DE2164869A1 - Physikalisch verkürzte Halbwellenantenne, insbesondere Peitschenantenne - Google Patents
Physikalisch verkürzte Halbwellenantenne, insbesondere PeitschenantenneInfo
- Publication number
- DE2164869A1 DE2164869A1 DE19712164869 DE2164869A DE2164869A1 DE 2164869 A1 DE2164869 A1 DE 2164869A1 DE 19712164869 DE19712164869 DE 19712164869 DE 2164869 A DE2164869 A DE 2164869A DE 2164869 A1 DE2164869 A1 DE 2164869A1
- Authority
- DE
- Germany
- Prior art keywords
- antenna
- antenna according
- coil
- tuning
- capacitor
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims description 31
- 239000004020 conductor Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
- H03H7/40—Automatic matching of load impedance to source impedance
-
- 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
-
- 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
Landscapes
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10272470A | 1970-12-30 | 1970-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2164869A1 true DE2164869A1 (de) | 1972-07-20 |
Family
ID=22291363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712164869 Pending DE2164869A1 (de) | 1970-12-30 | 1971-12-27 | Physikalisch verkürzte Halbwellenantenne, insbesondere Peitschenantenne |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3689928A (enExample) |
| AU (1) | AU465735B2 (enExample) |
| DE (1) | DE2164869A1 (enExample) |
| FR (1) | FR2120146B1 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3909830A (en) * | 1974-05-17 | 1975-09-30 | Us Army | Tactical high frequency antenna |
| US4117493A (en) * | 1976-12-22 | 1978-09-26 | New-Tronics Corp. | Radio antenna |
| US4229743A (en) * | 1978-09-22 | 1980-10-21 | Shakespeare Company | Multiple band, multiple resonant frequency antenna |
| US4224625A (en) * | 1979-04-24 | 1980-09-23 | Elbit Computers Ltd. | Antenna |
| US4335469A (en) * | 1980-06-18 | 1982-06-15 | Westinghouse Electric Corp. | Method and system for radiating RF power from a trailing wire antenna |
| US5016022A (en) * | 1981-09-14 | 1991-05-14 | The United States Of America As Represented By The Secretary Of The Navy | Monopole inductively loaded antenna tuning system |
| US4494122A (en) * | 1982-12-22 | 1985-01-15 | Motorola, Inc. | Antenna apparatus capable of resonating at two different frequencies |
| US4755345A (en) * | 1986-08-01 | 1988-07-05 | The United States Of America As Represented By The United States Department Of Energy | Impedance matched, high-power, rf antenna for ion cyclotron resonance heating of a plasma |
| US7072620B2 (en) * | 2003-04-03 | 2006-07-04 | Kyocera Wireless Corp. | System and method for regulating antenna electrical length |
| US7782264B1 (en) * | 2006-03-28 | 2010-08-24 | The Board Of Governors For Higher Education, State Of Rhode Island And Providence Plantations | Systems and methods for providing distributed load monopole antenna systems |
| US9130274B1 (en) | 2007-03-22 | 2015-09-08 | Board Of Education, State Of Rhode Island And Providence Plantations | Systems and methods for providing distributed load monopole antenna systems |
| US8350763B2 (en) * | 2008-08-14 | 2013-01-08 | Rappaport Theodore S | Active antennas for multiple bands in wireless portable devices |
| US11063625B2 (en) | 2008-08-14 | 2021-07-13 | Theodore S. Rappaport | Steerable antenna device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH235400A (de) * | 1942-03-16 | 1944-11-30 | Loewe Opta Gmbh | Antennenanordnung für Geräte zur Aussendung oder zum Empfang elektromagnetischer Schwingungen. |
| US2875443A (en) * | 1954-06-21 | 1959-02-24 | Itt | Antenna |
| US2993204A (en) * | 1958-02-28 | 1961-07-18 | Itt | Two-band helical antenna |
| US3100893A (en) * | 1960-11-30 | 1963-08-13 | Helmut Brueckmann | Broad band vertical antenna with adjustable impedance matching network |
| US3445849A (en) * | 1966-02-14 | 1969-05-20 | Rca Corp | Half wavelength monopole antenna with spaced loading coils |
| US3390337A (en) * | 1966-03-15 | 1968-06-25 | Avco Corp | Band changing and automatic tuning apparatus for transmitter tau-pad output filter |
| US3475703A (en) * | 1967-12-11 | 1969-10-28 | Collins Radio Co | Coarse step-fine tune automatically tunable antenna |
-
1970
- 1970-12-30 US US102724A patent/US3689928A/en not_active Expired - Lifetime
-
1971
- 1971-12-09 AU AU36638/71A patent/AU465735B2/en not_active Expired
- 1971-12-27 DE DE19712164869 patent/DE2164869A1/de active Pending
- 1971-12-30 FR FR7147534A patent/FR2120146B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2120146B1 (enExample) | 1975-08-29 |
| AU3663871A (en) | 1973-06-14 |
| FR2120146A1 (enExample) | 1972-08-11 |
| US3689928A (en) | 1972-09-05 |
| AU465735B2 (en) | 1975-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60032369T2 (de) | Kleine mehrbandantenne | |
| DE112009001935B4 (de) | Antenne und Funkkommunikationsvorrichtung | |
| DE19647383C2 (de) | Spannungsgesteuerte, veränderliche Abstimmschaltung | |
| DE2656729C3 (de) | Breitbanddipolantenne | |
| DE69018569T2 (de) | Abstimmbare Hochfrequenz-Antenne. | |
| DE4040223A1 (de) | Als wendelantenne ausgebildete uhf-sende- und/oder empfangsantenne | |
| DE1964601A1 (de) | Hochfrequenzantenne | |
| DE2164869A1 (de) | Physikalisch verkürzte Halbwellenantenne, insbesondere Peitschenantenne | |
| DE10244173B4 (de) | Antennenanordnung für ein Magnetresonanzgerät, Magnetresonanz-Antennensystem, Magnetresonanzgerät sowie Verfahren zur Verkopplung zweier Antennengruppen | |
| DE840261C (de) | Oszillatorschaltung fuer UEberlagerungsempfaenger | |
| DE2125341B2 (de) | Resonator mit veränderlicher Resonanzfrequenz | |
| WO2000016439A2 (de) | Bei mehreren frequenzbändern betreibbare antenne | |
| DE19734265A1 (de) | Fernsehtuner | |
| EP1312136B1 (de) | Verkürzter schleifen-dipol und schleifen-monopol | |
| EP1198026A2 (de) | Antennenanordnung für Mobiltelefone | |
| DE1026381B (de) | Breitbandabstimmvorrichtung mit einem verstellbaren kapazitiven Abstimmglied | |
| AT157792B (de) | Schaltung zur Kopplung zweier elektrischer Stromkreise. | |
| DE3444756A1 (de) | Im wesentlichen widerstandsmaessig abgeschlossene wanderwellenbreitbandantenne | |
| DE749560C (de) | Kopplungsschaltung, besonders zur Unterdrueckung der Spiegelfrequenz in einem UEberlagerungsempfaenger | |
| DE602005003419T2 (de) | Antenne mit variabler Richtcharakteristik | |
| DE967947C (de) | Spule fuer ultrakurze Wellen | |
| DE2657441C3 (de) | Anordnung zum Speisen eines symmetrischen Dipols | |
| AT241541B (de) | Abstimmeinheit für Überlagerungsempfänger zum Empfang sehr kurzer elektromagnetischer Wellen | |
| DE19639238A1 (de) | Eingangsabstimmkreis für Fernsehgerät | |
| DE754315C (de) | Schaltung zur UEbertragung von Hochfrequenzschwingungen |