FR744635A - - Google Patents
Info
- Publication number
- FR744635A FR744635A FR744635DA FR744635A FR 744635 A FR744635 A FR 744635A FR 744635D A FR744635D A FR 744635DA FR 744635 A FR744635 A FR 744635A
- 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)
- Navigation (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US577642A US1952879A (en) | 1931-11-27 | 1931-11-27 | Direction finding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744635A true FR744635A (instruction) | 1933-04-21 |
Family
ID=24309559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744635D Expired FR744635A (instruction) | 1931-11-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1952879A (instruction) |
| DE (1) | DE575122C (instruction) |
| FR (1) | FR744635A (instruction) |
| GB (1) | GB408211A (instruction) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2484824A (en) * | 1945-09-12 | 1949-10-18 | Paul G Hansel | Radio direction finding method and apparatus |
| US3374670A (en) * | 1965-04-26 | 1968-03-26 | Maccleaster Schwarz | Navigation instrumentation |
| US4845502A (en) * | 1988-04-07 | 1989-07-04 | Carr James L | Direction finding method and apparatus |
-
0
- FR FR744635D patent/FR744635A/fr not_active Expired
-
1931
- 1931-11-27 US US577642A patent/US1952879A/en not_active Expired - Lifetime
-
1932
- 1932-09-30 GB GB27207/32A patent/GB408211A/en not_active Expired
- 1932-10-11 DE DEE43384D patent/DE575122C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE575122C (de) | 1933-04-24 |
| US1952879A (en) | 1934-03-27 |
| GB408211A (en) | 1934-04-03 |