EP0627718B1 - Verfahren zur Durchführung eines drahtlosen Datenaustauschs zwischen einer Feststation und sich bewegenden Objekten, insbesondere Fahrzeugen - Google Patents
Verfahren zur Durchführung eines drahtlosen Datenaustauschs zwischen einer Feststation und sich bewegenden Objekten, insbesondere Fahrzeugen Download PDFInfo
- Publication number
- EP0627718B1 EP0627718B1 EP94107434A EP94107434A EP0627718B1 EP 0627718 B1 EP0627718 B1 EP 0627718B1 EP 94107434 A EP94107434 A EP 94107434A EP 94107434 A EP94107434 A EP 94107434A EP 0627718 B1 EP0627718 B1 EP 0627718B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- phase
- transmitting
- search area
- receiving profile
- data exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
Definitions
- the invention relates to a method for carrying out a wireless data exchange between a base station and Transceivers on board relative to the base station preferably in moving objects, in particular Vehicles, with the help of an antenna arrangement of the base station, whose transmission and / or reception profile electronically an object can be aligned.
- a process is over known from DE 41 07 803 A1.
- the query arrangement described therein is automatic Payment of toll fees listed. Every vehicle, the one Toll fee has to be paid with an automatic debit facility equipped, which is a transceiver owns.
- the transceiver is operated by one on the Toll station permanently installed transceiver activated and a dialogue is started between the two.
- the debiting facility first books the toll fee and then sends a receipt to the send / Toll station reception facility.
- This process is composed of an antenna arrangement for each of the vehicles made up of several individual antenna elements, and / or reception profile generated.
- antennas either according to one first solution antennas provided, their transmit and / or Reception profiles fixed to specified lighting areas are. In this case it must be for each lane or for each segment of a lane in which a vehicle is traveling is one Antenna. Consists of the area to be covered many lanes, so is a very complex, out of many Antennas existing arrangement required.
- the antenna arrangement consists of several phase-controlled Individual antennas that are able to moving vehicles the transmission and / or reception profiles track.
- the problem underlying the invention is thus in that for a method of the type mentioned at the beginning Determine the location information to improve, the effort possible additional technical means if possible should be low.
- the method is as mentioned in the introduction Art according to the invention characterized in that in a first phase by varying the orientation of the transmission and / or reception profile swept over a search area and is checked for response signals from objects, the Time of receipt of a response signal with the current one Setting values of the transmission and / or reception profile for location determination is correlated and that in a second phase the Sending and / or receiving profile on a in the search area regarding his / her location specific transceiver one Vehicle is fixed while data is being exchanged becomes.
- the method according to the invention is based on the fact that the location information determined with the antenna arrangement of the base station is a special search phase for the location is provided within the method according to the invention, during the actual data exchange in the subsequent second phase happens.
- Procedure in a search process for location determination and a subsequent data exchange process it is possible to Location determination in a simple manner and very quickly without one to carry out significant data exchange and data exchange then carried out specifically in the second phase, in the location of the object's transceiver is sufficiently accurate is estimated so that the transmission and / or reception profile the antenna arrangement on this object for the purpose of data exchange can be adjusted.
- the transmission and / or reception profile of the Tracking antenna arrangement during data exchange This can be done using techniques known per se, by for example, a change in the amplitude of the base station received signal during data exchange is evaluated.
- the process is already running during the search process of the object and the tracking in the second phase based on the estimated speed performed.
- the send- or reception profiles can overlap so that multiple Response signals can occur.
- the accuracy of the location determination in the search phase can be increased by the fact that the search area is and / or the reception profile of the antenna arrangement is swept several times becomes. Repeated sweeping of the search area can be done in a different way than a previous swipe take place, for example with a changed orientation of the transmission and / or reception profile, at a different speed or also because only part of the search area is swept over. This is expediently repeated Painting depending on the previous one Controlled sweep received response signals. That I the object moves during multiple searches, can also determine the direction of movement from the response signals can be estimated. This information can be advantageous for the Tracking process can be used.
- FIG. 1 The arrangement shown in Figure 1 is used to vehicles 1, which are within a given section 2 of a road move and are provided with a transceiver 3, to detect by a base station 4, the street for example spanned like a bridge and electronically with several controllable antennas 5 is provided, for example can each be assigned to one lane 6.
- the transceivers 3 of the vehicles 1 are with a Processor equipped, for example, an amount of money a check fee can be debited from a storable check card.
- each vehicle 1 must pass a control Be subjected to whether it is the mandatory toll has debited.
- base station 4 sends a radio signal, for example, a microwave signal from the transmitter the transceiver 3 of the vehicles 1 activated so that this an acknowledgment signal about the debit carried out send out.
- the base station 4 checks each individual vehicle 1 in area 2 thereupon whether an acknowledgment signal is emitted has been. If this is not the case, e.g. B. by photography the license plate of the vehicle and so that the vehicle owner can be determined so that from this the toll fee can be collected later.
- the data transmission between the vehicles 1 and the base station 4 takes place in half duplex, i.e. H. it will alternate Data from base station 4 to vehicles 1 (downlink) and transmitted in the reverse direction (uplink).
- the antennas 5 the base station 4 send the downlink during the data exchange Information (e.g. about the amount to be paid) the vehicle 1, each vehicle using its information is assigned to an identifier.
- Figure 1 illustrates that that can be detected by the antennas 5 Area 2 is divided into a search area 7 and a data exchange area 8.
- the antennas 5 sweep over those assigned to them Part of the search area 7, which is also overlapping Areas in the lanes 6 can relate and localize the transceivers 3 of vehicles 1, the are located in the search area 7. After this location the data exchange takes place in the data exchange area 8 instead, the associated antenna 5 on the respective vehicle 1 or its transceiver 3 is permanently set remains and possibly according to the movement of the vehicle 1 is tracked.
- the search process can be extremely fast be performed. It is therefore also possible to search processes to be repeated, preferably with depending on received response signals changed search strategies. Because of the determined location of a vehicle 1 or its Transceiver 3 can at least the starting position for data exchange in data exchange area 8 with sufficient Specify certainty. In many cases the data exchange can then be accomplished so quickly that the vehicle at the maximum possible speeds within the set transmission and / or reception profile the associated antenna 5 for the entire duration of the data exchange located, so it remains quasi stationary. But it is possible and advantageous for increasing reliability, the transmission and / or reception profile of the respective antenna 5 to track the vehicle 1. This is preferably with the help a speed estimated during the search process and if necessary, direction of movement of vehicle 1 possible.
- FIG. 2 shows an antenna 5, which consists of a plurality of antenna elements 9 exists. These are with a beam forming network 10 connected to which the transmission and / or reception profile the antenna 5 is adjustable.
- Transceiver 3 of a vehicle 1 are the output signals of the antenna elements 9 weighted so that the antenna 5 to the vehicle 1 for data transmission from it to the Base station 4 sets up its own main reception lobe.
- antenna elements that receive circularly polarized signals because of these single and also multiple reflected signals (e.g. reflection on the road, on your own vehicle or neighboring vehicles) are less prone to failure.
- reception profiles assigned to vehicles 1 achieved in that each reception profile of several, too a radiator group interconnected antenna elements 9 is produced. Each group of emitters then delivers a received signal.
- the antenna 5 receives signals from vehicles 1 which are in the search area 7 for this antenna 5.
- a processor 11 derives information about the instantaneous location of the individual vehicles 1 from the received signals X (t) of the individual antenna elements 9.
- the signals of the individual antenna elements 9 are weighted in the data exchange phase in the beam shaping network 10 belonging to each antenna 5 - that is, the signal phase and / or amplitude of each antenna element 9 is set such that the antenna 5 for each vehicle 1 generates such a directional diagram that a main reception lobe is directed towards the vehicle 1 in question and that the reception profile in the direction of the other, potentially disruptive vehicles 1 has the highest possible reception loss compared to the main reception lobe.
- each reception profile to be set for each antenna element 9 are hereinafter referred to collectively as a complex weight vector w (t).
- the weighting can be applied to either continuous analog or discrete-time digital antenna reception signals x (t). Accordingly, the switching means for the weighting present in each received signal value are to be implemented.
- the weightings of individual antenna reception signals x (t) can be changed continuously or only at discrete times.
- There are as many antennas 5 connected to beam shaping networks 10 as the area 2 detectable by the base station 4 can accommodate at most vehicles 1, so that each vehicle 1 can be assigned its own reception profile.
- control signals for the complex weight vectors w (t) are derived from the output signal of the receiver 13 according to a quality criterion.
- An evaluation circuit determines in connection with the processor 11 from the receiver output signal and possibly the individual signals of the antenna elements 9 z. B. the ratio of the useful signal to the interference signal power, the useful signal being the signal received by that vehicle to which the main receiving lobe should be directed, and interference signals which are signals received by other vehicles, to which areas that are attenuated as much as possible, ideally zeroing, of the reception profile should be directed.
- the processor 7 determines such complex weight vectors w (t) for the beam shaping network 10 that the main reception lobe and the strongly attenuated areas of the reception profile are aligned, which the maximum the quality signal e (t) leaves.
- the processor 11 can also receive information about the complex weight vectors w n (t) from neighboring beam shaping networks.
- FIG. 3 illustrates the search process in the search area 7, which belongs to an antenna 5.
- the circles 15 shown characterize -3 dB contours of the communication zone formed when sweeping over the search area 7 for determining the location. It can be seen that both the search area 7 and the data exchange area 8 are not strictly separated from the corresponding area of an adjacent antenna 5, from which it follows that it makes sense to also include information from the adjacent antennas 5 (and the weight vectors w n (t ) of the neighboring beam forming networks 10) must be taken into account.
- both searching and tracking in that the transmission and / or reception profile exclusively club-shaped with respect to the reception is, so that with respect to the transmission signals of the base station 4 Direction selection is required. It goes without saying it is also possible to receive non-selectively and a defined one Send profile for the search process and the data exchange process to use. Furthermore, a locally defined transmission profile as well as reception profile can be used in combination.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Finance (AREA)
- Mobile Radio Communication Systems (AREA)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
- Figur 1 -
- eine schematische Draufsicht auf Fahrzeuge mit Sende-/Empfangsgeräten, die sich einer Feststation nähern
- Figur 2 -
- ein Blockschaltbild für eine elektronisch steuerbare Antenne
- Figur 3 -
- eine schematische Darstellung des Absuchvorganges mit Hilfe einer Antenne gemäß Figur 2.
Claims (10)
- Verfahren zur Durchführung eines drahtlosen Datenaustausches zwischen einer Feststation (4) und Sende-/Empfangsgeräten (3) an Bord von sich relativ zur Feststation (4) vorzugsweise in Fahrspuren (6) bewegenden Objekten, insbesondere Fahrzeugen (1), mit Hilfe einer Antennenanordnung (5) der Feststation (4), deren Sende- und/oder Empfangsprofil elektronisch auf ein Objekt (1) ausrichtbar ist, dadurch gekennzeichnet, daß in einer ersten Phase durch eine variierende Ausrichtung des Sende- und/oder Empfangsprofils ein Absuchgebiet (7) überstrichen und auf Antwortsignale von Objekten (1) überprüft wird, wobei der Zeitpunkt des Empfangs eines Antwortsignals mit den momentanen Einstellwerten (w(t)) des Sende- und/oder Empfangsprofils zur Ortsbestimmung korreliert wird und daß in einer zweiten Phase das Sende- und/oder Empfangsprofil auf ein im Absuchgebiet (7) hinsichtlich seines Ortes bestimmtes Sende-/Empfangsgerät (3) eines Objektes (1) fixiert wird, während der Datenaustausch vorgenommen wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Sende- und/oder Empfangsprofil in der zweiten Phase dem Sende-/Empfangsgerät (3) des Objektes (1) nachgeführt wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Absuchgebiet (7) zur genaueren Bestimmung des Ortes bzw. einer Bewegungsrichtung von Sende-/Empfangsgeräten (3) von Objekten (1) mehrfach überstrichen wird.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß bei einem wiederholten Überstreichen des Absuchgebiets (7) eine veränderte Ausrichtung des Sende- und/oder Empfangsprofils benutzt wird.
- Verfahren nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß bei einem wiederholten Überstreichen das Absuchgebiet (7) nur teilweise überstrichen wird.
- Verfahren nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß ein wiederholtes Überstreichen des Absuchgebiets (7) mit einer unterschiedlichen Geschwindigkeit gegenüber dem vorherigen Überstreichen erfolgt.
- Verfahren nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, daß ein wiederholtes Überstreichen in Abhängigkeit von beim vorhergehenden Überstreichen empfangenen Antwortsignalen gesteuert wird.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß in der ersten Phase eine Abschätzung der Geschwindigkeit des ermittelten Objektes (1) vorgenommen wird.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, daß die Nachführung des Sende- und/oder Empfangsprofils in der zweiten Phase unter Verwendung der abgeschätzten Geschwindigkeit vorgenommen wird.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß in der ersten Phase auch eine Amplitude des empfangenen Antwortsignals ermittelt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4318108A DE4318108C1 (de) | 1993-06-01 | 1993-06-01 | Verfahren zur Durchführung eines drahtlosen Datenaustauschs zwischen einer Feststation und Sende-/Empfangsgeräten |
DE4318108 | 1993-06-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0627718A1 EP0627718A1 (de) | 1994-12-07 |
EP0627718B1 true EP0627718B1 (de) | 1998-08-19 |
Family
ID=6489322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94107434A Expired - Lifetime EP0627718B1 (de) | 1993-06-01 | 1994-05-13 | Verfahren zur Durchführung eines drahtlosen Datenaustauschs zwischen einer Feststation und sich bewegenden Objekten, insbesondere Fahrzeugen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5710566A (de) |
EP (1) | EP0627718B1 (de) |
JP (1) | JP3429366B2 (de) |
DE (2) | DE4318108C1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3265911B2 (ja) * | 1995-05-02 | 2002-03-18 | 株式会社デンソー | 移動体通信装置 |
DE19535441A1 (de) * | 1995-09-23 | 1997-03-27 | Bosch Gmbh Robert | Antenne einer Zentralstation eines Punkt-zu-Mehrpunkt-Richtfunksystems |
US6812824B1 (en) | 1996-10-17 | 2004-11-02 | Rf Technologies, Inc. | Method and apparatus combining a tracking system and a wireless communication system |
AU5426298A (en) | 1996-10-17 | 1998-05-11 | Pinpoint Corporation | Article tracking system |
FR2760849B1 (fr) * | 1997-03-13 | 1999-04-16 | Alsthom Cge Alcatel | Systeme de localisation de transpondeurs pour installation de telepeage autoroutier |
US5955970A (en) * | 1997-05-19 | 1999-09-21 | Denso Corporation | On-board electronic device for use in electronic toll collection system |
US6657554B1 (en) * | 1999-06-29 | 2003-12-02 | Matsushita Electric Industrial Co., Ltd. | Road antenna controlled on the basis of receiving rate |
US6278935B1 (en) | 1999-07-23 | 2001-08-21 | Navigation Technologies Corp. | Method and system for providing instructions about tollways with a navigation system |
US20040215387A1 (en) | 2002-02-14 | 2004-10-28 | Matsushita Electric Industrial Co., Ltd. | Method for transmitting location information on a digital map, apparatus for implementing the method, and traffic information provision/reception system |
JP3481168B2 (ja) | 1999-08-27 | 2003-12-22 | 松下電器産業株式会社 | デジタル地図の位置情報伝達方法 |
JP2001109989A (ja) * | 1999-10-07 | 2001-04-20 | Denso Corp | 車載装置及び無線通信システム |
WO2001095240A2 (en) | 2000-06-05 | 2001-12-13 | Transcore Holdings, Inc. | Method and apparatus to determine the direction to a transponder in a modulated backscatter communication system |
JP5041638B2 (ja) | 2000-12-08 | 2012-10-03 | パナソニック株式会社 | デジタル地図の位置情報伝達方法とそれに使用する装置 |
KR100360266B1 (ko) * | 2000-12-09 | 2002-11-09 | 엘지전자 주식회사 | 여행 정보 서비스를 위한 교통 정보 시스템 및 그의서비스 방법 |
JP4663136B2 (ja) | 2001-01-29 | 2011-03-30 | パナソニック株式会社 | デジタル地図の位置情報伝達方法と装置 |
JP4749594B2 (ja) * | 2001-04-27 | 2011-08-17 | パナソニック株式会社 | デジタル地図の位置情報伝達方法 |
JP4230132B2 (ja) | 2001-05-01 | 2009-02-25 | パナソニック株式会社 | デジタル地図の形状ベクトルの符号化方法と位置情報伝達方法とそれを実施する装置 |
EP1850302A1 (de) * | 2006-04-28 | 2007-10-31 | C.R.F. Società Consortile per Azioni | System zur Bestimmung des Fahrspurs eines Fahrzeuges entlang eines mehrspurigen Fahrweges |
US11225404B2 (en) | 2006-12-13 | 2022-01-18 | Crown Equipment Corporation | Information system for industrial vehicles |
US10600256B2 (en) * | 2006-12-13 | 2020-03-24 | Crown Equipment Corporation | Impact sensing usable with fleet management system |
CA3004234C (en) * | 2006-12-13 | 2020-09-22 | Crown Equipment Corporation | Fleet management system |
US10013815B2 (en) * | 2006-12-13 | 2018-07-03 | Crown Equipment Corporation | Information system for industrial vehicles |
US9984341B2 (en) | 2006-12-13 | 2018-05-29 | Crown Equipment Corporation | Information system for industrial vehicles including cyclical recurring vehicle information message |
EP2465090A4 (de) * | 2009-08-12 | 2014-04-23 | Crown Equip Corp | Informationssystem für gewerbliche fahrzeuge |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3474430A (en) * | 1965-03-18 | 1969-10-21 | Siemens Ag | Magnetic record medium with edge areas of polarity opposite that of center area |
NL7104407A (de) * | 1971-04-02 | 1972-10-04 | ||
US4107675A (en) * | 1977-03-04 | 1978-08-15 | Sellers John C | Transponder-responder system |
JPS55127741A (en) * | 1979-03-26 | 1980-10-02 | Nissan Motor Co Ltd | Vehicle communication unit |
US5192954A (en) * | 1981-02-13 | 1993-03-09 | Mark Iv Transportation Products Corporation | Roadway antennae |
BE1003237A5 (fr) * | 1989-06-02 | 1992-02-04 | Baets Thierry De | Systeme de taxation ou peage automatique pour vehicules routiers. |
GB2236233A (en) * | 1989-09-04 | 1991-03-27 | Philips Electronic Associated | Communicating information by radio;preventing communication overlap |
US5406275A (en) * | 1990-05-17 | 1995-04-11 | At/Comm Incorporated | Object location process and apparatus |
DE4107803A1 (de) * | 1991-03-11 | 1992-09-17 | Ant Nachrichtentech | Anordnung zum lokalisieren von objekten und zum austauschen von daten mit diesen objekten |
US5227803A (en) * | 1992-07-22 | 1993-07-13 | Hughes Aircraft Company | Transponder location and tracking system and method |
DE59308497D1 (de) * | 1992-08-28 | 1998-06-10 | Bosch Gmbh Robert | Verfahren zur Datenübertragung zwischen einer Feststation und sich bewegenden Objekten |
IT1257419B (it) * | 1992-09-03 | 1996-01-15 | Marconi Spa | Impianto e metodo di rilevamento automatico di veicoli in movimento, con interscambio di dati, in particolare con addebito automatico di pedaggi. |
US5448248A (en) * | 1993-11-22 | 1995-09-05 | United Technologies Corporation | Adaptive radio direction finding system |
-
1993
- 1993-06-01 DE DE4318108A patent/DE4318108C1/de not_active Expired - Fee Related
-
1994
- 1994-05-13 DE DE59406711T patent/DE59406711D1/de not_active Expired - Lifetime
- 1994-05-13 EP EP94107434A patent/EP0627718B1/de not_active Expired - Lifetime
- 1994-05-30 JP JP11663294A patent/JP3429366B2/ja not_active Expired - Fee Related
-
1996
- 1996-10-16 US US08/734,420 patent/US5710566A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59406711D1 (de) | 1998-09-24 |
DE4318108C1 (de) | 1995-01-05 |
JPH0750633A (ja) | 1995-02-21 |
EP0627718A1 (de) | 1994-12-07 |
JP3429366B2 (ja) | 2003-07-22 |
US5710566A (en) | 1998-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0627718B1 (de) | Verfahren zur Durchführung eines drahtlosen Datenaustauschs zwischen einer Feststation und sich bewegenden Objekten, insbesondere Fahrzeugen | |
EP0627717B1 (de) | Verfahren und Vorrichtung zur Durchführung eines drahtlosen Datenaustauschs zwischen einer Feststation und sich bewegenden Objekten | |
DE3107444C2 (de) | Hochauflösendes kohärentes Pulsradar | |
EP0575389B1 (de) | Anordnung zum lokalisieren von objekten und zum austauschen von daten mit diesen objekten | |
EP0921410A2 (de) | Verfahren zur Bestimmung der Empfangsrichtung mittels einer Gruppenantenne, Funkfeststation und Funksystem | |
DE2419542A1 (de) | Verfahren zum lokalisieren eines fahrzeuges und einrichtung zur durchfuehrung des verfahrens | |
WO2004017093A1 (de) | Sensor zum aussenden und empfangen von elektromagnetischen signalen | |
EP1149306A1 (de) | Verfahren zur erfassung von zielobjekten und zur bestimmung deren richtung für ein radargerät in einem kraftfahrzeug | |
DE69728116T2 (de) | Verfahren und Vorrichtung zum Senden und Empfangen von Information in einem Pulsradar | |
DE19737868A1 (de) | Fahrzeugpositionserfassungssystem | |
DE102006019841B3 (de) | Vorrichtung und Verfahren zur Ermittlung der Position einer Straßenwalze relativ zu einem Straßenfertiger | |
EP0578060B1 (de) | Verfahren zur Datenübertragung zwischen einer Feststation und sich bewegenden Objekten | |
EP0588045B1 (de) | Verfahren zur Datenübertragung zwischen einer Feststation und sich bewegenden Objekten | |
EP0722595B1 (de) | Transponder mit agc-regelung | |
DE19549284C2 (de) | Zugbeeinflussungseinrichtung | |
EP0591651A1 (de) | Radargerät mit synthetischer Apertur auf der Basis rotierender Antennen | |
DE2630851A1 (de) | Bezugsstation fuer ein entfernungsmessystem | |
EP0484898B1 (de) | Verfahren und Vorrichtung zur Bestimmung der relativen Ausrichtung von Fahrzeugen im Strassenverkehr | |
DE102008039527A1 (de) | Verfahren zur Ermittlung der Winkellagen von durch ein mehrstrahliges Radarsystem erfassten Objekten | |
DE4026390C1 (en) | Short wave direction finder - derives output signals for left and right rotating polarisation for comparison at same time from two different antennae | |
DE60101754T2 (de) | Telekommunikationsverfahren zur Abstandmessung zwischen mobilen Objekten | |
DE69109748T2 (de) | Verfahren zur Verbesserung der Amplitudenfrequenzcharakteristik eines Radarsystems. | |
EP0963562B1 (de) | Verfahren zur bestimmung einer bewegungsrichtung | |
EP4160935A1 (de) | Kommunikationssystem und verfahren zum betrieb eines kommunikationssystems | |
EP1398747B1 (de) | Vorrichtung zur Datenübertragung, insbesondere im Schienenverkehr |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): CH DE FR IT LI |
|
17P | Request for examination filed |
Effective date: 19950607 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
17Q | First examination report despatched |
Effective date: 19971121 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): CH DE FR IT LI |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: NV Representative=s name: SCINTILLA AG, DIREKTION Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 59406711 Country of ref document: DE Date of ref document: 19980924 |
|
ET | Fr: translation filed | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
26N | No opposition filed | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20130522 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20130604 Year of fee payment: 20 Ref country code: IT Payment date: 20130525 Year of fee payment: 20 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20130723 Year of fee payment: 20 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R071 Ref document number: 59406711 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION Effective date: 20140514 |