NL151799B - Ondervraag-antwoordstelsel voor verschillende ondervragingscodes. - Google Patents
Ondervraag-antwoordstelsel voor verschillende ondervragingscodes.Info
- Publication number
- NL151799B NL151799B NL7013176A NL7013176A NL151799B NL 151799 B NL151799 B NL 151799B NL 7013176 A NL7013176 A NL 7013176A NL 7013176 A NL7013176 A NL 7013176A NL 151799 B NL151799 B NL 151799B
- Authority
- NL
- Netherlands
- Prior art keywords
- question
- codes
- answer system
- different
- answer
- Prior art date
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
- G01S13/76—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
- G01S13/781—Secondary Surveillance Radar [SSR] in general
- G01S13/782—Secondary Surveillance Radar [SSR] in general using multimoding or selective addressing
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 |
---|---|---|---|
DE19691946247 DE1946247C3 (de) | 1969-09-12 | 1969-09-12 | Nach dem Funk Ruckstrahlprinzip arbeitendes Abfrage Antwort System fur verschiedene Abfragecodes |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7013176A NL7013176A (nl) | 1971-11-25 |
NL151799B true NL151799B (nl) | 1976-12-15 |
Family
ID=5745336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7013176A NL151799B (nl) | 1969-09-12 | 1970-09-07 | Ondervraag-antwoordstelsel voor verschillende ondervragingscodes. |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1946247C3 (nl) |
FR (1) | FR2099732A5 (nl) |
GB (1) | GB1254807A (nl) |
NL (1) | NL151799B (nl) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2365675C1 (de) * | 1973-11-09 | 1988-11-10 | Siemens AG, 1000 Berlin und 8000 München | Abfrage-Antwort-System mit einem Primärradar und mit Filtern in der Antwortstation |
US4067011A (en) * | 1976-10-22 | 1978-01-03 | Motorola, Inc. | Digital transponder universal pulse assembly |
DE2747388A1 (de) * | 1977-10-21 | 1979-04-26 | Siemens Ag | Elektronisches kontrollsystem |
DE2826902C3 (de) * | 1978-06-20 | 1980-12-11 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Anordnung zur Ausschaltung von f ruit-Störungen in einem Sekundär-Radar-System mit Gleichkanalbetrieb und Abfragestationsmarkierung |
DE2941820C2 (de) * | 1979-10-16 | 1986-12-11 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung zur Freund-Feind-Identifizierung |
ZA829121B (en) * | 1981-12-18 | 1983-09-28 | Senelco Ltd | Transmitter/responder systems |
GB2112607B (en) * | 1981-12-18 | 1986-01-02 | Senelco Ltd | Transmitter/responder systems |
GB9410959D0 (en) * | 1994-06-01 | 1994-07-20 | Coveley Michael | Radio ranging finder |
-
1969
- 1969-09-12 DE DE19691946247 patent/DE1946247C3/de not_active Expired
-
1970
- 1970-05-18 GB GB2380570A patent/GB1254807A/en not_active Expired
- 1970-09-07 NL NL7013176A patent/NL151799B/nl not_active IP Right Cessation
- 1970-09-14 FR FR7033187A patent/FR2099732A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1254807A (en) | 1971-11-24 |
DE1946247A1 (de) | 1971-07-29 |
NL7013176A (nl) | 1971-11-25 |
DE1946247B2 (de) | 1973-03-15 |
FR2099732A5 (nl) | 1972-03-17 |
DE1946247C3 (de) | 1973-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: SIEMENS |