FR2802044B1 - Procede de reglage d'un niveau sonore dans un telephone mobile - Google Patents

Procede de reglage d'un niveau sonore dans un telephone mobile

Info

Publication number
FR2802044B1
FR2802044B1 FR9915167A FR9915167A FR2802044B1 FR 2802044 B1 FR2802044 B1 FR 2802044B1 FR 9915167 A FR9915167 A FR 9915167A FR 9915167 A FR9915167 A FR 9915167A FR 2802044 B1 FR2802044 B1 FR 2802044B1
Authority
FR
France
Prior art keywords
adjusting
mobile telephone
sound level
sound
level
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
FR9915167A
Other languages
English (en)
Other versions
FR2802044A1 (fr
Inventor
Frederic Heurtaux
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.)
Sagem SA
Original Assignee
Sagem SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9552781&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2802044(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sagem SA filed Critical Sagem SA
Priority to FR9915167A priority Critical patent/FR2802044B1/fr
Priority to DE2000159470 priority patent/DE10059470B4/de
Priority to GB0029330A priority patent/GB2359947B/en
Publication of FR2802044A1 publication Critical patent/FR2802044A1/fr
Application granted granted Critical
Publication of FR2802044B1 publication Critical patent/FR2802044B1/fr
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
    • H04M1/60—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
    • H04M1/605—Portable telephones adapted for handsfree use involving control of the receiver volume to provide a dual operational mode at close or far distance from the user
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • 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
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephone Function (AREA)
FR9915167A 1999-12-01 1999-12-01 Procede de reglage d'un niveau sonore dans un telephone mobile Expired - Lifetime FR2802044B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9915167A FR2802044B1 (fr) 1999-12-01 1999-12-01 Procede de reglage d'un niveau sonore dans un telephone mobile
DE2000159470 DE10059470B4 (de) 1999-12-01 2000-11-30 Verfahren zur Einstellung eines Schallpegels in einem Mobiltelefon
GB0029330A GB2359947B (en) 1999-12-01 2000-12-01 Method of adjusting a sound level in a mobile telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9915167A FR2802044B1 (fr) 1999-12-01 1999-12-01 Procede de reglage d'un niveau sonore dans un telephone mobile

Publications (2)

Publication Number Publication Date
FR2802044A1 FR2802044A1 (fr) 2001-06-08
FR2802044B1 true FR2802044B1 (fr) 2002-05-24

Family

ID=9552781

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9915167A Expired - Lifetime FR2802044B1 (fr) 1999-12-01 1999-12-01 Procede de reglage d'un niveau sonore dans un telephone mobile

Country Status (3)

Country Link
DE (1) DE10059470B4 (fr)
FR (1) FR2802044B1 (fr)
GB (1) GB2359947B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050026568A1 (en) * 2003-08-01 2005-02-03 Hawker Larry E. System and method of acoustically safe automatic handsfree volume adjustment
GB2444298B (en) * 2006-11-29 2009-04-29 Motorola Inc Audio communication unit and method for providing acoustic protection
US7920696B2 (en) 2006-12-14 2011-04-05 Motorola Mobility, Inc. Method and device for changing to a speakerphone mode
KR101196751B1 (ko) * 2012-04-23 2012-11-07 엘지전자 주식회사 이동 단말기 및 그것의 제어 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5303308A (en) * 1992-07-07 1994-04-12 Gn Netcom A/S Audio frequency signal compressing system
FR2699768B1 (fr) * 1992-12-23 1995-02-10 Alcatel Radiotelephone Procédé de contrôle automatique de gain pour un récepteur numérique, notamment un récepteur à accès multiple à répartition dans le temps et dispositif pour sa mise en Óoeuvre.
US5630014A (en) * 1993-10-27 1997-05-13 Nec Corporation Gain controller with automatic adjustment using integration energy values
US5530767A (en) * 1993-12-28 1996-06-25 Nec Corporation Reception volume limiting circuit
DE19742346C2 (de) * 1997-09-25 2002-12-05 Siemens Ag Anordnung und Verfahren zur Vorverstärkung von Empfangssignalen für eine Funkstation
GB2330961B (en) * 1997-11-04 2002-04-24 Nokia Mobile Phones Ltd Automatic Gain Control

Also Published As

Publication number Publication date
GB2359947B (en) 2004-04-28
GB2359947A (en) 2001-09-05
DE10059470B4 (de) 2005-04-14
GB0029330D0 (en) 2001-01-17
DE10059470A1 (de) 2001-06-28
FR2802044A1 (fr) 2001-06-08

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