FR2329082B1 - - Google Patents
Info
- Publication number
- FR2329082B1 FR2329082B1 FR7632068A FR7632068A FR2329082B1 FR 2329082 B1 FR2329082 B1 FR 2329082B1 FR 7632068 A FR7632068 A FR 7632068A FR 7632068 A FR7632068 A FR 7632068A FR 2329082 B1 FR2329082 B1 FR 2329082B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
- H01Q13/103—Resonant slot antennas with variable reactance for tuning the antenna
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
- H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19752547888 DE2547888A1 (en) | 1975-10-25 | 1975-10-25 | VERTICAL FEEDING FOR NOTCHANTENNAS |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2329082A1 FR2329082A1 (en) | 1977-05-20 |
FR2329082B1 true FR2329082B1 (en) | 1981-08-14 |
Family
ID=5960119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7632068A Granted FR2329082A1 (en) | 1975-10-25 | 1976-10-25 | Multi-channel feed system for notch aerials - consists of open ended slot shunted by tuning capacitor with conducitng rods parallel to slot sides |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2547888A1 (en) |
FR (1) | FR2329082A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2753661A1 (en) * | 1977-12-02 | 1979-06-07 | Philips Patentverwaltung | Notch aerial with two orthogonal excitation elements - formed as recesses and/or frames with one supplied directly and other via phase adjuster |
US6198446B1 (en) | 1999-01-19 | 2001-03-06 | Trw Inc. | Dual-feed system for a multifunction, conformal, loadearing structure excitation antenna |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2794184A (en) * | 1953-07-21 | 1957-05-28 | Rca Corp | Multiple resonant slot antenna |
-
1975
- 1975-10-25 DE DE19752547888 patent/DE2547888A1/en not_active Withdrawn
-
1976
- 1976-10-25 FR FR7632068A patent/FR2329082A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2547888A1 (en) | 1977-04-28 |
FR2329082A1 (en) | 1977-05-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |