FR856256A - Electro-magnetic and similar wave direction indicating devices - Google Patents
Electro-magnetic and similar wave direction indicating devicesInfo
- Publication number
- FR856256A FR856256A FR856256DA FR856256A FR 856256 A FR856256 A FR 856256A FR 856256D A FR856256D A FR 856256DA FR 856256 A FR856256 A FR 856256A
- Authority
- FR
- France
- Prior art keywords
- electro
- magnetic
- direction indicating
- wave direction
- indicating devices
- Prior art date
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR856256T | 1939-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR856256A true FR856256A (en) | 1940-06-10 |
Family
ID=9328758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR856256D Expired FR856256A (en) | 1939-02-17 | 1939-02-17 | Electro-magnetic and similar wave direction indicating devices |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR856256A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2470912A (en) * | 1946-04-05 | 1949-05-24 | Rca Corp | Navigation aiding apparatus |
US2508562A (en) * | 1944-10-10 | 1950-05-23 | Us Sec War | Position locating method |
US2586743A (en) * | 1945-11-14 | 1952-02-19 | Russell W Thresher | Display system for radar navigation |
US3071765A (en) * | 1950-08-11 | 1963-01-01 | Gerald C Schutz | Radar map guidance system |
US3109063A (en) * | 1960-09-22 | 1963-10-29 | Decca Ltd | Cathode ray tube display apparatus |
-
1939
- 1939-02-17 FR FR856256D patent/FR856256A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2508562A (en) * | 1944-10-10 | 1950-05-23 | Us Sec War | Position locating method |
US2586743A (en) * | 1945-11-14 | 1952-02-19 | Russell W Thresher | Display system for radar navigation |
US2470912A (en) * | 1946-04-05 | 1949-05-24 | Rca Corp | Navigation aiding apparatus |
US3071765A (en) * | 1950-08-11 | 1963-01-01 | Gerald C Schutz | Radar map guidance system |
US3109063A (en) * | 1960-09-22 | 1963-10-29 | Decca Ltd | Cathode ray tube display apparatus |
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