GB1234437A - - Google Patents
Info
- Publication number
- GB1234437A GB1234437A GB1234437DA GB1234437A GB 1234437 A GB1234437 A GB 1234437A GB 1234437D A GB1234437D A GB 1234437DA GB 1234437 A GB1234437 A GB 1234437A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shell
- hand assembly
- cemented
- spring
- receives
- 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)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67423867A | 1967-10-10 | 1967-10-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1234437A true GB1234437A (fr) | 1971-06-03 |
Family
ID=24705867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1234437D Expired GB1234437A (fr) | 1967-10-10 | 1968-10-09 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3464057A (fr) |
GB (1) | GB1234437A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106683822A (zh) * | 2016-11-02 | 2017-05-17 | 中国电力科学研究院 | 一种大容量环形储能磁体的真空壳体 |
CN111521254A (zh) * | 2020-04-14 | 2020-08-11 | 哈尔滨工程大学 | 适用于波浪滑翔器的低噪声水听器基元 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4602245A (en) * | 1983-04-29 | 1986-07-22 | Ensco, Inc. | General purpose modular acoustic signal generator |
US5206839A (en) * | 1990-08-30 | 1993-04-27 | Bolt Beranek And Newman Inc. | Underwater sound source |
US5266854A (en) * | 1990-08-30 | 1993-11-30 | Bolt Beranek And Newman Inc. | Electromagnetic transducer |
GB2494829B (en) | 2010-07-16 | 2014-05-07 | Subsea Asset Location Tech Ltd | Acoustic reflectors |
US20140302741A1 (en) * | 2013-01-03 | 2014-10-09 | Jeffrey Blane Whittaker | Magnetic Panel System |
WO2015030709A1 (fr) | 2013-08-26 | 2015-03-05 | Halliburton Energy Services, Inc. | Transducteurs à réluctance variable |
WO2016209119A1 (fr) * | 2015-06-26 | 2016-12-29 | Общество С Ограниченной Ответственностью "Лаборатория Подводной Связи И Навигации" (Ru) | Dispositif hydro-acoustique |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2424549A (en) * | 1943-07-14 | 1947-07-29 | Bell Telephone Labor Inc | Submarine signal detector or receiver |
US2565158A (en) * | 1947-08-11 | 1951-08-21 | Brush Dev Co | Hydraulic electromechanical transducer |
US2939970A (en) * | 1954-12-03 | 1960-06-07 | Gulton Ind Inc | Spherical transducer |
US2966656A (en) * | 1956-08-02 | 1960-12-27 | Claude R Bigbie | Spherical electro-acoustic transducer with internal heater |
US3221296A (en) * | 1960-01-21 | 1965-11-30 | Allen R Milne | Spherical hydrophone |
US3100291A (en) * | 1960-10-25 | 1963-08-06 | Frank R Abbott | Underwater loudspeaker |
US3308423A (en) * | 1963-12-30 | 1967-03-07 | Dynamics Corp America | Electroacoustic transducer |
-
1967
- 1967-10-10 US US674238A patent/US3464057A/en not_active Expired - Lifetime
-
1968
- 1968-10-09 GB GB1234437D patent/GB1234437A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106683822A (zh) * | 2016-11-02 | 2017-05-17 | 中国电力科学研究院 | 一种大容量环形储能磁体的真空壳体 |
CN106683822B (zh) * | 2016-11-02 | 2021-10-29 | 中国电力科学研究院 | 一种大容量环形储能磁体的真空壳体 |
CN111521254A (zh) * | 2020-04-14 | 2020-08-11 | 哈尔滨工程大学 | 适用于波浪滑翔器的低噪声水听器基元 |
CN111521254B (zh) * | 2020-04-14 | 2022-03-18 | 哈尔滨工程大学 | 适用于波浪滑翔器的低噪声水听器基元 |
Also Published As
Publication number | Publication date |
---|---|
US3464057A (en) | 1969-08-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |