ZA969004B - Shielding device - Google Patents

Shielding device

Info

Publication number
ZA969004B
ZA969004B ZA969004A ZA969004A ZA969004B ZA 969004 B ZA969004 B ZA 969004B ZA 969004 A ZA969004 A ZA 969004A ZA 969004 A ZA969004 A ZA 969004A ZA 969004 B ZA969004 B ZA 969004B
Authority
ZA
South Africa
Prior art keywords
shielding device
shielding
Prior art date
Application number
ZA969004A
Other languages
English (en)
Inventor
Leslie Ronald Wilson
Original Assignee
Leslie Ronald Wilson
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 Leslie Ronald Wilson filed Critical Leslie Ronald Wilson
Publication of ZA969004B publication Critical patent/ZA969004B/xx

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
    • 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
    • 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

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)
  • Support Of Aerials (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Details Of Aerials (AREA)
  • Transceivers (AREA)
ZA969004A 1995-10-27 1996-10-25 Shielding device ZA969004B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9522050A GB2302474B (en) 1995-10-27 1995-10-27 Improvements in or relating to a shielding device

Publications (1)

Publication Number Publication Date
ZA969004B true ZA969004B (en) 1997-05-30

Family

ID=10783000

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA969004A ZA969004B (en) 1995-10-27 1996-10-25 Shielding device

Country Status (17)

Country Link
US (1) US6088603A (es)
EP (1) EP0857374A1 (es)
JP (1) JPH11513867A (es)
KR (1) KR19990067069A (es)
CN (1) CN1203709A (es)
AR (1) AR004105A1 (es)
AU (1) AU721616B2 (es)
BR (1) BR9611344A (es)
EA (1) EA000518B1 (es)
EG (1) EG21208A (es)
GB (1) GB2302474B (es)
NO (1) NO981897L (es)
NZ (1) NZ320440A (es)
TR (1) TR199800820T2 (es)
TW (1) TW453623U (es)
WO (1) WO1997015982A1 (es)
ZA (1) ZA969004B (es)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT237859Y1 (it) * 1997-08-08 2000-09-29 Scaccabarozzi Marco Apparecchiatura portatile per telecomunicazioni con mezzi dischermatura delle radiazioni elettromagnetiche emesse
GB9722467D0 (en) * 1997-10-24 1997-12-24 Nett Limited Shielding system for mobile and radio telephones
GB2330726A (en) * 1997-10-24 1999-04-28 Nett Enterprises Limited Radiation shielding case for mobile and radio telephones.
GB2330979A (en) * 1997-10-28 1999-05-05 Radio Design Limited A radiation shield for a mobile telephone
EP0936746A1 (de) * 1998-02-17 1999-08-18 Almo Catlak Bereitschaftstasche eines mobiltelefons
GB9819029D0 (en) * 1998-09-01 1998-10-28 Dawkins Derek A mobile telephone carrying case
US6341217B1 (en) * 1999-02-01 2002-01-22 A. W. Technologies, Llc Portable telephone with shielded transmission antenna
SE9901680L (sv) * 1999-05-06 2000-11-07 Stjernvall Christian Richtner Mobiltelefon och antenn för en sådan
GB2350725A (en) * 1999-06-03 2000-12-06 Peter Hawton Mobile phone aerial radiation shield
GB2353143A (en) * 1999-06-12 2001-02-14 Angela Randall Shield for mobile phone
US6163302A (en) * 1999-10-29 2000-12-19 Telefonaktiebolaget Lm Ericsson (Publ) Flexible dual-mode antenna for mobile stations
US20020009976A1 (en) * 2000-01-07 2002-01-24 Rashidi Taymor S. Radiation protection device for cellular telephones
JP2002026627A (ja) * 2000-07-05 2002-01-25 Sony Corp アンテナ装置及び携帯型無線端末
US6997684B2 (en) * 2000-08-30 2006-02-14 Ebm-Papst St. Georgen Gmbh & Co. Kg Fan motor with digital controller for applying substantially constant driving current
US6738650B1 (en) * 2000-11-28 2004-05-18 Motorola, Inc. Radiation shielding tri-band antenna adapted to provide dual band polarizations
AU2002222480A1 (en) * 2000-12-14 2002-06-24 Xellant Inc. Cavity antenna with reactive surface loading
US7171248B1 (en) * 2001-08-31 2007-01-30 Larry K. Brown Electromagnetic shielding system
US20040198264A1 (en) * 2002-08-22 2004-10-07 Ben Saur Telephone radiation shielding devices
US6897826B1 (en) * 2003-07-21 2005-05-24 Kim R. Kunz Radio frequency radiation shield unit for wireless telephones
TWI249935B (en) * 2003-10-22 2006-02-21 Univ Nat Taiwan Science Tech Mobile phone with reduced specific absorption rate (SAR) of electromagnetic waves on human body
US7171193B2 (en) * 2004-03-22 2007-01-30 The Hoffman Group Llc Telecommunications interruption and disconnection apparatus and methods
WO2006134807A1 (ja) * 2005-06-17 2006-12-21 Orient Instrument Computer Co., Ltd. 携帯端末装置及びスキミング防止装置
AT505941B1 (de) * 2007-12-03 2009-05-15 Franz Bergmueller Strahlenschutzeinrichtung für mobiltelefone

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2887956B2 (ja) * 1991-07-11 1999-05-10 日本電気株式会社 携帯無線機
DE4221121C1 (de) * 1992-06-26 1993-10-21 Siemens Ag Handfunkgerät
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
WO1995031048A1 (en) * 1993-02-01 1995-11-16 Daniels John J Radiation shielding apparatus for a radio transmitting device
US5336896A (en) * 1993-02-04 1994-08-09 Katz Joseph M Cellular telephone users protective device
FI930646A (fi) * 1993-02-15 1994-08-16 Increa Oy Radiolaite
US5550552A (en) * 1993-02-18 1996-08-27 L. Thomas Oxley Radiation shield
US5444866A (en) * 1993-02-24 1995-08-22 Cykiert; Robert C. Device for shielding a cellular telephone user from electromagnetic waves
US5507012A (en) * 1993-03-17 1996-04-09 Luxon; Kevin N. Shield apparatus for absorbing microwave energy for hand held telephones
US5493702A (en) * 1993-04-05 1996-02-20 Crowley; Robert J. Antenna transmission coupling arrangement
US5367309A (en) * 1993-07-09 1994-11-22 Richard Tashjian Cellular phone shield
US5338896A (en) * 1993-09-03 1994-08-16 Danforth David M Shield device for cellular phones
US5530919A (en) * 1993-10-12 1996-06-25 Murata Manufacturing Co., Ltd. Mobile communicator with means for attenuating transmitted output toward the user
US5694137A (en) * 1995-04-05 1997-12-02 Wood; Richard L. Communication device antenna shield

Also Published As

Publication number Publication date
NZ320440A (en) 1999-10-28
GB9522050D0 (en) 1996-01-03
KR19990067069A (ko) 1999-08-16
GB2302474A (en) 1997-01-15
TW453623U (en) 2001-09-01
CN1203709A (zh) 1998-12-30
MX9803309A (es) 1998-11-29
JPH11513867A (ja) 1999-11-24
WO1997015982A1 (en) 1997-05-01
EG21208A (en) 2001-01-31
GB2302474B (en) 1997-06-11
EA199800407A1 (ru) 1998-12-24
AU721616B2 (en) 2000-07-13
EP0857374A1 (en) 1998-08-12
AU7317696A (en) 1997-05-15
NO981897D0 (no) 1998-04-27
TR199800820T2 (xx) 1998-08-21
BR9611344A (pt) 1999-12-28
EA000518B1 (ru) 1999-10-28
AR004105A1 (es) 1998-09-30
NO981897L (no) 1998-06-15
US6088603A (en) 2000-07-11

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