WO1999039066A1 - Systeme de verrouillage pour vehicule automobile a code evolutif et identification - Google Patents
Systeme de verrouillage pour vehicule automobile a code evolutif et identification Download PDFInfo
- Publication number
- WO1999039066A1 WO1999039066A1 PCT/EP1999/000520 EP9900520W WO9939066A1 WO 1999039066 A1 WO1999039066 A1 WO 1999039066A1 EP 9900520 W EP9900520 W EP 9900520W WO 9939066 A1 WO9939066 A1 WO 9939066A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- code
- identification
- key
- locking
- keyword
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
-
- 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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
-
- 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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/00206—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier being hand operated
- G07C2009/00214—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier being hand operated by one push button
-
- 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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/0023—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks with encription of the transmittted data signal
-
- 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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/00238—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed
- G07C2009/00246—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed periodically, e.g. after a time period
-
- 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
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
-
- 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
- G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
- G07C2209/06—Involving synchronization or resynchronization between transmitter and receiver; reordering of codes
Definitions
- Locking system for motor vehicles with evolving code and identification
- the present invention relates to a system for locking the doors of a motor vehicle, and more particularly to such a system comprising a remote control with an evolving code which may require resynchronization between transmitter and receiver.
- the prior art is known, for example from the patent
- US 4,825,210 a remote control locking system using an evolving code.
- the main problem encountered in these systems is the desynchronization between the sequence of codes transmitted by the transmitter and the sequence of codes expected by the receiver.
- the document cited above proposes, to resolve this problem, to compare the code received with a first list of codes known as the capture sequence, and if the code received belongs to this list, to immediately unlock the doors. If the code received does not belong to this first list, it is compared to an extended list called synchronization sequence, and we await the reception of a second code, immediately following in the sequence to confirm the authorization of unlock, and resynchronize the receiver to the transmitter sequence.
- a locking system for a motor vehicle comprising a device for locking / unlocking the doors of the vehicle adapted to receive a door locking / unlocking code and to control unlocking if the code received corresponds to an expected code, said code being of the evolving type composed from a first keyword 2 basic and a second pseudo-random keyword; an identification device and at least one key comprising on the one hand a remote control transmitter suitable for transmitting to the vehicle door control device a code for locking / unlocking the doors, on the other hand an identification responder adapted for transmitting an identification code of the key in response to a request from the identification device.
- the control device upon reception of a door locking / unlocking code not corresponding to the expected code, memorizes the code received and updates its image of the second keyword as a function of the code received. if the identification device confirms a positive identification of the key.
- the update is only authorized if the confirmation of a positive identification of the key occurs within a predetermined period of time after the reception of the locking / unlocking code.
- control device calculates the image of the second keyword by partial inversion of the code received as a function of the first basic keyword.
- control device determines the image of the second keyword by searching for the code received in a list of codes established from the basic keyword and a sequence of the second possible keywords.
- the locking / unlocking code comprises a header for public identification of the key distinct from the identification code and the control device memorizes the code received only if this header corresponds to one of the authorized keys.
- FIG. 1 represents a functional diagram of the system according to the invention
- FIG. 2 represents the format of a transmitted code.
- a vehicle 1 which is equipped with a door locking / unlocking control device 10 conventionally comprising a remote control receiver, a decoder adapted to compare a received code with an expected code and means for controlling motors or actuators operating the vehicle door locks. These means, well known in the prior art, will not be detailed further and 3 are not shown explicitly in the drawing.
- the vehicle 1 is also equipped with an identification device 20, possibly forming part of a vehicle immobilization device.
- the control device 10 and the identification device 20 are interconnected by a communication bus B.
- FIG. 1 also shows a key 30, equipped on the one hand with a remote control transmitter 31, controlled by a switch 33 and powered by a battery 34, and on the other hand an identification responder 32.
- the driver presses the switch 33, which induces the remote control transmitter 31 to transmit an unlocking code Ci to the locking control device 10.
- This transmission can be carried out by the 'Intermediate electromagnetic waves in radio frequencies, or by emission of infrared radiation.
- the code Ci issued is of the evolving type, that is to say that successive codes are different from each other.
- This code is conventionally produced by combining, by an algorithm f, a first basic keyword Cb with a second pseudo-random keyword Ni.
- This second keyword is generally developed from the number of presses on the switch 33 from an initialization step in which the control device 10 and the remote control transmitter 31 have been programmed with the same basic keyword.
- control device 10 receives an unlocking code Ci, it compares it with an expected code, developed by the same algorithm f, from the basic keyword Cb and the current image N'i of the second keyword it holds. If the code received corresponds to the expected code, the vehicle doors are unlocked.
- the image of the second key word held by the remote control transmitter 31 can be modified and the code Ci sent no longer corresponds to the code expected by the control device 10.
- the control device 10 stores the unlocking code Ci received, but does not control the unlocking of the doors.
- the user is then led to mechanically unlock the doors by means of the mechanical part of the key and to insert the key into the contact barrel of the vehicle in order to start the engine.
- This action then triggers a key identification process by means of an identification device 20, known as such.
- the identification device 20 sends an identification request by means of a magnetic coupling loop, request to which the identification responder 32 4 placed in the key responds by modulating the magnetic field emitted according to an identification code Xp.
- This identification code is compared with a reference code programmed in the identification device 20, to authorize the engine to start in the event of a match.
- the identification device 20 transmits via the bus B, to the locking control device a confirmation that the key presented is indeed an authorized key.
- the control device 10 uses the unlocking code Ci received and stored to update its image of the second keyword Ni.
- this update is carried out by calculating the value of the second keyword from the code Ci received and from the basic keyword Cb.
- the algorithm f for encryption of the code is at least partially invertible, that is to say that there is an algorithm f N "1 which makes it possible to obtain the value of Ni knowing Ci and Cb.
- the updating of the second keyword can be carried out, by analogy with the prior art, by searching for the code received Ci in a list of possible codes developed by means of the algorithm f of encryption from of the basic keyword Cb and of a sequence of the second possible keywords Ni.
- the search for the value of Ni allowing the code Ci received to be obtained is only operated when the key has been identified positively, and after the user has entered the vehicle, which considerably reduces the computation time and memory space requirements.
- a search relating to the codes following the expected code (case of desynchronization linked to numerous pressures beyond the reach of the control device 10) can be followed by a search around the codes likely to be obtained with probable values of the second keyword during a reset linked to a battery change.
- the locking system according to the invention can be further improved by introducing certain additional checks before authorizing the update of the 5 second keyword by the control device 10.
- a maximum delay can be introduced between the reception of an unrecognized Ci code and the confirmation of the identity of the key in order to prevent a code issued at destination from another vehicle in the vicinity does not disturb the operation of the system by triggering an update process when the authorized user presents himself a little later.
- the unlocking code Ci may include a header ID for public identification of the key, corresponding for example to a serial number of the key.
- a list of authorized keys can then be stored in the control device 10, which will only react if the code Ci received includes an ID header corresponding to one of the keys in the list.
- This identification header stored in a non-volatile memory of the remote control transmitter 31, will not be affected by a possible reset linked to a battery change. Of course, it will differ from the identification code Xp of the identification responder which must remain secret.
- the locking system described above is not limited by the resynchronization technique exposed. It can be advantageously combined with the autonomous resynchronization method described in the preamble, in cases where it is satisfactory, and retain the characteristic of the association of the memorization of an unlocking code not recognized by the control device. lock 10, with the positive identification of the key by the identification device 20 in special cases (battery change for example) where the autonomous resynchronization is faulty.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69922345T DE69922345T2 (de) | 1998-01-29 | 1999-01-26 | Rollierendes code-verriegelungssystem für ein kraftfahrzeug und identifikation |
EP99907432A EP1051556B1 (fr) | 1998-01-29 | 1999-01-26 | Systeme de verrouillage pour vehicule automobile a code evolutif et identification |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR98/00982 | 1998-01-29 | ||
FR9800982A FR2774121B1 (fr) | 1998-01-29 | 1998-01-29 | Systeme de verrouillage pour vehicule automobile a code evolutif et identification |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999039066A1 true WO1999039066A1 (fr) | 1999-08-05 |
Family
ID=9522322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1999/000520 WO1999039066A1 (fr) | 1998-01-29 | 1999-01-26 | Systeme de verrouillage pour vehicule automobile a code evolutif et identification |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1051556B1 (fr) |
KR (1) | KR100591471B1 (fr) |
DE (1) | DE69922345T2 (fr) |
ES (1) | ES2234242T3 (fr) |
FR (1) | FR2774121B1 (fr) |
WO (1) | WO1999039066A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103835579A (zh) * | 2013-08-30 | 2014-06-04 | 苏州众显电子科技有限公司 | 一种带电量警示灯智能感应钥匙 |
US9670694B2 (en) | 2007-04-12 | 2017-06-06 | Utc Fire & Security Americas Corporation, Inc. | Restricted range lockbox, access device and methods |
CN111080857A (zh) * | 2019-12-30 | 2020-04-28 | 华人运通(上海)云计算科技有限公司 | 车辆数字钥匙管理使用方法、装置、移动终端及存储介质 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT501291B8 (de) * | 2005-02-09 | 2007-02-15 | Evva Werke | Schlüssel |
US10124765B2 (en) | 2016-12-20 | 2018-11-13 | Ford Global Technologies, Llc | Keypad master code |
DE102018002157A1 (de) * | 2018-03-16 | 2019-09-19 | Zf Active Safety Gmbh | Vorrichtung und Verfahren zur verschlüsselten Übertragung eines digitalen Steuersignals von einem Kraftfahrzeugschlüssel an ein Kraftfahrzeug |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2051442A (en) | 1979-03-30 | 1981-01-14 | Howard J A | A security system |
US4738334A (en) | 1985-10-11 | 1988-04-19 | Bayerische Motoren Werke, Ag | Security installation for motor vehicles |
US4825210A (en) | 1986-08-12 | 1989-04-25 | Siemens Aktiengesellschaft | Electronic locking system having a lock and a method for re-synchronization |
EP0711892A1 (fr) * | 1994-11-11 | 1996-05-15 | Bayerische Motoren Werke Aktiengesellschaft | Procédé destiné à synchroniser deux unités conversationnelles sur un signal codé dans une installation de verrouillage d'un véhicule à moteur |
DE19533191A1 (de) * | 1995-09-08 | 1997-03-13 | Kiekert Ag | Verfahren zum Neueinrichten einer Zentralverriegelungsanlage eines Kraftfahrzeuges mit einer Fernbetätigungseinrichtung |
FR2738587A1 (fr) * | 1995-09-08 | 1997-03-14 | Kiekert Ag | Procede de commande d'un dispositif de fermeture pour un vehicule automobile, muni d'un systeme de commande a distance ainsi que d'un transpondeur |
DE19607017A1 (de) * | 1996-02-24 | 1997-08-28 | Daimler Benz Ag | Fernbedienungseinrichtung und Betriebsverfahren hierfür, insbesondere zur Ansteuerung von kraftfahrzeugbezogenen Einrichtungen |
-
1998
- 1998-01-29 FR FR9800982A patent/FR2774121B1/fr not_active Expired - Fee Related
-
1999
- 1999-01-26 KR KR1020007008306A patent/KR100591471B1/ko not_active IP Right Cessation
- 1999-01-26 ES ES99907432T patent/ES2234242T3/es not_active Expired - Lifetime
- 1999-01-26 DE DE69922345T patent/DE69922345T2/de not_active Expired - Lifetime
- 1999-01-26 EP EP99907432A patent/EP1051556B1/fr not_active Expired - Lifetime
- 1999-01-26 WO PCT/EP1999/000520 patent/WO1999039066A1/fr active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2051442A (en) | 1979-03-30 | 1981-01-14 | Howard J A | A security system |
US4738334A (en) | 1985-10-11 | 1988-04-19 | Bayerische Motoren Werke, Ag | Security installation for motor vehicles |
US4825210A (en) | 1986-08-12 | 1989-04-25 | Siemens Aktiengesellschaft | Electronic locking system having a lock and a method for re-synchronization |
EP0711892A1 (fr) * | 1994-11-11 | 1996-05-15 | Bayerische Motoren Werke Aktiengesellschaft | Procédé destiné à synchroniser deux unités conversationnelles sur un signal codé dans une installation de verrouillage d'un véhicule à moteur |
DE19533191A1 (de) * | 1995-09-08 | 1997-03-13 | Kiekert Ag | Verfahren zum Neueinrichten einer Zentralverriegelungsanlage eines Kraftfahrzeuges mit einer Fernbetätigungseinrichtung |
FR2738587A1 (fr) * | 1995-09-08 | 1997-03-14 | Kiekert Ag | Procede de commande d'un dispositif de fermeture pour un vehicule automobile, muni d'un systeme de commande a distance ainsi que d'un transpondeur |
DE19607017A1 (de) * | 1996-02-24 | 1997-08-28 | Daimler Benz Ag | Fernbedienungseinrichtung und Betriebsverfahren hierfür, insbesondere zur Ansteuerung von kraftfahrzeugbezogenen Einrichtungen |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9670694B2 (en) | 2007-04-12 | 2017-06-06 | Utc Fire & Security Americas Corporation, Inc. | Restricted range lockbox, access device and methods |
CN103835579A (zh) * | 2013-08-30 | 2014-06-04 | 苏州众显电子科技有限公司 | 一种带电量警示灯智能感应钥匙 |
CN111080857A (zh) * | 2019-12-30 | 2020-04-28 | 华人运通(上海)云计算科技有限公司 | 车辆数字钥匙管理使用方法、装置、移动终端及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
FR2774121A1 (fr) | 1999-07-30 |
DE69922345T2 (de) | 2005-05-12 |
ES2234242T3 (es) | 2005-06-16 |
EP1051556A1 (fr) | 2000-11-15 |
FR2774121B1 (fr) | 2000-04-07 |
KR100591471B1 (ko) | 2006-06-20 |
EP1051556B1 (fr) | 2004-12-01 |
KR20010034480A (ko) | 2001-04-25 |
DE69922345D1 (de) | 2005-01-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1587044B1 (fr) | Procédé de transmission d'informations entre objets bidirectionnels | |
EP2621769B1 (fr) | Procédé d'appairage d'un téléphone mobile avec un véhicule automobile et ensemble de verrouillage/déverrouillage | |
FR2723759A1 (fr) | Dispositif de fermeture pour un vehicule automobile, muni d'un systeme de commande a distance ainsi que d'un transpondeur | |
EP2903867B1 (fr) | Systeme de protection d'un vehicule automobile | |
FR2767764A1 (fr) | Procede d'initialisation d'un systeme antivol pour vehicule automobile | |
FR2858347A1 (fr) | Procede permettant de confirmer une autorisation de verrouiller et de deverrouiller et/ou d'utiliser un objet et dispositif de securite | |
KR20000070871A (ko) | 차량 도난 방지 시스템용 코드 신호 송신기 | |
FR2609086A1 (fr) | Dispositif a code modifiable de protection contre le vol pour vehicules automobiles | |
EP2720199A1 (fr) | Procédé sécurisé de commande d'ouverture de dispositifs de serrure à partir de messages mettant en oeuvre un cryptage symétrique | |
FR2733954A1 (fr) | Procede pour faire fonctionner un dispositif antivol de vehicule automobile | |
FR3084495A1 (fr) | Système passif d’entrée sans clé | |
FR3084198A1 (fr) | Procede de gestion des moyens de verrouillage d’ouvrants et de demarrage d’un vehicule terrestre a moteur ainsi qu’un vehicule terrestre a moteur associe. | |
FR3076970A1 (fr) | Procédé de commande de l'accès à un véhicule et système de commande de l'accès à un véhicule | |
EP1051556B1 (fr) | Systeme de verrouillage pour vehicule automobile a code evolutif et identification | |
EP1362753A1 (fr) | Commande d'un système d'accès et/ou de démarrage d'un véhicule automobile dans une zone de perturbation de fréquences | |
FR2774120A1 (fr) | Systeme de verrouillage pour vehicule automobile a code evolutif et identification | |
FR2751293A1 (fr) | Dispositif antivol pour motocycle et casque de protection motocycliste | |
FR2774960A1 (fr) | Systeme antivol pour vehicule automobile et procede d'initialisation de ce systeme antivol | |
FR2995490A1 (fr) | Procede de communication en champs proche, entre un dispositif mobile et un vehicule automobile et dispositif correspondant | |
EP1299608A1 (fr) | Procede securise de gestion du fonctionnement d'un appareil par un utilisateur et le materiel pour la mise en oeuvre du procede | |
EP0582523A1 (fr) | Système d'antivol électronique pour véhicule à moteur | |
FR2858592A1 (fr) | Systeme pour demarrer un vehicule motorise | |
FR2738588A1 (fr) | Procede de reinitialisation d'une installation de verrouillage centralise d'un vehicule automobile avec un dispositif de commande a distance | |
WO2022064109A1 (fr) | Système de stationnement sécurisé et partagé pour véhicules à au moins une roue, et procédé de déverrouillage d'un cadenas d'un équipement de verrouillage et de déverrouillage d'un tel véhicule | |
FR2797727A1 (fr) | Dispositif d'identification d'habilitation et de declenchement/mise en disponibilite d'une action, notamment pour vehicule automobile |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1999907432 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020007008306 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 1999907432 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09626314 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1020007008306 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 1999907432 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 1020007008306 Country of ref document: KR |