NL230649A - - Google Patents
Info
- Publication number
- NL230649A NL230649A NL230649DA NL230649A NL 230649 A NL230649 A NL 230649A NL 230649D A NL230649D A NL 230649DA NL 230649 A NL230649 A NL 230649A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/04—Display arrangements
- G01S7/06—Cathode-ray tube displays or other two dimensional or three-dimensional displays
- G01S7/10—Providing two-dimensional and co-ordinated display of distance and direction
- G01S7/12—Plan-position indicators, i.e. P.P.I.
-
- 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
-
- 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
- G01S13/87—Combinations of radar systems, e.g. primary radar and secondary radar
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26800/57A GB838907A (en) | 1957-08-26 | 1957-08-26 | Improvements in or relating to pulsed radar systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL230649A true NL230649A (en:Method) |
Family
ID=10249430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL230649D NL230649A (en:Method) | 1957-08-26 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3067418A (en:Method) |
| FR (1) | FR1209361A (en:Method) |
| GB (1) | GB838907A (en:Method) |
| NL (1) | NL230649A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3188632A (en) * | 1961-03-01 | 1965-06-08 | Hughes Aircraft Co | Obstacle clearing system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2627068A (en) * | 1944-01-20 | 1953-01-27 | William A Huber | Radio system |
-
0
- NL NL230649D patent/NL230649A/xx unknown
-
1957
- 1957-08-26 GB GB26800/57A patent/GB838907A/en not_active Expired
-
1958
- 1958-07-14 US US748393A patent/US3067418A/en not_active Expired - Lifetime
- 1958-07-31 FR FR1209361D patent/FR1209361A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1209361A (fr) | 1960-03-01 |
| US3067418A (en) | 1962-12-04 |
| GB838907A (en) | 1960-06-22 |