ATE406755T1 - Freisprechtelefongerät mit verbesserter lecktoleranz - Google Patents

Freisprechtelefongerät mit verbesserter lecktoleranz

Info

Publication number
ATE406755T1
ATE406755T1 AT02290670T AT02290670T ATE406755T1 AT E406755 T1 ATE406755 T1 AT E406755T1 AT 02290670 T AT02290670 T AT 02290670T AT 02290670 T AT02290670 T AT 02290670T AT E406755 T1 ATE406755 T1 AT E406755T1
Authority
AT
Austria
Prior art keywords
hands
telephone device
free telephone
improved leak
leak tolerance
Prior art date
Application number
AT02290670T
Other languages
English (en)
Inventor
Stephane Dufosse
Nicolas Janaszek
Original Assignee
Tcl & Alcatel Mobile Phones
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 Tcl & Alcatel Mobile Phones filed Critical Tcl & Alcatel Mobile Phones
Application granted granted Critical
Publication of ATE406755T1 publication Critical patent/ATE406755T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
  • Secondary Cells (AREA)
  • External Artificial Organs (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
AT02290670T 2001-03-20 2002-03-18 Freisprechtelefongerät mit verbesserter lecktoleranz ATE406755T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0103764A FR2822617B1 (fr) 2001-03-20 2001-03-20 Telephone mains libres tolerant aux fuites

Publications (1)

Publication Number Publication Date
ATE406755T1 true ATE406755T1 (de) 2008-09-15

Family

ID=8861340

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02290670T ATE406755T1 (de) 2001-03-20 2002-03-18 Freisprechtelefongerät mit verbesserter lecktoleranz

Country Status (8)

Country Link
US (1) US7139394B2 (de)
EP (1) EP1244277B1 (de)
JP (1) JP2002330208A (de)
CN (1) CN1232092C (de)
AT (1) ATE406755T1 (de)
DE (1) DE60228515D1 (de)
ES (1) ES2312530T3 (de)
FR (1) FR2822617B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0213732D0 (en) * 2002-06-14 2002-07-24 Mitel Knowledge Corp Audio earpiece for wideband telephone handsets
ATE385127T1 (de) * 2004-02-12 2008-02-15 Sony Ericsson Mobile Comm Ab Elektroakustischer wandler für eine tragbare kommunikationsvorrichtung
WO2005079045A1 (en) * 2004-02-12 2005-08-25 Sony Ericsson Mobile Communications Ab Electro-acoustic transducer for a portable communication device
DE602005013744D1 (de) * 2005-02-03 2009-05-20 Tcl & Alcatel Mobile Phones Mobiles Endgerät mit mindestens zwei Lautsprechern zur Erzeugung eines Stereoeffektes
FI20050691A0 (fi) * 2005-06-29 2005-06-29 Nokia Corp Kuuloke- ja kaiutintoiminnot yhdistävä kaiutinlaitteisto
FI20050690A0 (fi) * 2005-06-29 2005-06-29 Nokia Corp Kaiutinlaitteisto langattomassa viestintälaitteessa
EP2384024A3 (de) 2010-04-30 2012-11-14 Research In Motion Limited Lecktoleranter Freisprechempfänger

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1069233A (en) * 1977-01-18 1980-01-01 Northern Telecom Limited Telephone hand set transmitter with improved output response
JPS59154977U (ja) * 1983-03-31 1984-10-17 オ−スミ電機株式会社 重低音専用スピ−カ−システム
JPS61139189A (ja) * 1984-12-11 1986-06-26 Matsushita Electric Ind Co Ltd ハンドセツト
JPS62203588U (de) * 1986-06-16 1987-12-25
US5109422A (en) * 1988-09-28 1992-04-28 Yamaha Corporation Acoustic apparatus
US5369701A (en) * 1992-10-28 1994-11-29 At&T Corp. Compact loudspeaker assembly
US5365050A (en) * 1993-03-16 1994-11-15 Worthington Data Solutions Portable data collection terminal with voice prompt and recording
JPH07273850A (ja) * 1994-03-30 1995-10-20 Aiphone Co Ltd 電話機・インターホン用スピーカ構造
US5790679A (en) * 1996-06-06 1998-08-04 Northern Telecom Limited Communications terminal having a single transducer for handset and handsfree receive functionality
FI115108B (fi) * 1997-10-06 2005-02-28 Nokia Corp Menetelmä ja järjestely kuulokkeen vuotosiedon parantamiseksi radiolaitteessa
US6321070B1 (en) * 1998-05-14 2001-11-20 Motorola, Inc. Portable electronic device with a speaker assembly
ATE253287T1 (de) * 1999-01-26 2003-11-15 Koninkl Philips Electronics Nv Vorrichtung mit einem gehäuse das einen tonwandler enthält und mit einer durchführung

Also Published As

Publication number Publication date
CN1383310A (zh) 2002-12-04
DE60228515D1 (de) 2008-10-09
ES2312530T3 (es) 2009-03-01
EP1244277A1 (de) 2002-09-25
EP1244277B1 (de) 2008-08-27
FR2822617A1 (fr) 2002-09-27
CN1232092C (zh) 2005-12-14
FR2822617B1 (fr) 2003-08-01
US20020136398A1 (en) 2002-09-26
JP2002330208A (ja) 2002-11-15
US7139394B2 (en) 2006-11-21

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Legal Events

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