Tegui Europa Series: the modular panel and Gorrochategui's patent

Material gráfico histórico Tegui Europa 1: placa de calle con rejilla superior, tarjeteros centrales y pulsadores laterales.

The Tegui Europa Series modular panel makes it possible to examine a specific design question: how to organize nameplates, push buttons, and functional units in an assembly of combinable elements. Patent ES 2 009 616 A6, registered to Javier Gorrochategui, documents a modular architecture solution for door-entry systems.

This article focuses on that construction solution, its components, and the related technical documentation for Europa. To learn about the company’s founding, its development, and its incorporation into Legrand, see our history of Tegui: the brand’s origins and development.

The central idea: not just a panel with buttons, but an architecture that organizes the front panel, blocks, nameplates, push buttons, enclosure, and access to the interior.

Contents

The design problem: a different configuration for every entrance

The number of homes, push buttons, and nameplates varies from one building to another. The description in European publication EP0351060B1, from the same family as the Spanish patent, explains limitations of certain earlier solutions: profiles of different lengths, more complex manufacturing and storage, and arrangements that resulted in large panels when many push buttons were needed.

This does not mean that modular designs did not exist before. The document itself analyzes prior art. The contribution should be understood as a specific construction solution, not as the invention of modularity across the entire sector.

The described solution changes the logic of the assembly: repeatable blocks are joined to achieve the required configuration, with modules for nameplates, push buttons, and other units. The panel is conceived as a configurable system.

Gorrochategui’s patent: a complete modular system

The central documentary evidence is the Spanish publication ES 2 009 616 A6, “Door-entry system panel system”. Its cover identifies Javier Gorrochategui Grajirena as the proprietor and inventor, and gives the proprietor’s location as Pamplona, Navarre.

Data from the cover of the Spanish document
Data Documented information
Publication number ES 2 009 616 A6.
Application number 8802179.
Title Push-button panel system for door entry phones.
Filing July 12, 1988.
Announcement of grant and publication of the booklet October 1, 1989.
Applicant and inventor Javier Gorrochategui Grajirena.

The attribution of the invention does not depend on inferring it from the inventor’s status as founder or owner: it is explicitly stated in the document. The European publication EP0351060B1, “Control panel structure for door telephones”, also identifies Javier Gorrochategui Grajirena as the inventor and provides the technical description of that family.

Six key aspects of the described solution

Technical reading of the architecture documented in this patent family
Component Described solution Purpose or interest
Profile blocks Modular sections with openings for card holders, buttons, and other units. Build the front panel from combinable elements.
Assembly connection Longitudinal rods and intermediate pieces between blocks. Join the sections while maintaining surface continuity.
Installation housing Assemblable modular units and options for joining parallel housings. Extend the modular design to the panel support.
Interior access Side hinge between the front panel and the housing. Make it easier to access components and connections.
Card holders and buttons Blocks grouping card holders and side buttons. Concentrate calls in a compact space, as described in the stated purpose.
Multifunction spring Key return, contribution to electrical contact, and assistance with a conductor connection. Integrate several functions into a single part.

The push button’s multifunction spring

The Spanish abstract highlights the multifunction spring. The European description explains how it contributes to key return, electrical contact, and conductor connection. It also describes a self-cleaning action of the contact. This term is part of the explanation of the invention; it is not a guarantee against faults or of indefinite maintenance-free operation.

The proposal is interesting not only because a part can be replaced. Its significance lies in the architecture: the front panel, button blocks, card holders, housing, access to the interior, and connections. That is what gives the word “modular” technical substance.

What relationship can we establish between the patent and Serie Europa

The historical archive published by Tegui Distel places the appearance of Europa between 1982 and 1985. This is an editorial chronology, not a launch date substantiated by the patent or an official manufacturer chronology.

Gorrochategui’s application dates from 1988 and the Spanish publication from 1989. The Spanish cover and abstract consulted do not use the commercial name «Europa Series». The European description does not identify the system by that name either.

1982–1985: period attributed to Europa in the Tegui Distel timeline.
1988: filing of the cited Spanish application.
1989: grant announcement and publication of the Spanish brochure.
These are different kinds of information and should not be combined into a single launch date.

The patent demonstrates Gorrochategui’s specific inventive contribution to modular panels. Europa’s documentation provides another dimension to the study. It would be unwise to claim that the document alone proves he personally designed all the electronics and every version in the range.

The Europa Series is a recognizable example of Tegui’s modular approach, and Gorrochategui was the holder and inventor of a button-panel design that helps explain the technical substance of this innovation. The exact correspondence between that patent and each commercial version must be documented separately.

What modularizing a panel meant in practice

A door-entry panel brings together different functions: calling each home, identifying residents, communicating with the interior, and illuminating the labels. Video door-entry systems also include image capture. Modular design organizes functions into pieces that can be combined according to the intended configuration.

Modularity makes it possible to envision smaller or larger sets without treating each front panel as a completely unrelated piece. But this does not mean that any panel can be expanded without limits or that any module fits any support.

The cover of this article reproduces historical material bearing the name «Europa 1» and the slogan «Communication systems for the home». It shows an upper grille, central nameplates, and side buttons. This is a genuine historical image, not a reconstruction of the product or proof of its electrical configuration.

Exterior family ≠ electrical system ≠ compatibility.
A photograph helps identify the set, but does not replace its references and documentation.

Design for installation and maintenance

The possibility of configuring sets for different buildings has commercial appeal. The patent description also reveals other priorities: addressing manufacturing and storage complications and facilitating later technical access.

The side hinge allows the front panel to open to one side. The stated aim is to facilitate access to components and connections. This is not a recommendation for users to open their entrance panel, but a design feature intended for installation and maintenance work.

Identifying the individual units provides an orderly way to study the system: distinguishing the support, audio unit, push buttons, and other components. Diagnosis and the actual possibility of replacing or reassembling parts will depend on the version and its condition. The fact that a product is modular is not enough.

References for Europa supports and modules

The Tegui Distel product listings consulted include reference 0E1004, identified as a four-module support for a Europa Series modular entrance panel, and 0E1111, identified as a right-hand single push-button module with window for that series.

These examples show the persistence of a naming system for supports and modules in the store catalog. They do not, on their own, confirm stock, current production, or compatibility across all generations.

Components of the documented conventional configuration

The technical manual preserved under the title “Europa Series Conventional Door Entry System” is internally identified as “4+n Conventional Door Entry System.” It defines n as the number of homes and covers installations with one door, two doors, and one door with a concierge.

This document makes it possible to study a conventional configuration. It does not date the series’ introduction or establish the authorship of all its versions. The patent and the manual complement each other, but are not interchangeable as sources.

Components of the one-door example, page 2 of the manual
Component Documented reference
Audio unit 090021, EGF-21.
Electronic-call telephone 374200, T-71E.
Buzzer-call telephone 374210, T-71Z.
Power supply 090634, E-34.
Entrance panel configuration Flush-mount box, support, push-button modules, and audio unit module.

The call can be electronic or buzzer-based. For electronic calls, monotonal and tritonal options are described. The manual also explains call confirmation at the entrance panel: when pressed, the call is heard in the home and at the entrance.

Two doors: the E-53 selector

Pages 4 and 5 incorporate the E-53 audio selector, reference 090653. The manual distinguishes two modes: as an automatic switch, a call from the other entrance panel can cut off the existing communication; as an automatic selector, the other entrance panel is temporarily out of service.

For the second case, the “BUSY” indicator, reference 0E5506, is specified, along with configurable communication times of 30, 60, or 90 seconds. The document states that a nameplate holder must be reserved for the label: an operational decision affects the visible layout.

Concierge and system layout

Pages 6 to 8 describe the PC 091040 concierge module and two E-34 power supplies. They cover calls between apartments and the concierge, visitor assistance, and call transfer between the entrance panel and apartment. A key, buttons, and LED indicators are used to manage its service modes.

The system is not just about increasing the number of buttons: it also determines who receives calls and how communication is established.

Accessories, maintenance, and expansion

Page 10 brings together configurations with an additional door release, automatic activation, an auxiliary push button, and call repetition. References include 090256, 0E5557, the ERL-1 repeater 0E5556, and the E-30 power supply 090630 for one configuration with an independent door release. These are options with specific requirements, not standard features on every handset.

Page 11 allows up to three handsets in parallel on the same call and specifies conductor sizing requirements. The limit should not be considered separately from these requirements or interpreted as a straightforward expansion option for every installation.

On page 9, the maintenance section distinguishes calling, audio in each direction, lighting, and door release, and separates individual faults from system-wide issues. A working call does not prove that the audio is working properly.

Europa 300, 400 and 500: documentation for different systems

Tegui’s official archive includes a “Technical Manual for the Europa 300, 400 and 500 Series Electronic Door Entry System” and another manual dedicated to the video door entry system for these series. The latter’s introduction mentions conventional, digital, and simplified solutions. A product range name alone does not identify the technology installed.

The official documentation for the 300/400/500 door entry system includes the technical manual for the two-wire digital door entry system. Its introduction describes a two-wire bus common to all handsets. It also explains identification using DIP switch coding, communication privacy, and timing.

Configurations shown in the cited documents, not replacement equivalences
Appearance Conventional 4+n Legacy two-wire digital
Document Submitted conventional manual, pages 2–11. Introduction to the official digital manual, chapter 5.
Architecture described 4+n distribution; n is the number of dwellings. Two-wire bus shared by the telephones.
Call Electronic or buzzer call and corresponding telephones. Coded telephones; call by push button or numerical code, depending on the panel.
Communication One entrance, two entrances, and concierge service with their specific equipment. Communication privacy and programmable communication and answer delay times.
What to check Speech unit, power supply, terminals, and the exact conventional wiring diagram. Digital equipment, coding, and the exact wiring diagram.

Two wires do not mean universal compatibility. The historical digital system described here should not automatically be equated with every current two-wire system. Neither the number of wires nor the appearance of the front panel is enough to choose a replacement.

The comparison does not assign all technologies to each 300, 400, or 500 model, nor does it establish equivalences between components. Simplified system wiring requires its own specific documentation.

You can consult Tegui's official archive of Europa 300, 400, and 500 manuals. The date they were published on the website is not used as the products' launch date.

How to document a Europa panel before carrying out any work

  1. Note the visible reference numbers and names without dismantling or handling connections.
  2. Have the installer identify the speech unit, power supply, telephones, and shared components.
  3. Distinguish between one entrance, multiple entrances, and concierge service.
  4. Consult the diagram for the specific version, not one chosen solely because it looks similar.
  5. Check compatibility, dimensions, and availability separately before choosing a replacement.

Measurements and connections are for qualified personnel. This article does not recommend moving jumpers, applying test power, or reproducing diagrams based on wire colors.

The technical contribution documented by the components

Europe's appeal lies in the platform concept: a panel assembled from components whose functions can be studied individually. Gorrochategui's patent shows how modular flexibility can be put into practice through choices of profiles, blocks, housings, connections, and push buttons.

The strongest documentary claim is that he was the applicant and inventor of a patented modular panel solution for automatic door-entry systems. Recognizing this achievement does not require attributing every aspect of every product to him or claiming a worldwide first that we have not documented.

The value of this study lies in moving from the commercial name to the structure: how the assembly is organized and how access to its interior is provided for. The full company history is covered on the brand history page linked at the beginning.

Documentary sources

References 0E1004 and 0E1111 have been checked against their identification in the Tegui Distel catalog, without claiming availability or equivalence. The cover is historical Europa 1 graphic material preserved by the store, not a recreation.

Documentary article, not installation instructions or an assessment of the patent's current legal validity. It does not establish an exhaustive correspondence between the invention and every European commercial version, nor confirm current prices, stock, or compatibility.