DK124842B - Anlæg til visning af retningen af indfaldende plane bølger, navnlig lydbølger i vand. - Google Patents
Anlæg til visning af retningen af indfaldende plane bølger, navnlig lydbølger i vand.Info
- Publication number
- DK124842B DK124842B DK665767AA DK665767A DK124842B DK 124842 B DK124842 B DK 124842B DK 665767A A DK665767A A DK 665767AA DK 665767 A DK665767 A DK 665767A DK 124842 B DK124842 B DK 124842B
- Authority
- DK
- Denmark
- Prior art keywords
- waves
- installations
- displaying
- water
- incident plane
- Prior art date
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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/8027—By vectorial composition of signals received by plural, differently-oriented transducers
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1967B0090969 DE1566837C3 (de) | 1967-01-31 | 1967-01-31 | Vorrichtung zur anzeige der richtung einfallender wasser schallwellen |
Publications (1)
Publication Number | Publication Date |
---|---|
DK124842B true DK124842B (da) | 1972-11-27 |
Family
ID=6985578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK665767AA DK124842B (da) | 1967-01-31 | 1967-12-29 | Anlæg til visning af retningen af indfaldende plane bølger, navnlig lydbølger i vand. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3464056A (fr) |
DE (1) | DE1566837C3 (fr) |
DK (1) | DK124842B (fr) |
FR (1) | FR1566311A (fr) |
GB (1) | GB1199122A (fr) |
NL (1) | NL6801277A (fr) |
NO (1) | NO124749B (fr) |
SE (2) | SE370128B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1309079A (en) * | 1969-07-16 | 1973-03-07 | Emi Ltd | Acoustic direction sensing systems |
US4228531A (en) * | 1970-09-17 | 1980-10-14 | The United States Of America As Represented By The Secretary Of The Navy | Automatic underwater null steering |
DE2240041C3 (de) * | 1972-08-16 | 1980-03-06 | Fried. Krupp Gmbh, 4300 Essen | Raumüberwachendes Gradientensystem |
DE2413544C2 (de) * | 1974-03-21 | 1982-04-29 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zum Bilden eines Summensignals und zweier Differenzsignale zum Anzeigen der Richtung einfallender Schallwellen und Vorrichtung zu seiner Ausübung |
DE2653969C2 (de) * | 1976-11-27 | 1984-07-19 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Verfahren und Anordnungen zur automatischen Bestimmung von Peilwinkeln |
FR2611338B1 (fr) * | 1987-02-23 | 1989-04-21 | Dassault Electronique | Dispositif detecteur acoustique a capteur bidirectionnel |
US20070047743A1 (en) * | 2005-08-26 | 2007-03-01 | Step Communications Corporation, A Nevada Corporation | Method and apparatus for improving noise discrimination using enhanced phase difference value |
US7472041B2 (en) * | 2005-08-26 | 2008-12-30 | Step Communications Corporation | Method and apparatus for accommodating device and/or signal mismatch in a sensor array |
US7619563B2 (en) * | 2005-08-26 | 2009-11-17 | Step Communications Corporation | Beam former using phase difference enhancement |
US20070047742A1 (en) * | 2005-08-26 | 2007-03-01 | Step Communications Corporation, A Nevada Corporation | Method and system for enhancing regional sensitivity noise discrimination |
US7415372B2 (en) * | 2005-08-26 | 2008-08-19 | Step Communications Corporation | Method and apparatus for improving noise discrimination in multiple sensor pairs |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2214342A (en) * | 1937-06-12 | 1940-09-10 | Neufeld Jacob | Position finding |
US2867788A (en) * | 1943-02-27 | 1959-01-06 | Bell Telephone Labor Inc | Object locating systems |
US3061831A (en) * | 1958-06-17 | 1962-10-30 | Itt | Radio direction finding system |
US3176262A (en) * | 1960-04-06 | 1965-03-30 | Raytheon Co | Directional sonar systems |
-
1967
- 1967-01-31 DE DE1967B0090969 patent/DE1566837C3/de not_active Expired
- 1967-12-29 DK DK665767AA patent/DK124842B/da unknown
-
1968
- 1968-01-29 NL NL6801277A patent/NL6801277A/xx unknown
- 1968-01-30 FR FR137892A patent/FR1566311A/fr not_active Expired
- 1968-01-30 GB GB4783/68A patent/GB1199122A/en not_active Expired
- 1968-01-30 NO NO0370/68A patent/NO124749B/no unknown
- 1968-01-30 US US701772A patent/US3464056A/en not_active Expired - Lifetime
- 1968-01-31 SE SE01276/68A patent/SE370128B/xx unknown
- 1968-01-31 SE SE7303196*3A patent/SE388052B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1199122A (en) | 1970-07-15 |
US3464056A (en) | 1969-08-26 |
DE1566837B2 (de) | 1971-04-15 |
NL6801277A (nl) | 1968-08-01 |
FR1566311A (fr) | 1969-05-09 |
SE370128B (sv) | 1974-09-30 |
SE388052B (sv) | 1976-09-20 |
DE1566837C3 (de) | 1971-11-25 |
DE1566837A1 (de) | 1970-01-08 |
NO124749B (fr) | 1972-05-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI47337C (fi) | Tyhjennysputki. | |
NL147526B (nl) | Pijpflenskoppelinrichting. | |
SE383033B (sv) | Utloppspip for vattenkran | |
AT264936B (de) | Rohr-bzw. Schalauchverbindung | |
DK124842B (da) | Anlæg til visning af retningen af indfaldende plane bølger, navnlig lydbølger i vand. | |
NL140952B (nl) | Buigzame leiding. | |
DK119957B (da) | Drænledning. | |
CH503542A (de) | Rohranbohrer | |
NL163125C (nl) | Semipermeabel membraansamenstel. | |
NL146269B (nl) | Drijvend leidingsysteem. | |
NL150897B (nl) | Buisverbinding. | |
DK125904B (da) | Beboelseshus. | |
NL143298B (nl) | Golfremmingsconstructie. | |
ES148350Y (es) | Tuberia mejorada. | |
FI44863C (fi) | Vesistön virtausmittari. | |
DK122471B (da) | Nedløbsrørstilslutningsstykke. | |
FI51634C (fi) | Putkikouru. | |
DK131182B (da) | Turbinebelufter til vandrensning. | |
DK124041B (da) | Rørkobling. | |
ES130545Y (es) | Grifo combinado con brazo de ducha. | |
ES129287Y (es) | Patines acuaticos. | |
ES131177Y (es) | Vierteaguas embellecedor. | |
GR32566B (el) | Συνδεσμοι σωληνων δια συσφιγξεως μεσω εκκεντρου. | |
GR31960B (el) | Πλοιον διερχομενον ανωθεν των κυματων στηριζομενον επι πλωτηρων εν ημικαταδυσει η εν καταδυσει. | |
DK109860C (da) | Afløb, især i sanitære installationer. |