DE4311385C2 - Identification card - Google Patents
Identification cardInfo
- Publication number
- DE4311385C2 DE4311385C2 DE4311385A DE4311385A DE4311385C2 DE 4311385 C2 DE4311385 C2 DE 4311385C2 DE 4311385 A DE4311385 A DE 4311385A DE 4311385 A DE4311385 A DE 4311385A DE 4311385 C2 DE4311385 C2 DE 4311385C2
- Authority
- DE
- Germany
- Prior art keywords
- identification card
- data exchange
- light
- card
- incidence
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
- G06K19/07318—Means for preventing undesired reading or writing from or onto record carriers by hindering electromagnetic reading or writing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
- G06K19/0702—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery
- G06K19/0704—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management the arrangement including a battery the battery being rechargeable, e.g. solar batteries
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0716—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
- G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
- G06K19/07345—Means for preventing undesired reading or writing from or onto record carriers by activating or deactivating at least a part of the circuit on the record carrier, e.g. ON/OFF switches
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/29—Individual registration on entry or exit involving the use of a pass the pass containing active electronic elements, e.g. smartcards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electromagnetism (AREA)
- Credit Cards Or The Like (AREA)
Description
Die vorliegende Erfindung betrifft eine Identifikationskarte nach dem Oberbegriff des Patentanspruchs 1.The present invention relates to a Identification card according to the preamble of the claim 1.
In letzter Zeit werden in zunehmender Zahl Zugangskontrollen verlangt, welche den Zutritt zu bestimmten Gebäuden oder Abteilungen erst freigeben, wenn die Berechtigung dazu mittels einer Identifizierungskarte nachgewiesen wird.Lately there have been increasing numbers Access controls require which to determine access Only release buildings or departments if the authorization is proven by means of an identification card.
Dies geschieht bisher mit Magnet- oder Chipkarten, die in ein Lesegerät eingeschoben werden.So far, this has been done with magnetic or chip cards that are in a reader can be inserted.
Eine derartige Chipkarte ist aus der DE 38 04 618 A1 bekannt, wobei diese Chipkarte mehrere integrierte, mikroelektronische Bauelemente aufweist. Zur Stromversorgung dieser elektronischen Bauelemente ist vorzugsweise eine Solarzelleneinheit vorgesehen, die sich ebenfalls auf der Chipkarte befindet. Zur Kommunikation mit externen Peripheriegeräten ist auf der Chipkarte eine kontaktgebundene Schnittstelle vorhanden.Such a chip card is from DE 38 04 618 A1 known, this chip card several integrated, has microelectronic components. For power supply of these electronic components is preferably one Provided solar cell unit, which is also on the Smart card is located. For communication with external Peripherals is a contact-based device on the chip card Interface available.
Neuerdings gibt es auch Karten, die auf Abstand gelesen werden können, d. h. sie senden optisch oder meist drahtlos über Funk die Kennung des betreffenden Berechtigten. Recently there are also cards that are read at a distance can be d. H. they send optically or mostly wirelessly the identification of the person concerned by radio.
Bei diesen aktiven Chipkarten bestehen nach wie vor Probleme:These active chip cards still exist Problems:
- 1. Die zu überbrückenden Entfernungen sind kaum erreichbar, wenn man nicht batteriebetriebene Geräte einsetzt.1. The distances to be bridged are hardly attainable if you are not using battery powered devices starts.
- 2. Um den Leistungsverbrauch klein zu halten, erfordern solche Batteriegeräte einen Handschalter, der die Aussendung der Kennung einleitet, oder einen Empfänger, welcher ein Signal der Türsperre aufnimmt und dann die Kennung ausstrahlt.2. To keep power consumption low, require such battery devices a hand switch that the Initiates sending of the identifier, or a recipient, which receives a signal from the door lock and then the Identifier broadcasts.
- 3. Eine dauernde Ausstrahlung der Kennung, aber schon eine dauernd bestehende Möglichkeit des Abrufes verletzt unter Umständen den Persönlichkeitsschutz des Trägers eines solchen Gerätes.3. A permanent broadcast of the identifier, but already one permanently existing possibility of access violated possibly the protection of the wearer's personality of such a device.
- 4. Schließlich ist die Wartung (Batterie aufladen usw.) solcher Geräte aufwendig und störend.4. Finally, maintenance (battery charging, etc.) such devices complex and disruptive.
Die der Erfindung zugrundeliegende Aufgabe besteht darin, eine Identifikationskarte derart weiterzubilden, daß ein vom Benutzer nicht erwünschter Datenaustausch auf Distanz sicher verhindert werden kann, wogegen ein Datenaustausch in einem Schreib-/Lesegerät nicht beeinflußt werden soll.The object underlying the invention is to further develop an identification card such that a Users unwanted data exchange at a distance safely can be prevented, whereas data exchange in one Read / write device should not be influenced.
Zur Lösung der gestellten Aufgabe wird erfindungsgemäß eine Identifikationskarte vorgeschlagen, die dadurch gekennzeichnet ist, daß in der Karte ein optischer Sensor integriert ist, der nur bei Lichteinfall einen Datenaustausch auf Distanz ermöglicht und ohne Lichteinfall den Datenaustausch blockiert, sowie mit und ohne Lichteinfall einen Datenaustausch in einem Schreib-/Lesegerät erlaubt.To solve the problem, the invention proposed an identification card by doing so is marked that in the card an optical sensor is integrated, which only exchanges data in the event of light enables data exchange at a distance and without incidence of light blocked, as well as data exchange with and without incidence of light allowed in a read / write device.
Das kann dadurch geschehen, daß erst bei Lichteinfall die Funktionen des Chips arbeiten oder zumindest erst dann das drahtlose Aussenden von Kennungen freigegeben wird.This can be done in that the Functions of the chip work or at least only then that wireless transmission of identifiers is released.
Steckt man eine solche Karte in die Tasche, erhält sie kein Licht und die Karte bleibt "stumm".If you put such a card in your pocket, you get it no light and the card remains "silent".
Will man damit Türen öffnen, genügt es, sie am Rockaufschlag zu tragen, wie dies bei den meisten Identitätsausweisen üblich ist. Ein Schalter oder andere Betätigungsmittel sind nicht erforderlich.If you want to open doors with it, it is sufficient to open them on Wear a skirt, like most ID cards are common. A switch or another Actuators are not required.
Wählt man erfindungsgemäß Licht-Energiewandler, z. B. Solarzellen, als Sensoren, kann man eine wesentlich bessere Sendeleistung einer solchen Karte erzielen, indem man die von den Solarzellen erzeugte elektrische Energie dem Datenaustausch-System zur Erhöhung der Sendeleistung zuführt.According to the invention, light energy converters are chosen, e.g. B. Solar cells, as sensors, can be a much better one Achieve the transmission power of such a card by using the electrical energy generated by the solar cells Data exchange system to increase the transmission power.
Im übrigen kann eine erfindungsgemäße Identifikationskarte mit allen sonst gebräuchlichen Einrichtungen ausgerüstet sein, die dual den Datenaustausch mit Schreib-/Lesegeräten über Kontakte und/oder kontaktlos und/oder magnetisch gestatten.Otherwise, an identification card according to the invention be equipped with all other common facilities, dual via the data exchange with read / write devices Allow contacts and / or contactless and / or magnetic.
Diese Ausstattung macht die Karte für eine multifunktionale Benutzung geeignet, sei es als Parkschein, Kantinenkarte oder für andere Bereiche. This equipment makes the card for one suitable for multifunctional use, be it as a parking ticket, Canteen card or for other areas.
Fig. 1 zeigt schematisch eine erfindungsgemäße Chipkarte (1) mit einem Speicherchip (4), z. B. einen Mikroprozessor-Chip, der mit einer Solarzelle (3) verbunden ist. Eine Spule (7) dient z. B. als Antenne zur Aufnahme von eingestrahlter Energie und von Daten einer Türsperre (9). Eine Spule (8) dient zur Ausstrahlung von Kenndaten an die Türsperre (9). Fig. 1 shows schematically an inventive chip card ( 1 ) with a memory chip ( 4 ), for. B. a microprocessor chip connected to a solar cell ( 3 ). A coil ( 7 ) serves z. B. as an antenna for receiving radiated energy and data of a door lock ( 9 ). A coil ( 8 ) is used to transmit characteristic data to the door lock ( 9 ).
Die Antennenanordnung kann beliebig in bekannter Art variiert werden und ist zur Lösung der Erfindungsaufgabe ohne Bedeutung.The antenna arrangement can be of any type known can be varied and is to solve the invention problem without Meaning.
Es könnte sogar nur eine einzige kombinierte Sende- /Empfangsantenne vorgesehen werden, die vielleicht sogar in dem Chip (4) integriert ist.In fact, only a single combined transmit / receive antenna could be provided, which may even be integrated in the chip ( 4 ).
Wesentlich ist jedoch die Funktion der Solarzelle. Die Schaltung des Chips (4) kann so ausgelegt sein, daß ohne Lichteinstrahlung nur eine Schreib-/Lesefunktion in einem Schreib-/Lesegerät möglich ist. Aber bei zusätzlicher Energiezufuhr über die Solarzelle (3) reicht die Sendeleistung der Karte (1) für einen Abstandsbetrieb.However, the function of the solar cell is essential. The circuit of the chip ( 4 ) can be designed such that only a read / write function in a read / write device is possible without light irradiation. But with additional energy supply via the solar cell ( 3 ), the transmission power of the card ( 1 ) is sufficient for distance operation.
Fig. 2 zeigt ein Ausführungsbeispiel, welches nicht nur den Gebrauch als Identifikationskarte gestattet, sondern eine multifunktionale Anwendung, z. B. als Telefonkarte oder Kredit- und Cash-Karte. In dem Beispiel wurden auch die bisherigen Normempfehlungen berücksichtigt. Es ist ein Chip (4) mit Kontaktfeld (6) vorgesehen, dessen Lage den Normen entspricht. Fig. 2 shows an embodiment which not only allows use as an identification card, but a multifunctional application, for. B. as a phone card or credit and cash card. The previous standard recommendations were also taken into account in the example. A chip ( 4 ) with a contact field ( 6 ) is provided, the position of which corresponds to the standards.
Die Antennenspule (10) ist als Sende-/Empfangsspule gedacht und liegt beispielsweise neben dem Kontaktfeld (6) und die Solarzelle (3) liegt in dem Bereich, wo auf der Rückseite der Karte (1) der Magnetbelag (5) für das Fixieren von magnetisch aufgebrachten Informationen vorgesehen ist.The antenna coil ( 10 ) is intended as a transmit / receive coil and is, for example, next to the contact field ( 6 ) and the solar cell ( 3 ) is in the area where the magnetic coating ( 5 ) for fixing is on the back of the card ( 1 ) magnetically applied information is provided.
Auch ein normgemäßes Schriftfeld (2) ist vorgesehen.A standard text field ( 2 ) is also provided.
Eine solche Karte (1), wie in Fig. 2 schematisch dargestellt, kann in der Tat alle Anforderungen erfüllen:Such a card ( 1 ), as shown schematically in FIG. 2, can indeed meet all requirements:
- - sie ist in allen Arten von Schreib-/Lesegeräten mit oder ohne Kontaktierung oder magnetisch kompatibel und dual benützbar,- It is in all types of read / write devices with or without contacting or magnetically compatible and dual usable,
- - sie ist kontaktlos auch Abstand funktionsfähig,- it is functional without contact, even at a distance,
- - sie benötigt keine Batterie,- it doesn't need a battery,
- - sie benötigt keine Schaltkontakte,- it does not need any switching contacts,
- - sie ist dennoch "stumm"-schaltbar,- it is still "mute",
- - sie kann normgerecht gestaltet werden.- It can be designed in accordance with standards.
Die Möglichkeit, alle Arten von Schreib-/Lesegeräten dual verwenden zu können, erleichtert die Einführung der Erfindung wesentlich.Possibility to dual all types of read / write devices To be able to use, facilitates the introduction of the invention essential.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4311385A DE4311385C2 (en) | 1993-04-07 | 1993-04-07 | Identification card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4311385A DE4311385C2 (en) | 1993-04-07 | 1993-04-07 | Identification card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4311385A1 DE4311385A1 (en) | 1994-10-13 |
| DE4311385C2 true DE4311385C2 (en) | 1998-05-20 |
Family
ID=6484932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4311385A Expired - Fee Related DE4311385C2 (en) | 1993-04-07 | 1993-04-07 | Identification card |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE4311385C2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19601358C2 (en) * | 1995-01-20 | 2000-01-27 | Fraunhofer Ges Forschung | Integrated circuit paper |
| DE29519669U1 (en) * | 1995-12-12 | 1996-03-07 | Sokymat Identifikations Komponenten GmbH, 51429 Bergisch Gladbach | Data carrier element, in particular in the form of a prepaid card or the like. |
| DE19616130A1 (en) * | 1996-04-11 | 1997-10-16 | Michael Schulz | Delivery handling method e.g. for parcels |
| DE19723272A1 (en) * | 1996-06-04 | 1997-12-11 | Orga Kartensysteme Gmbh | Electronic chip card with microcomputer |
| DE19623561A1 (en) * | 1996-06-13 | 1997-12-18 | Bosch Gmbh Robert | Mobile user interface |
| DE19703742A1 (en) * | 1997-02-03 | 1998-08-06 | Holzer Walter Prof Dr H C Ing | Reloadable cash card with signalling device |
| GB2410151A (en) * | 2004-01-15 | 2005-07-20 | Rf Tags Ltd | A radio frequency identification tag with means sensitive to light for controlling communication between rfid tag and reader |
| US20060005050A1 (en) | 2004-06-10 | 2006-01-05 | Supercom Ltd. | Tamper-free and forgery-proof passport and methods for providing same |
| BRPI0512287A (en) * | 2004-06-10 | 2008-03-04 | On Track Innovations Ltd | smart personal identification, personal identification processing system, document information reader, smart core, smart passport, smart passport fraud and forgery proof method, method to prevent reading a smart passport |
| AT502682B1 (en) * | 2006-08-07 | 2007-05-15 | Evva Werke | Access control device for door, has lock and key with power supply including thin-film solar cell, which is fitted at area of key and/or part electrically connected to lock, or below energy-transmissive area of lock, key and/or part |
| EP2564422B1 (en) | 2010-04-28 | 2018-08-01 | Nokia Technologies Oy | Producing electrical power with solar cell arrangement |
| PL438127A1 (en) | 2021-06-11 | 2022-12-12 | Tenvirk Spółka Z Ograniczoną Odpowiedzialnością | Method of short-range data transmission between a portable electronic device for storage and short-range data transmission and another device of this type or a stationary device, and a portable electronic device for storage and short-range data transmission |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1251138A1 (en) * | 1984-12-27 | 1986-08-15 | Рижское Ордена Ленина Производственное Объединение "Вэф" Им.В.И.Ленина | Identification chart |
| DE3636414A1 (en) * | 1986-10-25 | 1988-05-05 | Messerschmitt Boelkow Blohm | CONTROL SYSTEM FOR IDENTIFYING PERSONS AND OBJECTS |
| DE3804618A1 (en) * | 1988-02-13 | 1989-08-24 | Klaus Lindenschmidt | Programmable smart card |
| DE3935364C1 (en) * | 1989-10-24 | 1990-08-23 | Angewandte Digital Elektronik Gmbh, 2051 Brunstorf, De | |
| DE3929879A1 (en) * | 1988-09-11 | 1990-09-06 | Farmont Parkautomatik | Multifunctional security parking card - includes finger-pressure actuated radio transmitter alarm sender |
| DE4107452C1 (en) * | 1991-03-08 | 1992-07-23 | Orga Kartensysteme Gmbh, 6072 Dreieich, De |
-
1993
- 1993-04-07 DE DE4311385A patent/DE4311385C2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1251138A1 (en) * | 1984-12-27 | 1986-08-15 | Рижское Ордена Ленина Производственное Объединение "Вэф" Им.В.И.Ленина | Identification chart |
| DE3636414A1 (en) * | 1986-10-25 | 1988-05-05 | Messerschmitt Boelkow Blohm | CONTROL SYSTEM FOR IDENTIFYING PERSONS AND OBJECTS |
| DE3804618A1 (en) * | 1988-02-13 | 1989-08-24 | Klaus Lindenschmidt | Programmable smart card |
| DE3929879A1 (en) * | 1988-09-11 | 1990-09-06 | Farmont Parkautomatik | Multifunctional security parking card - includes finger-pressure actuated radio transmitter alarm sender |
| DE3935364C1 (en) * | 1989-10-24 | 1990-08-23 | Angewandte Digital Elektronik Gmbh, 2051 Brunstorf, De | |
| DE4107452C1 (en) * | 1991-03-08 | 1992-07-23 | Orga Kartensysteme Gmbh, 6072 Dreieich, De |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4311385A1 (en) | 1994-10-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |