BE799365A - - Google Patents
Info
- Publication number
- BE799365A BE799365A BE130972A BE130972A BE799365A BE 799365 A BE799365 A BE 799365A BE 130972 A BE130972 A BE 130972A BE 130972 A BE130972 A BE 130972A BE 799365 A BE799365 A BE 799365A
- Authority
- BE
- Belgium
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
- H01Q25/02—Antennas or antenna systems providing at least two radiating patterns providing sum and difference patterns
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2245346A DE2245346C1 (de) | 1972-09-15 | 1972-09-15 | Antennenanordnung für Radar- bzw. Peilzwecke mit Summen-Differenzdiagramm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE799365A true BE799365A (me) | 1978-02-24 |
Family
ID=5856459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE130972A BE799365A (me) | 1972-09-15 | 1973-05-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4107690A (me) |
| BE (1) | BE799365A (me) |
| DE (1) | DE2245346C1 (me) |
| FR (1) | FR2371068A1 (me) |
| GB (1) | GB1500689A (me) |
| IT (1) | IT1019551B (me) |
| NL (1) | NL171646C (me) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4673943A (en) * | 1984-09-25 | 1987-06-16 | The United States Of America As Represented By The Secretary Of The Air Force | Integrated defense communications system antijamming antenna system |
| DE4004611A1 (de) * | 1990-02-15 | 1991-08-29 | Rolf Dipl Ing Jakoby | Winkeldiskriminator zur richtungsbestimmung hochfrequenter elektromagnetischer wellen |
| US8933835B2 (en) * | 2012-09-25 | 2015-01-13 | Rosemount Tank Radar Ab | Two-channel directional antenna and a radar level gauge with such an antenna |
| US11769953B2 (en) * | 2019-06-20 | 2023-09-26 | Nec Corporation | Antenna device and method for designing same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB810975A (en) * | 1955-03-14 | 1959-03-25 | Decca Record Co Ltd | Improvements in or relating to radio antennae systems |
| US3078453A (en) * | 1955-05-13 | 1963-02-19 | Clare D Mcgillem | Radar system for distinguishing closely spaced targets |
| FR1601705A (me) * | 1958-11-05 | 1970-09-14 | ||
| US3182322A (en) * | 1962-03-06 | 1965-05-04 | Stephenson Corp | Radar antennae |
| US3363252A (en) * | 1964-11-23 | 1968-01-09 | Navy Usa | Cross-polarization suppression for antenna feed by use of external vane |
| DE1953743B2 (de) * | 1969-10-24 | 1973-11-15 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Antennenanordnung fur Radar bzw Peilzwecke mit Summen Differenzdiagramm |
-
1972
- 1972-09-15 DE DE2245346A patent/DE2245346C1/de not_active Expired
-
1973
- 1973-04-06 GB GB16697/73A patent/GB1500689A/en not_active Expired
- 1973-05-10 BE BE130972A patent/BE799365A/xx not_active IP Right Cessation
- 1973-07-26 US US05/385,589 patent/US4107690A/en not_active Expired - Lifetime
- 1973-09-07 IT IT28677/73A patent/IT1019551B/it active
- 1973-09-11 NL NLAANVRAGE7312493,A patent/NL171646C/xx not_active IP Right Cessation
- 1973-09-14 FR FR7333083A patent/FR2371068A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL7312493A (nl) | 1978-01-31 |
| FR2371068B1 (me) | 1982-06-04 |
| NL171646B (nl) | 1982-11-16 |
| FR2371068A1 (fr) | 1978-06-09 |
| GB1500689A (en) | 1978-02-08 |
| IT1019551B (it) | 1977-11-30 |
| US4107690A (en) | 1978-08-15 |
| NL171646C (nl) | 1983-04-18 |
| DE2245346C1 (de) | 1978-04-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: SIEMENS A.G. Effective date: 19850510 |