BE659056A - - Google Patents
Info
- Publication number
- BE659056A BE659056A BE659056A BE659056A BE659056A BE 659056 A BE659056 A BE 659056A BE 659056 A BE659056 A BE 659056A BE 659056 A BE659056 A BE 659056A BE 659056 A BE659056 A BE 659056A
- 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
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- 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
- G01S13/84—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR962202A FR1391978A (fr) | 1964-01-31 | 1964-01-31 | Perfectionnements aux systèmes de radio localisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE659056A true BE659056A (de) | 1965-05-17 |
Family
ID=8822153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE659056A BE659056A (de) | 1964-01-31 | 1965-01-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3339196A (de) |
| BE (1) | BE659056A (de) |
| DE (1) | DE1289144B (de) |
| FR (1) | FR1391978A (de) |
| GB (1) | GB1085469A (de) |
| NL (1) | NL6501014A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3540016A (en) * | 1965-11-09 | 1970-11-10 | An Controls Inc Di | Magnetic storage integrated circuit for performing logical functions |
| DE1591158B1 (de) * | 1967-06-01 | 1971-03-04 | Hastings Raydist Inc | Beweglicher funknavigationsempfaenger fuer entfernungs messung gegenueber zwei festen stationen durch phasen vergleich |
| US7327306B2 (en) * | 2005-05-06 | 2008-02-05 | Orthosoft Inc. | RF system for tracking objects |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2742638A (en) * | 1952-01-05 | 1956-04-17 | Vernon M Haywood | Radio ranging system |
| US2709253A (en) * | 1952-01-05 | 1955-05-24 | Hastings Instr Co Inc | Radio ranging system |
| BE547742A (de) * | 1955-05-12 | |||
| FR1210627A (fr) * | 1955-11-15 | 1960-03-09 | South African Council Scientif | Procédé et appareillage pour déterminer des positions relatives par le temps de transmission d'ondes |
| FR1203217A (fr) * | 1958-07-26 | 1960-01-15 | Geophysique Cie Gle | Perfectionnements aux systèmes de détermination radio-électrique des distances |
| US3213449A (en) * | 1962-12-15 | 1965-10-19 | Anritsu Electronic Works Ltd | Distance measuring system |
| US3155972A (en) * | 1963-03-22 | 1964-11-03 | Ford Motor Co | Continuous wave radar |
-
1964
- 1964-01-31 FR FR962202A patent/FR1391978A/fr not_active Expired
-
1965
- 1965-01-13 GB GB1578/65A patent/GB1085469A/en not_active Expired
- 1965-01-13 US US425262A patent/US3339196A/en not_active Expired - Lifetime
- 1965-01-20 BE BE659056A patent/BE659056A/xx unknown
- 1965-01-22 DE DEC34924A patent/DE1289144B/de active Pending
- 1965-01-27 NL NL6501014A patent/NL6501014A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6501014A (de) | 1965-08-02 |
| GB1085469A (en) | 1967-10-04 |
| US3339196A (en) | 1967-08-29 |
| DE1289144B (de) | 1969-02-13 |
| FR1391978A (fr) | 1965-03-12 |