FR2236186B3 - - Google Patents
Info
- Publication number
- FR2236186B3 FR2236186B3 FR7423506A FR7423506A FR2236186B3 FR 2236186 B3 FR2236186 B3 FR 2236186B3 FR 7423506 A FR7423506 A FR 7423506A FR 7423506 A FR7423506 A FR 7423506A FR 2236186 B3 FR2236186 B3 FR 2236186B3
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPB397473 | 1973-07-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2236186A1 FR2236186A1 (en) | 1975-01-31 |
| FR2236186B3 true FR2236186B3 (enExample) | 1977-05-06 |
Family
ID=3765722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7423506A Granted FR2236186A1 (en) | 1973-07-05 | 1974-07-05 | Frequency coded radio wave prodn. - is by antenna with cylindrical or quasi-cylindrical reflector |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS50106596A (enExample) |
| AU (1) | AU7093174A (enExample) |
| DE (1) | DE2432396A1 (enExample) |
| FR (1) | FR2236186A1 (enExample) |
| NL (1) | NL7409154A (enExample) |
| NO (1) | NO742462L (enExample) |
| SE (1) | SE7408804L (enExample) |
-
1973
- 1973-07-05 AU AU70931/74A patent/AU7093174A/en not_active Expired
-
1974
- 1974-07-04 SE SE7408804A patent/SE7408804L/xx not_active Application Discontinuation
- 1974-07-05 DE DE2432396A patent/DE2432396A1/de active Pending
- 1974-07-05 FR FR7423506A patent/FR2236186A1/fr active Granted
- 1974-07-05 JP JP49077208A patent/JPS50106596A/ja active Pending
- 1974-07-05 NO NO742462A patent/NO742462L/no unknown
- 1974-07-05 NL NL7409154A patent/NL7409154A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50106596A (enExample) | 1975-08-22 |
| FR2236186A1 (en) | 1975-01-31 |
| AU7093174A (en) | 1976-01-08 |
| NO742462L (enExample) | 1975-01-07 |
| SE7408804L (enExample) | 1975-01-07 |
| NL7409154A (nl) | 1975-01-07 |
| DE2432396A1 (de) | 1975-01-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |