FR2207281B1 - - Google Patents
Info
- Publication number
- FR2207281B1 FR2207281B1 FR7341329A FR7341329A FR2207281B1 FR 2207281 B1 FR2207281 B1 FR 2207281B1 FR 7341329 A FR7341329 A FR 7341329A FR 7341329 A FR7341329 A FR 7341329A FR 2207281 B1 FR2207281 B1 FR 2207281B1
- 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47116440A JPS5232157B2 (fr) | 1972-11-20 | 1972-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2207281A1 FR2207281A1 (fr) | 1974-06-14 |
| FR2207281B1 true FR2207281B1 (fr) | 1977-08-12 |
Family
ID=14687147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7341329A Expired FR2207281B1 (fr) | 1972-11-20 | 1973-11-20 |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5232157B2 (fr) |
| BE (1) | BE807523A (fr) |
| BR (1) | BR7309038D0 (fr) |
| ES (1) | ES420655A1 (fr) |
| FR (1) | FR2207281B1 (fr) |
| GB (1) | GB1448846A (fr) |
| IT (1) | IT999432B (fr) |
| NL (1) | NL7315810A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54120845U (fr) * | 1978-02-08 | 1979-08-24 | ||
| CN113706930B (zh) * | 2021-09-01 | 2022-09-09 | 浙江华是科技股份有限公司 | 一种桥区引航方法、装置、系统及计算机存储介质 |
-
1972
- 1972-11-20 JP JP47116440A patent/JPS5232157B2/ja not_active Expired
-
1973
- 1973-11-16 IT IT31440/73A patent/IT999432B/it active
- 1973-11-16 GB GB5338473A patent/GB1448846A/en not_active Expired
- 1973-11-19 BR BR9038/73A patent/BR7309038D0/pt unknown
- 1973-11-19 ES ES420655A patent/ES420655A1/es not_active Expired
- 1973-11-19 NL NL7315810A patent/NL7315810A/xx unknown
- 1973-11-20 BE BE2053227A patent/BE807523A/fr unknown
- 1973-11-20 FR FR7341329A patent/FR2207281B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT999432B (it) | 1976-02-20 |
| JPS4972897A (fr) | 1974-07-13 |
| FR2207281A1 (fr) | 1974-06-14 |
| BR7309038D0 (pt) | 1974-08-22 |
| ES420655A1 (es) | 1976-04-01 |
| DE2357689A1 (de) | 1974-05-30 |
| NL7315810A (fr) | 1974-05-22 |
| GB1448846A (en) | 1976-09-08 |
| BE807523A (fr) | 1974-03-15 |
| DE2357689B2 (de) | 1976-08-05 |
| JPS5232157B2 (fr) | 1977-08-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |