FR2021022B1 - - Google Patents
Info
- Publication number
- FR2021022B1 FR2021022B1 FR696935699A FR6935699A FR2021022B1 FR 2021022 B1 FR2021022 B1 FR 2021022B1 FR 696935699 A FR696935699 A FR 696935699A FR 6935699 A FR6935699 A FR 6935699A FR 2021022 B1 FR2021022 B1 FR 2021022B1
- 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
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/22—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation in accordance with variation of frequency of radiated wave
-
- 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
- H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
- H01Q5/42—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more imbricated arrays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6814913.A NL160438C (nl) | 1968-10-18 | 1968-10-18 | Microgolfantenne. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2021022A1 FR2021022A1 (fr) | 1970-07-17 |
FR2021022B1 true FR2021022B1 (fr) | 1973-07-13 |
Family
ID=19804952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR696935699A Expired FR2021022B1 (fr) | 1968-10-18 | 1969-10-17 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE740180A (fr) |
FR (1) | FR2021022B1 (fr) |
GB (1) | GB1282320A (fr) |
NL (1) | NL160438C (fr) |
SE (1) | SE350658B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4197541A (en) * | 1977-12-19 | 1980-04-08 | International Telephone And Telegraph Corporation | Polarization agile planar array |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1123310A (fr) * | 1955-01-21 | 1956-09-20 | Thomson Houston Comp Francaise | Dispositif d'aiguillage sélectif pour guide d'ondes électromagnétiques |
FR1218633A (fr) * | 1958-12-19 | 1960-05-11 | Csf | Guide à fentes rayonnant un faisceau de forme imposée |
US3276026A (en) * | 1962-05-10 | 1966-09-27 | Lab For Electronics Inc | Doppler array with plural slotted waveguides and feed switching |
US3243818A (en) * | 1962-08-22 | 1966-03-29 | Hughes Aircraft Co | Dual band slot antenna having common waveguide with differing slots, each individualto its own band |
-
1968
- 1968-10-18 NL NL6814913.A patent/NL160438C/xx not_active IP Right Cessation
-
1969
- 1969-10-13 BE BE740180D patent/BE740180A/xx unknown
- 1969-10-13 GB GB50222/69A patent/GB1282320A/en not_active Expired
- 1969-10-17 FR FR696935699A patent/FR2021022B1/fr not_active Expired
- 1969-10-17 SE SE14284/69A patent/SE350658B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2021022A1 (fr) | 1970-07-17 |
NL6814913A (fr) | 1970-04-21 |
GB1282320A (en) | 1972-07-19 |
NL160438C (nl) | 1979-10-15 |
BE740180A (fr) | 1970-03-16 |
SE350658B (fr) | 1972-10-30 |
NL160438B (nl) | 1979-05-15 |
DE1952053B2 (de) | 1976-12-09 |
DE1952053A1 (de) | 1970-10-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |