NL6814913A - - Google Patents
Info
- Publication number
- NL6814913A NL6814913A NL6814913A NL6814913A NL6814913A NL 6814913 A NL6814913 A NL 6814913A NL 6814913 A NL6814913 A NL 6814913A NL 6814913 A NL6814913 A NL 6814913A NL 6814913 A NL6814913 A NL 6814913A
- Authority
- NL
- Netherlands
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
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- 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)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6814913.A NL160438C (en) | 1968-10-18 | 1968-10-18 | MICROWAVE ANTENNA. |
BE740180D BE740180A (en) | 1968-10-18 | 1969-10-13 | |
GB50222/69A GB1282320A (en) | 1968-10-18 | 1969-10-13 | Microwave antenna system |
DE19691952053 DE1952053C3 (en) | 1968-10-18 | 1969-10-16 | Microwave antenna with several parallel radiating lines |
FR696935699A FR2021022B1 (en) | 1968-10-18 | 1969-10-17 | |
SE14284/69A SE350658B (en) | 1968-10-18 | 1969-10-17 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6814913.A NL160438C (en) | 1968-10-18 | 1968-10-18 | MICROWAVE ANTENNA. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6814913A true NL6814913A (en) | 1970-04-21 |
NL160438B NL160438B (en) | 1979-05-15 |
NL160438C NL160438C (en) | 1979-10-15 |
Family
ID=19804952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6814913.A NL160438C (en) | 1968-10-18 | 1968-10-18 | MICROWAVE ANTENNA. |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE740180A (en) |
FR (1) | FR2021022B1 (en) |
GB (1) | GB1282320A (en) |
NL (1) | NL160438C (en) |
SE (1) | SE350658B (en) |
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 (en) * | 1955-01-21 | 1956-09-20 | Thomson Houston Comp Francaise | Selective switching device for electromagnetic waveguide |
FR1218633A (en) * | 1958-12-19 | 1960-05-11 | Csf | Slotted guide radiating a beam of imposed shape |
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/en 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 SE SE14284/69A patent/SE350658B/xx unknown
- 1969-10-17 FR FR696935699A patent/FR2021022B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1282320A (en) | 1972-07-19 |
FR2021022B1 (en) | 1973-07-13 |
NL160438C (en) | 1979-10-15 |
BE740180A (en) | 1970-03-16 |
NL160438B (en) | 1979-05-15 |
SE350658B (en) | 1972-10-30 |
FR2021022A1 (en) | 1970-07-17 |
DE1952053B2 (en) | 1976-12-09 |
DE1952053A1 (en) | 1970-10-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HOLLANDSE SIG |