NL7212991A - - Google Patents
Info
- Publication number
- NL7212991A NL7212991A NL7212991A NL7212991A NL7212991A NL 7212991 A NL7212991 A NL 7212991A NL 7212991 A NL7212991 A NL 7212991A NL 7212991 A NL7212991 A NL 7212991A NL 7212991 A NL7212991 A NL 7212991A
- 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
- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
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- 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
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
- G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7212991A NL7212991A (cs) | 1972-09-26 | 1972-09-26 | |
| GB4289673A GB1437805A (en) | 1972-09-26 | 1973-09-12 | Method of measuring the distance between two stations and a system for applying this method |
| JP48107919A JPS5916229B2 (ja) | 1972-09-26 | 1973-09-25 | 2局間のデ−タ転送方法及びその装置 |
| US05/712,053 US4072946A (en) | 1972-09-26 | 1976-08-06 | Method and apparatus for measuring the distance between two stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7212991A NL7212991A (cs) | 1972-09-26 | 1972-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7212991A true NL7212991A (cs) | 1974-03-28 |
Family
ID=19817010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7212991A NL7212991A (cs) | 1972-09-26 | 1972-09-26 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB1437805A (cs) |
| NL (1) | NL7212991A (cs) |
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1972
- 1972-09-26 NL NL7212991A patent/NL7212991A/xx not_active Application Discontinuation
-
1973
- 1973-09-12 GB GB4289673A patent/GB1437805A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1437805A (en) | 1976-06-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |