NL7103508A - - Google Patents
Info
- Publication number
- NL7103508A NL7103508A NL7103508A NL7103508A NL7103508A NL 7103508 A NL7103508 A NL 7103508A NL 7103508 A NL7103508 A NL 7103508A NL 7103508 A NL7103508 A NL 7103508A NL 7103508 A NL7103508 A NL 7103508A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing ultrasonic, sonic or infrasonic waves
-
- 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
-
- 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
-
- 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
- G01S3/803—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics
- G01S3/8034—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics wherein the signals are derived simultaneously
- G01S3/8036—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics wherein the signals are derived simultaneously derived directly from separate directional systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US019979A US3870989A (en) | 1970-03-16 | 1970-03-16 | Underwater direction signal processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7103508A true NL7103508A (https=) | 1971-09-20 |
Family
ID=21796107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7103508A NL7103508A (https=) | 1970-03-16 | 1971-03-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3870989A (https=) |
| JP (1) | JPS5015144B1 (https=) |
| DE (1) | DE2059155A1 (https=) |
| FR (1) | FR2083302A1 (https=) |
| GB (1) | GB1349678A (https=) |
| NL (1) | NL7103508A (https=) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5261499U (https=) * | 1975-10-29 | 1977-05-06 | ||
| US4170001A (en) * | 1978-08-03 | 1979-10-02 | Sanders Associates, Inc. | Capacitor goniometer tilt compensation for acoustic transducing system |
| US4179682A (en) * | 1978-08-03 | 1979-12-18 | Sanders Associates, Inc. | Tilt compensation for acoustic transducing system |
| US4173748A (en) * | 1978-08-03 | 1979-11-06 | Sanders Associates, Inc. | Acoustic transducing system |
| JPS5553638A (en) * | 1978-10-14 | 1980-04-19 | Tomohisa Koike | Liquid combustor |
| DE3148734C2 (de) * | 1981-12-09 | 1994-10-20 | Atlas Elektronik Gmbh | Vorrichtung zum Lenken eines Torpedos |
| DE3220175C2 (de) * | 1982-05-28 | 1985-05-02 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Verfahren und Einrichtung zur akustischen Korrelationspeilung |
| US4800541A (en) * | 1987-02-12 | 1989-01-24 | Canadian Patents And Development Limited | Method for underwater acoustic direction sensing |
| US4879694A (en) * | 1988-03-04 | 1989-11-07 | Rockwell International Corporation | Difar demultiplexer circuit |
| US4868792A (en) * | 1988-03-09 | 1989-09-19 | Rockwell International Corporation | Difar demultiplexer test circuit |
| CA1321827C (en) * | 1988-12-19 | 1993-08-31 | Bruce A. Armstrong | Hydrophones and similar devices |
| GB2279456B (en) * | 1989-07-24 | 1995-05-24 | Marconi Gec Ltd | Sonar direction finding |
| US6642796B2 (en) * | 2002-02-15 | 2003-11-04 | Radiodetection Limited | Digital phase-quadrature oscillator |
| DE10337181B8 (de) * | 2003-08-13 | 2005-08-25 | Sennheiser Electronic Gmbh & Co. Kg | Mikrofonanordnung |
| WO2016068821A1 (en) | 2014-10-31 | 2016-05-06 | Koc Bilgi Ve Savunma Teknolojileri A. S. | Smart buoy which can carry out platform determination and recognition and a determination and recognition method using said buoy |
| CN115825868B (zh) * | 2022-11-09 | 2025-11-21 | 中国科学院声学研究所 | 一种差频相干的匹配自积处理声源定位方法及系统 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3054053A (en) * | 1958-02-20 | 1962-09-11 | Reed Res Inc | Passive detection and wave analyzer system |
| US3176262A (en) * | 1960-04-06 | 1965-03-30 | Raytheon Co | Directional sonar systems |
| US3148351A (en) * | 1961-06-12 | 1964-09-08 | Bartlett Lab Inc | Directional hydrophone system |
| US3461421A (en) * | 1967-07-25 | 1969-08-12 | Collins Radio Co | Advanced direction finding sonobuoy system |
-
1970
- 1970-03-16 US US019979A patent/US3870989A/en not_active Expired - Lifetime
- 1970-12-01 JP JP45106655A patent/JPS5015144B1/ja active Pending
- 1970-12-01 DE DE19702059155 patent/DE2059155A1/de active Pending
-
1971
- 1971-03-05 FR FR7107715A patent/FR2083302A1/fr not_active Withdrawn
- 1971-03-16 NL NL7103508A patent/NL7103508A/xx unknown
- 1971-04-19 GB GB2288971A patent/GB1349678A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3870989A (en) | 1975-03-11 |
| JPS5015144B1 (https=) | 1975-06-03 |
| FR2083302A1 (https=) | 1971-12-17 |
| DE2059155A1 (de) | 1971-10-07 |
| GB1349678A (en) | 1974-04-10 |