JP2002503432A - 通信装置 - Google Patents
通信装置Info
- Publication number
- JP2002503432A JP2002503432A JP54908199A JP54908199A JP2002503432A JP 2002503432 A JP2002503432 A JP 2002503432A JP 54908199 A JP54908199 A JP 54908199A JP 54908199 A JP54908199 A JP 54908199A JP 2002503432 A JP2002503432 A JP 2002503432A
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- terminal
- loop
- parameter
- impedance
- 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
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
-
- 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
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
- H01Q1/46—Electric supply lines or communication lines
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Transceivers (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 少なくとも2つの端子対が決められた複数の給電端子と、選択された端子 対を用いてループアンテナからの受信及び送信を可能とするために1つの端子対 を選択する制御手段とを含む通信装置であって、 端子対の選択は、アンテナの動作周波数付近で電磁エネルギーを吸収する物体 からアンテナへの近さに応ずる少なくとも1つのパラメータの測定値に基づいて 、制御手段によって行われる通信装置。 2. 上記パラメータはアンテナの帯域幅を含む、請求項1記載の装置。 3. 上記パラメータは端子対において測定されたループのインピーダンスを含 む、請求項1記載の装置。 4. 上記パラメータはアンテナにおける既知の信号の受信品質を含む、請求項 1記載の装置。 5. 少なくとも2つの端子対の夫々の1つの端子は、対に共通である、請求項 1乃至4のうちいずれか一項記載の装置。 6. 請求項1乃至5のうちいずれか一項記載の通信装置を含むページャ。 7. 少なくとも2つの端子対が決められた複数の給電端子を有するループアン テナを含む通信装置中の1つの端子対を選択する方法であって、 アンテナの動作周波数付近で電磁エネルギーを吸収する物体から アンテナへの近さに応じて少なくとも1つのパラメータを測定する段階を含む方 法。 8. パラメータはアンテナの帯域幅を含む、請求項7記載の方法。 9. パラメータは端子対において測定されるループのインピーダンスを含む、 請求項7記載の方法。 10. パラメータは、アンテナにおける既知の信号の受信品質を含む、請求項 7記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9806612.9A GB9806612D0 (en) | 1998-03-28 | 1998-03-28 | Communication device |
GB9806612.9 | 1998-03-28 | ||
PCT/IB1999/000355 WO1999050928A2 (en) | 1998-03-28 | 1999-03-02 | Communications device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002503432A true JP2002503432A (ja) | 2002-01-29 |
JP4223568B2 JP4223568B2 (ja) | 2009-02-12 |
Family
ID=10829398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54908199A Expired - Fee Related JP4223568B2 (ja) | 1998-03-28 | 1999-03-02 | 通信装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5995054A (ja) |
EP (1) | EP0986836B1 (ja) |
JP (1) | JP4223568B2 (ja) |
KR (1) | KR100599325B1 (ja) |
CN (1) | CN1156050C (ja) |
DE (1) | DE69936561T2 (ja) |
GB (1) | GB9806612D0 (ja) |
TW (1) | TW480772B (ja) |
WO (1) | WO1999050928A2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9806488D0 (en) * | 1998-03-27 | 1998-05-27 | Philips Electronics Nv | Radio apparatus |
US6522308B1 (en) * | 2000-01-03 | 2003-02-18 | Ask S.A. | Variable capacitance coupling antenna |
WO2005086788A2 (en) * | 2004-03-08 | 2005-09-22 | Nuvo Holdings, L.L.C. | Rf communications apparatus and manufacturing method threfor |
US20050245204A1 (en) * | 2004-05-03 | 2005-11-03 | Vance Scott L | Impedance matching circuit for a mobile communication device |
US7307402B2 (en) | 2004-07-19 | 2007-12-11 | Avestor Limited Partnership | Method of charging alkali metal polymer batteries |
US9825364B2 (en) * | 2014-06-12 | 2017-11-21 | Verily Life Sciences Llc | Adaptive antenna tuning based on measured antenna impedance |
JP6361431B2 (ja) * | 2014-09-30 | 2018-07-25 | 富士通株式会社 | 周波数特性調整用治具、アンテナ検査装置及びアンテナ検査方法及びならびにループアンテナ |
US9553640B1 (en) * | 2015-12-22 | 2017-01-24 | Microsoft Technology Licensing, Llc | Using multi-feed antennas |
US10804599B2 (en) | 2016-12-20 | 2020-10-13 | Sonova Ag | BTE hearing instrument comprising a loop antenna |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4862516A (en) * | 1987-01-02 | 1989-08-29 | Motorola, Inc. | System for automatically tuning the antenna of a miniature portable communications device |
JP2624257B2 (ja) * | 1987-06-29 | 1997-06-25 | 日本電気株式会社 | 無線機用アンテナ |
WO1992020117A1 (en) * | 1991-05-09 | 1992-11-12 | Seiko Epson Corporation | Antenna and small portable radio device |
KR0150247B1 (ko) * | 1993-02-25 | 1998-11-02 | 안쏘니 제이. 살리, 주니어 | 외부 안테니가 은폐된 수신기 |
JP3046233B2 (ja) * | 1995-12-22 | 2000-05-29 | 三菱電機株式会社 | 薄型受信装置並びに送信装置 |
JPH1022727A (ja) * | 1996-07-02 | 1998-01-23 | Murata Mfg Co Ltd | アンテナ装置 |
-
1998
- 1998-03-28 GB GBGB9806612.9A patent/GB9806612D0/en not_active Ceased
-
1999
- 1999-03-02 DE DE69936561T patent/DE69936561T2/de not_active Expired - Lifetime
- 1999-03-02 KR KR1019997010987A patent/KR100599325B1/ko not_active IP Right Cessation
- 1999-03-02 CN CNB998003441A patent/CN1156050C/zh not_active Expired - Fee Related
- 1999-03-02 EP EP99903870A patent/EP0986836B1/en not_active Expired - Lifetime
- 1999-03-02 WO PCT/IB1999/000355 patent/WO1999050928A2/en active IP Right Grant
- 1999-03-02 JP JP54908199A patent/JP4223568B2/ja not_active Expired - Fee Related
- 1999-03-10 TW TW088103686A patent/TW480772B/zh not_active IP Right Cessation
- 1999-03-24 US US09/275,366 patent/US5995054A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0986836A2 (en) | 2000-03-22 |
DE69936561D1 (de) | 2007-08-30 |
GB9806612D0 (en) | 1998-05-27 |
WO1999050928A2 (en) | 1999-10-07 |
CN1156050C (zh) | 2004-06-30 |
CN1262793A (zh) | 2000-08-09 |
DE69936561T2 (de) | 2008-03-20 |
KR20010013013A (ko) | 2001-02-26 |
WO1999050928A3 (en) | 1999-11-18 |
JP4223568B2 (ja) | 2009-02-12 |
EP0986836B1 (en) | 2007-07-18 |
KR100599325B1 (ko) | 2006-07-14 |
US5995054A (en) | 1999-11-30 |
TW480772B (en) | 2002-03-21 |
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