahmen-Querstab 12 und den dort hochragenden Halsteilen 7 ist ein Steckerpaneel 65 mit Steckbuchsen 66 angebracht. Weitere Steckbuchsen können unter Umständen auch an der Schalterleiste 62 vorgesehen sein. Auf diese Weise lassen sich nach Bedarf, wie teilweise in Fig. 3 dargestellt, die einzelnen Geräte über Stekker 67 und Kabel 68 an die Stromversorgung anschließen und miteinander verbinden. Die Kabel 68 können dabei, wie an sich bekannt, in Einfach- oder Mehrfachschleifen, eventuell über verstellbare Zwischenträger geführt werden.A connector panel 65 with sockets 66 is attached to the outside of the frame crossbar 12 and the neck parts 7 projecting there. Under certain circumstances, additional sockets can also be provided on the switch strip 62. In this way, as required, as partially shown in FIG. 3, the individual devices can be connected to the power supply via plugs 67 and cables 68 and connected to one another. As is known per se, the cables 68 can be guided in single or multiple loops, possibly via adjustable intermediate carriers.

Da die ganze Installation mit sämtlichen elektrisch betätigten Aggregaten ausschließlich am Tischgestell angebracht ist, kann auch die ganze Datenverarbeitungseinrichtung im Prinzip bei abgenommener Tischplatte 2 bedient werden, wie dies Fig. 1 (abgehobene Tischplatte) und Fig. 2 (Strichpunkt-Begrenzung der Tischplatte) erkennen lassen. Anhand dieser Figuren soll unter zusätzlicher Bezugnahme auf Fig. 3 auch die Verstellung der Bildschirmeinheit 19 erläutert werden:

  • Die Bedienungsperson nimmt normalerweise die in Fig. 2 gezeigte Position ein, wobei vom Sichtzentrum 71 aus der Blick normalerweise in Schreibtisch-Querrichtung gemäß der Sichtachse 72 mit der Einblickrichtung 73 (Fig. 3) gerichtet ist. Abhängig von den durchzuführenden Arbeiten bei aufgesetzter Tischplatte wird man den Wagen 29 mit der Bildschirmeinheit 19 in Richtung des Doppelpfeils 30 (Fig. 2) zwischen den extremen Einstellungen 19a und 19b verfahren, was sich leicht mittels der Tasten 63 für den Getriebe-Fahrmotor 41 steuern läßt.
Since the entire installation with all electrically operated units is only attached to the table frame, the entire data processing device can in principle be operated with the tabletop 2 removed, as can be seen in Fig. 1 (lifted tabletop) and Fig. 2 (semicolon delimitation of the tabletop) to let. The adjustment of the screen unit 19 is also to be explained on the basis of these figures with additional reference to FIG. 3:
  • The operator normally assumes the position shown in FIG. 2, the view from the viewing center 71 normally being directed in the transverse direction of the desk according to the viewing axis 72 with the viewing direction 73 (FIG. 3). Depending on the work to be carried out with the tabletop in place, the carriage 29 with the display unit 19 will be moved in the direction of the double arrow 30 (FIG. 2) between the extreme settings 19a and 19b, which can be easily controlled using the buttons 63 for the geared drive motor 41 leaves.

Da sich hierbei die Blickrichtung ändert, etwa zwischen 72a und 72b, muß auch diese durch den Getriebe-Drehmotor (37) nachgesteuert werden. Da sich schließlich hierbei die Entfernung zwischen Auge und Bildschirm ändert, kann ein Nachregeln der Bildschirmneigung über die Motor-Spindeleinheit 32 notwendig werden. Auch dies ist grundsätzlich individuell über die Tasten 63 nachzusteuern, wozu sich zweckmäßigerweise Schrittschaltmotoren einsetzen lassen.Since the direction of view changes here, for example between 72a and 72b, this must also be readjusted by the geared rotary motor (37). Finally, since the distance between the eye and the screen changes here, it may be necessary to readjust the screen inclination via the motor spindle unit 32. This, too, is fundamentally to be readjusted individually using keys 63, for which purpose stepping motors can expediently be used.

. Es kann aber auch eine selbsttätige Korrektur dadurch vorgesehen werden, daß man Drehmotor und Schwenkmotor in Abhängigkeit der Einschaltzeit des Fahrmotors oder des Stellweges des Wagens 29 steuert. Verhältnismäßig einfach läßt sich dies mit einer linearen Korrektur bewerkstelligen, wobei in der Mittelstellung gemäß Blickrichtung 72 (Fig. 2) und 73 (Fig. 3) entweder unmittelbar ein Normalwert eingestellt wird und man in den Endlagen mit Blickrichtungen 72a, 72b kleine Abweichungen in Kauf nimmt. Diese können gerade beim Einsatz von Schrittschaltmotoren individuell auskorrigiert werden, da sich Grundkommando und Einzelkommando überlagern, Man kann aber auch bei der normalen Blickrichtung 72 geringe Abweichungen zulassen. Ebenso lassen sich stufenlos exakte Korrekturen vornehmen, etwa durch Fahrantrieb betätigte Steuerkurven, elektronische Funktionsumformer und dgl. Verhältnismäßig einfach ist es, wenn man zwischen Bodenplatte 40 und Wagen 29 Kurvenelemente anbringt, die jeweils einen Impulsgeber für die beiden anderen Stellmotoren steuern.. However, an automatic correction can also be provided by controlling the rotary motor and swivel motor as a function of the switch-on time of the traction motor or the travel of the carriage 29. This can be done relatively easily with a linear correction, whereby in the middle position according to viewing direction 72 (Fig. 2) and 73 (Fig. 3) either a normal value is set immediately and in the end positions with viewing directions 72a, 72b small deviations in purchase takes. These can be corrected individually, especially when using stepper motors, since the basic command and the single command overlap. However, slight deviations can also be permitted with the normal line of sight 72. Likewise, infinitely precise corrections can be made, such as control cams operated by travel drives, electronic function converters and the like. It is relatively simple if 29 curve elements are fitted between base plate 40 and carriage, each of which controls a pulse generator for the other two servomotors.

Um den Blick auf den Bildschirm 20 in allen Fahrstellungen des Wagens 29 freizugeben, ist in der Tischplatte 2 eine langgestreckte rechteckförmige Aussparung 75 mit einer ringsumlaufenden Winkelnut mit Auflagerand 76 für eine Glasplatte 77 angebracht. Diese Glasplatte kann aushebbar sein; ihre Dicke entspricht exakt der Tiefe der Winkelnut.In order to expose the view of the screen 20 in all driving positions of the carriage 29, an elongated rectangular recess 75 with an all-round angular groove with a support edge 76 for a glass plate 77 is provided in the table top 2. This glass plate can be raised; their thickness corresponds exactly to the depth of the angular groove.

Eine weitere rechteckförmige Ausnehmung 79 ist im Bereich der Eingabeeinheit 21 vorgesehen und vom vorderen Seitenrand 80 der Tischplatte durch ein Randleistenteil 81 getrennt, der als Handauflage beim Eintasten von Daten oder Text dienen kann. Die Eingabeeinheit 21 mit der Tastatur 22 läßt sich daher in eine individuell zu wählende Lage bis etwa über die Oberseite 82 der Tischplatte 2 hochfahren. Diese Endstellung kann dann für spätere Hubvorgänge durch einen Endschalter vorgegeben werden.A further rectangular recess 79 is provided in the area of the input unit 21 and is separated from the front side edge 80 of the table top by an edge strip part 81 which can serve as a hand rest when keying in data or text. The input unit 21 with the keyboard 22 can therefore be raised into an individually selectable position up to approximately above the top 82 of the table top 2. This end position can then be specified by a limit switch for later lifting operations.

Während die Glasscheibe 77 randdicht in die Winkelnut mit dem Auflagerand 76 eingepaßt ist und dort auch, etwa durch Verkleben, festgelegt sein kann, dient zum Abdecken der Aussparung 78 eine gemäß Pfeil 85 (Fig. 3) aushebbar Füllplatte 86, die ebenso wie die Glasplatte 77 am Rand satt und möglichst ohne merkbare Übergängen in die Ausnehmung 79 eingepaßt ist. Bei abgesenkter Eingabeeinheit 21 stützt sich die Füllplatte 86 durch zwei Stützen 87 rastend in Aussparungen der Eingabeeinheit 21 oder deren Träger ab. Dadurch wird auch gewährleistet, daß sich die Oberseite 88 der Füllplatte exakt in die Oberseite 82 der Tischplatte 2 einordnet. Beide Oberseiten sollten auch möglichst aus dem gleichen Werkstoff bestehen, gleich beschaffen sein und sich ohne merkbaren Übergang aneinanderfügen.While the glass pane 77 is fitted tightly into the angular groove with the support edge 76 and can also be fixed there, for example by gluing, a filler plate 86, which can be lifted out according to arrow 85 (FIG. 3), is used to cover the recess 78, which, like the glass plate 77 is snugly fitted at the edge and as far as possible without noticeable transitions into the recess 79. When the input unit 21 is lowered, the filling plate 86 is latched by two supports 87 into recesses in the input unit 21 or its carrier. This also ensures that the top 88 of the filler plate fits exactly into the top 82 of the table top 2. Both top sides should also consist of the same material, be of the same quality, and fit together without any noticeable transition.

Beim Hochfahren der Eingabeeinheit 21 wird die Füllplatte 86 mit hochgefahren und kann leicht durch Anheben ausgerastet werden. Sie läßt sich je nach Bedarf in Normallage oder Umkehrlage in einer geeigneten Halterung anbringen oder ablegen. Eine Ablagemöglichkeit besteht im größeren Teil des Bereiches zwischen Profilrahmen 3 und Tischplatte 2, sofern nicht irgendwelche Teile, wie etwa die verfahrbare Bildschirmeinheit 19 oder die Eingabeeinheit 21 in diesen Raum hochragen. Dort kann man beispielsweise ein kleines Brett mit zwei Ausnehmungen für die Stützen 87 anbringen.When the input unit 21 is raised, the filling plate 86 is also raised and can be easily disengaged by lifting it up. Depending on requirements, it can be attached or stored in a suitable holder in the normal or reverse position. Storage is possible in the larger part of the area between profile frame 3 and table top 2, unless any parts, such as the movable screen unit 19 or the input unit 21, protrude into this space. There you can, for example, attach a small board with two recesses for the supports 87.

In Fig. 4 sind schematisch zwei weitere Auszüge 91 und 92 auf der Seite des Druckers 23 dargestellt. Der Auszug 91 kann gleiche oder eine abgewandelte Eingabeeinheit 21 nach der bisherigen Darstellung tragen, wie dies in Fig. 5 näher dargestellt ist. Auf dem Auszug 92 läßt sich ein Telefon 93 mit einem Modem 94 unterbringen. Ein weiterer, unterhalb des Profilrahmens 3 eingehängter Auszug 95 kann beispielsweise irgendwelche Organisationsmittel 96 oder dgl. aufnehmen, z.B. ein Gegensprechgerät.4 schematically shows two further extracts 91 and 92 on the printer 23 side. The excerpt 91 can carry the same or a modified input unit 21 according to the previous illustration, as is shown in more detail in FIG. 5. A telephone 93 with a modem 94 can be accommodated on the pull-out 92. Another pull-out 95 suspended below the profile frame 3 can, for example, accommodate any organizational means 96 or the like, e.g. an intercom.

Bei versenkter, abgeschwenkter oder um 180° gewendeter Eingabeeinheit bleibt die ganze Oberseite 82 völlig eben und glatt. Sie kann in jeder Weise, etwa für Schreibzwecke, Notizen, Sortieren von Schriftstücken usw. genutzt werden wie jeder herkömmliche Schreibtisch.When the input unit is lowered, swiveled or turned through 180 °, the entire upper side 82 remains completely flat and smooth. It can be used in any way, such as for writing, notes, sorting documents, etc., like any conventional desk.

Da die Oberseite 82 normalerweise waagerecht liegt, ist es oftmals schwierig, hinreichend großen Aufblickwinkel auf den Bildschirm 20 zu ermöglichen. Aus diesem Grunde ist nach Fig. 8 die Tischplatte 2 unter einem Winkel von etwa 12° schräg gestellt. Sie kann, wie dies bei Zeichenbrettern üblich ist, mit einem unteren Randwulst 112 versehen sein, der sich wiederum als Handauflage verwenden läßt, falls die Tastatur in der Ausführung nach den Fig. 1 bis 3 auf der Oberseite der Tischplatte angebracht werden soll. Die Führung für die Eingabeeinheit 21 könnte dann entsprechend schrägt gestellt werden.Since the top 82 is normally horizontal, it is often difficult to provide a sufficiently large viewing angle on the screen 20. For this reason, according to FIG. 8, the table top 2 is inclined at an angle of approximately 12 °. It can, as is customary with drawing boards, be provided with a lower edge bead 112, which in turn can be used as a hand rest if the keyboard in the embodiment according to FIGS. 1 to 3 is to be attached to the top of the table top. The guide for the input unit 21 could then be inclined accordingly.

Um die von der Tischplatte 2 überdeckten Geräte für Wartungs-, Einrichtungs- und Reparaturzwecke leicht zugängig zu machen, kann es auch zweckmäßig sein, die Tischplatte 2, etwa in einem Gelenk 113 am Untergestell 1 zu lagern, um sie aus ihrer Schrägstellung oder auch aus ihrer Waagerechtstellung hochzuschwenken, wie dies bei Klavierdeckeln, Autohauben und dgl. üblich ist. Hierfür können Gewichtsausgleich, Stützgestänge und dgl. in bekannter Weise herangezogen werden.In order to make the devices covered by the table top 2 easily accessible for maintenance, installation and repair purposes, it can also be expedient to store the table top 2, for example in a joint 113 on the base frame 1, in order to remove it from its inclined position or also from it to swivel up their horizontal position, as is usual with piano lids, car hoods and the like. Weight compensation, support rods and the like can be used for this in a known manner.

Bei der in den Fig. 6 und 7 dargestellten Ausführung besteht das Untergestell 1 schließlich aus einem oben offenen und von der abhebbaren Tischplatte 2 abgedeckten Tischkasten 123, der lösbar auf zwei Kastenstützen 124 und 125 ruht, wie dies der Grundform älterer Büroschreibtische entspricht. Dabei ist zwar der Protokolldrucker 23 wiederum an einem Auszugsrahmen 57 angebracht, und es können auch weitere Einrichtungen wie Band- und Festplattenspeicher in den beiden Kastenstützen untergebracht werden. Grundsätzlich ist aber die für die Datenverarbeitung maßgebliche elektronische Einrichtung innerhalb des Tischkastens 123 untergebracht, dessen Innenraum etwa dem Raum zwischen Profilrahmen 3 und Tischplatte 2 der zuvor beschriebenen Ausführung entspricht.In the embodiment shown in FIGS. 6 and 7, the underframe 1 finally consists of a table box 123 which is open at the top and covered by the removable tabletop 2 and which rests releasably on two box supports 124 and 125, as corresponds to the basic form of older office desks. The log printer 23 is in turn attached to a pull-out frame 57, and other devices such as tape and hard disk storage can also be accommodated in the two box supports. Basically, however, the electronic device relevant for data processing is accommodated within the table box 123, the interior of which corresponds approximately to the space between the profile frame 3 and the table top 2 of the previously described embodiment.

Dies ist dort vor allem deshalb möglich, weil die Bildschirmeinheit 19 lediglich entsprechend der Darstellung in Fig. 3 um die hochliegende Schewnkachse verstellbar, im übrigen aber ortsfest angeordnet ist. Daher kann auch der Aufnahmeraum für die Bildschirmeinheit durch einen Gehäuseansatz 126 in Form eines Pyramidenstumpfes begrenzt werden, der aus der Bodenplatte 127 heraus nach unten ragt.This is possible there primarily because the screen unit 19 can only be adjusted about the high pivot axis as shown in FIG. 3, but is otherwise arranged in a stationary manner. The receiving space for the screen unit can therefore also be limited by a housing extension 126 in the form of a truncated pyramid, which projects downward from the base plate 127.

Während sich die Eingabeeinheit 21 grundsätzlich in der gleichen Weise hebbar anbringen läßt wie bei der erstgeschilderten Ausführung und in der gleichen Weise oder auch schräggestellt angeordnet wird, ist der Bildschirm 20 unter einem ergonomisch angemessenen Winkel schräg links zum Sitzplatz angeordnet. Auch dabei liegt zwar eine die Bildschirmeinheit überdeckende Glasplatte 177 in der Aussparung 175 in einer Winkelnut auf einem Auflagerand 76 auf. Diese Randschulter ist aber zur rechts unteren Ecke in Fig. 7 etwa innerhalb des Dreiecks 128 unterbrochen. Drückt man dort auf die Glasplatte, so schwenkt sie hoch und kann herausgehoben werden. Dies ist wichtig für Vorgänge, mit welchen sich Steuerungen durch Antasten des Bildschirmes auslösen lassen.While the input unit 21 can in principle be lifted in the same way as in the first-described embodiment and is arranged in the same way or even at an angle, the screen 20 is arranged at an ergonomically appropriate angle obliquely to the left of the seat. Here too, a glass plate 177 covering the screen unit lies in the recess 175 in an angular groove on a support edge 76. This edge shoulder is interrupted to the lower right corner in FIG. 7 approximately within the triangle 128. If you press on the glass plate there, it swings up and can be lifted out. This is important for processes with which controls can be triggered by touching the screen.

Der seitliche Rand 131 des Tischkastens 123 besteht aus einzelnen Platten, die miteinander und mit der Bodenplatte 127, etwa durch Winkelschienen oder dgl. lösbar verbunden sind. Auch zwischen einzelnen Plattenteilen geführte Leitungen sind durch lösbare Kupplungen unterbrochen. Auf diese Weise lassen sich die Einzelteile des Kastens nach der Demontage getrennt transportieren, leichter handhaben und besser vor Beschädigung schützen, soweit die Geräte nicht als Ganzes ausgebaut und getrennt verpackt werden.The lateral edge 131 of the table box 123 consists of individual plates which are detachably connected to one another and to the base plate 127, for example by angled rails or the like. Lines routed between individual plate parts are also interrupted by detachable couplings. In this way, the individual parts of the box can be transported separately after disassembly, easier to handle and better protected against damage, provided that the devices are not removed as a whole and packed separately.

Um Schäden durch elektrostatische Ladungen zu verhindern, wird die ganze Innenfläche des Tischkastens 123 einschließlich der Unterseite der Tischplatte 2 mit einer elektrisch leitenden und geerdeten Schicht überzogen. Hierzu wird in der Regel eine Metallfolie verwendet. Durch eine Kühl- oder Klimatisierungseinrichtung kann die Temperatur in diesem Raum in engen Grenzen gehalten werden. Die einfachste Ausführung ist ein Lüfter 117, die exaktere sind Peltier-Elemente 118.In order to prevent damage from electrostatic charges, the entire inner surface of the table box 123, including the underside of the table top 2, is covered with an electrically conductive and grounded layer. A metal foil is usually used for this. The temperature in this room can be kept within narrow limits by means of a cooling or air conditioning device. The simplest version is a fan 117, the more precise are Peltier elements 118.

Zweckmäßigerweise wird dem innerhalb oder außerhalb des Tischkastens anzubringenden Netzanschluß ein Strom-Spannungsstabilisator zugeordnet. Von diesem Anschluß ausgehend sollten allerdings alle elektrischen und Datenleitungen ausschließlich innerhalb des Kastens verlegt sein. Wenigstens dieser Kasten, zweckmäßigerweise der ganze Tisch wird jedoch vornehmlich aus Holz, unter Umständen auch aus Kunststoff gefertigt. Für besondere Zwecke kann jedoch auch Verwendung von Ganzmetallkästen vorteilhaft sein, wie überhaupt unterschiedliche Bestimmungen eine andere Gestaltung des ganzen Tisches oder einzelner Tischelemente erfordern können.A current-voltage stabilizer is expediently assigned to the mains connection to be fitted inside or outside the table box. Starting from this connection, however, all electrical and data lines should only be laid inside the box. At least this box, but expediently the whole table, is primarily made of wood, and possibly also of plastic. For special purposes, however, the use of all-metal boxes can also be advantageous, as different determinations can require a different design of the entire table or individual table elements.

So ist es zweckmäßig, die einzelnen Halterungen so zu gestalten, daß man dort unterschliedliche Geräte unterbringen kann, um im Zuge der technischen Entwicklung am gleichen Bildschirmtisch die nächste Elektronikgeneration anbringen kann. Eine Eingabeeinheit läßt sich mit einer Zentraleinheit zusammenfassen und kann auch dann, wenn sie um 180° wendbar vorgesehen ist, eine irgendwie geartete Höheneinstellung der Tastatur zur individuellen Anpassung an die Handauflage haben.So it is useful to design the individual brackets so that different devices can be accommodated in order to install the next generation of electronics on the same screen table in the course of technical development can. An input unit can be combined with a central unit and, even if it is provided to be rotatable through 180 °, can have a height adjustment of the keyboard of some kind for individual adaptation to the palm rest.

In Fig. 8 sind die Begrenzungslinien des im übrigen der Darstellung von Fig. 11 entsprechenden Schreibtisches in Strichpunktlinien dargestellt; in vollen Linien ausgezeichnet sind dagegen die Teile einer Zentralverriegelung 134 mit einem durch ein Zylinderschloß 135 zu betätigenden Schlüsselschalter 136, der die ganze Stromversorgung der in dem Schreibtisch angebrachten eleketrischen und elektronischen Anlage einschließlich eines Transformators steuert. Von diesem Transformator ist eine Ringleitung 137 über eine Vielzahl elektromagnetischer Riegelvorrichtungen geführt, die somit zentral ein- und ausgeschaltet werden können. Dabei halten die Riegelvorrichtungen 138, 139 die Tischplatte 2 auf dem Tischkasten 23, die Riegelvorrichtungen 141, 142 die in Fig. 8 nicht gezeigten Auszüge 57 in den Kastenstützen 124, 125 und die Riegelvorrichtungen 143 und 144 die Füllplatte 86 über der Eingabeeinheit 21 in der Ausnehmung 79. Schließlich sichert die Riegelvorrichtung 145 die Glasplatte 177 im Bereich des Dreiecks 128 gegen Hochkippen und damit Ausheben von oben.8, the boundary lines of the desk corresponding to the representation of FIG. 11 are shown in dash-dot lines; The parts of a central locking system 134, on the other hand, are marked in full lines with a key switch 136 which is actuated by a cylinder lock 135 and which controls the entire power supply of the electrical and electronic system installed in the desk, including a transformer. A ring line 137 is led from this transformer via a multiplicity of electromagnetic locking devices which can thus be switched on and off centrally. The locking devices 138, 139 hold the table top 2 on the table case 23, the locking devices 141, 142 the extracts 57 (not shown in FIG. 8) in the box supports 124, 125 and the locking devices 143 and 144 the filler plate 86 above the input unit 21 in FIG Recess 79. Finally, the locking device 145 secures the glass plate 177 in the area of the triangle 128 against tipping up and thus lifting out from above.

Zwar kann diese Glasplatte ebenso wie die Füllplatte 86 mit einer formsteifen Umrahmung aus Metall, Kunststoff oder dergleichen versehen sein, um einen formschlüssigen Eingriff eines Riegels in diese Umrahmung zu ermöglichen. Hier ist jedoch, wie auch Fig. 13 erkennen läßt, ein randdichtes, nahezu spiefreies Einpassen in die jeweilige Ausnehmung in der Tischplatte 2 vorgesehen, so daß der Riegel 146 nur die Abstützung der Glasplatte 177 zu übernehmen hat. Da die Füllplatte 86 wenigstens im Randbereich aus hinreichend festem Material bestehen kann, dürfte sich dort ein formschlüssiger Eingriff des Riegels 146 empfehlen, der die Platte auch auf ihrer Auflagefläche niederhält.It is true that this glass plate, like the filling plate 86, can be provided with a dimensionally stable frame made of metal, plastic or the like in order to enable a positive engagement of a bolt into this frame. Here, however, as can also be seen in FIG. 13, an edge-tight, almost spit-free fitting into the respective recess in the table top 2 is provided, so that the latch 146 only has to take over the support of the glass top 177. Since the filler plate 86 can consist of sufficiently strong material at least in the edge area, a positive engagement of the latch 146 should be recommended there, which also holds the plate down on its contact surface.

Auf diese Weise werden mit der Abschaltung der gesamten elektrischen Einrichtung alle Innenräume des Schreibtisches durch Betätigen des Schlüsselschalters 136 zuverlässig nach außen abgeschlossen. Damit sind auch die eingeschlossenen Geräte, deren Informationseinheiten und die gespeicherten Daten abgesichert. Der Riegel einer jeden elektromagnetischen Riegelvorrichtung wird durch Federkraft in der Auschubstellung gehalten, sichert also auch bei Stromausfall. Auch die Teile der Zentralverriegelung 134, die auf die Tischplatte oder an dieser vorgesehene Bauelemente einwirken, sollten möglichst unabhängig von der Tischplatte gehalten sein, um den Zugang nach Einschaltung zu ermöglichen.In this way, when the entire electrical device is switched off, all interior spaces of the desk are reliably closed to the outside by actuating the key switch 136. This also protects the included devices, their information units and the stored data. The bolt of each electromagnetic locking device is held in the extended position by spring force, thus securing even in the event of a power failure. The parts of the central locking system 134 which act on the table top or on components provided thereon should also be kept as independent of the table top as possible in order to enable access after switching on.

Claims (22)

1. Computer workstation having a table frame (1) covered by a raisable table-top (2), a computer (10) disposed beneath the table-top, and terminals for peripheral equipment, at least one input unit (21), one output unit (23, 20) and one visual display unit (19), a visual apparatus or respectively a display or the like, wherein at least one unit assembly (10, 21, 23) is disposed beneath the upper surface (82) of the table when not in use, and all the terminals and intermediate connections (62, 63, 65, 68) of the unit assemblies (10, 21, 23), with the exception of the table-top (2), are disposed on the table frame (1), and wherein the table-top (2) is transparent, at least over a limited area, for viewing the display screen (20) or the display, the upper surface (82) of the table-top (2) extends in a continuously flat manner, and the display screen (20) or the display is disposed beneath a transparent protective screen (77), which is fully inserted in the upper surface (82) of the table-top (2), characterised in that the display screen or the display slopes towards the viewing centre (71), at the front end (80) of the table, in order to enlarge the viewing angle, and in that the input unit (21) is mounted within or beneath a cutaway portion (79) of the table-top (2) and is coverable by a filler plate (86), which terminates flush with the upper surface (82) of the table-top (2).
2. Computer workstation according to claim 1, characterised in that the transparent protective screen, or respectively a glass plate (77), is mounted in the aperture (75) so as to be raisable therefrom.
3. Computer workstation according to claim 1, characterised by, more especially, electrically controllable adjusting means (32) for setting the inclined position of the display screen (19).
4. Computer workstation according to one of claims 1 to 3, characterised in that the display screen unit (19) is mounted so as to be rotatably adjustable about a substantially vertical axis (28).
5. Computer workstation according to one of claims 1 to 4, characterised in that the protective screen (glass panel 77) is elongate and, more especially, extends parallel to the front end (80) of the table, and in that the visual display unit (19) is provided so as to be displaceable in the longitudinal direction of the protective screen (77).
6. Computer workstation according to claim 5, characterised in that the rotary adjusting means (28, 36) and/or the pivot adjusting means (26, 31) for the visual display unit (19) is automatically controllable in dependence on its longitudinal adjusting means (16, 30) beneath the transparent protective screen (77).
7. Computer workstation according to claim 1, characterised in that the input unit (21), which is more especially a keyboard, is provided so as to be displaceable between its position of rest beneath the upper surface (82) of the table and an operational position in the region of the upper surface (82) of the table.
8. Computer workstation according to claim 1 or 7, characterised in that the filler plate (86) is retained, in a removable manner, in the cutaway portion (79) for the input unit (21) and is supported on a carrier member (46) by means of at least two supporting members (87).
9. Computer workstation according to claim 8, characterised in that the supporting members (87) are provided so as to be pivotable onto the lower surface of the filler plate (86), more especially pivotable into, and preferably lockable in, recessed portions provided therein.
10. Computer workstation according to one of claims 1 to 9, characterised in that at least one operating unit, such as input unit (21), telephone (93), modem (94) or the like, is guided on a substantially horizontally displaceable extension (91, 92) so as to be displaceable between the position of rest and the operational position.
11. Computer workstation according to claim 1 or 10, characterised in that a document printer (23), more especially having a storage box (58) for storing printing paper, is mounted on an extension (57), which is provided laterally of the seat of the operator.
12. Computer workstation according to claim 1, characterised in that the table frame (1) is formed by metal tubes having a cross-section which is, more especially, square and, at least in the upper end region, said frame is provided with guide rails (5,13), which are incorporated, more especially, in the supporting structure of the table frame, for guiding the visual display unit.
13. Computer workstation according to one of claims 1 to 12, characterised in that the table-top (2) is generally inclined in a desk-like manner, more especially at an angle of 10° to 15° relative to the horizontal.
14. Computer workstation according to one of claims 1 to 11, characterised in that the table-top (2) rests on the edge of a flat, parallelepiped box-like table construction (123), which is open at its upper end and in which the mechanical and electrical installation equipment and most of the required unit assemblies (10, 19, 21) are securely accommodated.
15. Computer workstation according to claim 14, characterised in that the box-like table construction (123) rests on two lateral box-like supporting members (124, 125), which are provided for the accommodation of additional unit assemblies (23).
16. Computer workstation according to claim 14 or 15, characterised in that the inner surface of the box-like table construction (123), and possibly the box-like supporting members (124, 125), are coated with a layer of electrically conductive material, more especially a metal foil, which is earthed in the same way as are the individual unit assemblies (10, 19,21).
17. Computer workstation according to claim 14, 15 or 16, characterised in that the interior of the box-like table construction (123), and possibly the box-like supporting members (124, 125), are provided with a ventilation arrangement which includes, for example, a fan (117).
18. Computer workstation according to claim 17, characterised in that the ventilation arrangement has at least one Peltier element (118).
19. Computer workstation according to one of claims 14 to 16, characterised in that a base plate (127) and individual lateral edge plates (131) of the box-like table construction are detachably interconnected, and the installation equipment mounted thereon is provided with detachable coupling elements.
20. Computer workstation according to one of claims 14 to 19, having a plurality of table component parts, or respectively openable closures, which are disposed so as to be detachable or displaceable relative to one another, characterised by a central locking mechanism (134) for at least some of the displaceably disposed component parts (2, 57, 86, 177).
21. Computer workstation according to claim 20, characterised in that a plurality of electromagnetic locking devices (138 to 142) are connected, at least indirectly, to a central key switch (136), which is provided, more especially, with a barrel-type safety lock (135) and actuates the entire electrical installation.
22. Computer workstation according to claim 21, characterised in that a plurality of locking devices (138-142) are connected in series to the key switch (136), or respectively to a transformer (133) connected to the output end thereof, via the intermediary of a ring circuit (137).
EP86902338A 1985-05-10 1986-04-23 Display screen table Expired - Lifetime EP0222788B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3516855 1985-05-10
DE19853516855 DE3516855A1 (en) 1985-05-10 1985-05-10 SCREEN TABLE
DE8513857U DE8513857U1 (en) 1985-05-10 1985-05-10 Screen table

Publications (2)

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EP0222788A1 EP0222788A1 (en) 1987-05-27
EP0222788B1 true EP0222788B1 (en) 1990-07-25

Family

ID=37857099

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EP86902338A Expired - Lifetime EP0222788B1 (en) 1985-05-10 1986-04-23 Display screen table

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EP (1) EP0222788B1 (en)
AT (1) ATE54806T1 (en)
DE (2) DE8513857U1 (en)
WO (1) WO1986006575A1 (en)

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Also Published As

Publication number Publication date
DE8513857U1 (en) 1987-01-22
WO1986006575A1 (en) 1986-11-20
EP0222788A1 (en) 1987-05-27
ATE54806T1 (en) 1990-08-15
DE3516855A1 (en) 1986-11-13

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