AU6366396A - Loudspeaking telephone systems - Google Patents

Loudspeaking telephone systems

Info

Publication number
AU6366396A
AU6366396A AU63663/96A AU6366396A AU6366396A AU 6366396 A AU6366396 A AU 6366396A AU 63663/96 A AU63663/96 A AU 63663/96A AU 6366396 A AU6366396 A AU 6366396A AU 6366396 A AU6366396 A AU 6366396A
Authority
AU
Australia
Prior art keywords
telephone systems
loudspeaking telephone
loudspeaking
systems
telephone
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.)
Abandoned
Application number
AU63663/96A
Inventor
David Connolly
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.)
Hong Kong Telecommunications HKT Ltd
Original Assignee
Hong Kong Telecommunications HKT Ltd
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 Hong Kong Telecommunications HKT Ltd filed Critical Hong Kong Telecommunications HKT Ltd
Publication of AU6366396A publication Critical patent/AU6366396A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/002—Applications of echo suppressors or cancellers in telephonic connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
AU63663/96A 1995-07-17 1996-07-09 Loudspeaking telephone systems Abandoned AU6366396A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9514553 1995-07-17
GBGB9514553.8A GB9514553D0 (en) 1995-07-17 1995-07-17 Loudspeaking telephone systems
PCT/GB1996/001641 WO1997004577A1 (en) 1995-07-17 1996-07-09 Loudspeaking telephone systems

Publications (1)

Publication Number Publication Date
AU6366396A true AU6366396A (en) 1997-02-18

Family

ID=10777772

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63663/96A Abandoned AU6366396A (en) 1995-07-17 1996-07-09 Loudspeaking telephone systems

Country Status (3)

Country Link
AU (1) AU6366396A (en)
GB (2) GB9514553D0 (en)
WO (1) WO1997004577A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE512342C2 (en) * 1997-07-11 2000-02-28 Ericsson Telefon Ab L M Procedure and apparatus using mobile phones
AUPP999199A0 (en) * 1999-04-28 1999-05-20 Telstra Corporation Limited Apparatus and method for detecting far end speech
US8457614B2 (en) 2005-04-07 2013-06-04 Clearone Communications, Inc. Wireless multi-unit conference phone
PL2614111T3 (en) 2010-09-10 2018-07-31 Total Research & Technology Feluy Expandable vinyl aromatic polymers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4897832A (en) * 1988-01-18 1990-01-30 Oki Electric Industry Co., Ltd. Digital speech interpolation system and speech detector
KR950007498B1 (en) * 1990-11-30 1995-07-11 가부시끼가이샤 도시바 Dual Mode Wireless Communication Device
EP0495423A3 (en) * 1991-01-17 1993-01-13 Siemens Aktiengesellschaft Oesterreich Device for the multiple use of subscriber lines
CA2102857C (en) * 1992-12-31 1998-06-23 Alexander Feiner Technique for reducing echoes in conference communications

Also Published As

Publication number Publication date
GB2317535B (en) 1999-10-13
GB2317535A (en) 1998-03-25
GB9800665D0 (en) 1998-03-11
WO1997004577A1 (en) 1997-02-06
GB9514553D0 (en) 1995-09-13

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