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EP0619039A1 - Module d'affichage pour tableaux d'affichage de grande surface se presentant sous forme matricielle. - Google Patents

Module d'affichage pour tableaux d'affichage de grande surface se presentant sous forme matricielle.

Info

Publication number
EP0619039A1
EP0619039A1 EP93922891A EP93922891A EP0619039A1 EP 0619039 A1 EP0619039 A1 EP 0619039A1 EP 93922891 A EP93922891 A EP 93922891A EP 93922891 A EP93922891 A EP 93922891A EP 0619039 A1 EP0619039 A1 EP 0619039A1
Authority
EP
European Patent Office
Prior art keywords
display
display module
module according
display elements
information carrier
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.)
Granted
Application number
EP93922891A
Other languages
German (de)
English (en)
Other versions
EP0619039B1 (fr
Inventor
Hans-Peter Henze
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.)
HESS-INDUSTRIEMONTAGEN GMBH
Original Assignee
HG DISPLAY
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 DE9214444U external-priority patent/DE9214444U1/de
Priority claimed from DE9315745U external-priority patent/DE9315745U1/de
Application filed by HG DISPLAY filed Critical HG DISPLAY
Publication of EP0619039A1 publication Critical patent/EP0619039A1/fr
Application granted granted Critical
Publication of EP0619039B1 publication Critical patent/EP0619039B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
    • G09F11/12—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by endless belts, chains, or the like
    • G09F11/14—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being carried by endless belts, chains, or the like the elements being in the form of stiff flaps, boards, cards, or the like

Definitions

  • the invention relates to a display module, in particular for matrix-shaped, large-area information display boards, with the features according to the preamble of claim 1.
  • a display device for changeable large information signs which uses an information carrier assembled into an endless band, which is divided into parallel strip-shaped display elements and by means of the driving forces on both sides in the area of the two narrow sides of the display elements transmitting means are guided over at least two deflection rollers, in which case the display elements consist of narrow slats, the means transmitting the driving forces being connected to the narrow sides of the slats and the information carrier joined together to form the endless belt being deflected several times.
  • This known display device is not only extremely complex in its technical construction and uneconomical and relatively expensive to manufacture, but also for the generally customary grid size of the front or display surface of the display element of a display module, of 15 x 15 mm, for use in matrix-shaped, large-area information display boards , completely unsuitable.
  • the invention has for its object to provide a display module of the type mentioned that eliminates the disadvantages of the known display device and that is not only simple and clear in its technical structure and its, in particular in the drive direction of the information carrier, switchable , in particular an intermittently controlled drive device, but which can also be produced, assembled and operated efficiently and economically. It is also an object of the invention to provide a simple and reliable coding for the individual information elements, which enables precise, reproducible location and display fixation of the individual information elements.
  • This display module is not only the novel chain-shaped information carrier, which is formed from individual, in particular one-piece, hinges that engage with one another, in particular made of plastic, on which the respective hinge halves are arranged in one piece , but also the simple, clear and adequately reliable electromechanical drive devices for the information carrier, which are optionally intended for use there, which lead the respective controlled display element, absolutely hysteresis-free, into the exact display position and fix them there either electromotively or by means of an electromechanically operated step switch mechanism.
  • Another advantage is the simple, clear and maintenance-free structure of the whole, the relatively simple control of the drive device by means of an, in particular optoelectronic, reading device of the coding provided on the back of the individual display elements, and the simple interchangeability of the display modules on a matrix shaped large information display board.
  • Another advantage is the proposed one-piece combination of a plurality of module housings to form a module housing unit, in particular four times adjacent to one another.
  • FIG. 1 is a perspective view of a display module
  • FIG. 2 shows a top view of an electromotive driven display module according to FIG. 1,
  • FIGS. 1 and 2 show a side view of the display module according to FIGS. 1 and 2,
  • FIG. 4 is a front view of a matrix-shaped information display panel
  • FIG. 5 is a front view of a display element
  • FIG. 6 is a plan view of the display element of FIG. 4,
  • FIG. 7 is a longitudinal sectional view through the shell of a display module, in particular with a top view of the switching mechanism,
  • FIG. 8 is a longitudinal sectional view of the bodyshell according to FIG. 7 with a sectional view of the switching mechanism
  • FIGS. 7 and 8 are views of the underside of the shell according to FIGS. 7 and 8,
  • FIGS. 7 to 9 are plan views of the shell according to FIGS. 7 to 9,
  • FIG. 11 is a cross-sectional view of the bodyshell according to FIGS. 7 to 10, in the area of the switching mechanism,
  • Fig. 12 is a cross-sectional view of the shell according to Fig. 7 to 11, in Area of the reading device of the coding,
  • FIG. 13 shows a cross-sectional view of a block of four of four display modules lying next to one another
  • FIG. 14 shows a cross-sectional view of the block of four according to FIG. 13, cut in the area of the fastening pillars,
  • FIG. 15 is a perspective view of a drive device for the information carrier provided with a stepping mechanism
  • 16 is a partial longitudinal sectional view of the switching mechanism with an electromagnetic switching mechanism reset
  • Fig. 17 is a diagrammatic partial longitudinal sectional view in the area of
  • FIG. 18 is a partial longitudinal sectional view of a reversible rear derailleur, with spring-loaded resetting of the rear derailleur,
  • FIGS. 18 and 19 show a longitudinal sectional view of the circuit board frame with a switching mechanism according to FIGS. 18 and 19,
  • Fig. 21 is a partial longitudinal sectional view of the board frame in the area of optoelectronic reading device for coding the display elements of the information carrier,
  • 22 is a longitudinal sectional view of a block of four with display modules
  • 24 is a plan view of a display module block of four installed on a mounting frame
  • 25 is a front view of a matrix-shaped information display panel made up of a plurality of blocks of four;
  • 26 is a longitudinal sectional view of a stepper motor drive
  • FIG. 27 shows a longitudinal sectional view of the raw work of a display module with a stepper motor drive according to FIG. 26.
  • the display module shown in FIG. 1 essentially consists of the endless, chain-shaped information carrier 9, which is formed from in particular twelve surface-shaped display elements 1, which are each provided with couplable hinge halves 3 and 4, respectively, for producing an articulated one Information carrier 9.
  • 12 denotes two mutually opposite, U-shaped, relatively thin-walled guide strips, which can expediently, in particular in one piece, be part of the housing 13 of the display module.
  • the guide strips 12 serve there mainly not only the position fixation of the information carrier 9, but also its longitudinal guidance.
  • 7 denotes a controllable electromechanical drive device for the information carrier 9.
  • 14 denotes the electrical connection device arranged on the back of the module, in the area of which a mechanical central fastening device 15 for the display module can also be provided.
  • illuminant 25 denotes an illuminant, in particular indirectly by means of an external light source 26, for illuminating backlighting the respective display element 1 positioned on the display side.
  • an external light source 26 instead of the illuminant 25 the colored transparent display elements 1 acted upon directly.
  • FIG. 2 shows 9 the chain-shaped information carrier, consisting of the display elements 1, which are articulated with one another via the hinge halves 3, 4.
  • 12 denotes the guide strips and 16 denotes a drive wheel which is connected to a toothed rack 11, each running in the drive direction 17, are provided on the individual display elements 1, in particular in one piece.
  • the drive wheel 16 is mounted there in a special embodiment of a drive device 7, axially displaceably on a so-called central motor-driven drive shaft 29.
  • 19 denotes a control magnet which, via a fork-shaped armature 20, engages the drive wheel 16 in accordance with the display program in engagement with the toothed racks 11 of the relevant display elements 1, for driving the information carrier 9 in such a way that the desired display element 1 with the respective front or Display page 8 precise and flat precisely to the neighboring display modules in a matrix-shaped information display panel 30, as can be seen from FIG. 4, is fixed in position
  • the central, not shown motor drive of the drive shaft 29 can be operated continuously.
  • the drive shaft 29 interacts with a plurality of display modules which are spatially arranged one above the other in a matrix-shaped information display panel 30 in accordance with the drive.
  • FIG. 5 and 6 show a display element 1.
  • 8 there denotes the flat front or display surface on which any information can be reproduced.
  • a certain color information is provided there, i.e.
  • the front or display surfaces 8 of the individual display elements 1 can be of different colors. These color differences can be created by differently colored imprints or by different colors of the display elements 1, which are made in particular of a plastic.
  • the display elements 1 can be made of a transparent material and in one piece.
  • FIG. 2 there designates the two end faces lying in the drive direction 17 of the display element 1, in the area of which hinge halves 3 and 4, partially hidden behind the front or display side 8, are arranged in one piece, for the articulated, chain-like connection of the individual display elements 1 to one another.
  • 11 denotes the toothed rack provided on the rear side 5.
  • the tooth shape of this rack 11 can, however Use of a different drive device 7 than the one shown and described in FIGS. 2 and 3 and having an electromotive intermittent operation, have a different shape than the one shown there.
  • a triangular or a sawtooth-shaped tooth shape can be used, in particular if so-called electromagnetically controlled step switching mechanisms are used as the drive device 7, as can be seen schematically from FIG. 15 or FIGS. 16 to 19 .
  • This stepping mechanism as a drive device 7 for an information carrier 9 described at the outset has the considerable advantage that the switching magnet 21 can be controlled digitally there in a relatively simple manner.
  • this drive device 7 it is sufficiently ensured that the setting of the information carrier 9 and thus of the display elements 1 is technically extremely simple and absolutely hysteresis-free, positionally precise.
  • the switch armature 22 can engage directly with the teeth 24 of the rack 11 with specially designed shift teeth 23.
  • the information carrier 9 it is also possible here for the information carrier 9 to be driven indirectly by a stepping mechanism according to FIG. 15, via a correspondingly dimensioned intermediate gear, not shown here.
  • a stepping mechanism as a drive device 7 of a chain-shaped information carrier 9 shown and described before has the further advantage that in this case no special, technically relatively complex coding with a corresponding stationary reading device, and possibly an electromechanically controllable locking device and the position of the respective module front for display seen display element 1, in the area of the back 5 of the individual display elements 1 are necessary.
  • an electromagnetically driven so-called Geneva switch gear can also be used if necessary.
  • the invention is not limited to the drive devices 7 shown and described, but it is also contemplated to drive the chain-shaped information carrier 9 in the manner of a linear motor by providing the individual display elements 1 directly with a ferromagnetic, in particular polarized, armature part.
  • armature part lying opposite one another in the area of the chain length sections 10 are advantageously acted upon by a stationary electromagnetic stator located between them.
  • This linear motor-type drive device is that a full information carrier step, both in both possible drive directions, is precisely fixed in position with a switching pulse. This could ensure that an extremely fast and economical preselection of a display element can be carried out.
  • the electrical connection guide for the display module in particular between the electrical connection device 14 on the rear side of the module and the electrical drive and control devices inside the module, is expediently provided by means of ribbon cable 28, for which recesses or impressions 27 are provided in the housing 13, as can be seen from FIG. 1.
  • the invention is not limited to the embodiment of the mutually engaging hinge halves 3 and 4 shown in FIGS. 2, 3, 5 and 6, for the articulated, endless connection of the individual display elements 1 to an information carrier 9 there the one hinge half 3 consists of blind holes, into which the other hinge half 4, which is formed from one-sided hemispherical pins, can be positively locked, counteracting one another.
  • the raw work of a display module shown in FIGS. 7 to 14 essentially consists of two bearing plates 12.1 and 12.2, which are arranged in opposite mirror-inverted relationship, in particular made of one piece of plastic, and which are provided in one piece with spacer 29 14, as can be clearly seen from FIG. 14.
  • 9 shows the chain-shaped information carrier, which in the present embodiment is formed in particular from sixteen surface-shaped display elements 1 which are each made in one piece from a plastic.
  • the individual display elements 1 are provided in one piece in a known manner with couplable hinge halves 3, 4, to form an articulated, chain-shaped information carrier 9, which is guided in the mutually opposing grooves 30 in the boards 12.1 and 12.2 such that they can be moved longitudinally 11 and 12 can be clearly seen.
  • these display elements 1 are provided on their rear side 5 in one piece with toothed racks 11, which run there in the drive direction 17.
  • a drive wheel 16 engages with the respective toothed racks 11 and is driven by an electromagnetically driven Drive device 7 is driven, which works in particular in the manner of a simple and convenient stepping mechanism, as can be seen from FIG. 15.
  • a stepping mechanism of this type has the considerable advantage that the switching magnet 21 can be controlled digitally there in a relatively simple manner.
  • this drive device 7 it is sufficiently ensured that the setting of the information carrier 9 and thus the display elements 1 is technically simple and hysteresis-free, precise in position.
  • the switch armature 22 can if necessary with specially trained switching teeth 23 directly engage with the teeth 24 of the rack 11.
  • the information carrier 9 is driven via an appropriately dimensioned intermediate gear, as shown in FIGS. 7 to 11 and 16 to 19.
  • 21 and 21.2 denotes two coaxially opposite electromagnets, the armature 21.1 and 21.22 of which is coupled to a mechanical switch armature 22.
  • 23 shows the shift teeth of the shift armature 22, which act on the teeth 31 of a shift wheel 32, in particular a tridentate, in particular comparable to an equilateral triangle, which is coaxially coupled to the drive wheel 15 in a non-positive manner.
  • the two switching magnets 21, 21.2 are actuated alternately in accordance with the control system.
  • a stroke of an armature 21.1 or 21.22 causes the switching wheel 32 to be rotated by 60 ° via the indirect switching armature 22. That with the Ratchet wheel 32 coupled drive wheel 16, which engages with the respective rack 11 of a display element 1, transports the information carrier 9 by a full 5 division, inter alia because of the transmission ratio effective there between the drive wheel 16 and the racks 11. ie width of a display element 1, further in the drive direction 17, so that the front or display side 8 of a display element 1 is sufficiently perpendicular to the longitudinal axis 33 of the display module.
  • the drive wheel 16 and the switching wheel 32 are in particular made in one piece from 10 a plastic and are mounted on a shaft 56 which is mounted between the plates 12.1 and 12.2, as shown in FIG. 11.
  • the switch armature 22 is also expediently made of a plastic. The engagement of the switch armature 22 with the respective armature 21.1, 21.22 takes place by means of the shoulder pins 34 provided there on the individual armatures 21.1, 21.22, which engage in corresponding recesses 35 of the switch armature 22, as shown in FIGS. 16 and 17.
  • circuit boards 57 denotes electrical circuit boards which are arranged on one surface of the bearing board 12.1. These circuit boards 57 serve as carriers
  • This sensor 36 in particular in the form of a reflection light barrier, is controlled by a corresponding aperture 37, in particular in the form of a blind hole.
  • the back 5 of the individual display elements 1 is arranged, as shown in FIG. 12.
  • the screen 37 is provided with a corresponding, in particular optoelectronically readable, coding, which enables individual control of the individual display elements via a corresponding external control, in particular an EDP system 1 to effect. This would ensure that the display elements 1 to be controlled in each case can be guided into the respective display position, page 8, in the shortest possible time.
  • the coding provided here can be a so-called bar code or bar code.
  • an inductive, or capacitive, or magnetically operating sensor system in particular with a Hall generator, is used.
  • the information carrier 9 with the stepping mechanism described above is only moved further in the drive direction 17 until the relevant display element 1 has reached its display position.
  • the function of the stepping mechanism of the drive device 7, which can essentially be seen from FIGS. 16 and 17, is as follows:
  • the switching wheel 32 is rotated 60 per stroke in the armature 21.1, 21.22, in the position shown there dotted.
  • the angle between 5 two tooth flanks 40, 40.1 of a tooth of the switching wheel 32 is 60 °.
  • the electromagnet 21.2 is now controlled alternately, so that the armature 21.22 of the switching armature 22 pulls in the direction of arrow 43, the switching edge 10 44 of the button 39.1 acts on the tooth flank 40.1 and the switching wheel 32 in Direction of arrow 44 rotates by a 60 ° step.
  • the drive devices 7 described above is equipped with an electromagnetic switching device of the drive direction of the switching wheel 32 which can be seen in more detail in FIG. 20 5 and which advantageously enables the information carrier 9 to be provided with a high level Reversal speed to control in the direction of arrow 41 or 43.
  • a reversing magnet 45 is provided, the armature flap 46 of which reverses the ratchet wheel 32, which is axially displaceably mounted there, by means of a control lever 47, and so the corresponding shift level of the shift armature 22 can be preselected.
  • the switch armature 22 is provided with the respective switching edges 44 with buttons 39, 39.1 arranged coaxially one behind the other and reversed.
  • 12.1 denotes a bearing plate with a spacer 29.1 indicates the display elements which are coupled to one another via the hinge halves 3, 4 to form a chain-shaped information carrier 9.
  • 11 shows the toothed racks on the rear sides of the individual display elements 1.
  • 36 designates the, in particular optoelectronic, sensor for controlling the position of the individual display elements 1.
  • FIG. 22 An arrangement of bearing boards 12.1 can be seen from FIG. 22, which are combined in one piece in particular to form a block of four.
  • This design in which any number of display modules can be combined if necessary, is extremely efficient and economical, not only in the assembly but also in the assembly of a matrix-shaped information display panel, as can be seen from FIGS. 4 and 25 is.
  • 25 denotes 48 individual blocks of four in particular.
  • 1 are display elements.
  • 8 denotes the front or display sides of the individual display modules or display elements 1.
  • 23 and 24 show a mounting plate 53 on the rear of the module arranged on the display module and releasably fastened by means of the screws 54. are required.
  • 58 designates a control board with electronic components 59.
  • the control board 58 is expediently fastened by means of plug connections 60 on the back of the mounting board 53.
  • each block of four 48 is fastened there by means of screws 54.
  • the ribbon cables 28 are soldered to the corresponding conductor tracks on the control board 58.
  • the mounting board 53 is also designed as an electrical circuit board. The electrical and mechanical connection between the boards 53 and 58 takes place by means of plug connectors 61.
  • the front sides 8 of the individual display elements 1 of the information carrier 9 are in particular trough-shaped.
  • foils are inserted into these recesses in a form-fitting and material-locking manner.
  • the dimensions of these foils do not necessarily correspond to the dimensions of the front sides 8 of the display elements 1, but can, if necessary, be square, circular or octagonal in order to thereby combine corresponding optical impressions in the entirety of a matrix-shaped display.
  • these foils inserted into the troughs are reflective, if necessary, in particular different in color.
  • 26 and 27 show a stepper motor-driven drive device 7 for display modules, which can be used for driving an information carrier 9 in only one direction.
  • 16 there designates the drive wheel, on the one hand with a pinion 50 of the rotor 51 of the Stepper motor is engaged, on the other hand, the drive wheel 16 is engaged with the respective racks 11 of the individual drive elements 1.
  • 52 denotes the stator of the stepping motor, the polarized rotor 51 of which is preferably magnetically supported relative to the stator 52 via a symmetrical air gap constriction, in particular for specifying a reproducibly required, defined rotor position and direction of rotation.
  • stepper motors in particular reversible in the direction of rotation, are also provided.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Programmable Controllers (AREA)

Abstract

L'invention concerne un module d'affichage comportant un support d'information (9) en cascade, commandé électromécaniquement, qui est constitué d'un certain nombre d'éléments d'affichage (1) plans, munis côté avant ou d'affichage (8) d'images-écrans, notamment de différentes couleurs, et côté arrière (5), d'une programmation (12) pour réguler le sens de déplacement et la position d'arrêt, à utiliser notamment dans un tableau d'affichage d'informations (13) se présentant sous forme matricielle. Les éléments d'affichage (1) individuels, notamment carrés, se trouvent dans la zone de deux faces frontales (2) qui se font face dans le sens de travail (17), et sont munis de moitiés d'articulation (3, 4), notamment monoblocs, dont chacune est partiellement recouverte par le côté avant ou d'affichage (8). Côté arrière (5) des éléments individuels d'affichage (1), un système d'entraînement (6) mécanique monobloc est prévu pour venir en contact avec un dispositif d'entraînement (7) électromécanique, et le support d'information (9) est guidé dans la zone des pièces longitudinales en cascade (10), notamment dans des rainures (30).
EP93922891A 1992-10-24 1993-10-21 Module d'affichage pour tableaux d'affichage de grande surface se presentant sous forme matricielle Expired - Lifetime EP0619039B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE9214444U 1992-10-24
DE9214444U DE9214444U1 (de) 1992-10-24 1992-10-24 Anzeigemodul, insbesondere für matrixförmige großflächige Informationsanzeigetafeln
DE9315745U DE9315745U1 (de) 1993-10-15 1993-10-15 Anzeigemodul, insbesondere für matrixförmige großflächige Informationsanzeigetafeln
DE9315745U 1993-10-15
PCT/DE1993/001008 WO1994010671A1 (fr) 1992-10-24 1993-10-21 Module d'affichage pour tableaux d'affichage de grande surface se presentant sous forme matricielle

Publications (2)

Publication Number Publication Date
EP0619039A1 true EP0619039A1 (fr) 1994-10-12
EP0619039B1 EP0619039B1 (fr) 1996-06-19

Family

ID=25960060

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93922891A Expired - Lifetime EP0619039B1 (fr) 1992-10-24 1993-10-21 Module d'affichage pour tableaux d'affichage de grande surface se presentant sous forme matricielle

Country Status (5)

Country Link
EP (1) EP0619039B1 (fr)
AU (1) AU5174693A (fr)
DE (1) DE59303018D1 (fr)
ES (1) ES2091042T3 (fr)
WO (1) WO1994010671A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19953199A1 (de) * 1999-11-05 2001-05-10 Idea Tv Ges Fuer Kommunikative Vorrichtung für die Darstellung eines Bildes, das aus mehreren Bildelementen besteht
DE102004002448A1 (de) * 2004-01-16 2005-06-02 Siemens Ag Vorrichtung zur elektrischen Kontaktierung einer in einem Kraftfahrzeug vorgesehenen Antriebseinheit mit einer Steuereinheit
CN101044538A (zh) * 2004-09-10 2007-09-26 比格沃显示有限责任公司 可变矩阵式显示装置和方法
CN105573704B (zh) * 2015-12-23 2019-10-29 西安诺瓦星云科技股份有限公司 Led显示屏配屏方法
CN105632348B (zh) * 2015-12-23 2018-11-30 西安诺瓦电子科技有限公司 Led显示屏配屏方法及装置

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Publication number Priority date Publication date Assignee Title
FR2357125A1 (fr) * 1976-06-29 1978-01-27 Legrand Sa Bloc d'entree pour portier d'immeuble
DE3412163C2 (de) * 1984-03-31 1987-03-05 Tanneberger Lichtwerbung Theodor Tanneberger, 3000 Hannover Anzeigevorrichtung für veränderbare großflächige Informationszeichen
US4827644A (en) * 1987-06-22 1989-05-09 Everbrite Electric Signs, Inc. Tambour-type sign
AU640211B2 (en) * 1991-03-20 1993-08-19 Florida Plastics Midwest, Inc Display sign having removable tambour
DE9214444U1 (de) * 1992-10-24 1992-12-17 Heß Industriemontagen GmbH, 77694 Kehl Anzeigemodul, insbesondere für matrixförmige großflächige Informationsanzeigetafeln

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9410671A1 *

Also Published As

Publication number Publication date
ES2091042T3 (es) 1996-10-16
WO1994010671A1 (fr) 1994-05-11
EP0619039B1 (fr) 1996-06-19
DE59303018D1 (de) 1996-07-25
AU5174693A (en) 1994-05-24

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