AU5363396A - Variable capacitance antenna with constant impedance matching system for multi frequency reception and transmission - Google Patents
Variable capacitance antenna with constant impedance matching system for multi frequency reception and transmissionInfo
- Publication number
- AU5363396A AU5363396A AU53633/96A AU5363396A AU5363396A AU 5363396 A AU5363396 A AU 5363396A AU 53633/96 A AU53633/96 A AU 53633/96A AU 5363396 A AU5363396 A AU 5363396A AU 5363396 A AU5363396 A AU 5363396A
- Authority
- AU
- Australia
- Prior art keywords
- transmission
- impedance matching
- variable capacitance
- matching system
- frequency reception
- 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.)
- Abandoned
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
-
- 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
-
- 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
- H01Q9/06—Details
- H01Q9/14—Length of element or elements adjustable
- H01Q9/145—Length of element or elements adjustable by varying the electrical length
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US406421 | 1982-08-09 | ||
US594096 | 1984-03-28 | ||
US08/406,421 US5625367A (en) | 1995-03-20 | 1995-03-20 | Variable capacitance antenna for multiband reception and transmission |
US08/594,096 US5790081A (en) | 1996-01-30 | 1996-01-30 | Constant impedance matching system |
PCT/US1996/003420 WO1996029758A1 (en) | 1995-03-20 | 1996-03-13 | Variable capacitance antenna with constant impedance matching system for multi frequency reception and transmission |
Publications (1)
Publication Number | Publication Date |
---|---|
AU5363396A true AU5363396A (en) | 1996-10-08 |
Family
ID=27019508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU53633/96A Abandoned AU5363396A (en) | 1995-03-20 | 1996-03-13 | Variable capacitance antenna with constant impedance matching system for multi frequency reception and transmission |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0815614A1 (en) |
AU (1) | AU5363396A (en) |
WO (1) | WO1996029758A1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4028709A (en) * | 1975-09-10 | 1977-06-07 | The United States Of America As Represented By The Field Operations Bureau Of The Federal Communications Commission | Adjustable yagi antenna |
US4398201A (en) * | 1981-03-16 | 1983-08-09 | Winegard Company | Antenna director and method therefor |
ES517418A0 (en) * | 1982-11-16 | 1983-11-01 | Bel Moratalla Joaquin | IMPROVEMENTS IN THE TRANSMITTER-RECEIVER ANTENNAS. |
US4593289A (en) * | 1983-04-18 | 1986-06-03 | Butternut Electronics Co. | Multi-band dipole antenna with matching stubs |
DE3642436A1 (en) * | 1986-12-12 | 1988-06-23 | Reinhard Schneider | Tunable antenna |
DE4005982A1 (en) * | 1990-02-26 | 1990-09-13 | Werner Thueuel | Horizontal broad band antenna - has operation over 5 short wave bands with low noise |
DE4244661A1 (en) * | 1991-07-19 | 1994-01-20 | Victor Menzlewski | Two band single element short wave antenna - acts as half wave surface wave dipole and twice five eighths lambda directional antenna with third harmonic excitation |
CA2097122A1 (en) * | 1992-06-08 | 1993-12-09 | James Hadzoglou | Adjustable beam tilt antenna |
-
1996
- 1996-03-13 AU AU53633/96A patent/AU5363396A/en not_active Abandoned
- 1996-03-13 WO PCT/US1996/003420 patent/WO1996029758A1/en not_active Application Discontinuation
- 1996-03-13 EP EP96910442A patent/EP0815614A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO1996029758A1 (en) | 1996-09-26 |
EP0815614A1 (en) | 1998-01-07 |
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