HK1000299A1 - Antenna and small portable radio device - Google Patents

Antenna and small portable radio device Download PDF

Info

Publication number
HK1000299A1
HK1000299A1 HK97101837A HK97101837A HK1000299A1 HK 1000299 A1 HK1000299 A1 HK 1000299A1 HK 97101837 A HK97101837 A HK 97101837A HK 97101837 A HK97101837 A HK 97101837A HK 1000299 A1 HK1000299 A1 HK 1000299A1
Authority
HK
Hong Kong
Prior art keywords
antenna
loop antenna
transceiver
circuit
antenna device
Prior art date
Application number
HK97101837A
Other languages
German (de)
English (en)
French (fr)
Chinese (zh)
Other versions
HK1000299B (en
Inventor
Hama Norio
Original Assignee
Seiko Epson Corporation
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 Seiko Epson Corporation filed Critical Seiko Epson Corporation
Publication of HK1000299B publication Critical patent/HK1000299B/en
Publication of HK1000299A1 publication Critical patent/HK1000299A1/en

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
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals

Landscapes

  • Support Of Aerials (AREA)
  • Transceivers (AREA)
HK97101837A 1991-05-09 1992-05-06 Antenna and small portable radio device HK1000299A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP10424591 1991-05-09
JP104245/91 1991-05-09
JP253773/91 1991-10-01
JP25377391 1991-10-01
PCT/JP1992/000581 WO1992020117A1 (fr) 1991-05-09 1992-05-06 Antenne et petit appareil radio portatif

Publications (2)

Publication Number Publication Date
HK1000299B HK1000299B (en) 1998-02-20
HK1000299A1 true HK1000299A1 (en) 1998-02-20

Family

ID=26444755

Family Applications (1)

Application Number Title Priority Date Filing Date
HK97101837A HK1000299A1 (en) 1991-05-09 1992-05-06 Antenna and small portable radio device

Country Status (4)

Country Link
EP (1) EP0538485B1 (enExample)
DE (1) DE69216983D1 (enExample)
HK (1) HK1000299A1 (enExample)
WO (1) WO1992020117A1 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69219581T2 (de) * 1991-11-05 1997-09-11 Seiko Epson Corp Antenne für funkgerät
US5589840A (en) * 1991-11-05 1996-12-31 Seiko Epson Corporation Wrist-type wireless instrument and antenna apparatus
GB2304464B (en) * 1993-03-17 1997-10-22 Seiko Epson Corp Slot antenna device
GB2276274B (en) * 1993-03-17 1997-10-22 Seiko Epson Corp Slot antenna device
DE69424704T2 (de) * 1993-03-17 2000-09-28 Seiko Epson Corp., Tokio/Tokyo Antenne und diese enthaltendes Gerät
US5757326A (en) * 1993-03-29 1998-05-26 Seiko Epson Corporation Slot antenna device and wireless apparatus employing the antenna device
FR2724274B1 (fr) * 1994-09-07 1996-11-08 Telediffusion Fse Antenne cadre, insensible a l'effet capacitif, et dispositif emetteur recepteur comportant une telle antenne
JP3417083B2 (ja) * 1994-10-04 2003-06-16 セイコーエプソン株式会社 携帯用無線機
JP3307248B2 (ja) 1996-12-09 2002-07-24 株式会社村田製作所 表面実装型アンテナおよび表面実装型アンテナ装置
GB9806612D0 (en) * 1998-03-28 1998-05-27 Philips Electronics Nv Communication device
DE10047903A1 (de) * 2000-09-27 2002-04-25 Siemens Ag Mobile Funksende-/Funkempfangseinrichtung mit abstimmbarer Antenne
US7362285B2 (en) * 2004-06-21 2008-04-22 Lutron Electronics Co., Ltd. Compact radio frequency transmitting and receiving antenna and control device employing same
US7439922B2 (en) 2006-12-19 2008-10-21 Nokia Corporation Antenna for a portable device
JP4770793B2 (ja) * 2007-05-18 2011-09-14 パナソニック電工株式会社 アンテナ装置
JP4770792B2 (ja) * 2007-05-18 2011-09-14 パナソニック電工株式会社 アンテナ装置
JP5896060B2 (ja) * 2010-11-12 2016-03-30 セイコーエプソン株式会社 アンテナ内蔵式電子時計
WO2015159324A1 (ja) 2014-04-17 2015-10-22 三菱電機株式会社 アンテナ装置及びアンテナ製造方法
JP2025148153A (ja) * 2024-03-25 2025-10-07 Idec株式会社 装着型アンテナ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5627514A (en) * 1979-08-13 1981-03-17 Pioneer Electronic Corp Tuning circuit of balanced antenna
JPS5944103A (ja) * 1982-09-07 1984-03-12 Toshiba Corp アンテナ装置
CA1212175A (en) * 1983-03-19 1986-09-30 Takashi Oda Double loop antenna for use in connection to a miniature radio receiver
US4862181A (en) * 1986-10-31 1989-08-29 Motorola, Inc. Miniature integral antenna-radio apparatus
US5136719A (en) * 1988-12-05 1992-08-04 Seiko Corp. Automatic antenna tubing method and apparatus
JPH0383404A (ja) * 1989-08-28 1991-04-09 Toshiba Corp マイクロ波ミキサ回路

Also Published As

Publication number Publication date
DE69216983D1 (de) 1997-03-06
EP0538485A1 (en) 1993-04-28
WO1992020117A1 (fr) 1992-11-12
EP0538485B1 (en) 1997-01-22
EP0538485A4 (enExample) 1994-01-19

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PF Patent in force
PE Patent expired

Effective date: 20120505