FR969017A - Perfectionnements aux systèmes radioélectriques - Google Patents
Perfectionnements aux systèmes radioélectriquesInfo
- Publication number
- FR969017A FR969017A FR969017DA FR969017A FR 969017 A FR969017 A FR 969017A FR 969017D A FR969017D A FR 969017DA FR 969017 A FR969017 A FR 969017A
- Authority
- FR
- France
- Prior art keywords
- radio systems
- radio
- systems
- 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
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
- G01S1/30—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference
- G01S1/304—Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (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 |
---|---|---|---|
FR969017T | 1948-07-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR969017A true FR969017A (fr) | 1950-12-12 |
Family
ID=9501710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR969017D Expired FR969017A (fr) | 1948-07-07 | 1948-07-07 | Perfectionnements aux systèmes radioélectriques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR969017A (fr) |
-
1948
- 1948-07-07 FR FR969017D patent/FR969017A/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1004115A (fr) | Perfectionnements aux filtres | |
FR979438A (fr) | Perfectionnements aux systèmes d'antennes | |
FR1007178A (fr) | Perfectionnements aux bouteilles | |
FR995899A (fr) | Perfectionnements aux systèmes de transmission | |
FR57926E (fr) | Perfectionnements aux stylographes | |
FR969017A (fr) | Perfectionnements aux systèmes radioélectriques | |
FR1024443A (fr) | Perfectionnements aux systèmes radar | |
FR925023A (fr) | Perfectionnements aux systèmes directifs radioélectriques | |
FR58275E (fr) | Perfectionnements aux stylographes | |
FR986560A (fr) | Perfectionnements aux systèmes de détection radioélectrique | |
FR967338A (fr) | Perfectionnements aux systèmes téléphoniques | |
FR978603A (fr) | Perfectionnements aux systèmes téléphoniques | |
FR986127A (fr) | Perfectionnements aux systèmes amplificateurs | |
FR969957A (fr) | Perfectionnements aux systèmes de radio-atterrissage | |
FR1002740A (fr) | Perfectionnements aux systèmes de télémesure | |
FR998923A (fr) | Perfectionnements aux systèmes de communication radio-électriques | |
FR982853A (fr) | Perfectionnements aux systèmes électriques de régulation | |
FR980836A (fr) | Perfectionnements aux filtres | |
FR982268A (fr) | Perfectionnements aux systèmes réfrigérants | |
FR1010598A (fr) | Perfectionnements aux rouches | |
FR1103407A (fr) | Perfectionnements aux stylographes | |
FR972678A (fr) | Perfectionnements aux systèmes téléphoniques | |
FR1008676A (fr) | Perfectionnements aux systèmes électriques | |
FR59548E (fr) | Perfectionnements aux systèmes électriques | |
FR967617A (fr) | Perfectionnements aux systèmes rayonnants |