BE431148A - - Google Patents
Info
- Publication number
- BE431148A BE431148A BE431148DA BE431148A BE 431148 A BE431148 A BE 431148A BE 431148D A BE431148D A BE 431148DA BE 431148 A BE431148 A BE 431148A
- Authority
- BE
- Belgium
- Prior art keywords
- signals
- indicating device
- optical indicating
- categories
- frequency
- Prior art date
Links
- 230000003287 optical Effects 0.000 claims description 23
- 230000000051 modifying Effects 0.000 claims description 17
- 239000000969 carrier Substances 0.000 claims description 10
- 230000001702 transmitter Effects 0.000 claims description 8
- 230000000295 complement Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 241000283220 Odobenus rosmarus Species 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052904 quartz Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Selective Calling Equipment (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE431148A true BE431148A (de) |
Family
ID=90992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE431148D BE431148A (de) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE431148A (de) |
-
0
- BE BE431148D patent/BE431148A/fr unknown
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