FI982226A - Cellulär radiotelefon - Google Patents

Cellulär radiotelefon Download PDF

Info

Publication number
FI982226A
FI982226A FI982226A FI982226A FI982226A FI 982226 A FI982226 A FI 982226A FI 982226 A FI982226 A FI 982226A FI 982226 A FI982226 A FI 982226A FI 982226 A FI982226 A FI 982226A
Authority
FI
Finland
Prior art keywords
cellular radio
radio telephone
telephone
cellular
radio
Prior art date
Application number
FI982226A
Other languages
English (en)
Finnish (fi)
Other versions
FI982226A0 (sv
Inventor
Nils Martensson
Original Assignee
Radio Design 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 Radio Design Ltd filed Critical Radio Design Ltd
Publication of FI982226A0 publication Critical patent/FI982226A0/sv
Publication of FI982226A publication Critical patent/FI982226A/sv

Links

Classifications

    • 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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/526—Electromagnetic shields
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
FI982226A 1997-10-28 1998-10-14 Cellulär radiotelefon FI982226A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9722603A GB2330979A (en) 1997-10-28 1997-10-28 A radiation shield for a mobile telephone

Publications (2)

Publication Number Publication Date
FI982226A0 FI982226A0 (sv) 1998-10-14
FI982226A true FI982226A (sv) 1999-04-29

Family

ID=10821114

Family Applications (1)

Application Number Title Priority Date Filing Date
FI982226A FI982226A (sv) 1997-10-28 1998-10-14 Cellulär radiotelefon

Country Status (3)

Country Link
FI (1) FI982226A (sv)
GB (1) GB2330979A (sv)
SE (1) SE9803491L (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1100145B1 (en) * 1999-11-03 2005-02-23 Q-Free MagCom AS Portable radio communication device, such as a portable telephone
EP1098389B1 (en) * 1999-11-03 2005-04-13 Q-Free MagCom AS Portable radio communication device, such as a portable telephone provided with frictional supporting means
IT1315447B1 (it) * 1999-11-08 2003-02-11 Giovanni Savastano Sistema di schermatura metallica anti radiazioni a riflettoreper apparecchi cellulari, apparati radio rice-trasmittenti,
GB2376590A (en) * 2001-03-06 2002-12-18 Benjamin Edginton Radiation shield for a radiotelephone
GB2386474A (en) * 2002-03-07 2003-09-17 Leslie Ronald Wilson Mobile telephone with radiation shielding
DE10238967A1 (de) * 2002-06-04 2003-12-18 Curtis 1000 Europ Ag Mobiltelefon
DE20302654U1 (de) * 2003-02-18 2003-07-24 Gees, Wolfgang, 33758 Schloß Holte-Stukenbrock Telefone mit integrierter Strahlenabwehr
CN100511532C (zh) 2005-04-13 2009-07-08 摩托罗拉公司 电容器组合与包括该电容器组合的通信设备
MX2020005339A (es) * 2017-09-29 2020-10-14 Rowtan Tech Llc Dispositivos de reflexion, deflexion y/o absorcion de radiacion electromagnetica emitida por un dispositivo electronico y metodos para estos.
CN110416697B (zh) * 2018-04-28 2021-04-23 Oppo广东移动通信有限公司 电子装置及电子装置的控制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2699773A1 (fr) * 1992-12-17 1994-06-24 Alsthom Cge Alcatel Emetteur radio portable.
US5335366A (en) * 1993-02-01 1994-08-02 Daniels John J Radiation shielding apparatus for a radio transmitting device
FI930646A (sv) * 1993-02-15 1994-08-16 Increa Oy Radioutrustning
GB9304980D0 (en) * 1993-03-11 1993-04-28 Wilson Leslie R Improvements in or realting to an accessory for a mobile telephone
EP0954050A1 (en) * 1993-05-27 1999-11-03 Griffith University Antennas for use in portable communications devices
GB2302474B (en) * 1995-10-27 1997-06-11 Leslie Ronald Wilson Improvements in or relating to a shielding device

Also Published As

Publication number Publication date
SE9803491L (sv) 1999-04-29
FI982226A0 (sv) 1998-10-14
GB2330979A (en) 1999-05-05
GB9722603D0 (en) 1997-12-24
SE9803491D0 (sv) 1998-10-14

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