DE230473C - - Google Patents
Info
- Publication number
- DE230473C DE230473C DENDAT230473D DE230473DA DE230473C DE 230473 C DE230473 C DE 230473C DE NDAT230473 D DENDAT230473 D DE NDAT230473D DE 230473D A DE230473D A DE 230473DA DE 230473 C DE230473 C DE 230473C
- Authority
- DE
- Germany
- Prior art keywords
- megaphone
- receiver
- vibrations
- ship
- megaphones
- Prior art date
- 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.)
- Active
Links
- 239000012528 membrane Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 241000475481 Nebula Species 0.000 claims 1
- 241000220317 Rosa Species 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001902 propagating effect 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)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB190906240T | 1909-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE230473C true DE230473C (enrdf_load_stackoverflow) |
Family
ID=32554038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT230473D Active DE230473C (enrdf_load_stackoverflow) | 1909-03-16 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE230473C (enrdf_load_stackoverflow) |
| FR (1) | FR402090A (enrdf_load_stackoverflow) |
| GB (1) | GB190906240A (enrdf_load_stackoverflow) |
-
0
- DE DENDAT230473D patent/DE230473C/de active Active
-
1909
- 1909-03-16 GB GB190906240D patent/GB190906240A/en not_active Expired
- 1909-04-15 FR FR402090A patent/FR402090A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB190906240A (en) | 1910-03-16 |
| FR402090A (fr) | 1909-09-25 |
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