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
Application number
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1234437A publication Critical patent/GB1234437A/en
Expired legal-status Critical Current

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)
GB1234437D 1967-10-10 1968-10-09 Expired GB1234437A (de)

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 (de) 1971-06-03

Family

ID=24705867

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1234437D Expired GB1234437A (de) 1967-10-10 1968-10-09

Country Status (2)

Country Link
US (1) US3464057A (de)
GB (1) GB1234437A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4602245A (en) * 1983-04-29 1986-07-22 Ensco, Inc. General purpose modular acoustic signal generator
US5266854A (en) * 1990-08-30 1993-11-30 Bolt Beranek And Newman Inc. Electromagnetic transducer
US5206839A (en) * 1990-08-30 1993-04-27 Bolt Beranek And Newman Inc. Underwater sound source
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
AU2013399148B2 (en) 2013-08-26 2017-03-23 Halliburton Energy Services, Inc. Variable reluctance transducers
US11257472B2 (en) * 2015-06-26 2022-02-22 Underwater Communications & Navigation Laboratory (Limited Liability Company) Hydroacoustic device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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