EP0840185B1 - Genaue Datierung eines Vorfalls erlaubendes Kommunikationsverfahren und Vorrichtung dazu - Google Patents

Genaue Datierung eines Vorfalls erlaubendes Kommunikationsverfahren und Vorrichtung dazu Download PDF

Info

Publication number
EP0840185B1
EP0840185B1 EP19970410116 EP97410116A EP0840185B1 EP 0840185 B1 EP0840185 B1 EP 0840185B1 EP 19970410116 EP19970410116 EP 19970410116 EP 97410116 A EP97410116 A EP 97410116A EP 0840185 B1 EP0840185 B1 EP 0840185B1
Authority
EP
European Patent Office
Prior art keywords
communication
time
frame
station
information
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
Application number
EP19970410116
Other languages
English (en)
French (fr)
Other versions
EP0840185A1 (de
Inventor
Luc Weynachter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP0840185A1 publication Critical patent/EP0840185A1/de
Application granted granted Critical
Publication of EP0840185B1 publication Critical patent/EP0840185B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G7/00—Synchronisation

Definitions

  • Known communication devices include a central and stations connected to the central by a communication network. Communication stations send to the central of information frames concerning, for example, the state of electrical devices associated with said stations.
  • the central unit processes the information frames in the order of arrival. But, for some applications, it is necessary to date the information received by the frames.
  • a clock is connected to the central unit to provide the date and time.
  • the central unit then combines information representative of particular events received by the frames and time information provided by the clock.
  • the two types of information associated data are processed and then, for example, stored in storage devices or display.
  • the event information is associated with information timetables when they are received by the central.
  • this type of dating is not not very precise. Indeed, a fairly significant time may elapse between the moment when a event occurs at a station and the time the information is dated in the Central.
  • the object of the invention is a different communication device and method allowing a precise dating of events.
  • a communication device according to the invention is defined in claim 1.
  • the means for transmitting first means of communication of the power station provide, to the first means of determination, a signal representative of the transmission of a frame.
  • the first correction means provide the information processing means with information dated according to hourly information values provided by frames received by the means of reception of the first means of communication increased by first delay values provided by the first determination means.
  • the central unit includes storage means connected to the first means of determining delays.
  • the means for receiving the second means of communication of the station provide, to the second means of determination, a signal representative of reception of a frame.
  • the second correction means correct hourly information values, of frames provided by the reception means of the second communication means, depending on second delay values provided by the second determination means, values time information being increased by values representative of said second values delay.
  • the station includes processing means providing a frame comprising event information associated with schedule information, connected to the means of management of local time, event detection means and means transmission of the second means of communication.
  • a method according to the invention is defined in claim 9.
  • the communication device of FIG. 1 comprises a central unit 1, a clock 2 connected to the central, an information processing device 3, a first and a second communication network 4 and 5 respectively, stations 6a, 6b and 6c connected to the first network 4 and stations 7a, 7b and 7c connected to the second network 5.
  • the control unit 1 communicates with the stations and receives representative information events detected by said stations.
  • the information is dated in the central then supplied to the processing device 3.
  • the device 3 allows, in particular, to memorize or record dated information.
  • Clock 2 provides the center with time information to date the events received by the central. This time information includes day and time information. They will be considered as the absolute time of the communication device.
  • said station When an event is detected by a station, said station sends a frame comprising information representative of the event.
  • the frame is received by the central processing unit the frames and date the information representative of events. Then the information dated are transmitted to the processing device 3.
  • This method of dating events is sufficient as long as the accuracy of the dating is not not critical. Indeed, a significant delay may elapse between the appearance of an event and the time of the dating of this event.
  • stations whose events must be precisely dated, include a management system of a local time.
  • This local time management device allows you to date an event as soon as it is detected by the station.
  • the station produces a frame comprising a information representative of the detected event and time information provided by the local time management system.
  • the frame, sent by the station is received and processed by the central. Then the information dated by the station is transferred to the device 3 of treatment.
  • the local time management system in the station avoids the problems of dating caused by the transmission time of the frame in the station and by the time frame reception and processing in the central.
  • the central unit clock and local time management devices must be synchronized. This synchronization is done by the transmission of frames containing synchronization time information. These frames are sent by the central to stations incorporating local time management devices.
  • the processing of frames in the central unit delays the sending of said frame to the stations. Through therefore, the value of the frame time information is different from the absolute time of the clock when the frame is sent.
  • the problem of delay due to treatment is also present in the stations. Indeed, a time information frame received by a station is processed before being used by example to synchronize the local time management device. The treatment carried out in the station induces an additional delay which also affects the time information conveyed by the frame.
  • the processing times for sending and receiving hourly information frames from synchronization can also affect the accuracy of dating events if this dating must be very precise.
  • Figure 2 shows a diagram of a communication device, according to a mode of realization of the invention, allowing very precise dating of events.
  • the central unit 1 comprises a first circuit 8 for processing the transmission of frames and a first frame reception processing circuit 9 connected to a communication network 4, a first calculation module 10 connected to circuit 8 and to the clock 2, a storage circuit 11 connected to the calculation module 10, and a first correction module 12 connected to the calculation module 10 and to the circuit 9 for processing reception.
  • a station 6d also shown in FIG. 2, comprises a second circuit 13 of frame reception processing and a second frame transmission processing circuit 14 connected to network 4, a second calculation module 15 connected to second circuit 13, a second correction module 16 connected to circuit 13 and to calculation module 15, a local time management device 17 connected to the second correction module 16, and a event processing circuit 18 connected to the management device 17 and to the second transmission processing circuit 14.
  • the event processing circuit 18 of the station 6d is connected to an event detector 19d associated with the station 6d.
  • a second station 6e is connected to network 4 and a second detector 19th is associated with the second station 6th.
  • clock 2 sends, to transmission processing circuit 8 and to module 10 for calculation, a time transmission signal 20 comprising absolute time information CK1.
  • the processing circuit 8 processes the time information CK1 and sends a frame comprising this information.
  • the circuit 8 provides the module 10 with a signal 21 representative of the end of processing of the transmission of the frame comprising a hourly information.
  • the module 10 calculates a delay value EC1 representative of the delay between the instants of appearance of signals 20 and 21.
  • a signal 22 representative of the delay value EC1 is supplied to the storage circuit 11 to save the EC1 value.
  • the frame containing the time information sent by the central unit is received by the stations 6d and 6th.
  • the second circuit 13 for processing the frame reception provides the calculation module 15 with a signal 23 representative of the frame reception and a signal 24 comprising the time information CK1 after processing the reception of the frame.
  • the calculation module 15 calculates a delay value EC2 representative of the delay between the instants of appearance of signals 23 and 24.
  • a signal 25 representative of the delay value EC2 and signal 24 are supplied to the correction module 16.
  • the correction module 16 corrects the value of the hourly information CK1 supplied by the signal 24 to provide a signal 26 representative of a specific local time CKL1.
  • the correction consists in particular of adding the value EC2, representative of the delay of processing on reception of the frame, at the value of the hourly information received CK1. So, the value of local time is, at the time of correction, substantially equal to the sum values representative of the absolute time CK1 and of the duration of the delay EC2.
  • the signal 26 representative of the instantaneous value of the local time is supplied to the device 17 local time management.
  • the local time value is then synchronized in function of the absolute time value sent by the central unit and corrected by the module 16.
  • the device 17 includes a local clock which provides a local time CKL1 synchronized with the absolute time CK1 provided by the Central. This local time can however be offset from the absolute time, by a value equal to the value of the EC1 central unit processing time.
  • the event detector 19d When the event detector 19d detects an EVST1 event, it provides a signal 27 representative of said event at the processing circuit 18.
  • the management device 17 provides at circuit 18 a signal representative of the local time at which the event occurs.
  • the processing circuit 18 provides a frame signal comprising information representative of the event and information representative of local time CKL1 at which the event occurred.
  • the transmission of the frame is then processed by the second circuit 14 for processing the transmission of frames which sends the frame on the network 4.
  • the frame sent by circuit 14 of the station is received by the central.
  • the first circuit 9 frame reception processing provides, to the first connection module 12, a signal 30 representative of event information and hourly hourly information local.
  • the correction module 12 corrects the value of the local time CKL1 of the frame in as a function of the EC1 value for delay in processing the central unit's transmission. This value delay is supplied to module 12 by calculation module 10 or by the storage 11.
  • the correction of the local time of the frame consists, in particular, in adding the value of the delay to the value representative of local time.
  • Information representative of the event and the corrected time at which the event is detected are supplied to the information processing device 3.
  • information schedule can have the following format: day, hour, minute, second, millisecond.
  • FIG. 3 shows a flowchart for sending a frame by a central unit 1.
  • a request to send a synchronization frame comprising a value CK1 absolute time is required.
  • the processing of the transmission of the frame is made.
  • the frame is sent and an end signal emission processing is provided.
  • a calculation of a delay EC1 is made.
  • the value of the delay EC1 is stored.
  • a flowchart for receiving a frame by a station is shown in Figure 4.
  • the reception of a frame begins with a step 36 at an instant t3.
  • the treatment of reception of the frame comprising time information CK1 is carried out during a step 37.
  • the end of processing of the frame is detected.
  • a calculation of a delay EC2 is carried out.
  • a local time CKL1 is calculated, it corresponds approximately to the sum of the hourly information CK1 and EC2 delay.
  • the calculated value of the local time is loaded for synchronize the local time of the station with the absolute time of the central.
  • This method of receiving the station avoids the effects caused by the delay produced by the frame reception processing.
  • the correction is done directly in the single phase station.
  • FIG. 5 A flow diagram for sending a frame by a station is shown in Figure 5.
  • an EVST event is detected at a local time CKLST.
  • a processing is carried out to produce a frame comprising information concerning the event and hourly information representative of the local time at which the event occurred.
  • the frame is transmitted, during a step 44.
  • Frame reception by the control panel is represented by a flowchart in Figure 6.
  • a a step 45 the central unit processes the reception of a frame comprising information EVST event and CKLST local time information.
  • the control unit corrects the value of the hourly information for local time to date the event in absolute time.
  • the event is dated as if the time of appearance of the event was supplied directly by the clock associated with the central unit.
  • the central unit sends the information processing device a EVST event information dated in absolute time CKAEV.
  • This method of receiving the central unit overcomes the effects of the delay produced by the transmission of a frame by the central.
  • the correction is done in two phases.
  • a first phase consists in determining the delay in transmission and a second phase consists in correcting the time information of the frames received by the central unit as a function of the delay in transmission.
  • the accuracy of the dating events can be of the order of lms.
  • This communication device is particularly well suited to installation surveillance communication networks.
  • stations are associated with circuit breakers and where the detectors events are linked to trip units or auxiliary contacts.
  • a precise dating of events makes it easy to identify the place and time appearance of electrical faults.
  • the control unit 1 can communicate with the stations through several different networks.
  • a diagram of a communication network comprising a central unit communicating through two networks are shown in Figure 7.
  • the central unit 1 comprises two first processing circuits 8a and 8b of the transmission of frames connected respectively to networks 4 and 5, and two first frame reception processing circuits 9a and 9b also connected to the networks respectively 4 and 5.
  • a station 6f is connected to network 4 and a station 7d is connected to the network 5.
  • the clock 2 sends to circuits 8a, 8b and to module 10 CK1 time information in absolute time.
  • Each circuit 8a, 8b processes the transmission of a frame comprising time information CK1. Then, the circuits 8a and 8b supply the module 10 with signals 2 respectively. and 21b when their respective frame is sent.
  • Module 10 calculates delays EC1 and EC2 due to the respective processing of the two circuits 8a and 8b, then stores them in the storage circuit 11.
  • circuit 9a When receiving frames from network 4, circuit 9a processes reception and sends a signal 30a comprising event information and time information local.
  • the correction module 12 corrects the time of the event in absolute time in function of the delay value EC1 determined during the synchronization phase. Then, the module 12 provides the device 3 with the information of the event dated in absolute time.
  • circuit 9b processes the reception of frames from network 5 and provides at module 12 a signal 30b comprising event and local time information.
  • the module 12 corrects the time of the event according to the EC2 delay previously determined then provides the device 3 with the information of the event dated in absolute time.
  • the clock 2 is represented next to the central unit, but it is obvious that this clock can be integrated into the central unit or remote far from the power plant.
  • the sending of synchronization frames can be triggered manually by a user or preferably automatically by the central.
  • the frequency of these frames can be, for example, predetermined and regular.
  • circuits and modules described above in the communication device can be separate or preferably integrated in the same microcontroller or microprocessor. Of even, functions of said circuits and modules can be realized in a form programmed operating with a microprocessor.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
  • Electric Clocks (AREA)

Claims (10)

  1. Kommunikationseinrichtung, die
    eine Kommunikationszentrale (1) mit ersten Kommunikationsmitteln (8, 9, 8a, 9a, 8b, 9b) zur Übertragung von Informationsblöcken mit Zeitinformationen,
    mindestens ein, an die ersten Kommunikationsmittel der Zentrale angeschlossenes Kommunikationsnetz (4, 5),
    mindestens eine Station (6a-6f, 7a-7d) mit lokalen Uhrzeitführungsmitteln sowie an das Kommunikationsnetz und an die genannten lokalen Uhrzeitführungsmittel angeschlossenen zweiten Kommunikationsmitteln (13, 14) zur Übertragung von Informationsblöcken mit Ereignisinformationen und Zeitinformationen,
    eine an die ersten Kommunikationsmittel der Zentrale (1) angeschlossene und ein Zeitinformationssignal (20) liefernde Zeituhr (2) sowie
    an die Zentrale (1) angeschlossene Informationsverarbeitungsmittel (3) umfaßt,
    wobei die Zentrale
    an die Zeituhr sowie an Sendemittel (8, 8a, 8b) der ersten Kommunikationsmittel der Zentrale (1) angeschlossene erste Mittel (10) zur Bestimmung von durch die Verarbeitung erster Informationsblöcke mit ersten Zeitinformationen in den ersten Kommunikationsmitteln (8, 9, 8a, 9a, 8b, 9b) der Zentrale (1) entstehenden Verzögerungen,
    sowie an die ersten Bestimmungsmittel (10) und an die Informationsverarbeitungsmittel (3) angeschlossene erste Korrekturmittel (12) zur Korrektur der in zweiten Informationsblöcken enthaltenen zweiten Zeitinformationen umfaßt,
    dadurch gekennzeichnet, daß
    die genannten ersten Zeitinformationen Synchronisier-Zeitinformationen sind,
    die genannten ersten Verzögerungsbestimmungsmittel (10) dazu dienen, einen in der Zentrale (1) verwendeten Verzögerungswert (EC1) zu bestimmen, und
    die genannten ersten Korrekturmittel (12) darüber hinaus an Empfangsmittel (9, 9a, 9b) der ersten Kommunikationsmittel angeschlossen sind und dazu dienen, die in den genannten zweiten Informationsblöcken enthaltenen, eine lokale Uhrzeit des Auftretens eines Ereignisses abbildenden, genannten zweiten Zeitinformationen in Abhängigkeit vom Verzögerungswert (EC1) in der Zentrale zu korrigieren, wobei die genannten Zeitinformationen von mindestens einer Station (6a-6f, 7a-7d) ausgesendet und von der Zentrale (1) empfangen werden.
  2. Kommunikationseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Sendemittel (8, 8a, 8b) der ersten Kommunikationsmittel der Zentrale ein, die Aussendung eines Informationsblocks abbildendes Signal (21, 21a, 21b) an die ersten Bestimmungsmittel (10) liefern.
  3. Kommunikationseinrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die ersten Korrekturmittel (12) Informationen an die Informationsverarbeitungsmittel (3) liefern, deren Zeitstempelung sich aus der Addition der Zeitinformationswerte der von den Empfangsmitteln (9, 9a, 9b) der ersten Kommunikationsmittel empfangenen Informationsblöcke und der von den ersten Bestimmungsmitteln (10) gelieferten Verzögerungswerte ergibt.
  4. Kommunikationseinrichtung nach irgendeinem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Zentrale an die ersten Verzögerungsbestimmungsmittel (10) angeschlossene Speichermittel (11) umfaßt.
  5. Kommunikationseinrichtung nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß mindestens eine Station
    an Empfangsmittel (13) der zweiten Kommunikationsmittel der Station angeschlossene zweite Mittel (15) zur Bestimmung von durch die zweiten Kommunikationsmittel der Station verursachten Verzögerungen, sowie
    an die zweiten Bestimmungsmittel (15), die zweiten Empfangsmittel (13) der zweiten Kommunikationsmittel der Station und an lokale Uhrzeitführungsmittel (17) der Station angeschlossene zweite Korrekturmittel (16) umfaßt.
  6. Kommunikationseinrichtung nach Anspruch 5, dadurch gekennzeichnet, daß die Empfangsmittel (13) der zweiten Kommunikationsmittel der Station ein, den Empfang eines Informationsblocks abbildendes Signal (23) an die zweiten Bestimmungsmittel (15) liefern.
  7. Kommunikationseinrichtung nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, daß die zweiten Korrekturmittel (16) in den von den Empfangsmitteln der zweiten Kommunikationsmittel gelieferten Informationsblöcken enthaltene Zeitinformationswerte in Abhängigkeit von zweiten Verzögerungswerten korrigieren, die von den zweiten Bestimmungsmitteln geliefert werden, wobei die Zeitinformationswerte um Werte erhöht werden, die die genannten zweiten Verzögerungswerte abbilden.
  8. Kommunikationseinrichtung nach irgendeinem der Ansprüche 5 bis 7, dadurch gekennzeichnet, daß die Station an die lokalen Uhrzeitführungsmittel (17), an Ereigniserfassungsmittel (19d, 19e) sowie an Sendemittel (14) der zweiten Kommunikationsmittel angeschlossene Verarbeitungsmittel (18) umfaßt, die einen Informationsblock mit Ereignisinformationen und diesen zugeordneten Zeitinformationen liefern.
  9. Verfahren zur Kommunikation zwischen einer Kommunikationszentrale (1) und mindestens einer Station (6a-6f, 7a-7d) der Kommunikationseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß es
    einen Schritt (31) zur Anforderung der Aussendung eines ersten Informationsblocks mit einer darin enthaltenen ersten Synchronisier-Zeitinformation in der Zentrale,
    einen Schritt (32) zur Sendeverarbeitung des ersten Informationsblocks,
    einen Schritt (34) zur Bestimmung der Sendeverarbeitungsdauer (EC1) des ersten Informationsblocks,
    einen Schritt (35) zur Speicherung des Werts der Sendeverarbeitungsdauer (EC1) des ersten Informationsblocks in der Zentrale,
    einen Schritt (45) zum Empfang eines zweiten Informationsblocks in der Zentrale, der von einer Station ausgesandt wurde und eine Ereignisinformation sowie eine Zeitinformation enthält, die eine lokale Uhrzeit der genannten Station abbildet,
    sowie einen Schritt (46) zur Korrektur der zweiten Zeitinformation in Abhängigkeit von dem während der Speicherphase in der Zentrale abgespeicherten Wert der Sendeverarbeitungsdauer des ersten Informationsblocks umfaßt.
  10. Kommunikationsverfahren nach Anspruch 9, dadurch gekennzeichnet, daß es
    einen Schritt (36) zur Erfassung des Empfangs des ersten Informationsblocks mit einer darin enthaltenen Zeitinformation in einer Station,
    einen Schritt (37, 38) zur Empfangsverarbeitung des ersten Informationsblocks,
    einen Schritt (39) zur Bestimmung der Empfangsverarbeitungsdauer (EC2) des ersten Informationsblocks,
    einen Schritt (40) zur Korrektur des Zeitinformationswerts des ersten Informationsblocks in Abhängigkeit vom Wert der Empfangsverarbeitungsdauer des ersten Informationsblocks,
    einen Schritt (41) zum Laden des korrigierten Wertes der Zeitinformation in ein lokales Uhrzeitführungssystem,
    einen Schritt (42) zur Erfassung eines Ereignisses (EVST),
    einen Schritt (43) zur Erzeugung des zweiten Informationsblocks mit einer darin enthaltenen Ereignisinformation sowie einer lokalen Uhrzeitinformation in der Station
    und einen Schritt (44) zur Aussendung des genannten zweiten Informationsblocks durch die Station an die Zentrale umfaßt.
EP19970410116 1996-11-05 1997-10-17 Genaue Datierung eines Vorfalls erlaubendes Kommunikationsverfahren und Vorrichtung dazu Expired - Lifetime EP0840185B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9613701 1996-11-05
FR9613701A FR2755557B1 (fr) 1996-11-05 1996-11-05 Dispositif et procede de communication permettant une datation precise d'evenements

Publications (2)

Publication Number Publication Date
EP0840185A1 EP0840185A1 (de) 1998-05-06
EP0840185B1 true EP0840185B1 (de) 2002-04-10

Family

ID=9497489

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970410116 Expired - Lifetime EP0840185B1 (de) 1996-11-05 1997-10-17 Genaue Datierung eines Vorfalls erlaubendes Kommunikationsverfahren und Vorrichtung dazu

Country Status (3)

Country Link
EP (1) EP0840185B1 (de)
DE (1) DE69711806T2 (de)
FR (1) FR2755557B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10113260B4 (de) 2001-03-16 2005-10-20 Siemens Ag Synchrones, getaktetes Kommunikationssystem mit Relativuhr und Verfahren zum Aufbau eines solchen Systems
DE102009052081B4 (de) * 2009-11-05 2021-01-21 Rohde & Schwarz GmbH & Co. Kommanditgesellschaft Verfahren zur Ermittlung von zumindest einer komponentenspezifischen Zeit aus einer Referenz-Zeit in einer Komponente eines Testsystems und entsprechende Kommunikationseinrichtung
US9541947B2 (en) * 2013-08-07 2017-01-10 General Electric Company Time protocol based timing system for time-of-flight instruments

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2128227B1 (de) * 1971-03-12 1975-01-17 Onera (Off Nat Aerospatiale)
FR2143521B1 (de) * 1971-06-08 1974-09-27 Onera (Off Nat Aerospatiale)
US4337463A (en) * 1980-08-22 1982-06-29 Control Data Corporation Time synchronization master station and remote station system
US4943963A (en) * 1988-01-19 1990-07-24 A. C. Nielsen Company Data collection and transmission system with real time clock

Also Published As

Publication number Publication date
EP0840185A1 (de) 1998-05-06
DE69711806D1 (de) 2002-05-16
DE69711806T2 (de) 2002-09-26
FR2755557B1 (fr) 1998-12-31
FR2755557A1 (fr) 1998-05-07

Similar Documents

Publication Publication Date Title
EP1986071B1 (de) System und Verfahren zur Zeitverwaltung in einer Automatisierungsvorrichtung
EP1756987B1 (de) Verfahren und system zur verteilten synchronisation
CA2740819C (fr) Procede et dispositif de synchronisation et de datation pour equipements d'un reseau de communication de type afdx
EP1976237B1 (de) Netzadressenzuteilung in einem Flugunterhaltungssystem
EP3617820B1 (de) Synchronisierungsverfahren und system
EP0840185B1 (de) Genaue Datierung eines Vorfalls erlaubendes Kommunikationsverfahren und Vorrichtung dazu
EP0277380A1 (de) Verfahren zur Verzögerungsregelung zwischen TDMA-Informationsübertragungsstationen und System wozu das Verfahren durchgeführt wird
FR2998125A1 (fr) Procede de transmission de paquets de donnees entre deux modules de communication ainsi que module emetteur et module recepteur
CA2840239A1 (fr) Procede de tele-releve de compteurs de fluide, compteur et serveur associes a ce procede
EP0924581A1 (de) Schnurloses Telefon und Verwaltungsmethode eines Zeitgebers
JP2005269759A (ja) サンプリング同期方式および時間管理方式
FR3112663A1 (fr) Système de communication sans fil
FR2803477A1 (fr) Procede de mise a l'heure d'un terminal cellulaire et terminal cellulaire pour la mise en oeuvre du procede
EP3087789B1 (de) Kommunikationssynchronisierung in einer fernlesevorrichtung
FR2770732A1 (fr) Procede et systeme de declenchement simultane d'unites distantes d'un systeme de transmission de donnees
EP0770286B1 (de) Verfahren und vorrichtung zur übertragung zwischen einer vielzahl von an unterschiedlichen elektrischen versorgungsnetzen angeschlossenen lokalen einheiten
EP2577894B1 (de) Verfahren und vorrichtung zur aktualisierung von temporärer synchronisationsreferenz
EP1499154B1 (de) Verfahren zur bidirektionalen Funkkommunikation zwischen mehreren Modulen eines Systemes
EP2597541B1 (de) Verfahren zur Steuerung der Synchronisation eines verteilten Aufzeichnungssystems von mit Zeitstempel versehenen Ereignissen
EP0549399B1 (de) Synchronisierungseinrichtung zwischen mehreren unabhängigen Prozessoren
FR2791217A1 (fr) Procede de veille dans un telephone mobile
FR3083941A1 (fr) Systeme de communication bidirectionnel sans-fil
EP1454457A2 (de) Vorrichtung zur netzüberwachung
EP1041468B1 (de) Verfahren und Vorrichtung um Zeit in einem tragbaren Telefonzu bewahren
FR2786356A1 (fr) Procede de synchronisation d'au moins deux bases de temps propres chacune a une station de base et station de base ainsi synchronisee

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): DE ES GB IT

17P Request for examination filed

Effective date: 19981007

AKX Designation fees paid

Free format text: DE ES GB IT

RBV Designated contracting states (corrected)

Designated state(s): DE ES GB IT

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SCHNEIDER ELECTRIC INDUSTRIES SA

17Q First examination report despatched

Effective date: 19991111

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SCHNEIDER ELECTRIC INDUSTRIES SA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

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

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES GB IT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20020410

REF Corresponds to:

Ref document number: 69711806

Country of ref document: DE

Date of ref document: 20020516

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: SCHNEIDER ELECTRIC INDUSTRIES SAS

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20020410

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20021030

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20030113

REG Reference to a national code

Ref country code: DE

Ref legal event code: R084

Ref document number: 69711806

Country of ref document: DE

Effective date: 20111228

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20131017

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20141017

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20151006

Year of fee payment: 19

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 69711806

Country of ref document: DE

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 NON-PAYMENT OF DUE FEES

Effective date: 20170503