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SE9902341D0 - Apparatus and method of detecting proximity by means of an antenna - Google Patents

Apparatus and method of detecting proximity by means of an antenna

Info

Publication number
SE9902341D0
SE9902341D0 SE9902341A SE9902341A SE9902341D0 SE 9902341 D0 SE9902341 D0 SE 9902341D0 SE 9902341 A SE9902341 A SE 9902341A SE 9902341 A SE9902341 A SE 9902341A SE 9902341 D0 SE9902341 D0 SE 9902341D0
Authority
SE
Sweden
Prior art keywords
antenna
proximity
impedance
vctpr
loudspeaker
Prior art date
Application number
SE9902341A
Other languages
English (en)
Other versions
SE9902341L (sv
Inventor
Ulf Lindgren
Christian Bjoerk
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9902341A priority Critical patent/SE9902341L/sv
Publication of SE9902341D0 publication Critical patent/SE9902341D0/sv
Priority to AU58639/00A priority patent/AU5863900A/en
Priority to PCT/SE2000/001324 priority patent/WO2000079769A1/en
Publication of SE9902341L publication Critical patent/SE9902341L/sv

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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
SE9902341A 1999-06-21 1999-06-21 Apparat och förfarande för att detektera närhet med hjälp av en antenn SE9902341L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9902341A SE9902341L (sv) 1999-06-21 1999-06-21 Apparat och förfarande för att detektera närhet med hjälp av en antenn
AU58639/00A AU5863900A (en) 1999-06-21 2000-06-20 Apparatus and method of detecting proximity by means of an antenna, and controlling a loudspeaker
PCT/SE2000/001324 WO2000079769A1 (en) 1999-06-21 2000-06-20 Apparatus and method of detecting proximity by means of an antenna, and controlling a loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9902341A SE9902341L (sv) 1999-06-21 1999-06-21 Apparat och förfarande för att detektera närhet med hjälp av en antenn

Publications (2)

Publication Number Publication Date
SE9902341D0 true SE9902341D0 (sv) 1999-06-21
SE9902341L SE9902341L (sv) 2001-02-21

Family

ID=20416167

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9902341A SE9902341L (sv) 1999-06-21 1999-06-21 Apparat och förfarande för att detektera närhet med hjälp av en antenn

Country Status (3)

Country Link
AU (1) AU5863900A (sv)
SE (1) SE9902341L (sv)
WO (1) WO2000079769A1 (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002102036A1 (de) * 2001-06-13 2002-12-19 Siemens Aktiengesellschaft Mobiltelefon
GB2382241B (en) * 2001-11-07 2006-08-09 Sendo Int Ltd Speaker volume control means and method of operation
JP4198552B2 (ja) * 2003-07-25 2008-12-17 株式会社エヌ・ティ・ティ・ドコモ 無線受信機、無線送信機及びインピーダンス制御方法
US20050026568A1 (en) * 2003-08-01 2005-02-03 Hawker Larry E. System and method of acoustically safe automatic handsfree volume adjustment
DE102004019353B3 (de) * 2004-04-21 2005-09-15 Siemens Audiologische Technik Gmbh Hörhilfegerät mit einer Bedieneinrichtung
GB2464868B (en) * 2004-09-22 2010-06-16 Avago Tech Ecbu Ip Folding telephone
US7196316B2 (en) * 2004-09-22 2007-03-27 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Portable electronic device with activation sensor
GB2515830A (en) * 2013-07-05 2015-01-07 Broadcom Corp Method and apparatus for use in a radio communication device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224151A (en) * 1992-04-01 1993-06-29 At&T Bell Laboratories Automatic handset-speakephone switching arrangement for portable communication device
FI963389L (sv) * 1996-08-30 1998-03-01 Nokia Mobile Phones Ltd Anvisningssystem för handportabel telefon

Also Published As

Publication number Publication date
AU5863900A (en) 2001-01-09
SE9902341L (sv) 2001-02-21
WO2000079769A1 (en) 2000-12-28

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Legal Events

Date Code Title Description
NAV Patent application has lapsed