EP2490460B1 - Suppression de retour acoustique pour terminaux de communication. - Google Patents

Suppression de retour acoustique pour terminaux de communication. Download PDF

Info

Publication number
EP2490460B1
EP2490460B1 EP11155062.0A EP11155062A EP2490460B1 EP 2490460 B1 EP2490460 B1 EP 2490460B1 EP 11155062 A EP11155062 A EP 11155062A EP 2490460 B1 EP2490460 B1 EP 2490460B1
Authority
EP
European Patent Office
Prior art keywords
communication terminal
acoustic
signal
microphone
feedback loop
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.)
Active
Application number
EP11155062.0A
Other languages
German (de)
English (en)
Other versions
EP2490460A1 (fr
Inventor
Alexis Favrot
Christof Faller
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.)
Gigaset Communications GmbH
Original Assignee
Gigaset Communications GmbH
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 Gigaset Communications GmbH filed Critical Gigaset Communications GmbH
Priority to EP11155062.0A priority Critical patent/EP2490460B1/fr
Publication of EP2490460A1 publication Critical patent/EP2490460A1/fr
Application granted granted Critical
Publication of EP2490460B1 publication Critical patent/EP2490460B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Definitions

  • the invention relates to a method and a device for suppressing acoustic feedback between communication terminals for mobile voice and / or data communication in a radio-based network.
  • Communication terminals for mobile voice and / or data communication in a radio-based network are nowadays indispensable in private as well as professional life.
  • Acoustic feedbacks are a well-known problem. Acoustic feedback occurs when a loudspeaker emits a signal picked up by a microphone and the loudspeaker is located in the vicinity of the microphone, for example when two mobile phones are in a room and the microphone of the first mobile phone picks up a signal and transmits it the speaker of the second mobile phone is output. The problem arises that the microphone resumes the signal reproduced via the speaker and thus results in a feedback loop between the two mobile phones.
  • US Pat. No. 7,672446 A1 discloses an echo processing device having a receiving device, a connection device to at least one other device, at least one transmission signal containing information transmitted by another communication device and devices for modifying the received signals of the communication device based on various information of the transmission signal and the device hardware.
  • the system includes one or more microphones, A / D, D / A converters, amplifiers and filters that convert an electrical signal to a sound signal via a loudspeaker, and an echo reducer capable of feedback loops to prevent.
  • the object of the invention is to provide a method and a device which avoid one or more disadvantages known from the prior art.
  • a method for suppressing acoustic feedback between communication terminals for mobile voice and / or data communication in a radio-based network comprising at least the method steps: Signaling coupling between a microphone and a loudspeaker, the microphone being part of a first communication terminal and the loudspeaker Part of a second communication terminal is.
  • the presence of an acoustic feedback loop between the first communication terminal and the second communication terminal is determined by means of a feedback loop detector, wherein the acoustic feedback loop is due to feedback of a first acoustic signal in the microphone of the first communication terminal via the speaker of the second communication terminal.
  • the signal intensity between the microphone of the first communication terminal and the loudspeaker of the second communication terminal is reduced by means of a signal amplification control, in the event that the presence of an acoustic feedback loop has been detected.
  • the acoustic echoes between the loudspeaker of the second communication terminal and a second microphone are attenuated by means of an acoustic echo control, wherein the second microphone is part of the second communication terminal, wherein the acoustic echo control received by the second communication terminal, the first acoustic signal of the microphone receives the first communication terminal as the first input signal and receives a second acoustic signal received from the second microphone as a second input signal, the second acoustic signal containing the acoustic echo, wherein the acoustic echo controller outputs an acoustic-echo filtered output signal, wherein the acoustic echo is produced by feedback of the first acoustic signal received by the second communication terminal from the loudspeaker to the
  • the probability of occurrence of the acoustic feedback loop between the first communication terminal and the second communication terminal is determined by the feedback loop detector, wherein the step of determining the likelihood of the occurrence of the acoustic feedback loop between the first communication terminal and the second communication terminal by the feedback loop detector at least comprising: estimating the likelihood of occurrence of the acoustic feedback loop with the addition of a near signal and a far signal, the near signal corresponding to an acoustic echo resulting from feedback of the first acoustic signal received from the second communication terminal from the speaker to the second microphone, and wherein the remote signal of the feedback of the first acoustic signal, in the microphone of the first communication terminal via the speaker of the second Gaynikationsendgerä tes, corresponds.
  • the teaching according to the invention achieves the advantage that at the same time two such systems, for example two mobile telephones or the like, can communicate with one another in the same acoustic space without an acoustic feedback loop building up between these two systems, or such a swinging up of the feedback loop at least reduced or prevented.
  • Communication terminals can be any devices suitable for mobile voice and / or data communication in a radio-based network, for example a mobile telephone.
  • Signaling coupling between a microphone and a loudspeaker means that the signal picked up by a microphone can be sent to a loudspeaker, which can reproduce the signal, that is, output it again.
  • signals which typically picks up a microphone
  • acoustic signals are meant.
  • At least the further method step is additionally provided: attenuation of an acoustic echo between the loudspeaker of the second communication terminal and a second microphone, by means of an acoustic echo control, wherein the second microphone is part of the second communication terminal.
  • the acoustic echo control receives the first acoustic signal of the microphone of the first communication terminal received by the second communication terminal as the first input signal and a second acoustic signal received by the second microphone as the second input signal.
  • the second acoustic signal contains the acoustic echo
  • the acoustic-echo control outputs to the acoustic-echo filtered output signal.
  • the acoustic echo is created by feedback of the first acoustic signal received by the second communication terminal from the loudspeaker to the second microphone.
  • This embodiment ensures that acoustic echoes between the loudspeaker and the microphone of the same communication terminal can be suppressed or at least reduced.
  • Hands-free teleconferencing or videoconferencing systems require an algorithm to suppress unwanted acoustic echo.
  • the acoustic echo results from the coupling between the speaker and the microphone.
  • This embodiment provides such an algorithm.
  • At least the further method step is additionally provided: determining the probability of occurrence of the acoustic feedback loop between the first communication terminal and the second communication terminal, by the feedback loop detector.
  • the advantage is achieved that a prediction can be made about an occurrence probability of an acoustic feedback loop as to whether and when such an acoustic feedback loop will occur in order to be able to counteract this in good time. This increases the reliability of such communication terminals.
  • the probability of occurrence of an acoustic feedback loop can be determined by many types of, for example, predictors.
  • the method step for determining the probability of occurrence of the acoustic feedback loop between the first communication terminal and the second communication terminal, by the feedback loop detector at least
  • the estimation of the probability of the occurrence of the acoustic feedback loop is accompanied by a near signal and a far signal.
  • the near signal corresponds to an acoustic echo which is produced by feedback of the first acoustic signal received by the second communication terminal from the loudspeaker to the second microphone.
  • the remote signal corresponds to the feedback of the first acoustic signal in the microphone of the first communication terminal via the loudspeaker of the second communication terminal.
  • the estimation of the likelihood of the occurrence of the acoustic feedback loop also occurs with the additional addition of coherence between the near signal and the far signal.
  • This embodiment achieves the advantage that the probability of occurrence of an acoustic feedback loop can be predicted in a particularly precise manner, in particular by including the coherence between the near signal and the remote signal.
  • feedback detection rules can be derived to reduce the full-band signal gain of the loudspeaker accordingly.
  • K corresponds to the number of the time frame and ⁇ att corresponds to a time constant.
  • g L denotes the maximum allowable signal gain reduction.
  • the feedback loop detector and the signal amplification control are part of the second communication terminal. It is further provided, at least, for the signal amplification controller to carry out the signal amplification of the first acoustic signal received by the second communication terminal on the loudspeaker of the second communication terminal.
  • This embodiment achieves the advantage that only one communication terminal according to the invention is required during the communication in order to inhibit the emergence of a feedback loop between this communication device and another communicating therewith, ie to suppress or at least mitigate it.
  • the feedback loop detector and the signal amplification control are part of this communication terminal, other solutions are conceivable, for example a feedback loop detector and / or a signal amplification control which are arranged in the further communication device or distributed over both communication devices ,
  • the first communication terminal and the second communication terminal are connected to one another via a communication and / or data network which supports the DECT standard.
  • This embodiment achieves the advantage that an already very well available and established standard for mobile communication can be used for the communication between the communication terminals.
  • Independent claim 7 provides a communication terminal for mobile voice and / or data communication in a radio-based network, wherein the communication terminal has at least one loudspeaker, a microphone and a connection to the radio-based network.
  • the communication terminal is set up to receive a first acoustic signal via the connection to the radio-based network and the microphone is set up to receive a second acoustic signal.
  • the communication terminal further comprises at least one first device, configured to determine the presence of an acoustic feedback loop between the communication terminal and a second communication terminal.
  • the acoustic feedback loop is due to feedback of a first acoustic signal in a second microphone of a second communication terminal via the loudspeaker of the communication terminal.
  • the communication terminal further comprises a second device, configured to reduce the signal intensity between the second microphone of the second communication terminal and the loudspeaker of the communication terminal, in the event that the presence of an acoustic feedback loop has been detected.
  • an inventive communication terminal is provided for the method described above.
  • the communication terminal further comprises at least a third device, which is adapted to attenuate an acoustic echo between the loudspeaker of the communication terminal and the microphone of the communication device.
  • the acoustic echo is created by feedback of the first acoustic signal received by the communication terminal from the loudspeaker to the second microphone.
  • This embodiment ensures that acoustic echoes between the loudspeaker and the microphone of the same communication terminal can be suppressed or at least reduced.
  • the communication terminal is also at least configured to communicate in a communication and / or data network which supports the DECT standard.
  • This embodiment achieves the advantage that an already very well available and established standard for mobile communication can be used for the communication between the communication terminals.
  • the inventive method and the device for suppressing acoustic feedback between communication terminals for mobile voice and / or data communication in a radio-based network are described below in one embodiment and shown in the drawing.
  • FIG. 1 shows an embodiment according to a preferred embodiment of the invention Fig. 1
  • the two communication terminals 100, 200 are located in the same room and the distance between the two communication terminals 100, 200 is such that a feedback loop (communication path 110, 330, 310, 220, 340) 320 can arise. This may be due to a direct sound transmission between the speaker 220 of the second communication terminal 200 and the microphone 110 of the first communication terminal 110 or by a reflected sound transmission between the same.
  • a feedback loop communication path 110, 330, 310, 220, 340
  • a user 900 speaks into the microphone 110 of the first communication terminal 100, while both communication terminals 100, 200 communicate with each other via a radio-based network 230.
  • the user 900 language is received as an acoustic signal 330 from the microphone 110 of the first communication terminal 100 and transmitted via the radio-based network 230 to the second communication terminal 200.
  • the received signal is forwarded as an acoustic signal 330 to the loudspeaker 220 of the second communication terminal 200.
  • the acoustic echo controller 600 Prior to this, however, it is applied to both the acoustic echo controller 600 as the first input signal 610 and the feedback loop detector 400.
  • the feedback loop detector 400 of the second communication terminal 200 includes both the device for detecting the presence of an acoustic signal Feedback loop 320 integrated, as well as the device for reducing the signal intensity at the speaker 220 of the second communication terminal 200 in the event that the presence of an acoustic feedback loop 320 has been determined.
  • the optionally acoustically reduced acoustic signal 330 is then output at the loudspeaker 220 of the second communication terminal 200.
  • an acoustic echo 350 may arise between this loudspeaker 220 and the microphone 210 of the second communication terminal 200.
  • the acoustic signal received by this microphone 210 may therefore include the acoustic echo 350 and is supplied to the acoustic echo controller 600 as a second input signal 610 to filter the acoustic signal picked up by the microphone 210 and to be corrected for the acoustic echo 350 Signal 640 via the radio-based network 230 to the first communication terminal 100 to send.
  • the acoustic signal output by the speaker 220 of the second communication terminal 200 may, for example via reflection in the space 340, return to the microphone and thereby provide a feedback loop 320 (therefore described as a path) between the two communication terminals 100, 200.
  • the acoustic signal has been signal-reduced in the second communication terminal 200 upon detection of a feedback loop 320 before it is output by the loudspeaker 220 of the second communication terminal 200, further oscillation of a feedback loop 320 is substantially prevented.

Claims (3)

  1. Procédé de suppression de rétroactions acoustiques entre des terminaux de communication pour les communications mobiles vocales et/ou de données dans un réseau de type radio, comprenant au moins les étapes de procédé suivantes :
    - le couplage technique de signaux (310) entre un microphone (110) et un hautparleur (220), le microphone (110) faisant partie d'un premier terminal de communication (100),
    et le hautparleur (220) faisant partie d'un deuxième terminal de communication (200),
    - la détermination de la présence d'une boucle de rétroaction acoustique (320) entre le premier terminal de communication (100) et le deuxième terminal de communication (200) au moyen d'un détecteur de boucle de rétroaction (400),
    - la boucle de rétroaction acoustique (320) étant provoquée par un rétrocouplage (340) d'un premier signal acoustique (330) dans le microphone (110) du premier terminal de communication (100) par l'intermédiaire du hautparleur (220) du deuxième terminal de communication (200),
    - la réduction de l'intensité de signal entre le microphone (110) du premier terminal de communication (100) et le hautparleur (220) du deuxième terminal de communication (200) au moyen d'une unité de commande d'amplification de signal, pour le cas où la présence d'une boucle de rétroaction acoustique (320) a été déterminée,
    - l'amortissement d'un écho acoustique (350) entre le hautparleur (220) du deuxième terminal de communication (200) et un deuxième microphone (210) au moyen d'une unité de commande d'écho acoustique (600),
    le deuxième microphone (210) faisant partie du deuxième terminal de communication (200),
    l'unité de commande d'écho acoustique (600) obtenant le premier signal acoustique (330) du microphone (110) du premier terminal de communication (100) reçu par le deuxième terminal de communication (200), en tant que premier signal d'entrée (610) et obtenant un deuxième signal acoustique reçu par le deuxième microphone (210), en tant que deuxième signal d'entrée (620),
    le deuxième signal acoustique contenant l'écho acoustique (350), et
    l'unité de commande d'écho acoustique (600) délivrant un signal de sortie (640) filtré en l'écho acoustique (350),
    l'écho acoustique (350) étant produit par rétrocouplage du premier signal acoustique (330) du hautparleur (220), reçu par le deuxième terminal de communication (200), vers le deuxième microphone (210),
    - la détermination de la probabilité d'apparition de la boucle de rétroaction acoustique (320) entre le premier terminal de communication (100) et le deuxième terminal de communication (200) au moyen du détecteur de boucle de rétroaction (400),
    l'étape de procédé, destinée à déterminer la probabilité d'apparition de la boucle de rétroaction acoustique (320) entre le premier terminal de communication (100) et le deuxième terminal de communication (200) au moyen du détecteur de boucle de rétroaction (400) comprenant au moins :
    - l'estimation de la probabilité d'apparition de la boucle de rétroaction acoustique (320) avec ajout d'un signal de proximité et d'un signal d'éloignement,
    le signal de proximité correspondant à un écho acoustique (350) qui est produit par rétrocouplage (370) du premier signal acoustique (330) du hautparleur (220), reçu par le deuxième terminal de communication (200), vers le deuxième microphone (210), et
    le signal d'éloignement correspondant au rétrocouplage (340) du premier signal acoustique (330), dans le microphone (110) du premier terminal de communication (100) vers le hautparleur (220) du deuxième terminal de communication (200), avec ajout supplémentaire de la cohérence entre le signal de proximité et le signal d'éloignement.
  2. Procédé de suppression de rétroactions acoustiques entre des terminaux de communication selon la revendication 1, dans lequel
    le détecteur de boucle de rétroaction (400) et l'unité de commande d'amplification de signal font partie du deuxième terminal de communication (200), et
    dans lequel l'unité de commande d'amplification de signal effectue l'amplification du premier signal acoustique (330) reçu par le deuxième terminal de communication (200), au niveau du hautparleur (220) du deuxième terminal de communication (200).
  3. Procédé de suppression de rétroactions acoustiques entre des terminaux de communication selon l'une quelconque des revendications précédentes, dans lequel le premier terminal de communication (100) et le deuxième terminal de communication (200) sont interconnectés par l'intermédiaire d'un réseau de communication et/ou de données qui prend en charge la norme DECT.
EP11155062.0A 2011-02-18 2011-02-18 Suppression de retour acoustique pour terminaux de communication. Active EP2490460B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11155062.0A EP2490460B1 (fr) 2011-02-18 2011-02-18 Suppression de retour acoustique pour terminaux de communication.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11155062.0A EP2490460B1 (fr) 2011-02-18 2011-02-18 Suppression de retour acoustique pour terminaux de communication.

Publications (2)

Publication Number Publication Date
EP2490460A1 EP2490460A1 (fr) 2012-08-22
EP2490460B1 true EP2490460B1 (fr) 2013-11-20

Family

ID=44080213

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11155062.0A Active EP2490460B1 (fr) 2011-02-18 2011-02-18 Suppression de retour acoustique pour terminaux de communication.

Country Status (1)

Country Link
EP (1) EP2490460B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1429315B1 (fr) * 2001-06-11 2006-05-31 Lear Automotive (EEDS) Spain, S.L. Procede et systeme d'annulation d'echos et de bruits dans des environnements aux conditions acoustiques variables et hautement realimentees
FR2856183A1 (fr) * 2003-06-13 2004-12-17 France Telecom Procede et dispositif de traitement d'echo
US7664275B2 (en) * 2005-07-22 2010-02-16 Gables Engineering, Inc. Acoustic feedback cancellation system

Also Published As

Publication number Publication date
EP2490460A1 (fr) 2012-08-22

Similar Documents

Publication Publication Date Title
DE60203282T2 (de) Telefongerät
DE69634841T2 (de) Verfahren und Vorrichtung zur Echokompensation
EP1456839B1 (fr) Procede et dispositif de suppression de signaux perturbateurs periodiques
DE69929526T2 (de) Telefonapparat mit lautstärkeregelung
DE19935808A1 (de) Echounterdrückungseinrichtung zum Unterdrücken von Echos in einer Sender/Empfänger-Einheit
DE69830976T2 (de) Adaptive Störungsunterdrückung
EP3375204B1 (fr) Traitement de signal audio dans un véhicule
DE112012005782T5 (de) Nachhallunterdrückungsvorrichtung
DE19805942C1 (de) Verfahren zur Verbesserung der akustischen Rückhördämpfung in Freisprecheinrichtungen
EP1155561B1 (fr) Dispositif et procede de suppression de bruit dans des installations telephoniques
WO2008028510A1 (fr) Dispositif de commande en fonction de la position
EP1126687A2 (fr) Procede pour la reduction coordonnée de bruit et/ou d'écho
EP0874513A2 (fr) Dispositif pour la suppression de retour
DE102008046040A1 (de) Verfahren zum Betrieb einer Hörvorrichtung mit Richtwirkung und zugehörige Hörvorrichtung
EP2490460B1 (fr) Suppression de retour acoustique pour terminaux de communication.
DE102014210760B4 (de) Betrieb einer Kommunikationsanlage
EP2490427B1 (fr) Reconnaissance de couplage acoustique entre des terminaux de communication participant à une conférence téléphonique
DE69433659T2 (de) Vorrichtung und Verfahren zur Echo-Dämpfung
EP1062487A1 (fr) Dispositif a microphone pour la reconnaissance vocale dans des conditions spatiales variables
DE19935587A1 (de) Verfahren und Vorrichtung zum Detektieren einer Nahendestimme
DE102018117558A1 (de) Adaptives nachfiltern
DE102018213367B4 (de) Verfahren und Telefonievorrichtung zur Geräuschunterdrückung eines systemgenerierten Audiosignals bei einem Telefonat sowie ein Fahrzeug mit der Telefonievorrichtung
DE102018117556B4 (de) Einzelkanal-rauschreduzierung
EP3424203B1 (fr) Dispositif de télécommunication, système de télécommunication, procédé de fonctionnement d'un dispositif de télécommunication et programme informatique
EP3534624B1 (fr) Procédé de fonctionnement d'un dispositif de correction auditive

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): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20130222

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20130612

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 642235

Country of ref document: AT

Kind code of ref document: T

Effective date: 20131215

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502011001663

Country of ref document: DE

Effective date: 20140116

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20131120

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

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

Ref country code: FI

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: 20131120

Ref country code: IS

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: 20140320

Ref country code: SE

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: 20131120

Ref country code: HR

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: 20131120

Ref country code: NL

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: 20131120

Ref country code: LT

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: 20131120

Ref country code: NO

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: 20140220

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

Ref country code: LV

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: 20131120

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: 20131120

Ref country code: RS

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: 20131120

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

Ref country code: PT

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: 20140320

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

Ref country code: EE

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: 20131120

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502011001663

Country of ref document: DE

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

Ref country code: CZ

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: 20131120

Ref country code: RO

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: 20131120

Ref country code: SK

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: 20131120

Ref country code: PL

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: 20131120

BERE Be: lapsed

Owner name: GIGASET COMMUNICATIONS G.M.B.H.

Effective date: 20140228

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

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

Ref country code: MC

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: 20131120

Ref country code: DK

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: 20131120

Ref country code: LU

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: 20140218

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20140821

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

Ref country code: CH

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

Effective date: 20140228

Ref country code: LI

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

Effective date: 20140228

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502011001663

Country of ref document: DE

Effective date: 20140821

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

Ref country code: BE

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

Effective date: 20140228

Ref country code: IE

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

Effective date: 20140218

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

Ref country code: SI

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: 20131120

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20131120

REG Reference to a national code

Ref country code: DE

Ref legal event code: R082

Ref document number: 502011001663

Country of ref document: DE

Representative=s name: MICHALSKI HUETTERMANN & PARTNER PATENTANWAELTE, DE

Ref country code: DE

Ref legal event code: R081

Ref document number: 502011001663

Country of ref document: DE

Owner name: GIGASET COMMUNICATIONS GMBH, DE

Free format text: FORMER OWNER: GIGASET COMMUNICATIONS GMBH, 81379 MUENCHEN, DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 6

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

Ref country code: MT

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: 20131120

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

Ref country code: SM

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: 20131120

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

Ref country code: GR

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: 20140221

Ref country code: CY

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: 20131120

Ref country code: BG

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: 20131120

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

Ref country code: TR

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: 20131120

Ref country code: HU

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

Effective date: 20110218

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 7

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 642235

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160218

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

Ref country code: AT

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

Effective date: 20160218

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

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

Ref country code: MK

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: 20131120

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

Ref country code: AL

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: 20131120

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

Ref country code: FR

Payment date: 20230221

Year of fee payment: 13

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

Ref country code: GB

Payment date: 20230220

Year of fee payment: 13

Ref country code: DE

Payment date: 20230216

Year of fee payment: 13

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230527