GB2367443A - Means of reducing radiation in a mobile phone earpiece by the use of ferrite beads - Google Patents

Means of reducing radiation in a mobile phone earpiece by the use of ferrite beads Download PDF

Info

Publication number
GB2367443A
GB2367443A GB0008238A GB0008238A GB2367443A GB 2367443 A GB2367443 A GB 2367443A GB 0008238 A GB0008238 A GB 0008238A GB 0008238 A GB0008238 A GB 0008238A GB 2367443 A GB2367443 A GB 2367443A
Authority
GB
United Kingdom
Prior art keywords
cable assembly
earpiece
mobile phone
cable
handset
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.)
Withdrawn
Application number
GB0008238A
Other versions
GB0008238D0 (en
Inventor
Hassan Paddy Abdel Salam
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 GB0008238A priority Critical patent/GB2367443A/en
Publication of GB0008238D0 publication Critical patent/GB0008238D0/en
Publication of GB2367443A publication Critical patent/GB2367443A/en
Withdrawn legal-status Critical Current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

Abstract

A mobile phone 1, having an earpiece 5 connected to the mobile phone by an electrical cable 4 has ferrite beads 6 surrounding a portion of the cable 4 that is near the earpiece 5.

Description

Improvements To Mobile Phones The present invention is concerned with reducing the amount of radiation entering the head of a mobile phone user who is wearing an ear piece for listening to the mobile
phone.
A mobile phone according to the invention includes an ear piece that is connected to
mobile phone unit by an electrical cable that threads at least one ferrite bead placed near the ear piece.
FIG. 1 illustrates an embodiment of the invention. Connected to mobile phone unit 1 via a cable 2 is a microphone unit 3, and via a continuation cable 4 an ear piece 5 which produces sound. Surrounding cable 4 are ferrite beads 6 that suppress the transmission of radio frequency waves along cable 4. The holes of the beads are filled with plastic material to keep the beads in place. One or more beads 6 my also surround cable 2.

Claims (8)

  1. What is claimed is : 1. A mobile phone including an ear piece that is connected to mobile phone unit by an electrical cable that threads at least one ferrite bead near the ear piece.
    Amendments to the claims have been filed as follows What is claimed is: 1. An elongate cable assembly for use with a mobile phone handset, the cable assembly having a first end thereof comprising an earpiece that converts electrical energy into sound and having a second end thereof comprising a connector for electrically joining the cable assembly to a mobile phone handset, whereby the handset can be remote from the earpiece and the user's head; the cable assembly having conductor paths leading from said connector to said earpiece, for driving the earpiece, each of said conductor paths being provided with a ferrite member, remote from said connector, for reducing radiation entering the user's head via said cable assembly.
  2. 2. A cable assembly according to claim 1 wherein said ferrite member has a hole in it through which a current carrying part of said cable assembly is threaded.
  3. 3. A cable assembly according to claim 1 or 2 including a unit housing a microphone, a first length of cable between said unit and said earpiece and a second length of cable connected between said unit and said connector.
  4. 4. A cable assembly according to any preceding claim including a plurality of ferrite members for reducing radiation entering the user's head via said cable assembly.
  5. 5. A cable assembly according to claim 3 including at least one suppresser using ferrite placed between said microphone housing unit and said earpiece.
  6. 6. A cable assembly according to claim 3 or 5 including at least one suppresser using ferrite placed between said microphone housing unit and said connector.
  7. 7. A cable assembly according to any preceding claim wherein said ferrite member has a hole in it through which a plurality of separate conductors are threaded.
  8. 8. A mobile phone assembly comprising a mobile phone handset having a transmitter aerial and a hands-free kit connected to the handset, the kit comprising a cable leading to an earpiece remote from the handset and there being two electrical paths for energising said earpiece, each of the paths including an inductor for reducing transmission of radio frequency energy from the handset to the earpiece.
GB0008238A 2000-04-04 2000-04-04 Means of reducing radiation in a mobile phone earpiece by the use of ferrite beads Withdrawn GB2367443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0008238A GB2367443A (en) 2000-04-04 2000-04-04 Means of reducing radiation in a mobile phone earpiece by the use of ferrite beads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0008238A GB2367443A (en) 2000-04-04 2000-04-04 Means of reducing radiation in a mobile phone earpiece by the use of ferrite beads

Publications (2)

Publication Number Publication Date
GB0008238D0 GB0008238D0 (en) 2000-05-24
GB2367443A true GB2367443A (en) 2002-04-03

Family

ID=9889153

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0008238A Withdrawn GB2367443A (en) 2000-04-04 2000-04-04 Means of reducing radiation in a mobile phone earpiece by the use of ferrite beads

Country Status (1)

Country Link
GB (1) GB2367443A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2387288A (en) * 2002-04-07 2003-10-08 Yaron Mayer Non-electrically conductive connection between user and cellular phone
GR20050100283A (en) * 2005-06-08 2007-01-19 Νικολαος Ιωαννη Κεραμιδας Passive device for attenuation of the high-frequency radiation power from cables that are connected to wireless mobile phone devices.
DE102010053639A1 (en) * 2010-12-07 2012-06-14 Rohde & Schwarz Gmbh & Co. Kg Lightning rod for protecting helix or spiral shaped radiation antenna system i.e. omni radiator, from lightning strikes in air traffic control, has thick segments for positioning ring, where rod is partially surrounded with ferrite tube
US20130029725A1 (en) * 2011-07-29 2013-01-31 Safer Technologies Llc Health risk,mitigating, retractable, wired headset and protective case platform for wireless communication devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361405A (en) * 1989-09-14 1994-11-01 Ramsey Electronics, Inc. Aircraft band radio receiver which does not radiate interfering signals
US5557653A (en) * 1993-07-27 1996-09-17 Spectralink Corporation Headset for hands-free wireless telephone
US5966643A (en) * 1993-05-14 1999-10-12 Alcatel N.V. Hand-held radiotelephone having two-part construction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5361405A (en) * 1989-09-14 1994-11-01 Ramsey Electronics, Inc. Aircraft band radio receiver which does not radiate interfering signals
US5966643A (en) * 1993-05-14 1999-10-12 Alcatel N.V. Hand-held radiotelephone having two-part construction
US5557653A (en) * 1993-07-27 1996-09-17 Spectralink Corporation Headset for hands-free wireless telephone

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2387288A (en) * 2002-04-07 2003-10-08 Yaron Mayer Non-electrically conductive connection between user and cellular phone
GR20050100283A (en) * 2005-06-08 2007-01-19 Νικολαος Ιωαννη Κεραμιδας Passive device for attenuation of the high-frequency radiation power from cables that are connected to wireless mobile phone devices.
DE102010053639A1 (en) * 2010-12-07 2012-06-14 Rohde & Schwarz Gmbh & Co. Kg Lightning rod for protecting helix or spiral shaped radiation antenna system i.e. omni radiator, from lightning strikes in air traffic control, has thick segments for positioning ring, where rod is partially surrounded with ferrite tube
US20130029725A1 (en) * 2011-07-29 2013-01-31 Safer Technologies Llc Health risk,mitigating, retractable, wired headset and protective case platform for wireless communication devices
US8996064B2 (en) * 2011-07-29 2015-03-31 Safer Technologies, LLC Health risk, mitigating, retractable, wired headset and protective case platform for wireless communication devices

Also Published As

Publication number Publication date
GB0008238D0 (en) 2000-05-24

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)