FR74431E - Système de radionavigation - Google Patents
Système de radionavigationInfo
- Publication number
- FR74431E FR74431E FR750902A FR750902A FR74431E FR 74431 E FR74431 E FR 74431E FR 750902 A FR750902 A FR 750902A FR 750902 A FR750902 A FR 750902A FR 74431 E FR74431 E FR 74431E
- Authority
- FR
- France
- Prior art keywords
- navigation system
- radio navigation
- radio
- navigation
- 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
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/34—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being vacuum tube
-
- 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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR750902A FR74431E (fr) | 1957-11-05 | 1957-11-05 | Système de radionavigation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR750902A FR74431E (fr) | 1957-11-05 | 1957-11-05 | Système de radionavigation |
Publications (1)
Publication Number | Publication Date |
---|---|
FR74431E true FR74431E (fr) | 1960-12-19 |
Family
ID=8705041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR750902A Expired FR74431E (fr) | 1957-11-05 | 1957-11-05 | Système de radionavigation |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR74431E (fr) |
-
1957
- 1957-11-05 FR FR750902A patent/FR74431E/fr not_active Expired
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