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GB1380273A - Sonar apparatus - Google Patents

Sonar apparatus

Info

Publication number
GB1380273A
GB1380273A GB3799774A GB3799774A GB1380273A GB 1380273 A GB1380273 A GB 1380273A GB 3799774 A GB3799774 A GB 3799774A GB 3799774 A GB3799774 A GB 3799774A GB 1380273 A GB1380273 A GB 1380273A
Authority
GB
United Kingdom
Prior art keywords
sonar apparatus
echo
sounders
heading
dec
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
GB3799774A
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.)
Smiths Group PLC
Original Assignee
Smiths Group PLC
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 Smiths Group PLC filed Critical Smiths Group PLC
Priority to GB3799774A priority Critical patent/GB1380273A/en
Priority claimed from GB6130570A external-priority patent/GB1380271A/en
Publication of GB1380273A publication Critical patent/GB1380273A/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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

1380273 Echo-sounders SMITHS INDUSTRIES Ltd 22 Dec 1971 37997/74 Divided out of 1380271 Heading H4D The description is substantially included in Specification 1,380,271, but the claims are directed to a sonar apparatus including a storage device utilizing mark-to-space ratio as a means of representing echo signal amplitude.
GB3799774A 1970-12-24 1970-12-24 Sonar apparatus Expired GB1380273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3799774A GB1380273A (en) 1970-12-24 1970-12-24 Sonar apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB6130570A GB1380271A (en) 1970-12-24 1970-12-24 Sonar apparatus
GB3799774A GB1380273A (en) 1970-12-24 1970-12-24 Sonar apparatus

Publications (1)

Publication Number Publication Date
GB1380273A true GB1380273A (en) 1975-01-08

Family

ID=26263663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3799774A Expired GB1380273A (en) 1970-12-24 1970-12-24 Sonar apparatus

Country Status (1)

Country Link
GB (1) GB1380273A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee