FR734986A - Méthode et moyens radio-électriques pour indiquer la direction - Google Patents
Méthode et moyens radio-électriques pour indiquer la directionInfo
- Publication number
- FR734986A FR734986A FR734986DA FR734986A FR 734986 A FR734986 A FR 734986A FR 734986D A FR734986D A FR 734986DA FR 734986 A FR734986 A FR 734986A
- Authority
- FR
- France
- Prior art keywords
- radio
- electric method
- indicating direction
- indicating
- electric
- 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)
- Circuits Of Receivers In General (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US404659XA | 1931-04-11 | 1931-04-11 | |
US6107A US2159159A (en) | 1931-04-11 | 1935-02-11 | Method of and means for indicating direction |
Publications (1)
Publication Number | Publication Date |
---|---|
FR734986A true FR734986A (fr) | 1932-10-31 |
Family
ID=26675202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR734986D Expired FR734986A (fr) | 1931-04-11 | 1932-04-11 | Méthode et moyens radio-électriques pour indiquer la direction |
Country Status (3)
Country | Link |
---|---|
US (1) | US2159159A (fr) |
FR (1) | FR734986A (fr) |
GB (1) | GB404659A (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2425102A (en) * | 1943-09-20 | 1947-08-05 | Hazeltine Research Inc | Radiant-energy receiver |
US2516272A (en) * | 1945-12-07 | 1950-07-25 | Philco Corp | Frequency conversion system |
US2569296A (en) * | 1948-05-12 | 1951-09-25 | Gen Electric | Frequency converter with plural selectable oscillators |
US4071845A (en) * | 1975-03-31 | 1978-01-31 | Raytheon Company | Harbor radio navigation system |
-
1932
- 1932-04-11 FR FR734986D patent/FR734986A/fr not_active Expired
- 1932-04-11 GB GB10328/32A patent/GB404659A/en not_active Expired
-
1935
- 1935-02-11 US US6107A patent/US2159159A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB404659A (en) | 1934-01-11 |
US2159159A (en) | 1939-05-23 |
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