DE235339C - - Google Patents
Info
- Publication number
- DE235339C DE235339C DENDAT235339D DE235339DA DE235339C DE 235339 C DE235339 C DE 235339C DE NDAT235339 D DENDAT235339 D DE NDAT235339D DE 235339D A DE235339D A DE 235339DA DE 235339 C DE235339 C DE 235339C
- Authority
- DE
- Germany
- Prior art keywords
- ring
- ship
- sound waves
- attached
- microphone
- 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
- 230000011664 signaling Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 239000012528 membrane Substances 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000189705 Dunedin group Species 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002688 persistence 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)
- Transducers For Ultrasonic Waves (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE235339C true DE235339C (cg-RX-API-DMAC7.html) |
Family
ID=495123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT235339D Active DE235339C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE235339C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT235339D patent/DE235339C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE4330143A1 (de) | Anordnung zur Siganlverarbeitung akustischer Eingangssignale | |
| DE235339C (cg-RX-API-DMAC7.html) | ||
| DE2015294A1 (de) | Leitvorrichtung | |
| DE4010815A1 (de) | Mikrophonanordnung zur aufnahme menschlicher lautaeusserungen | |
| DE262051C (cg-RX-API-DMAC7.html) | ||
| DE975042C (de) | Mechanischer Zerhacker mit eine Torsionsbewegung in wechselnder Richtung beschreibendem System | |
| AT51906B (de) | Unterwasser-Signalvorrichtung. | |
| DE228775C (cg-RX-API-DMAC7.html) | ||
| DE169902C (cg-RX-API-DMAC7.html) | ||
| EP1151595B1 (de) | Telekommunikationsendgerät mit externem vibrationsalarm | |
| DE286781C (cg-RX-API-DMAC7.html) | ||
| DE10021C (de) | Neuerungen an Telephonen | |
| DE235013C (cg-RX-API-DMAC7.html) | ||
| DE265426C (cg-RX-API-DMAC7.html) | ||
| DE45459C (de) | Apparat zur Benutzung vibrirender elektrischer Ströme in der Telegraphie | |
| DE127170C (cg-RX-API-DMAC7.html) | ||
| DE292593C (cg-RX-API-DMAC7.html) | ||
| DE52033C (de) | Apparat zur Erzeugung von Inductionsströmen mittelst schwingender Körper | |
| DE20488C (de) | Herstellung paraboloidischer Hör- und Sprachrohre | |
| DE201873C (cg-RX-API-DMAC7.html) | ||
| DE173863C (cg-RX-API-DMAC7.html) | ||
| DE334603C (de) | Schallempfangsapparat | |
| DE9729C (de) | Optischer Signalapparat für Telephone ohne Batterie. ! | |
| DE17784C (de) | Neuerungen an telephonischen Apparaten | |
| DE264760C (cg-RX-API-DMAC7.html) |