FR1569788A - - Google Patents
Info
- Publication number
- FR1569788A FR1569788A FR1569788DA FR1569788A FR 1569788 A FR1569788 A FR 1569788A FR 1569788D A FR1569788D A FR 1569788DA FR 1569788 A FR1569788 A FR 1569788A
- 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)
- Measuring Phase Differences (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62553467A | 1967-03-23 | 1967-03-23 | |
| US62553367A | 1967-03-23 | 1967-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1569788A true FR1569788A (forum.php) | 1969-06-06 |
Family
ID=27089949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1569788D Expired FR1569788A (forum.php) | 1967-03-23 | 1968-03-22 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE712715A (forum.php) |
| FR (1) | FR1569788A (forum.php) |
| GB (1) | GB1194775A (forum.php) |
| NL (1) | NL6804147A (forum.php) |
-
1968
- 1968-03-22 GB GB1409668A patent/GB1194775A/en not_active Expired
- 1968-03-22 FR FR1569788D patent/FR1569788A/fr not_active Expired
- 1968-03-22 NL NL6804147A patent/NL6804147A/xx unknown
- 1968-03-25 BE BE712715D patent/BE712715A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1194775A (en) | 1970-06-10 |
| BE712715A (forum.php) | 1968-09-25 |
| NL6804147A (forum.php) | 1968-09-24 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |