ATE377911T1 - Verbesserungen in beziehung zur detektion eines zweitonmehrfrequenzsignales - Google Patents

Verbesserungen in beziehung zur detektion eines zweitonmehrfrequenzsignales

Info

Publication number
ATE377911T1
ATE377911T1 AT02354026T AT02354026T ATE377911T1 AT E377911 T1 ATE377911 T1 AT E377911T1 AT 02354026 T AT02354026 T AT 02354026T AT 02354026 T AT02354026 T AT 02354026T AT E377911 T1 ATE377911 T1 AT E377911T1
Authority
AT
Austria
Prior art keywords
detection
dtmf
tone multi
software
telecommunications systems
Prior art date
Application number
AT02354026T
Other languages
English (en)
Inventor
Pierre Sauvage
Simon Morlat
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of ATE377911T1 publication Critical patent/ATE377911T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Radar Systems Or Details Thereof (AREA)
AT02354026T 2002-02-08 2002-02-08 Verbesserungen in beziehung zur detektion eines zweitonmehrfrequenzsignales ATE377911T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02354026A EP1335614B1 (de) 2002-02-08 2002-02-08 Verbesserungen in Beziehung zur Detektion eines Zweitonmehrfrequenzsignales

Publications (1)

Publication Number Publication Date
ATE377911T1 true ATE377911T1 (de) 2007-11-15

Family

ID=27589185

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02354026T ATE377911T1 (de) 2002-02-08 2002-02-08 Verbesserungen in beziehung zur detektion eines zweitonmehrfrequenzsignales

Country Status (4)

Country Link
US (1) US7184542B2 (de)
EP (1) EP1335614B1 (de)
AT (1) ATE377911T1 (de)
DE (1) DE60223334T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050058273A1 (en) * 2003-09-11 2005-03-17 Lam Siu H. Methods and apparatus for detecting signaling tones in telephony data signal
US7715447B2 (en) 2003-12-23 2010-05-11 Intel Corporation Method and system for tone detection
JP4862262B2 (ja) * 2005-02-14 2012-01-25 日本電気株式会社 Ｄｔｍｆ信号処理方法、処理装置、中継装置、及び通信端末装置
TWI393453B (zh) * 2008-10-06 2013-04-11 Sonix Technology Co Ltd 適用於自動控制裝置的音調偵測方法及音調偵測裝置
US8260280B2 (en) * 2010-01-25 2012-09-04 Research In Motion Limited System and method for the synchronized transmission of tone sequences
US10477454B2 (en) 2013-05-08 2019-11-12 Cellcontrol, Inc. Managing iOS-based mobile communication devices by creative use of CallKit API protocols
US10271265B2 (en) 2013-05-08 2019-04-23 Cellcontrol, Inc. Detecting mobile devices within a vehicle based on cellular data detected within the vehicle
US11751123B2 (en) 2013-05-08 2023-09-05 Cellcontrol, Inc. Context-aware mobile device management
CA3188150A1 (en) * 2013-05-08 2014-11-13 Cellcontrol, Inc. Driver identification and data collection systems for use with mobile communication devices in vehicles
US10805861B2 (en) 2013-05-08 2020-10-13 Cellcontrol, Inc. Context-aware mobile device management
US10268530B2 (en) 2013-05-08 2019-04-23 Cellcontrol, Inc. Managing functions on an iOS-based mobile device using ANCS notifications
US11178272B2 (en) 2017-08-14 2021-11-16 Cellcontrol, Inc. Systems, methods, and devices for enforcing do not disturb functionality on mobile devices
CN111724783B (zh) * 2020-06-24 2023-10-17 北京小米移动软件有限公司 智能设备的唤醒方法、装置、智能设备及介质

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689760A (en) * 1984-11-09 1987-08-25 Digital Sound Corporation Digital tone decoder and method of decoding tones using linear prediction coding
CA1289281C (en) * 1988-05-05 1991-09-17 Jerry Stroobach Digital dtmf tone detector
US5477465A (en) * 1993-08-31 1995-12-19 Talx Corporation Multi-frequency receiver with arbitrary center frequencies
US5644634A (en) * 1995-11-29 1997-07-01 Advanced Micro Devices System and method for dual tone multifrequency detection using variable frame widths
US5809133A (en) * 1996-05-24 1998-09-15 Advanced Micro Devices, Inc. DTMF detector system and method which performs frequency domain energy calculations with improved performance
US6763106B1 (en) * 1998-11-19 2004-07-13 Legerity Inc. Signal detector with duration-based frame width
US6771767B1 (en) * 1999-01-05 2004-08-03 Legerity, Inc. Signal detector with coefficient swapping transform unit
US6229889B1 (en) * 1999-04-05 2001-05-08 Agere Systems Guardian Corp. Robust signaling tone frequency measurement
US6850616B2 (en) * 2001-01-22 2005-02-01 Cirrus Logic, Inc. Frequency error detection methods and systems using the same

Also Published As

Publication number Publication date
DE60223334D1 (de) 2007-12-20
EP1335614A1 (de) 2003-08-13
EP1335614B1 (de) 2007-11-07
US7184542B2 (en) 2007-02-27
DE60223334T2 (de) 2008-07-10
US20030235291A1 (en) 2003-12-25

Similar Documents

Publication Publication Date Title
ATE377911T1 (de) Verbesserungen in beziehung zur detektion eines zweitonmehrfrequenzsignales
MXPA05007080A (es) Metodo sistema y aparato para proporcionar una vista previa de un documento.
KR970068497A (ko) 디지탈 카메라
WO2007061671A3 (en) Systems and methods for detecting and disabling malicious script code
CN1473321A (zh) 用于综合电信处理的话音激活检测器
DK1239700T3 (da) Fremgangsmåde til drift af et höreapparat eller höreapparatsystem samt höreapparat til höreapparatsystem
BRPI0412340A (pt) codificador de vìdeo com redução de ruìdo de baixa complexidade
KR970705312A (ko) 전화 네트워크용 서비스 노드 및 그 신호인식 방법(service node for a telephony network)
US8116449B2 (en) Cost-effective, multichannel digital logger
RU2007119321A (ru) Способ и устройство для переключения между режимами работы многопроцессорной системы посредством по меньшей мере одного внешнего сигнала
US7154418B2 (en) Apparatus and method for encoding digital data
US6683948B1 (en) Device for automatically identifying DTMF and FSK for caller ID
ATE439009T1 (de) Vorrichtung und verfahren zur datenverarbeitung
JP2008219753A (ja) 呼制御サーバおよび個人情報データベースならびに音声データの生成方法
CN106022111B (zh) 隐藏弹出式窗口的处理方法、装置及电子设备
ATE170691T1 (de) Verfahren zum verarbeiten eines seriellen, digitalen datensignals
ATE296517T1 (de) Verfahren zur abwicklung von fernmeldeverbindungen über eine öffentliche vermittlungsstelle
CA2318767A1 (en) Procedure for quickly testing the serviceability of a subscriber circuit
BR0106123A (pt) Detecção elétrica de largura de ranhura em v
ATE352158T1 (de) Freigabeverfahren für die erste bereitstellung eines endgerätes
KR930015506A (ko) 전화기에서 재 다이얼키 이용의 스피커폰 제어처리방법
KR100281871B1 (ko) 복합시스템에서 음원변환시 소음방지 방법
KR950035103A (ko) 다채널 오디오 마스킹처리장치
DE60124509D1 (de) Integriertes monolithisches elektronisches bauelement zum zugang mit einem internet-netzwerk
KR940003252A (ko) 키폰 시스팀에 일반전화기 접속 방법

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties