NL115134B - - Google Patents
Info
- Publication number
- NL115134B NL115134B NL115134DA NL115134B NL 115134 B NL115134 B NL 115134B NL 115134D A NL115134D A NL 115134DA NL 115134 B NL115134 B NL 115134B
- Authority
- NL
- Netherlands
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL642182X | 1944-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL115134B true NL115134B (en) |
Family
ID=19791807
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL64725D NL64725C (en) | 1944-02-05 | ||
NL115134D NL115134B (en) | 1944-02-05 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL64725D NL64725C (en) | 1944-02-05 |
Country Status (4)
Country | Link |
---|---|
BE (2) | BE462329A (en) |
FR (1) | FR924196A (en) |
GB (1) | GB642182A (en) |
NL (2) | NL115134B (en) |
-
0
- NL NL64725D patent/NL64725C/xx active
- NL NL115134D patent/NL115134B/xx unknown
- BE BE462330D patent/BE462330A/xx unknown
- BE BE462329D patent/BE462329A/xx unknown
-
1946
- 1946-01-30 FR FR924196D patent/FR924196A/en not_active Expired
-
1947
- 1947-02-05 GB GB3435/47A patent/GB642182A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL64725C (en) | |
BE462329A (en) | |
FR924196A (en) | 1947-07-29 |
GB642182A (en) | 1950-08-30 |
BE462330A (en) |