JP4645993B2 - 無線送信機 - Google Patents
無線送信機 Download PDFInfo
- Publication number
- JP4645993B2 JP4645993B2 JP2008251130A JP2008251130A JP4645993B2 JP 4645993 B2 JP4645993 B2 JP 4645993B2 JP 2008251130 A JP2008251130 A JP 2008251130A JP 2008251130 A JP2008251130 A JP 2008251130A JP 4645993 B2 JP4645993 B2 JP 4645993B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- metal plate
- battery
- wireless
- main surface
- 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
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Classifications
-
- 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
- H01Q1/243—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 built-in antennas
-
- 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
- H04B1/02—Transmitters
- H04B1/03—Constructional details, e.g. casings, housings
- H04B1/034—Portable transmitters
- H04B1/0343—Portable transmitters to be carried on the body
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0458—Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
- H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Support Of Aerials (AREA)
Description
図1は無線送信機10及び端末機器70の機能ブロック図を示す。無線送信機10は、送信モジュール14、アンテナ30、電池20、及び金属板40を備える。送信モジュール14は、信号処理回路11、高周波回路12、及びスイッチ13を備える。
Claims (6)
- 無線モジュールと、前記無線モジュールに電力を供給する電池と、金属板とを備え、
前記無線モジュールは、送信信号を生成する送信モジュールと、前記送信信号を無線伝送するためのアンテナとを備え、
前記金属板は、前記電池の一部及び前記アンテナの一部を覆うように配置されており、
前記電池は、前記アンテナと電磁界結合しており、
前記アンテナの主輻射方向は、前記金属板の主面に平行な方向であり、
前記無線送信機は、前記金属板に対向する第一の主面、及び前記第一の主面の裏側である第二の主面を有する実装基板を更に備え、
前記無線モジュールは、前記第一の主面に形成されており、前記無線モジュールのグランド電極は、前記第二の主面に形成されている、無線送信機。 - 請求項1に記載の無線送信機であって、
前記金属板は、前記送信モジュールの一部を更に覆うように配置されている、無線送信機。 - 請求項1又は請求項2に記載の無線送信機であって、
前記金属板は、前記アンテナ及び前記電池に電磁界結合することにより、放射導体として機能する、無線送信機。 - 請求項1乃至請求項3のうち何れか1項に記載の無線送信機であって、
前記送信信号の無線周波数に対応する波長λに対して前記アンテナの電気長がλ/4になるように前記アンテナの給電点の位置が前記実装基板の角部に設定されている、無線送信機。 - 請求項1乃至請求項4のうち何れか1項に記載の無線送信機であって、
前記無線モジュール、前記電池、及び前記金属板を収容するカード型の外装ケースを更に備え、
前記無線モジュール及び前記電池は、前記外装ケースの内部に並置されており、
前記金属板は、前記電池の主面及び前記無線モジュールの主面に対して平行に配置されている、無線送信機。 - 請求項1乃至請求項4のうち何れか1項に記載の無線送信機であって、
カード型の薄型形状をなした外装ケースを更に備え、
前記外装ケースの裏面上に前記アンテナを含む前記無線モジュール、前記電池、及び前記送信モジュールが互いに横並びになるように並置されている、無線送信機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008251130A JP4645993B2 (ja) | 2008-09-29 | 2008-09-29 | 無線送信機 |
US12/585,883 US8412137B2 (en) | 2008-09-29 | 2009-09-28 | Radio transmitter |
EP09171626A EP2169839A3 (en) | 2008-09-29 | 2009-09-29 | Radio transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008251130A JP4645993B2 (ja) | 2008-09-29 | 2008-09-29 | 無線送信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010087565A JP2010087565A (ja) | 2010-04-15 |
JP4645993B2 true JP4645993B2 (ja) | 2011-03-09 |
Family
ID=41490447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008251130A Expired - Fee Related JP4645993B2 (ja) | 2008-09-29 | 2008-09-29 | 無線送信機 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8412137B2 (ja) |
EP (1) | EP2169839A3 (ja) |
JP (1) | JP4645993B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8994677B2 (en) * | 2012-07-03 | 2015-03-31 | Innocom Technology (Shenzhen) Co., Ltd. | Touch sensing structure |
JP6918553B2 (ja) * | 2017-04-05 | 2021-08-11 | 株式会社マキタ | 携帯用加工機 |
EP3613150A4 (en) * | 2017-04-20 | 2020-12-02 | The Board of Trustees of the Leland Stanford Junior University | EXPANDABLE MILLIMETRIC WAVE NETWORKS WITH LARGE OPENINGS ACHIEVED BY MILLIMETRIC WAVE DIELECTRIC WAVE GUIDES |
JP7510106B2 (ja) * | 2019-10-25 | 2024-07-03 | 戸田工業株式会社 | 磁性シート及び無線通信用タグ |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003008334A (ja) * | 2001-06-27 | 2003-01-10 | Kenwood Corp | アンテナ |
JP2005098857A (ja) * | 2003-09-25 | 2005-04-14 | Seiko Epson Corp | アンテナ内蔵式電子時計 |
JP2005109883A (ja) * | 2003-09-30 | 2005-04-21 | Fuji Electric Holdings Co Ltd | 無線端末装置とこれを用いたデータ収集システム |
JP2006148633A (ja) * | 2004-11-22 | 2006-06-08 | Matsushita Electric Ind Co Ltd | 携帯無線機 |
JP2008177753A (ja) * | 2007-01-17 | 2008-07-31 | Sharp Corp | 移動体無線通信機 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2211024B (en) * | 1987-10-10 | 1991-05-15 | Gen Electric Co Plc | Antenna |
US5376943A (en) * | 1990-09-07 | 1994-12-27 | Plessey Semiconductors Limited | Moving vehicle transponder |
JPH04281628A (ja) * | 1991-03-11 | 1992-10-07 | Matsushita Electric Ind Co Ltd | 携帯形無線機 |
DE4345610B4 (de) * | 1992-06-17 | 2013-01-03 | Micron Technology Inc. | Verfahren zur Herstellung einer Hochfrequenz-Identifikationseinrichtung (HFID) |
JP2990083B2 (ja) | 1996-12-27 | 1999-12-13 | 静岡日本電気株式会社 | 移動通信用アンテナ装置 |
US6339385B1 (en) * | 1997-08-20 | 2002-01-15 | Micron Technology, Inc. | Electronic communication devices, methods of forming electrical communication devices, and communication methods |
DE19824145A1 (de) * | 1998-05-29 | 1999-12-16 | Siemens Ag | Integrierte Antennenanordnung für mobile Telekommunikations-Endgeräte |
FI113588B (fi) * | 1999-05-10 | 2004-05-14 | Nokia Corp | Antennirakenne |
WO2001086823A2 (en) * | 2000-05-05 | 2001-11-15 | Celletra, Ltd. | System and method for providing polarization matching on a cellular communication forward link |
KR100420546B1 (ko) * | 2001-07-20 | 2004-03-02 | 주식회사 액티패스 | 휴대용 무선통신 단말용 축전지 안테나 |
JP4062181B2 (ja) | 2003-06-04 | 2008-03-19 | 株式会社日本自動車部品総合研究所 | キーレスエントリ送信機 |
JP4049185B2 (ja) * | 2003-07-08 | 2008-02-20 | 松下電器産業株式会社 | 携帯無線機 |
JP4042702B2 (ja) * | 2004-01-30 | 2008-02-06 | ソニー株式会社 | 携帯型情報処理端末装置 |
DK176361B1 (da) | 2005-08-12 | 2007-09-24 | Gn As | Kommunikationsenhed med indbygget antenne |
JP2008251130A (ja) | 2007-03-30 | 2008-10-16 | Tdk Corp | 情報記録媒体の製造方法、凹凸パターンの転写方法及び転写装置 |
-
2008
- 2008-09-29 JP JP2008251130A patent/JP4645993B2/ja not_active Expired - Fee Related
-
2009
- 2009-09-28 US US12/585,883 patent/US8412137B2/en active Active
- 2009-09-29 EP EP09171626A patent/EP2169839A3/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003008334A (ja) * | 2001-06-27 | 2003-01-10 | Kenwood Corp | アンテナ |
JP2005098857A (ja) * | 2003-09-25 | 2005-04-14 | Seiko Epson Corp | アンテナ内蔵式電子時計 |
JP2005109883A (ja) * | 2003-09-30 | 2005-04-21 | Fuji Electric Holdings Co Ltd | 無線端末装置とこれを用いたデータ収集システム |
JP2006148633A (ja) * | 2004-11-22 | 2006-06-08 | Matsushita Electric Ind Co Ltd | 携帯無線機 |
JP2008177753A (ja) * | 2007-01-17 | 2008-07-31 | Sharp Corp | 移動体無線通信機 |
Also Published As
Publication number | Publication date |
---|---|
US8412137B2 (en) | 2013-04-02 |
EP2169839A2 (en) | 2010-03-31 |
US20100081400A1 (en) | 2010-04-01 |
JP2010087565A (ja) | 2010-04-15 |
EP2169839A3 (en) | 2012-10-10 |
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