FR2077864B1 - - Google Patents
Info
- Publication number
- FR2077864B1 FR2077864B1 FR7005956A FR7005956A FR2077864B1 FR 2077864 B1 FR2077864 B1 FR 2077864B1 FR 7005956 A FR7005956 A FR 7005956A FR 7005956 A FR7005956 A FR 7005956A FR 2077864 B1 FR2077864 B1 FR 2077864B1
- 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
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/74—Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7005956A FR2077864B1 (de) | 1970-02-19 | 1970-02-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7005956A FR2077864B1 (de) | 1970-02-19 | 1970-02-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2077864A1 FR2077864A1 (de) | 1971-11-05 |
FR2077864B1 true FR2077864B1 (de) | 1973-08-10 |
Family
ID=9050936
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7005956A Expired FR2077864B1 (de) | 1970-02-19 | 1970-02-19 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2077864B1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07147529A (ja) * | 1993-06-28 | 1995-06-06 | Hitachi Ltd | 分割帯域信号強度測定法を用いた自動周波数制御装置及び制御方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL61924C (de) * | 1938-03-21 | 1900-01-01 | ||
US3312970A (en) * | 1941-06-27 | 1967-04-04 | Rca Corp | Pulse echo recognition systems |
US3241137A (en) * | 1958-05-05 | 1966-03-15 | Stewart Warner Corp | Transponder-type beacons |
US3375516A (en) * | 1967-05-26 | 1968-03-26 | Navy Usa | Dual antenna system for transponder beacon devices |
-
1970
- 1970-02-19 FR FR7005956A patent/FR2077864B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2077864A1 (de) | 1971-11-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |