BE362926A - - Google Patents
Info
- Publication number
- BE362926A BE362926A BE362926DA BE362926A BE 362926 A BE362926 A BE 362926A BE 362926D A BE362926D A BE 362926DA BE 362926 A BE362926 A BE 362926A
- Authority
- BE
- Belgium
- Prior art keywords
- sound
- indicators
- pulse
- rays
- reflectors
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 239000003518 caustics Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000005236 sound signal Effects 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
- G01S1/72—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 ultrasonic, sonic or infrasonic 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)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE362926A true BE362926A (enrdf_load_html_response) |
Family
ID=35747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE362926D BE362926A (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE362926A (enrdf_load_html_response) |
-
0
- BE BE362926D patent/BE362926A/fr unknown
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