AU2001280243A1 - Mobile phone having reduced specific absorption rate (sar) using an antenna housed to ensure enhanced antenna gain - Google Patents

Mobile phone having reduced specific absorption rate (sar) using an antenna housed to ensure enhanced antenna gain

Info

Publication number
AU2001280243A1
AU2001280243A1 AU2001280243A AU8024301A AU2001280243A1 AU 2001280243 A1 AU2001280243 A1 AU 2001280243A1 AU 2001280243 A AU2001280243 A AU 2001280243A AU 8024301 A AU8024301 A AU 8024301A AU 2001280243 A1 AU2001280243 A1 AU 2001280243A1
Authority
AU
Australia
Prior art keywords
sar
mobile phone
antenna
absorption rate
specific absorption
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
AU2001280243A
Inventor
Jae Ick Choi
Jong Hwa Kwon
Tae Yune Lee
Hyun Ho Park
Je Hoon Yun
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.)
Electronics and Telecommunications Research Institute ETRI
Original Assignee
Electronics and Telecommunications Research Institute ETRI
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
Priority claimed from KR10-2000-0052068A external-priority patent/KR100372890B1/en
Priority claimed from KR10-2000-0052351A external-priority patent/KR100375827B1/en
Priority claimed from KR10-2000-0052352A external-priority patent/KR100401125B1/en
Priority claimed from KR10-2000-0052350A external-priority patent/KR100372885B1/en
Application filed by Electronics and Telecommunications Research Institute ETRI filed Critical Electronics and Telecommunications Research Institute ETRI
Publication of AU2001280243A1 publication Critical patent/AU2001280243A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3833—Hand-held transceivers
    • H04B1/3838—Arrangements for reducing RF exposure to the user, e.g. by changing the shape of the transceiver while in use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/245—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/001—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems for modifying the directional characteristic of an aerial
AU2001280243A 2000-09-04 2001-08-29 Mobile phone having reduced specific absorption rate (sar) using an antenna housed to ensure enhanced antenna gain Abandoned AU2001280243A1 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
KR0052068 2000-09-04
KR10-2000-0052068A KR100372890B1 (en) 2000-09-04 2000-09-04 Mobile phone with an antenna housed in the case of the phone to reduce SAR
KR10-2000-0052351A KR100375827B1 (en) 2000-09-05 2000-09-05 Mobile phone with an antenna housed in the case of the phone with space saved to reduce SAR
KR0052352 2000-09-05
KR0052351 2000-09-05
KR10-2000-0052352A KR100401125B1 (en) 2000-09-05 2000-09-05 Mobile phone with an antenna housed in the case of the phone to secure enhanced antenna gain and to reduce SAR
KR10-2000-0052350A KR100372885B1 (en) 2000-09-05 2000-09-05 Mobile phone with an antenna housed in the case of the phone with space saved to reduce SAR
KR0052350 2000-09-05
PCT/KR2001/001454 WO2002021633A1 (en) 2000-09-04 2001-08-29 Mobile phone having reduced specific absorption rate (sar) using an antenna housed to ensure enhanced antenna gain

Publications (1)

Publication Number Publication Date
AU2001280243A1 true AU2001280243A1 (en) 2002-03-22

Family

ID=27483475

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001280243A Abandoned AU2001280243A1 (en) 2000-09-04 2001-08-29 Mobile phone having reduced specific absorption rate (sar) using an antenna housed to ensure enhanced antenna gain

Country Status (3)

Country Link
US (1) US7099631B2 (en)
AU (1) AU2001280243A1 (en)
WO (1) WO2002021633A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7031762B2 (en) * 2000-12-28 2006-04-18 Mitsubishi Denki Kabushiki Kaisha Mobile terminal including first and second housings and an antenna
US20040198415A1 (en) * 2002-06-14 2004-10-07 Cheng-Hsiung Lin Mobile phone of reducing radiation injury
KR20040020218A (en) * 2002-08-30 2004-03-09 주식회사 어필텔레콤 The performance improvement SAR by grounding board in wireless phone
FR2864709B1 (en) * 2003-12-30 2006-03-10 Sagem METHOD OF REDUCING THE SAR OF A MOBILE PHONE AND MOBILE TELEPHONE THAT INCLUDES MEANS FOR LOWERING SAR
US7526326B2 (en) * 2005-05-13 2009-04-28 Sony Ericsson Mobile Communications Ab Handheld wireless communicators with reduced free-space, near-field emissions
ES2301302B1 (en) * 2005-10-20 2009-05-01 Avramuti Florin-Romeo MICROWAVE REFLECTOR PANEL.
JP4896493B2 (en) * 2005-10-28 2012-03-14 京セラ株式会社 Wireless communication terminal
CA2663946A1 (en) * 2006-09-21 2008-03-27 Noninvasive Medical Technologies, Inc. Apparatus and method for non-invasive thoracic radio interrogation
JP2010504697A (en) * 2006-09-21 2010-02-12 ノンインベイシブ メディカル テクノロジーズ，インコーポレイティド Antenna for wireless inquiry to the chest
US8134460B2 (en) * 2006-09-21 2012-03-13 Noninvasive Medical Technologies, Inc. Relative positioning system method
WO2008105837A2 (en) * 2006-09-21 2008-09-04 Noninvasive Medical Technologies, Inc. Method of processing thoracic reflected radio interrogation signals
KR100789788B1 (en) * 2006-09-29 2007-12-28 한국전자통신연구원 Electromagnetic field reduction method of the mobile terminal and the wearable devices using a metamaterial
US20090027279A1 (en) * 2006-09-29 2009-01-29 Hyung-Do Choi Method for reducing electromagnetic field of terminal and terminal having structure for reducing electromagnetic field
CA2615997A1 (en) * 2007-02-01 2008-08-01 Resonance Microwave Systems Inc. Wireless communication systems and methods and transmitter units for use therein
KR101335824B1 (en) * 2007-04-19 2013-12-03 엘지전자 주식회사 Mobile terminal
FR2937826B1 (en) * 2008-10-23 2016-05-13 Dephasium DEVICE FOR BIOLOGICAL PROTECTION AGAINST ELECTROMAGNETIC WAVES EMITTED BY A MOBILE TELEPHONE
TWI390943B (en) * 2009-06-15 2013-03-21 Htc Corp Handheld electronic device
US20110273341A1 (en) * 2010-05-10 2011-11-10 Samsung Electronics Co., Ltd. Communication terminal and antenna apparatus thereof
US9190723B1 (en) * 2010-09-28 2015-11-17 The Board of Trustees for and on behalf of the University of Alabama Multi-input and multi-output (MIMO) antenna system with absorbers for reducing interference
CN102123186A (en) * 2011-01-28 2011-07-13 惠州硕贝德无线科技股份有限公司 Method for solving electromagnetic compatibility of antennae of mobile phone
TWI497830B (en) 2011-08-31 2015-08-21 Ind Tech Res Inst Communication device and method for enhanceing impedance bandwidth of antenna thereof
CN103378420B (en) * 2012-04-28 2016-06-08 国基电子（上海）有限公司 Antenna system
US9379757B2 (en) * 2013-05-22 2016-06-28 Green Swan, Inc. Device for reflecting microwave waves in wave cancelling interference patterns

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04127723A (en) * 1990-09-19 1992-04-28 Nec Corp Portable telephone set
US5335366A (en) * 1993-02-01 1994-08-02 Daniels John J Radiation shielding apparatus for a radio transmitting device
US5530919A (en) * 1993-10-12 1996-06-25 Murata Manufacturing Co., Ltd. Mobile communicator with means for attenuating transmitted output toward the user
US5657386A (en) * 1995-09-06 1997-08-12 Schwanke; Jurgen H. Electromagnetic shield for cellular telephone
KR100196464B1 (en) * 1996-03-04 1999-06-15 이헌일 Em protecting device
JP2000165126A (en) * 1998-11-30 2000-06-16 Matsushita Electric Ind Co Ltd Antenna system
JP2000236378A (en) * 1999-02-16 2000-08-29 Matsushita Electric Ind Co Ltd Portable telephone set
KR20010004442A (en) * 1999-06-29 2001-01-15 김대기 An electromagnetic wave shielding device of mobil communication system
US6184835B1 (en) * 2000-01-06 2001-02-06 Chien-Chuan Chen Electromagnetic wave preventing cover of a mobile phone handset
KR200196375Y1 (en) * 2000-01-12 2000-09-15 최대규 Portable wireless communication terminal having reflected antenna to protecting electro magnetic interference
US20010053464A1 (en) * 2000-01-28 2001-12-20 Ra Chang Ho Telecommunication apparatus having electromagnetic wave absorbing device
JP4206612B2 (en) * 2000-06-07 2009-01-14 ソニー株式会社 Mobile phone
AU2001279605A1 (en) * 2000-08-14 2002-02-25 Conceptech A shielding device for a hand-held radiophone
AU2001220269A1 (en) * 2000-09-30 2002-04-15 Radio Research Laboratory Antenna module for cellular phone with two helix antennas

Also Published As

Publication number Publication date
US7099631B2 (en) 2006-08-29
WO2002021633A1 (en) 2002-03-14
US20040023682A1 (en) 2004-02-05

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