NL7209792A - - Google Patents
Info
- Publication number
- NL7209792A NL7209792A NL7209792A NL7209792A NL7209792A NL 7209792 A NL7209792 A NL 7209792A NL 7209792 A NL7209792 A NL 7209792A NL 7209792 A NL7209792 A NL 7209792A NL 7209792 A NL7209792 A NL 7209792A
- 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
- H01Q25/04—Multimode antennas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/146—Systems for determining direction or deviation from predetermined direction by comparing linear polarisation components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2135611 | 1971-07-16 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7209792A true NL7209792A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-01-18 |
| NL177269B NL177269B (nl) | 1985-03-18 |
| NL177269C NL177269C (nl) | 1985-08-16 |
Family
ID=5813903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7209792,A NL177269C (nl) | 1971-07-16 | 1972-07-14 | Moduskoppelinrichting in een peilingstelsel. |
Country Status (7)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH639769A5 (de) * | 1979-10-02 | 1983-11-30 | Fruengel Frank | Sichtweitenmessgeraet nach dem prinzip der vorwaertsstreuung und dessen verwendung. |
| FI75669C (fi) * | 1986-02-04 | 1988-07-11 | Vaisala Oy | Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet. |
| DE102013011651A1 (de) * | 2013-07-11 | 2015-01-15 | ESA-microwave service GmbH | Antennen-Speisesystem im Mikrowellenbereich für Reflektorantennen |
-
1971
- 1971-07-16 DE DE2135611A patent/DE2135611C2/de not_active Expired
-
1972
- 1972-07-13 CH CH1054872A patent/CH538763A/de not_active IP Right Cessation
- 1972-07-13 FR FR7225469A patent/FR2146282B3/fr not_active Expired
- 1972-07-14 NL NLAANVRAGE7209792,A patent/NL177269C/xx not_active IP Right Cessation
- 1972-07-17 GB GB3330072A patent/GB1403747A/en not_active Expired
- 1972-07-17 JP JP47071519A patent/JPS5132559B1/ja active Pending
- 1972-07-17 CA CA147,252A patent/CA993531A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5132559B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-09-13 |
| DE2135611B1 (de) | 1972-11-16 |
| CH538763A (de) | 1973-06-30 |
| GB1403747A (en) | 1975-08-28 |
| NL177269C (nl) | 1985-08-16 |
| FR2146282B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-05 |
| DE2135611C2 (de) | 1975-02-06 |
| NL177269B (nl) | 1985-03-18 |
| FR2146282A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-02 |
| CA993531A (en) | 1976-07-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: AEG-TELEFUNKEN NACHRICHTENTECHNIK GMBH |
|
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: ANT NACHRICHTENTECHNIK GMBH |
|
| A85 | Still pending on 85-01-01 | ||
| V1 | Lapsed because of non-payment of the annual fee |