DE69216983D1 - Antenne und kleines, tragbares funkgerät - Google Patents

Antenne und kleines, tragbares funkgerät

Info

Publication number
DE69216983D1
DE69216983D1 DE69216983T DE69216983T DE69216983D1 DE 69216983 D1 DE69216983 D1 DE 69216983D1 DE 69216983 T DE69216983 T DE 69216983T DE 69216983 T DE69216983 T DE 69216983T DE 69216983 D1 DE69216983 D1 DE 69216983D1
Authority
DE
Germany
Prior art keywords
aerial
small
portable radio
portable
radio
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
DE69216983T
Other languages
English (en)
Inventor
Norio Hama
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE69216983D1 publication Critical patent/DE69216983D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE69216983T 1991-05-09 1992-05-06 Antenne und kleines, tragbares funkgerät Expired - Lifetime DE69216983D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10424591 1991-05-09
JP25377391 1991-10-01
PCT/JP1992/000581 WO1992020117A1 (en) 1991-05-09 1992-05-06 Antenna and small portable radio device

Publications (1)

Publication Number Publication Date
DE69216983D1 true DE69216983D1 (de) 1997-03-06

Family

ID=26444755

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69216983T Expired - Lifetime DE69216983D1 (de) 1991-05-09 1992-05-06 Antenne und kleines, tragbares funkgerät

Country Status (4)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930703716A (ko) * 1991-11-05 1993-11-30 스스무 아이자와 무선기용 안테나 장치
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
US5532705A (en) * 1993-03-17 1996-07-02 Seiko Epson Corporation Wrist-mounted-type antenna device and apparatus having the antenna device
GB2276274B (en) * 1993-03-17 1997-10-22 Seiko Epson Corp Slot antenna device
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
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

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
DE3465840D1 (en) * 1983-03-19 1987-10-08 Nec Corp Double loop antenna
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
EP0538485A4 (de) 1994-01-19
WO1992020117A1 (en) 1992-11-12
EP0538485B1 (de) 1997-01-22
HK1000299A1 (en) 1998-02-20
EP0538485A1 (de) 1993-04-28

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Legal Events

Date Code Title Description
8332 No legal effect for de