DE60228515D1 - Freisprechtelefongerät mit verbesserter Lecktoleranz - Google Patents

Freisprechtelefongerät mit verbesserter Lecktoleranz

Info

Publication number
DE60228515D1
DE60228515D1 DE60228515T DE60228515T DE60228515D1 DE 60228515 D1 DE60228515 D1 DE 60228515D1 DE 60228515 T DE60228515 T DE 60228515T DE 60228515 T DE60228515 T DE 60228515T DE 60228515 D1 DE60228515 D1 DE 60228515D1
Authority
DE
Germany
Prior art keywords
hands
telephone device
free telephone
improved leak
leak tolerance
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
DE60228515T
Other languages
English (en)
Inventor
Stephane Dufosse
Nicolas Janaszek
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.)
TCT Mobile Ltd
Original Assignee
TCT Mobile 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 TCT Mobile Ltd filed Critical TCT Mobile Ltd
Application granted granted Critical
Publication of DE60228515D1 publication Critical patent/DE60228515D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE60228515T 2001-03-20 2002-03-18 Freisprechtelefongerät mit verbesserter Lecktoleranz Expired - Lifetime DE60228515D1 (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
DE60228515D1 true DE60228515D1 (de) 2008-10-09

Family

ID=8861340

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228515T Expired - Lifetime DE60228515D1 (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
US7529520B2 (en) 2004-02-12 2009-05-05 Sony Ericsson Mobile Communications Ab Electro-acoustic transducer for a portable communication device
ATE385127T1 (de) * 2004-02-12 2008-02-15 Sony Ericsson Mobile Comm Ab Elektroakustischer wandler für eine tragbare kommunikationsvorrichtung
ES2325546T3 (es) * 2005-02-03 2009-09-08 TCL & ALCATEL MOBILE PHONES LTD Terminal movil con al menos dos transductores para generar un efecto estereo.
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
US20110268309A1 (en) 2010-04-30 2011-11-03 Research In Motion Limited Handset leak-tolerant receiver

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
WO2000045615A2 (en) * 1999-01-26 2000-08-03 Koninklijke Philips Electronics N.V. Apparatus having a housing which accommodates a sound transducer and which has a passage

Also Published As

Publication number Publication date
CN1383310A (zh) 2002-12-04
US20020136398A1 (en) 2002-09-26
EP1244277B1 (de) 2008-08-27
ATE406755T1 (de) 2008-09-15
EP1244277A1 (de) 2002-09-25
FR2822617A1 (fr) 2002-09-27
JP2002330208A (ja) 2002-11-15
CN1232092C (zh) 2005-12-14
ES2312530T3 (es) 2009-03-01
FR2822617B1 (fr) 2003-08-01
US7139394B2 (en) 2006-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition