DE69216983D1 - Antenne und kleines, tragbares funkgerät - Google Patents

Antenne und kleines, tragbares funkgerät

Info

Publication number: DE69216983D1
Authority: DE; Germany
Prior art keywords: aerial; small; portable radio; portable; radio
Prior art date: 1991-05-09
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.)

1991-05-09

Filing date

1992-05-06

Publication date

1997-03-06

1992-05-06 Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp

1997-03-06 Application granted granted Critical

1997-03-06 Publication of DE69216983D1 publication Critical patent/DE69216983D1/de

2012-05-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
WO1993009576A1 (en) *	1991-11-05	1993-05-13	Seiko Epson Corporation	Antenna device for radio apparatus
US5589840A (en) *	1991-11-05	1996-12-31	Seiko Epson Corporation	Wrist-type wireless instrument and antenna apparatus
US5532705A (en) *	1993-03-17	1996-07-02	Seiko Epson Corporation	Wrist-mounted-type antenna device and apparatus having the antenna device
GB2304465B (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
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
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
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
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

1992
- 1992-05-06 EP EP92909642A patent/EP0538485B1/de not_active Expired - Lifetime
- 1992-05-06 DE DE69216983T patent/DE69216983D1/de not_active Expired - Lifetime
- 1992-05-06 WO PCT/JP1992/000581 patent/WO1992020117A1/ja active IP Right Grant
1997
- 1997-09-25 HK HK97101837A patent/HK1000299A1/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
EP0538485A1 (de)	1993-04-28
HK1000299A1 (en)	1998-02-20
EP0538485A4 (de)	1994-01-19
EP0538485B1 (de)	1997-01-22
WO1992020117A1 (en)	1992-11-12

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Legal Events

Date	Code	Title	Description
1997-07-17	8332	No legal effect for de