FR73686E - Direction-finding system - Google Patents
Direction-finding systemInfo
- Publication number
- FR73686E FR73686E FR767243A FR767243A FR73686E FR 73686 E FR73686 E FR 73686E FR 767243 A FR767243 A FR 767243A FR 767243 A FR767243 A FR 767243A FR 73686 E FR73686 E FR 73686E
- Authority
- FR
- France
- Prior art keywords
- finding system
- finding
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/52—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal
- G01S3/54—Systems for determining direction or deviation from predetermined direction using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR767243A FR73686E (en) | 1958-06-05 | 1958-06-05 | Direction-finding system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR767243A FR73686E (en) | 1958-06-05 | 1958-06-05 | Direction-finding system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR73686E true FR73686E (en) | 1960-09-05 |
Family
ID=8706676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR767243A Expired FR73686E (en) | 1958-06-05 | 1958-06-05 | Direction-finding system |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR73686E (en) |
-
1958
- 1958-06-05 FR FR767243A patent/FR73686E/en not_active Expired
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