FR57439E - Direction discriminator - Google Patents
Direction discriminatorInfo
- Publication number
- FR57439E FR57439E FR57439DA FR57439E FR 57439 E FR57439 E FR 57439E FR 57439D A FR57439D A FR 57439DA FR 57439 E FR57439 E FR 57439E
- Authority
- FR
- France
- Prior art keywords
- direction discriminator
- discriminator
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H2/00—Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
- H03H2/005—Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
- H03H2/008—Receiver or amplifier input circuits
-
- 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 |
---|---|---|---|
FR57439T | 1947-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR57439E true FR57439E (en) | 1953-01-28 |
Family
ID=8691488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR57439D Expired FR57439E (en) | 1947-07-09 | 1947-07-09 | Direction discriminator |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR57439E (en) |
-
1947
- 1947-07-09 FR FR57439D patent/FR57439E/en not_active Expired
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