FI956250L - Antenni - Google Patents
Antenni Download PDFInfo
- Publication number
- FI956250L FI956250L FI956250A FI956250A FI956250L FI 956250 L FI956250 L FI 956250L FI 956250 A FI956250 A FI 956250A FI 956250 A FI956250 A FI 956250A FI 956250 L FI956250 L FI 956250L
- Authority
- FI
- Finland
- Prior art keywords
- antenna
- Prior art date
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
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/28—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/30—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using a secondary device in the form of two or more substantially straight conductive elements the primary active element being centre-fed and substantially straight, e.g. Yagi antenna
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4446128A DE4446128A1 (de) | 1994-12-23 | 1994-12-23 | Antenne |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI956250A0 FI956250A0 (fi) | 1995-12-22 |
| FI956250A7 FI956250A7 (fi) | 1996-06-24 |
| FI956250L true FI956250L (fi) | 1996-06-24 |
Family
ID=6536799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI956250A FI956250L (fi) | 1994-12-23 | 1995-12-22 | Antenni |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0718912A1 (fi) |
| DE (1) | DE4446128A1 (fi) |
| FI (1) | FI956250L (fi) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6278413B1 (en) | 1999-03-29 | 2001-08-21 | Intermec Ip Corporation | Antenna structure for wireless communications device, such as RFID tag |
| DE10105981A1 (de) * | 2001-02-09 | 2002-09-12 | Siemens Ag | Kommunikationsgerät und Verfahren zum Betrieb eines Anlagefunksystems |
| US7205953B2 (en) * | 2003-09-12 | 2007-04-17 | Symbol Technologies, Inc. | Directional antenna array |
| US7423606B2 (en) | 2004-09-30 | 2008-09-09 | Symbol Technologies, Inc. | Multi-frequency RFID apparatus and methods of reading RFID tags |
| US7893813B2 (en) | 2005-07-28 | 2011-02-22 | Intermec Ip Corp. | Automatic data collection device, method and article |
| WO2007035863A2 (en) | 2005-09-21 | 2007-03-29 | Intermec Ip Corp. | Radio frequency identification tags based on coalition formation |
| US8120461B2 (en) | 2006-04-03 | 2012-02-21 | Intermec Ip Corp. | Automatic data collection device, method and article |
| US8002173B2 (en) | 2006-07-11 | 2011-08-23 | Intermec Ip Corp. | Automatic data collection device, method and article |
| US7579955B2 (en) | 2006-08-11 | 2009-08-25 | Intermec Ip Corp. | Device and method for selective backscattering of wireless communications signals |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB672034A (en) * | 1950-01-21 | 1952-05-14 | Nat Res Dev | Aerial systems |
| GB939790A (en) * | 1960-12-16 | 1963-10-16 | Marconi Wireless Telegraph Co | Improvements in or relating to aerial systems |
| GB982155A (en) * | 1962-08-21 | 1965-02-03 | Marconi Co Ltd | Improvements in or relating to aerial systems |
| NO124503B (fi) * | 1967-06-08 | 1972-04-24 | Sintef | |
| DE2138384C2 (de) * | 1971-07-31 | 1982-10-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Yagi-Antenne in Streifenleitertechnik |
| DE8304525U1 (de) * | 1983-02-18 | 1983-09-15 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Mikrowellenantenne fuer linienverbindungen, insbesondere im millimeterwellenbereich |
| US4644363A (en) * | 1985-05-14 | 1987-02-17 | The United States Of America As Represented By The Secretary Of The Army | Integrated dual beam line scanning antenna and negative resistance diode oscillator |
| US4812855A (en) * | 1985-09-30 | 1989-03-14 | The Boeing Company | Dipole antenna with parasitic elements |
| US5008681A (en) * | 1989-04-03 | 1991-04-16 | Raytheon Company | Microstrip antenna with parasitic elements |
| FR2667730B1 (fr) * | 1990-10-03 | 1993-07-02 | Bretagne Ctre Rgl Tra | Antenne. |
| JP2614789B2 (ja) * | 1991-03-28 | 1997-05-28 | 太洋無線株式会社 | 八木アンテナ |
| US5293172A (en) * | 1992-09-28 | 1994-03-08 | The Boeing Company | Reconfiguration of passive elements in an array antenna for controlling antenna performance |
| JPH111006A (ja) * | 1997-06-12 | 1999-01-06 | Canon Inc | 記録装置及び記録方法 |
-
1994
- 1994-12-23 DE DE4446128A patent/DE4446128A1/de not_active Withdrawn
-
1995
- 1995-12-21 EP EP95120274A patent/EP0718912A1/de not_active Ceased
- 1995-12-22 FI FI956250A patent/FI956250L/fi unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FI956250A0 (fi) | 1995-12-22 |
| EP0718912A1 (de) | 1996-06-26 |
| DE4446128A1 (de) | 1996-06-27 |
| FI956250A7 (fi) | 1996-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI970759L (fi) | Antenni | |
| DE69514650D1 (de) | Antennensystem | |
| FI963097A0 (fi) | Yhdistelmäantenni | |
| FI974481L (fi) | Antenni | |
| DE69427146D1 (de) | Antennenanordnung | |
| FI964558L (fi) | Yksinkertainen antennirakenne | |
| FI970764A7 (fi) | Antennirakenne | |
| DE69512831D1 (de) | Antenne | |
| DE69730782D1 (de) | Planarantenne | |
| DE69506435D1 (de) | Antenne | |
| DE69421247D1 (de) | Antennenanordnung | |
| DE69625054D1 (de) | Antennenanordnung | |
| FI955125A0 (fi) | Antennin liitäntä | |
| DE69706584D1 (de) | Antenneneinheit | |
| DE69517390D1 (de) | Antennenvorrichtung | |
| DE69527244D1 (de) | Antenne | |
| DE69523535D1 (de) | Antenne | |
| FI955153A0 (fi) | Rakoryhmäantenneja | |
| FI956250A0 (fi) | Antenni | |
| DE69529322D1 (de) | Antenne | |
| DE59402169D1 (de) | Antennenanordnung | |
| DE69422022D1 (de) | Antenneneinheit | |
| DE59506255D1 (de) | Funkgerät | |
| DE69605061D1 (de) | Antennenanordnung | |
| FR2728105B1 (fr) | Antenne |