DE69610505T2 - Digitaler phasenumkehrdetektor - Google Patents

Digitaler phasenumkehrdetektor

Info

Publication number
DE69610505T2
DE69610505T2 DE69610505T DE69610505T DE69610505T2 DE 69610505 T2 DE69610505 T2 DE 69610505T2 DE 69610505 T DE69610505 T DE 69610505T DE 69610505 T DE69610505 T DE 69610505T DE 69610505 T2 DE69610505 T2 DE 69610505T2
Authority
DE
Germany
Prior art keywords
digital phase
phase reverse
reverse detector
detector
digital
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
DE69610505T
Other languages
English (en)
Other versions
DE69610505D1 (de
Inventor
John Miller
Alexander Tulai
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.)
Microsemi Semiconductor ULC
Original Assignee
Mitel Corp
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 Mitel Corp filed Critical Mitel Corp
Application granted granted Critical
Publication of DE69610505D1 publication Critical patent/DE69610505D1/de
Publication of DE69610505T2 publication Critical patent/DE69610505T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69610505T 1995-10-20 1996-10-16 Digitaler phasenumkehrdetektor Expired - Lifetime DE69610505T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002161042A CA2161042C (en) 1995-10-20 1995-10-20 Digital phase reversal detector
PCT/CA1996/000689 WO1997015989A1 (en) 1995-10-20 1996-10-16 Digital phase reversal detector

Publications (2)

Publication Number Publication Date
DE69610505D1 DE69610505D1 (de) 2000-11-02
DE69610505T2 true DE69610505T2 (de) 2001-05-03

Family

ID=4156818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69610505T Expired - Lifetime DE69610505T2 (de) 1995-10-20 1996-10-16 Digitaler phasenumkehrdetektor

Country Status (5)

Country Link
US (1) US6259750B1 (de)
EP (1) EP0856212B1 (de)
CA (1) CA2161042C (de)
DE (1) DE69610505T2 (de)
WO (1) WO1997015989A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100463383C (zh) * 2002-06-13 2009-02-18 中兴通讯股份有限公司 一种数字信号音的相位反转检测方法和设备
GB2440589A (en) * 2005-06-01 2008-02-06 Tecteon Plc Phase difference calculator
CN101132250B (zh) * 2006-08-22 2010-05-12 中兴通讯股份有限公司 一种相位反转检测方法及装置
WO2009141683A1 (en) * 2008-05-19 2009-11-26 Freescale Semiconductor, Inc. Method and apparatus for detecting a set up signal used for data communication over a communication network

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3993956A (en) * 1975-11-03 1976-11-23 Motorola, Inc. Digital detection system for differential phase shift keyed signals
DE4238542C1 (de) * 1992-11-14 1994-06-09 Hagenuk Telecom Gmbh Verfahren und Vorrichtung zur Korrektur von Gleichspannungs-Fehlersignalen bei direktmischenden Empfangseinrichtungen
IT1271931B (it) * 1993-02-09 1997-06-10 Italtel Spa Procedimento e dispositivo per il riconoscimento del tono di disabilitazione del cancellatore d'eco in una centrale telefonica di commutazione
JP2611623B2 (ja) * 1993-06-08 1997-05-21 日本電気株式会社 自動周波数制御装置
US5528632A (en) * 1994-07-28 1996-06-18 Motorola, Inc. Non-complex dual-correlation phase reversal detector and method
US5815568A (en) * 1996-01-31 1998-09-29 Telefoanktiebolaget Lm Ericsson Disabling tone detector for network echo canceller

Also Published As

Publication number Publication date
CA2161042A1 (en) 1997-04-21
US6259750B1 (en) 2001-07-10
EP0856212B1 (de) 2000-09-27
CA2161042C (en) 2001-08-28
EP0856212A1 (de) 1998-08-05
WO1997015989A1 (en) 1997-05-01
DE69610505D1 (de) 2000-11-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ZARLINK SEMICONDUCTOR INC., CITY OF OTTAWA, ONTARI