BE686503A - - Google Patents
Info
- Publication number
- BE686503A BE686503A BE686503DA BE686503A BE 686503 A BE686503 A BE 686503A BE 686503D A BE686503D A BE 686503DA BE 686503 A BE686503 A BE 686503A
- Authority
- BE
- Belgium
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Power Engineering (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR32035A FR1457600A (fr) | 1965-09-21 | 1965-09-21 | Perfectionnements aux systèmes de radio-localisation |
| FR71367A FR90671E (fr) | 1965-09-21 | 1966-07-29 | Perfectionnements aux systèmes de radio-localisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE686503A true BE686503A (da) | 1967-02-15 |
Family
ID=26166244
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE686503D BE686503A (da) | 1965-09-21 | 1966-09-06 | |
| BE700063D BE700063A (da) | 1965-09-21 | 1967-06-16 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE700063D BE700063A (da) | 1965-09-21 | 1967-06-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US3392389A (da) |
| BE (2) | BE686503A (da) |
| DE (1) | DE1591512C3 (da) |
| FR (1) | FR90671E (da) |
| GB (2) | GB1161798A (da) |
| NL (2) | NL156244B (da) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1811441A1 (de) * | 1968-11-28 | 1970-06-18 | Rheinmetall Gmbh | Verfahren und Anordnung zum Ausrichten der Geschuetzrohre von im Gelaende aufgestellten Geschuetzen von einer Richtstelle aus |
| US9735833B2 (en) | 2015-07-31 | 2017-08-15 | At&T Intellectual Property I, L.P. | Method and apparatus for communications management in a neighborhood network |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2974318A (en) * | 1956-10-16 | 1961-03-07 | Seismograph Service Corp | Radio location system |
| US3150372A (en) * | 1959-06-23 | 1964-09-22 | Motorola Inc | Computing system |
| BE625559A (da) * | 1961-12-09 | |||
| NL290047A (da) * | 1962-03-14 |
-
1966
- 1966-07-29 FR FR71367A patent/FR90671E/fr not_active Expired
- 1966-09-06 BE BE686503D patent/BE686503A/xx unknown
- 1966-09-13 GB GB40954/66A patent/GB1161798A/en not_active Expired
- 1966-09-15 US US579757A patent/US3392389A/en not_active Expired - Lifetime
- 1966-09-16 NL NL6613137.A patent/NL156244B/xx unknown
-
1967
- 1967-06-16 BE BE700063D patent/BE700063A/xx unknown
- 1967-06-21 GB GB28757/67A patent/GB1164518A/en not_active Expired
- 1967-07-08 DE DE1591512A patent/DE1591512C3/de not_active Expired
- 1967-07-12 US US652963A patent/US3452357A/en not_active Expired - Lifetime
- 1967-07-25 NL NL6710231A patent/NL6710231A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1541580A1 (de) | 1969-07-24 |
| BE700063A (da) | 1967-12-01 |
| US3452357A (en) | 1969-06-24 |
| NL156244B (nl) | 1978-03-15 |
| NL6613137A (da) | 1967-03-22 |
| NL6710231A (da) | 1968-01-30 |
| DE1591512A1 (de) | 1970-08-13 |
| DE1591512C3 (de) | 1979-05-03 |
| GB1161798A (en) | 1969-08-20 |
| GB1164518A (en) | 1969-09-17 |
| US3392389A (en) | 1968-07-09 |
| DE1541580B2 (de) | 1975-06-19 |
| FR90671E (fr) | 1968-01-26 |
| DE1591512B2 (de) | 1978-08-31 |