DE69401648T2 - Radiofrequenzabschirmung für ein tragbares funkgerät - Google Patents

Radiofrequenzabschirmung für ein tragbares funkgerät

Info

Publication number
DE69401648T2
DE69401648T2 DE69401648T DE69401648T DE69401648T2 DE 69401648 T2 DE69401648 T2 DE 69401648T2 DE 69401648 T DE69401648 T DE 69401648T DE 69401648 T DE69401648 T DE 69401648T DE 69401648 T2 DE69401648 T2 DE 69401648T2
Authority
DE
Germany
Prior art keywords
radio
frequency shielding
phone
portable
radio frequency
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 - Fee Related
Application number
DE69401648T
Other languages
English (en)
Other versions
DE69401648D1 (de
Inventor
Paul F Bickert
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of DE69401648D1 publication Critical patent/DE69401648D1/de
Publication of DE69401648T2 publication Critical patent/DE69401648T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Structure Of Receivers (AREA)
  • Aerials With Secondary Devices (AREA)
DE69401648T 1993-03-12 1994-03-10 Radiofrequenzabschirmung für ein tragbares funkgerät Expired - Fee Related DE69401648T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002091628A CA2091628A1 (en) 1993-03-12 1993-03-12 Radio frequency radiation shield for hand-held radio phone
PCT/CA1994/000126 WO1994022233A1 (en) 1993-03-12 1994-03-10 Radio frequency radiation shield for hand-held radio phone

Publications (2)

Publication Number Publication Date
DE69401648D1 DE69401648D1 (de) 1997-03-13
DE69401648T2 true DE69401648T2 (de) 1997-05-28

Family

ID=4151296

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69401648T Expired - Fee Related DE69401648T2 (de) 1993-03-12 1994-03-10 Radiofrequenzabschirmung für ein tragbares funkgerät

Country Status (7)

Country Link
EP (1) EP0689739B1 (de)
JP (1) JPH08509326A (de)
AT (1) ATE148603T1 (de)
AU (1) AU6153294A (de)
CA (1) CA2091628A1 (de)
DE (1) DE69401648T2 (de)
WO (1) WO1994022233A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666125A (en) * 1993-03-17 1997-09-09 Luxon; Norval N. Radiation shielding and range extending antenna assembly
DE69433176T2 (de) * 1993-05-27 2004-04-29 Griffith University, Nathan Antennen für tragbare kommunikationsgeräte
US6095820A (en) * 1995-10-27 2000-08-01 Rangestar International Corporation Radiation shielding and range extending antenna assembly
CA2139682A1 (en) * 1995-01-05 1996-07-06 Paul Francis Bickert Radiation reduction apparatus for a portable radio communication device
CN1173949A (zh) * 1995-01-05 1998-02-18 保罗·弗朗西斯·比克特 用于便携式无线电通信装置的天线
AU7334896A (en) * 1995-10-26 1997-05-15 Linkage Co., Ltd. Radio communication device and its cover
ES2114473B1 (es) * 1996-02-20 1999-01-16 Amper Datos S A Radomo para telefonia celular.
US6855883B1 (en) * 1997-02-11 2005-02-15 Kazu Investment Co., Ltd. Electromagnetic wave blocking material and electromagnetic wave blocking case
GB2349747B (en) * 1999-05-06 2001-03-21 Wing Kei Wong Anti-radiation device
GB2363909A (en) * 2000-04-26 2002-01-09 Ecoflow Ltd Device for reducing the harmful effects of electromagnetic radiation from a mobile phone.
ES2170663B1 (es) * 2000-05-19 2003-12-16 Hueto Leon Francisco M Pantalla protectora de radiaciones, polarizada, para telefonia movil.
WO2002015658A1 (en) * 2000-08-14 2002-02-21 Conceptech A shielding device for a hand-held radiophone
WO2010016768A1 (en) * 2008-08-04 2010-02-11 Cellmate As Means for protecting a user from emf emissions from devices such as mobile phones
GB2464459B (en) * 2008-10-14 2010-08-25 Max Fairclough A lead radiation absorbing directional shield for mobile phone users
EP2454769B1 (de) 2009-07-14 2018-10-10 BlackBerry Limited Batterie mit geringer magnetischer interferenz
US8357460B2 (en) 2009-07-14 2013-01-22 Research In Motion Limited Low magnetic interference battery and mobile communication device
US9939422B2 (en) 2015-05-21 2018-04-10 Biologistex Ccm, Llc Biologic stability, delivery logistics and administration of time and/or temperature sensitive biologic based materials

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5012114A (en) * 1989-06-28 1991-04-30 Charles H. Yanke Radiation shield
JPH04220851A (ja) * 1990-12-21 1992-08-11 Mitsubishi Electric Corp コードレス電話装置

Also Published As

Publication number Publication date
CA2091628A1 (en) 1994-09-13
WO1994022233A1 (en) 1994-09-29
EP0689739A1 (de) 1996-01-03
EP0689739B1 (de) 1997-01-29
ATE148603T1 (de) 1997-02-15
DE69401648D1 (de) 1997-03-13
AU6153294A (en) 1994-10-11
JPH08509326A (ja) 1996-10-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee