GB2349747B - Anti-radiation device - Google Patents

Anti-radiation device

Info

Publication number
GB2349747B
GB2349747B GB9910477A GB9910477A GB2349747B GB 2349747 B GB2349747 B GB 2349747B GB 9910477 A GB9910477 A GB 9910477A GB 9910477 A GB9910477 A GB 9910477A GB 2349747 B GB2349747 B GB 2349747B
Authority
GB
United Kingdom
Prior art keywords
radiation device
radiation
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
GB9910477A
Other versions
GB9910477D0 (en
GB2349747A (en
Inventor
Wing Kei Wong
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
Priority to GB9910477A priority Critical patent/GB2349747B/en
Publication of GB9910477D0 publication Critical patent/GB9910477D0/en
Publication of GB2349747A publication Critical patent/GB2349747A/en
Application granted granted Critical
Publication of GB2349747B publication Critical patent/GB2349747B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Telephone Set Structure (AREA)
GB9910477A 1999-05-06 1999-05-06 Anti-radiation device Expired - Fee Related GB2349747B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9910477A GB2349747B (en) 1999-05-06 1999-05-06 Anti-radiation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9910477A GB2349747B (en) 1999-05-06 1999-05-06 Anti-radiation device

Publications (3)

Publication Number Publication Date
GB9910477D0 GB9910477D0 (en) 1999-07-07
GB2349747A GB2349747A (en) 2000-11-08
GB2349747B true GB2349747B (en) 2001-03-21

Family

ID=10852920

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9910477A Expired - Fee Related GB2349747B (en) 1999-05-06 1999-05-06 Anti-radiation device

Country Status (1)

Country Link
GB (1) GB2349747B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2363909A (en) * 2000-04-26 2002-01-09 Ecoflow Ltd Device for reducing the harmful effects of electromagnetic radiation from a mobile phone.
ES2170663B1 (en) * 2000-05-19 2003-12-16 Hueto Leon Francisco M RADIATION PROTECTION SCREEN, POLARIZED, FOR MOBILE PHONE.

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5338896A (en) * 1993-09-03 1994-08-16 Danforth David M Shield device for cellular phones
GB2276494A (en) * 1993-03-24 1994-09-28 Mcgrath James Joseph Mobile telephone shield.
WO1994022233A1 (en) * 1993-03-12 1994-09-29 Bickert Paul F Radio frequency radiation shield for hand-held radio phone
DE29610165U1 (en) * 1996-06-10 1996-08-22 Schmitz, Wolfgang, Dr.med., 68165 Mannheim Partial shielding for antennas of cordless high-frequency transmitters
US5613221A (en) * 1993-04-12 1997-03-18 J. R. Hunt Ventures Radiation shield for cellular telephones
DE29621107U1 (en) * 1996-12-05 1997-05-22 Schmitz, Wolfgang, Dr.med., 68165 Mannheim Removable device for partial shielding of magnetic field components for antennas of handheld radios
JPH09223888A (en) * 1996-02-15 1997-08-26 Saburo Ishikawa Electromagnetic shield plate of portable telephone
EP0805562A2 (en) * 1996-04-29 1997-11-05 Siemens Business Communication Systems, Inc. Radio-frequency hearing aid protector for wireless communications products
US5694137A (en) * 1995-04-05 1997-12-02 Wood; Richard L. Communication device antenna shield
US5826201A (en) * 1992-11-25 1998-10-20 Asterion, Inc. Antenna microwave shield for cellular telephone
WO1999001907A1 (en) * 1997-07-02 1999-01-14 Helmut Podobnik Protection from electrosmog
DE29723741U1 (en) * 1997-06-05 1999-02-18 Ahrens, Elvira, 38855 Wernigerode Radiation protection device for handheld radios, in particular cordless telephones

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5826201A (en) * 1992-11-25 1998-10-20 Asterion, Inc. Antenna microwave shield for cellular telephone
WO1994022233A1 (en) * 1993-03-12 1994-09-29 Bickert Paul F Radio frequency radiation shield for hand-held radio phone
GB2276494A (en) * 1993-03-24 1994-09-28 Mcgrath James Joseph Mobile telephone shield.
US5613221A (en) * 1993-04-12 1997-03-18 J. R. Hunt Ventures Radiation shield for cellular telephones
US5338896A (en) * 1993-09-03 1994-08-16 Danforth David M Shield device for cellular phones
US5694137A (en) * 1995-04-05 1997-12-02 Wood; Richard L. Communication device antenna shield
JPH09223888A (en) * 1996-02-15 1997-08-26 Saburo Ishikawa Electromagnetic shield plate of portable telephone
EP0805562A2 (en) * 1996-04-29 1997-11-05 Siemens Business Communication Systems, Inc. Radio-frequency hearing aid protector for wireless communications products
DE29610165U1 (en) * 1996-06-10 1996-08-22 Schmitz, Wolfgang, Dr.med., 68165 Mannheim Partial shielding for antennas of cordless high-frequency transmitters
DE29621107U1 (en) * 1996-12-05 1997-05-22 Schmitz, Wolfgang, Dr.med., 68165 Mannheim Removable device for partial shielding of magnetic field components for antennas of handheld radios
DE29723741U1 (en) * 1997-06-05 1999-02-18 Ahrens, Elvira, 38855 Wernigerode Radiation protection device for handheld radios, in particular cordless telephones
WO1999001907A1 (en) * 1997-07-02 1999-01-14 Helmut Podobnik Protection from electrosmog

Also Published As

Publication number Publication date
GB9910477D0 (en) 1999-07-07
GB2349747A (en) 2000-11-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030506