FR1584009A - - Google Patents
Info
- Publication number
- FR1584009A FR1584009A FR1584009DA FR1584009A FR 1584009 A FR1584009 A FR 1584009A FR 1584009D A FR1584009D A FR 1584009DA FR 1584009 A FR1584009 A FR 1584009A
- 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
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/42—Simultaneous measurement of distance and other co-ordinates
- G01S13/44—Monopulse radar, i.e. simultaneous lobing
- G01S13/4409—HF sub-systems particularly adapted therefor, e.g. circuits for signal combination
-
- 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
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR158039 | 1968-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1584009A true FR1584009A (en) | 1969-12-12 |
Family
ID=8652145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1584009D Expired FR1584009A (en) | 1968-07-05 | 1968-07-05 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1933950C3 (en) |
| FR (1) | FR1584009A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8812091D0 (en) * | 1988-05-21 | 1988-06-22 | Gen Electric Co Plc | Waveguide apparatus |
| US5210543A (en) * | 1988-12-20 | 1993-05-11 | Hughes Aircraft Company | Feed waveguide for an array antenna |
| WO1990007201A1 (en) * | 1988-12-20 | 1990-06-28 | Hughes Aircraft Company | Improved feed waveguide for an array antenna |
-
1968
- 1968-07-05 FR FR1584009D patent/FR1584009A/fr not_active Expired
-
1969
- 1969-07-04 DE DE19691933950 patent/DE1933950C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1933950C3 (en) | 1979-06-13 |
| DE1933950A1 (en) | 1970-01-15 |
| DE1933950B2 (en) | 1978-10-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |