EP0538485A4 - - Google Patents
Info
- Publication number
- EP0538485A4 EP0538485A4 EP19920909642 EP92909642A EP0538485A4 EP 0538485 A4 EP0538485 A4 EP 0538485A4 EP 19920909642 EP19920909642 EP 19920909642 EP 92909642 A EP92909642 A EP 92909642A EP 0538485 A4 EP0538485 A4 EP 0538485A4
- Authority
- EP
- European Patent Office
- 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.)
- Granted
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
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP104245/91 | 1991-05-09 | ||
JP10424591 | 1991-05-09 | ||
JP253773/91 | 1991-10-01 | ||
JP25377391 | 1991-10-01 | ||
PCT/JP1992/000581 WO1992020117A1 (en) | 1991-05-09 | 1992-05-06 | Antenna and small portable radio device |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0538485A1 EP0538485A1 (en) | 1993-04-28 |
EP0538485A4 true EP0538485A4 (xx) | 1994-01-19 |
EP0538485B1 EP0538485B1 (en) | 1997-01-22 |
Family
ID=26444755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92909642A Expired - Lifetime EP0538485B1 (en) | 1991-05-09 | 1992-05-06 | Antenna and small portable radio device |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0538485B1 (xx) |
DE (1) | DE69216983D1 (xx) |
HK (1) | HK1000299A1 (xx) |
WO (1) | WO1992020117A1 (xx) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5589840A (en) * | 1991-11-05 | 1996-12-31 | Seiko Epson Corporation | Wrist-type wireless instrument and antenna apparatus |
US5465098A (en) * | 1991-11-05 | 1995-11-07 | Seiko Epson Corporation | Antenna apparatus for transceiver |
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 | Antenne und diese enthaltendes Gerät |
GB2304465B (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 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0122485A1 (en) * | 1983-03-19 | 1984-10-24 | Nec Corporation | Double loop antenna |
US4862181A (en) * | 1986-10-31 | 1989-08-29 | Motorola, Inc. | Miniature integral antenna-radio apparatus |
EP0372430A2 (en) * | 1988-12-05 | 1990-06-13 | Seiko Corporation | Automatic antenna tuning |
Family Cites Families (3)
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 |
JPH0383404A (ja) * | 1989-08-28 | 1991-04-09 | Toshiba Corp | マイクロ波ミキサ回路 |
-
1992
- 1992-05-06 DE DE69216983T patent/DE69216983D1/de not_active Expired - Lifetime
- 1992-05-06 EP EP92909642A patent/EP0538485B1/en 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
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0122485A1 (en) * | 1983-03-19 | 1984-10-24 | Nec Corporation | Double loop antenna |
US4862181A (en) * | 1986-10-31 | 1989-08-29 | Motorola, Inc. | Miniature integral antenna-radio apparatus |
EP0372430A2 (en) * | 1988-12-05 | 1990-06-13 | Seiko Corporation | Automatic antenna tuning |
Non-Patent Citations (1)
Title |
---|
See also references of WO9220117A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1992020117A1 (en) | 1992-11-12 |
DE69216983D1 (de) | 1997-03-06 |
EP0538485B1 (en) | 1997-01-22 |
EP0538485A1 (en) | 1993-04-28 |
HK1000299A1 (en) | 1998-02-20 |
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