GB0610064D0 - Antenna system - Google Patents

Antenna system

Info

Publication number
GB0610064D0
GB0610064D0 GBGB0610064.8A GB0610064A GB0610064D0 GB 0610064 D0 GB0610064 D0 GB 0610064D0 GB 0610064 A GB0610064 A GB 0610064A GB 0610064 D0 GB0610064 D0 GB 0610064D0
Authority
GB
United Kingdom
Prior art keywords
antenna system
antenna
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.)
Granted
Application number
GBGB0610064.8A
Other versions
GB2426632A (en
GB2426632B (en
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric Co 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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Publication of GB0610064D0 publication Critical patent/GB0610064D0/en
Publication of GB2426632A publication Critical patent/GB2426632A/en
Application granted granted Critical
Publication of GB2426632B publication Critical patent/GB2426632B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/04—Screened antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
    • H01Q7/08—Ferrite rod or like elongated core
GB0610064A 2005-05-26 2006-05-19 Antenna system Active GB2426632B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005154455A JP4537260B2 (en) 2005-05-26 2005-05-26 Antenna device

Publications (3)

Publication Number Publication Date
GB0610064D0 true GB0610064D0 (en) 2006-06-28
GB2426632A GB2426632A (en) 2006-11-29
GB2426632B GB2426632B (en) 2009-01-28

Family

ID=36660554

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0610064A Active GB2426632B (en) 2005-05-26 2006-05-19 Antenna system

Country Status (2)

Country Link
JP (1) JP4537260B2 (en)
GB (1) GB2426632B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009078659A (en) * 2007-09-26 2009-04-16 Pacific Ind Co Ltd Portable remote controller for tire state detecting device
KR101101490B1 (en) 2009-11-24 2012-01-03 삼성전기주식회사 Wireless apparatus having shield function
GB201111120D0 (en) * 2011-06-29 2011-08-10 Roke Manor Research Reduced Q low frequency antenna

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB632356A (en) * 1944-05-09 1949-11-28 Wladimir John Polydoroff Improvements in and relating to loop antenna apparatus
GB746985A (en) * 1953-03-20 1956-03-21 Blaupunkt Werke Gmbh Improvements relating to antenna circuit arrangements for radio receivers
US3721989A (en) * 1971-06-30 1973-03-20 Northrop Corp Cross loop antenna
JPS59208902A (en) * 1983-05-12 1984-11-27 Omron Tateisi Electronics Co Double frequency tuning type antenna
AT386499B (en) * 1986-07-29 1988-08-25 Philips Nv BROADCAST RECEIVER
JPH0314821U (en) * 1989-06-26 1991-02-14
JPH08102613A (en) * 1994-09-30 1996-04-16 Alpha Corp Radio transmission circuit
JP3927727B2 (en) * 1999-04-27 2007-06-13 古野電気株式会社 Antenna device
US6529169B2 (en) * 2000-07-06 2003-03-04 C. Crane Company, Inc. Twin coil antenna

Also Published As

Publication number Publication date
GB2426632A (en) 2006-11-29
JP2006333134A (en) 2006-12-07
GB2426632B (en) 2009-01-28
JP4537260B2 (en) 2010-09-01

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