GB2071322B - Sonar apparatus - Google Patents

Sonar apparatus

Info

Publication number
GB2071322B
GB2071322B GB8105276A GB8105276A GB2071322B GB 2071322 B GB2071322 B GB 2071322B GB 8105276 A GB8105276 A GB 8105276A GB 8105276 A GB8105276 A GB 8105276A GB 2071322 B GB2071322 B GB 2071322B
Authority
GB
United Kingdom
Prior art keywords
sonar apparatus
sonar
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
GB8105276A
Other versions
GB2071322A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 by Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8105276A priority Critical patent/GB2071322B/en
Publication of GB2071322A publication Critical patent/GB2071322A/en
Application granted granted Critical
Publication of GB2071322B publication Critical patent/GB2071322B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • G10K11/006—Transducer mounting in underwater equipment, e.g. sonobuoys
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52003—Techniques for enhancing spatial resolution of targets
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB8105276A 1980-02-26 1981-02-19 Sonar apparatus Expired GB2071322B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8105276A GB2071322B (en) 1980-02-26 1981-02-19 Sonar apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8006416 1980-02-26
GB8105276A GB2071322B (en) 1980-02-26 1981-02-19 Sonar apparatus

Publications (2)

Publication Number Publication Date
GB2071322A GB2071322A (en) 1981-09-16
GB2071322B true GB2071322B (en) 1984-05-23

Family

ID=26274612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105276A Expired GB2071322B (en) 1980-02-26 1981-02-19 Sonar apparatus

Country Status (1)

Country Link
GB (1) GB2071322B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136124A (en) * 1983-03-01 1984-09-12 Plessey Co Plc Improvements in or Relating to Sonar Apparatus

Also Published As

Publication number Publication date
GB2071322A (en) 1981-09-16

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930219