CN1084937C - 薄型接收装置和发送装置 - Google Patents

薄型接收装置和发送装置 Download PDF

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Publication number
CN1084937C
CN1084937C CN96121392.2A CN96121392A CN1084937C CN 1084937 C CN1084937 C CN 1084937C CN 96121392 A CN96121392 A CN 96121392A CN 1084937 C CN1084937 C CN 1084937C
Authority
CN
China
Prior art keywords
loop antenna
stray capacitance
housing
msub
mrow
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 - Lifetime
Application number
CN96121392.2A
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English (en)
Chinese (zh)
Other versions
CN1158014A (zh
Inventor
石崎泰宽
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN1158014A publication Critical patent/CN1158014A/zh
Application granted granted Critical
Publication of CN1084937C publication Critical patent/CN1084937C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H01Q1/525—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between emitting and receiving 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
    • H01Q7/005—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
    • 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

Landscapes

  • Support Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Transmitters (AREA)
  • Burglar Alarm Systems (AREA)
  • Details Of Aerials (AREA)
CN96121392.2A 1995-12-22 1996-12-21 薄型接收装置和发送装置 Expired - Lifetime CN1084937C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP335182/95 1995-12-22
JP7335182A JP3046233B2 (ja) 1995-12-22 1995-12-22 薄型受信装置並びに送信装置

Publications (2)

Publication Number Publication Date
CN1158014A CN1158014A (zh) 1997-08-27
CN1084937C true CN1084937C (zh) 2002-05-15

Family

ID=18285681

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96121392.2A Expired - Lifetime CN1084937C (zh) 1995-12-22 1996-12-21 薄型接收装置和发送装置

Country Status (5)

Country Link
JP (1) JP3046233B2 (ja)
CN (1) CN1084937C (ja)
FI (1) FI965170A7 (ja)
GB (1) GB2308745B (ja)
TW (1) TW362306B (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9806612D0 (en) * 1998-03-28 1998-05-27 Philips Electronics Nv Communication device
JP3643488B2 (ja) * 1998-10-30 2005-04-27 株式会社日立製作所 Ｉｃカード
NO313975B1 (no) * 2000-02-08 2003-01-06 Q Free Asa Antenne for transponder
GB0115023D0 (en) * 2001-06-20 2001-08-08 Univ Belfast Improvements relating to antennas
JP2004013427A (ja) 2002-06-05 2004-01-15 Toshiba Corp 無線カード
US7421973B2 (en) 2003-11-06 2008-09-09 Axcelis Technologies, Inc. System and method for performing SIMOX implants using an ion shower
US7748344B2 (en) * 2003-11-06 2010-07-06 Axcelis Technologies, Inc. Segmented resonant antenna for radio frequency inductively coupled plasmas
JP3790249B2 (ja) 2004-01-13 2006-06-28 株式会社東芝 ループアンテナ及びループアンテナを備えた無線通信機
US7239290B2 (en) 2004-09-14 2007-07-03 Kyocera Wireless Corp. Systems and methods for a capacitively-loaded loop antenna
US20080048867A1 (en) * 2006-01-18 2008-02-28 Oliver Ronald A Discontinuous-Loop RFID Reader Antenna And Methods
USD570337S1 (en) 2006-08-25 2008-06-03 Impinj, Inc. Broken-loop RFID reader antenna for near field and far field UHF RFID tags
DE602007014410D1 (de) * 2007-01-12 2011-06-16 Aida Ct S L Eigenresonante elektrische kleine antenne
JP4894923B2 (ja) * 2007-06-29 2012-03-14 富士通株式会社 ループアンテナ
JP5439376B2 (ja) * 2007-09-06 2014-03-12 デカ・プロダクツ・リミテッド・パートナーシップ Ｒｆｉｄシステム及びその使用方法
KR100906915B1 (ko) * 2007-10-15 2009-07-08 엘지이노텍 주식회사 안테나
DE202007015189U1 (de) * 2007-10-31 2009-03-12 Kiontke, Siegfried, Dr. Niederfrequente magnetische Breitbandantenne
JP4314591B2 (ja) * 2007-12-11 2009-08-19 日立化成工業株式会社 Ｉｃカード
JP4314592B2 (ja) * 2007-12-11 2009-08-19 日立化成工業株式会社 Ｉｃカード
JP2008090863A (ja) * 2007-12-11 2008-04-17 Hitachi Chem Co Ltd Ｉｃカード
JP4556002B2 (ja) * 2008-10-14 2010-10-06 日立化成工業株式会社 非接触式ｉｃカード
JP2010277609A (ja) * 2010-09-01 2010-12-09 Hitachi Chem Co Ltd Ｉｃカード
DE212020000747U1 (de) 2020-04-27 2022-06-16 Murata Manufacturing Co., Ltd Antennenvorrichtung und RFID-Etikett-Kommunikationsvorrichtung
JP7412810B1 (ja) * 2022-04-28 2024-01-15 立山科学株式会社 Ｒｆタグ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004228A (en) * 1974-04-29 1977-01-18 Integrated Electronics, Ltd. Portable transmitter
GB2100063B (en) * 1981-06-05 1985-03-13 Tokyo Shibaura Electric Co Antenna
JPH0777324B2 (ja) * 1988-03-23 1995-08-16 セイコーエプソン株式会社 腕装着型無線機

Also Published As

Publication number Publication date
TW362306B (en) 1999-06-21
JPH09181520A (ja) 1997-07-11
GB2308745A (en) 1997-07-02
JP3046233B2 (ja) 2000-05-29
CN1158014A (zh) 1997-08-27
FI965170L (fi) 1997-06-23
GB2308745B (en) 1997-12-10
GB9625970D0 (en) 1997-01-29
FI965170A7 (fi) 1997-06-23
FI965170A0 (fi) 1996-12-20

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Granted publication date: 20020515

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