SE369966B - - Google Patents
Info
- Publication number
- SE369966B SE369966B SE613871A SE613871A SE369966B SE 369966 B SE369966 B SE 369966B SE 613871 A SE613871 A SE 613871A SE 613871 A SE613871 A SE 613871A SE 369966 B SE369966 B SE 369966B
- Authority
- SE
- Sweden
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
- G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
- G01S1/40—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Navigation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2298470 | 1970-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE369966B true SE369966B (xx) | 1974-09-23 |
Family
ID=10188215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE613871A SE369966B (xx) | 1970-05-12 | 1971-05-12 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5145440B1 (xx) |
| CA (1) | CA949178A (xx) |
| CH (1) | CH524146A (xx) |
| DE (1) | DE2123029C3 (xx) |
| FR (1) | FR2088516B1 (xx) |
| GB (1) | GB1327585A (xx) |
| SE (1) | SE369966B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5235748U (xx) * | 1975-09-04 | 1977-03-14 | ||
| GB201223159D0 (en) | 2012-12-21 | 2013-02-06 | British American Tobacco Co | Insertable filter unit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1038275A (fr) * | 1950-06-09 | 1953-09-28 | Int Standard Electric Corp | Balises radio-électriques tournantes |
| GB1236141A (en) * | 1969-03-07 | 1971-06-23 | Standard Telephones Cables Ltd | Radio navigation system |
-
1970
- 1970-05-12 GB GB1327585D patent/GB1327585A/en not_active Expired
-
1971
- 1971-05-10 DE DE19712123029 patent/DE2123029C3/de not_active Expired
- 1971-05-11 CH CH694671A patent/CH524146A/de not_active IP Right Cessation
- 1971-05-11 FR FR7116919A patent/FR2088516B1/fr not_active Expired
- 1971-05-12 SE SE613871A patent/SE369966B/xx unknown
- 1971-05-12 JP JP3126071A patent/JPS5145440B1/ja active Pending
- 1971-05-12 CA CA112,832A patent/CA949178A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2123029C3 (de) | 1980-07-10 |
| FR2088516A1 (xx) | 1972-01-07 |
| GB1327585A (en) | 1973-08-22 |
| CA949178A (en) | 1974-06-11 |
| FR2088516B1 (xx) | 1976-12-03 |
| DE2123029B2 (xx) | 1979-10-18 |
| JPS5145440B1 (xx) | 1976-12-03 |
| CH524146A (de) | 1972-06-15 |
| DE2123029A1 (de) | 1971-11-25 |