BE478977A - - Google Patents

Info

Publication number: BE478977A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1942-12-23

Publication of BE478977A publication Critical patent/BE478977A/xx

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)

BE478977D 1942-12-23 BE478977A (fr)

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
BE478977A true BE478977A (fr)

Family

ID=10109882

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE478977D BE478977A (fr)	1942-12-23

Country Status (3)

Country	Link
BE (1)	BE478977A (fr)
FR (1)	FR958128A (fr)
GB (1)	GB581603A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
- BE BE478977D patent/BE478977A/xx unknown
- FR FR958128D patent/FR958128A/fr not_active Expired
1942
- 1942-12-23 GB GB1828842A patent/GB581603A/en not_active Expired

Also Published As

Publication number	Publication date
FR958128A (fr)	1950-03-03
GB581603A (en)	1946-10-18

Publication	Publication Date	Title
FR958128A (fr)	1950-03-03
BE446350A (fr)
BE446312A (fr)
BE441168A (fr)
BE441218A (fr)
BE442959A (fr)
BE443577A (fr)
BE444337A (fr)
BE444433A (fr)
BE444539A (fr)	1942-03-31
BE444654A (fr)	1942-03-31
BE444779A (fr)
BE444937A (fr)
BE445013A (fr)
BE445032A (fr)	1942-04-30
BE445075A (fr)	1942-05-30
BE445132A (fr)
BE445174A (fr)
BE445207A (fr)
BE445519A (fr)
BE445534A (fr)
BE445553A (fr)
BE445562A (fr)
BE445596A (fr)
BE445632A (fr)