FR2009232A1 - - Google Patents
Info
- Publication number
- FR2009232A1 FR2009232A1 FR6915562A FR6915562A FR2009232A1 FR 2009232 A1 FR2009232 A1 FR 2009232A1 FR 6915562 A FR6915562 A FR 6915562A FR 6915562 A FR6915562 A FR 6915562A FR 2009232 A1 FR2009232 A1 FR 2009232A1
- Authority
- FR
- France
- 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.)
- Pending
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
- G01S1/44—Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation
- G01S1/46—Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon, e.g. cardioid system
- G01S1/50—Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon, e.g. cardioid system wherein the phase angle of the direction-dependent envelope signal is compared with a non-direction-dependent reference signal, e.g. VOR
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU38279/68A AU418957B2 (en) | 1968-05-24 | 1968-05-24 | Improved navigation system for aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2009232A1 true FR2009232A1 (fr) | 1970-01-30 |
Family
ID=3725235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6915562A Pending FR2009232A1 (fr) | 1968-05-24 | 1969-05-23 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3631495A (fr) |
| AU (1) | AU418957B2 (fr) |
| DE (1) | DE1925727B2 (fr) |
| FR (1) | FR2009232A1 (fr) |
| GB (1) | GB1245885A (fr) |
| SE (1) | SE375158B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6608592B2 (en) * | 2002-01-18 | 2003-08-19 | Hewlett-Packard Development Company, Lp. | Location system using beacon transmitters |
| US10228443B2 (en) * | 2012-12-02 | 2019-03-12 | Khalifa University of Science and Technology | Method and system for measuring direction of arrival of wireless signal using circular array displacement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2422110A (en) * | 1942-09-30 | 1947-06-10 | Rca Corp | Omnidirectional radio range |
| NL194237A (fr) * | 1951-03-14 |
-
1968
- 1968-05-24 AU AU38279/68A patent/AU418957B2/en not_active Expired
-
1969
- 1969-05-14 US US824568A patent/US3631495A/en not_active Expired - Lifetime
- 1969-05-20 SE SE6907085A patent/SE375158B/xx unknown
- 1969-05-21 DE DE19691925727 patent/DE1925727B2/de active Pending
- 1969-05-22 GB GB26094/69A patent/GB1245885A/en not_active Expired
- 1969-05-23 FR FR6915562A patent/FR2009232A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE375158B (fr) | 1975-04-07 |
| US3631495A (en) | 1971-12-28 |
| AU418957B2 (en) | 1971-11-09 |
| GB1245885A (en) | 1971-09-08 |
| DE1925727B2 (de) | 1971-11-04 |
| AU3827968A (en) | 1970-12-10 |
| DE1925727A1 (de) | 1969-12-04 |