CA966928A - High-power underwater electro-acoustic transducer for the infrasonic and low audio-frequency range - Google Patents
High-power underwater electro-acoustic transducer for the infrasonic and low audio-frequency rangeInfo
- Publication number
- CA966928A CA966928A CA166,647A CA166647A CA966928A CA 966928 A CA966928 A CA 966928A CA 166647 A CA166647 A CA 166647A CA 966928 A CA966928 A CA 966928A
- Authority
- CA
- Canada
- Prior art keywords
- infrasonic
- frequency range
- acoustic transducer
- low audio
- power underwater
- 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.)
- Expired
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
- 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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25141072A | 1972-05-08 | 1972-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA966928A true CA966928A (en) | 1975-04-29 |
Family
ID=22951854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA166,647A Expired CA966928A (en) | 1972-05-08 | 1973-03-21 | High-power underwater electro-acoustic transducer for the infrasonic and low audio-frequency range |
Country Status (2)
Country | Link |
---|---|
US (1) | US3760346A (en) |
CA (1) | CA966928A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4001765A (en) * | 1975-03-31 | 1977-01-04 | Marine Resources, Inc. | Pressure compensating sound transducer apparatus |
US4142171A (en) * | 1977-01-10 | 1979-02-27 | The United States Of America As Represented By The Secretary Of The Navy | Efficient apparatus for projecting acoustic waves |
US4763307A (en) * | 1987-01-20 | 1988-08-09 | Frank Massa | Wide-range audio frequency underwater transducer |
US6483778B1 (en) * | 1999-04-02 | 2002-11-19 | Raytheon Company | Systems and methods for passively compensating transducers |
DK200300882A (en) * | 2003-06-12 | 2004-12-13 | Lm Glasfiber As | Lightning detection, including in wind power plants |
US8488415B2 (en) | 2010-08-26 | 2013-07-16 | Curtis E. Graber | Submersible electro-dynamic acoustic projector |
US9612347B2 (en) * | 2014-08-14 | 2017-04-04 | Pgs Geophysical As | Compliance chambers for marine vibrators |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1808149A (en) * | 1929-04-03 | 1931-06-02 | Smith Morris | Electrodynamic speaker |
US2019495A (en) * | 1932-03-19 | 1935-11-05 | Submarine Signal Co | Sound receiving apparatus |
US2404360A (en) * | 1942-06-05 | 1946-07-23 | Bell Telephone Labor Inc | Tunable underwater signal source |
US2429104A (en) * | 1943-03-27 | 1947-10-14 | Rca Corp | Signal translating apparatus |
US2490595A (en) * | 1947-06-16 | 1949-12-06 | Shell Dev | Hydrophone |
US3078408A (en) * | 1959-02-05 | 1963-02-19 | Jr Walter L Colterjohn | Capacitor charging magnetic amplifier |
US3118125A (en) * | 1959-06-18 | 1964-01-14 | Claude C Sims | Underwater sound transducer with sealed liquid coupling chamber |
US3345607A (en) * | 1965-09-24 | 1967-10-03 | Westinghouse Electric Corp | Underwater transducer |
US3394775A (en) * | 1966-11-04 | 1968-07-30 | Continental Oil Co | Marine vibration transducer |
-
1972
- 1972-05-08 US US00251410A patent/US3760346A/en not_active Expired - Lifetime
-
1973
- 1973-03-21 CA CA166,647A patent/CA966928A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3760346A (en) | 1973-09-18 |
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