GB581603A - Improvements in or relating to wireless systems for navigation - Google Patents
Improvements in or relating to wireless systems for navigationInfo
- Publication number
- GB581603A GB581603A GB1828842A GB1828842A GB581603A GB 581603 A GB581603 A GB 581603A GB 1828842 A GB1828842 A GB 1828842A GB 1828842 A GB1828842 A GB 1828842A GB 581603 A GB581603 A GB 581603A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pulses
- pulse
- grid
- transmitters
- traces
- 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
- 238000005259 measurement Methods 0.000 abstract 2
- 239000013078 crystal Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 1
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
- G01S1/24—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 pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Geophysics And Detection Of Objects (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR958128D FR958128A (enrdf_load_stackoverflow) | 1942-12-23 | ||
BE478977D BE478977A (enrdf_load_stackoverflow) | 1942-12-23 | ||
GB1828842A GB581603A (en) | 1942-12-23 | 1942-12-23 | Improvements in or relating to wireless systems for navigation |
US527018A US2800653A (en) | 1942-12-23 | 1944-03-17 | Wireless system for navigation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1828842A GB581603A (en) | 1942-12-23 | 1942-12-23 | Improvements in or relating to wireless systems for navigation |
Publications (1)
Publication Number | Publication Date |
---|---|
GB581603A true GB581603A (en) | 1946-10-18 |
Family
ID=10109882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1828842A Expired GB581603A (en) | 1942-12-23 | 1942-12-23 | Improvements in or relating to wireless systems for navigation |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE478977A (enrdf_load_stackoverflow) |
FR (1) | FR958128A (enrdf_load_stackoverflow) |
GB (1) | GB581603A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2513322A (en) * | 1948-11-27 | 1950-07-04 | Seismograph Service Corp | Radio location system |
US2863046A (en) * | 1955-05-26 | 1958-12-02 | Hughes Aircraft Co | Sequential gated automatic gain control circuit |
-
0
- FR FR958128D patent/FR958128A/fr not_active Expired
- BE BE478977D patent/BE478977A/xx unknown
-
1942
- 1942-12-23 GB GB1828842A patent/GB581603A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2513322A (en) * | 1948-11-27 | 1950-07-04 | Seismograph Service Corp | Radio location system |
US2863046A (en) * | 1955-05-26 | 1958-12-02 | Hughes Aircraft Co | Sequential gated automatic gain control circuit |
Also Published As
Publication number | Publication date |
---|---|
FR958128A (enrdf_load_stackoverflow) | 1950-03-03 |
BE478977A (enrdf_load_stackoverflow) |
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