GB2308745B - Receiving apparatus and transmitting apparatus in a thin form - Google Patents

Receiving apparatus and transmitting apparatus in a thin form

Info

Publication number
GB2308745B
GB2308745B GB9625970A GB9625970A GB2308745B GB 2308745 B GB2308745 B GB 2308745B GB 9625970 A GB9625970 A GB 9625970A GB 9625970 A GB9625970 A GB 9625970A GB 2308745 B GB2308745 B GB 2308745B
Authority
GB
United Kingdom
Prior art keywords
thin form
receiving apparatus
transmitting
transmitting apparatus
receiving
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
GB9625970A
Other versions
GB9625970D0 (en
GB2308745A (en
Inventor
Yasuhiro Ishizaki
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 GB9625970D0 publication Critical patent/GB9625970D0/en
Publication of GB2308745A publication Critical patent/GB2308745A/en
Application granted granted Critical
Publication of GB2308745B publication Critical patent/GB2308745B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
GB9625970A 1995-12-22 1996-12-13 Receiving apparatus and transmitting apparatus in a thin form Expired - Lifetime GB2308745B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7335182A JP3046233B2 (en) 1995-12-22 1995-12-22 Thin receiver and transmitter

Publications (3)

Publication Number Publication Date
GB9625970D0 GB9625970D0 (en) 1997-01-29
GB2308745A GB2308745A (en) 1997-07-02
GB2308745B true GB2308745B (en) 1997-12-10

Family

ID=18285681

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9625970A Expired - Lifetime GB2308745B (en) 1995-12-22 1996-12-13 Receiving apparatus and transmitting apparatus in a thin form

Country Status (5)

Country Link
JP (1) JP3046233B2 (en)
CN (1) CN1084937C (en)
FI (1) FI965170A (en)
GB (1) GB2308745B (en)
TW (1) TW362306B (en)

Families Citing this family (21)

* 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 (en) * 1998-10-30 2005-04-27 株式会社日立製作所 IC card
NO313975B1 (en) * 2000-02-08 2003-01-06 Q Free Asa Antenna for transponder
GB0115023D0 (en) * 2001-06-20 2001-08-08 Univ Belfast Improvements relating to antennas
JP2004013427A (en) 2002-06-05 2004-01-15 Toshiba Corp Radio card
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 (en) 2004-01-13 2006-06-28 株式会社東芝 Loop antenna and wireless communication device equipped with loop antenna
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
ATE508493T1 (en) * 2007-01-12 2011-05-15 Aida Ct S L SELF-RESONANT ELECTRICAL SMALL ANTENNA
EP2164131B1 (en) * 2007-06-29 2016-10-05 Fujitsu Limited Loop antenna
WO2009033087A1 (en) * 2007-09-06 2009-03-12 Deka Products Limited Partnership Rfid system and method
KR100906915B1 (en) * 2007-10-15 2009-07-08 엘지이노텍 주식회사 Antenna
DE202007015189U1 (en) * 2007-10-31 2009-03-12 Kiontke, Siegfried, Dr. Low frequency magnetic broadband antenna
JP2008090863A (en) * 2007-12-11 2008-04-17 Hitachi Chem Co Ltd Ic card
JP4314591B2 (en) * 2007-12-11 2009-08-19 日立化成工業株式会社 IC card
JP4314592B2 (en) * 2007-12-11 2009-08-19 日立化成工業株式会社 IC card
JP4556002B2 (en) * 2008-10-14 2010-10-06 日立化成工業株式会社 Non-contact IC card
JP2010277609A (en) * 2010-09-01 2010-12-09 Hitachi Chem Co Ltd Ic card
WO2021220547A1 (en) 2020-04-27 2021-11-04 株式会社村田製作所 Antenna device and rfid tag communication device

Citations (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
GB2100063A (en) * 1981-06-05 1982-12-15 Tokyo Shibaura Electric Co Antenna
EP0334297A2 (en) * 1988-03-23 1989-09-27 Seiko Epson Corporation Wrist carried wireless instrument

Patent Citations (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
GB2100063A (en) * 1981-06-05 1982-12-15 Tokyo Shibaura Electric Co Antenna
EP0334297A2 (en) * 1988-03-23 1989-09-27 Seiko Epson Corporation Wrist carried wireless instrument

Also Published As

Publication number Publication date
GB9625970D0 (en) 1997-01-29
FI965170A0 (en) 1996-12-20
JPH09181520A (en) 1997-07-11
JP3046233B2 (en) 2000-05-29
GB2308745A (en) 1997-07-02
TW362306B (en) 1999-06-21
FI965170A (en) 1997-06-23
CN1084937C (en) 2002-05-15
CN1158014A (en) 1997-08-27

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20161212