DE69420219T2 - Abstimmbare Leiterplattenantenne - Google Patents
Abstimmbare LeiterplattenantenneInfo
- Publication number
- DE69420219T2 DE69420219T2 DE69420219T DE69420219T DE69420219T2 DE 69420219 T2 DE69420219 T2 DE 69420219T2 DE 69420219 T DE69420219 T DE 69420219T DE 69420219 T DE69420219 T DE 69420219T DE 69420219 T2 DE69420219 T2 DE 69420219T2
- Authority
- DE
- Germany
- Prior art keywords
- circuit board
- board antenna
- tunable circuit
- tunable
- antenna
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0442—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with particular tuning means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13093693A | 1993-10-04 | 1993-10-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69420219D1 DE69420219D1 (de) | 1999-09-30 |
DE69420219T2 true DE69420219T2 (de) | 1999-12-09 |
Family
ID=22447072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69420219T Expired - Fee Related DE69420219T2 (de) | 1993-10-04 | 1994-09-29 | Abstimmbare Leiterplattenantenne |
Country Status (4)
Country | Link |
---|---|
US (1) | US5483249A (de) |
EP (1) | EP0646986B1 (de) |
JP (1) | JPH07193419A (de) |
DE (1) | DE69420219T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0646985B1 (de) * | 1993-10-04 | 1998-10-21 | Ford Motor Company | Abgestimmte Streifenleiterantenne mit einem Segel |
US5926139A (en) * | 1997-07-02 | 1999-07-20 | Lucent Technologies Inc. | Planar dual frequency band antenna |
IL121285A (en) * | 1997-07-11 | 2000-02-29 | Visonic Ltd | Intrusion detection systems employing active detectors |
EP1926223B1 (de) * | 2006-11-21 | 2018-02-28 | Sony Corporation | Kommunikationssystem und kommunikationsvorrichtung |
US20090021352A1 (en) * | 2007-07-18 | 2009-01-22 | Murata Manufacturing Co., Ltd. | Radio frequency ic device and electronic apparatus |
US8289226B2 (en) * | 2007-11-28 | 2012-10-16 | Honeywell International Inc. | Antenna for a building controller |
DE102007062051A1 (de) | 2007-12-21 | 2009-06-25 | Siemens Home And Office Communication Devices Gmbh & Co. Kg | Antennenvorrichtung für funkbasierte elektronische Geräte |
KR101480555B1 (ko) * | 2008-06-19 | 2015-01-09 | 삼성전자주식회사 | 휴대용 단말기의 안테나 장치 |
US7642972B1 (en) * | 2008-07-21 | 2010-01-05 | Cheng Uei Precision Industry Co., Ltd. | Antenna |
JP2012134948A (ja) | 2010-12-03 | 2012-07-12 | Canon Inc | アンテナ、その調整方法およびそのアンテナを実装する電子機器 |
JP2012138894A (ja) | 2010-12-07 | 2012-07-19 | Canon Inc | アンテナ、その調整方法およびそのアンテナを実装する電子機器 |
GB2509884B (en) | 2011-11-16 | 2018-10-17 | Tyco Fire & Security Gmbh | Motion detection systems and methodologies |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130822A (en) * | 1976-06-30 | 1978-12-19 | Motorola, Inc. | Slot antenna |
US4078237A (en) * | 1976-11-10 | 1978-03-07 | The United States Of America As Represented By The Secretary Of The Navy | Offset FED magnetic microstrip dipole antenna |
US4040060A (en) * | 1976-11-10 | 1977-08-02 | The United States Of America As Represented By The Secretary Of The Navy | Notch fed magnetic microstrip dipole antenna with shorting pins |
US4095227A (en) * | 1976-11-10 | 1978-06-13 | The United States Of America As Represented By The Secretary Of The Navy | Asymmetrically fed magnetic microstrip dipole antenna |
US4367474A (en) * | 1980-08-05 | 1983-01-04 | The United States Of America As Represented By The Secretary Of The Army | Frequency-agile, polarization diverse microstrip antennas and frequency scanned arrays |
US4429313A (en) * | 1981-11-24 | 1984-01-31 | Muhs Jr Harvey P | Waveguide slot antenna |
IT1160736B (it) * | 1983-03-18 | 1987-03-11 | Telettra Lab Telefon | Circuito risuonatore per un sistema di estrazione dal flusso di dati dell'oscillazione alla frequenza di temporizzazione |
US4587524A (en) * | 1984-01-09 | 1986-05-06 | Mcdonnell Douglas Corporation | Reduced height monopole/slot antenna with offset stripline and capacitively loaded slot |
JPS6171702A (ja) * | 1984-09-17 | 1986-04-12 | Matsushita Electric Ind Co Ltd | 小形アンテナ |
US5173711A (en) * | 1989-11-27 | 1992-12-22 | Kokusai Denshin Denwa Kabushiki Kaisha | Microstrip antenna for two-frequency separate-feeding type for circularly polarized waves |
US5041838A (en) * | 1990-03-06 | 1991-08-20 | Liimatainen William J | Cellular telephone antenna |
US5241322A (en) * | 1991-03-21 | 1993-08-31 | Gegan Michael J | Twin element coplanar, U-slot, microstrip antenna |
-
1994
- 1994-09-29 DE DE69420219T patent/DE69420219T2/de not_active Expired - Fee Related
- 1994-09-29 EP EP94307157A patent/EP0646986B1/de not_active Expired - Lifetime
- 1994-10-03 JP JP6239173A patent/JPH07193419A/ja active Pending
-
1995
- 1995-07-19 US US08/503,961 patent/US5483249A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0646986B1 (de) | 1999-08-25 |
JPH07193419A (ja) | 1995-07-28 |
DE69420219D1 (de) | 1999-09-30 |
US5483249A (en) | 1996-01-09 |
EP0646986A1 (de) | 1995-04-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |