GB8727362D0 - Counting fish immersed in water - Google Patents

Counting fish immersed in water

Info

Publication number
GB8727362D0
GB8727362D0 GB878727362A GB8727362A GB8727362D0 GB 8727362 D0 GB8727362 D0 GB 8727362D0 GB 878727362 A GB878727362 A GB 878727362A GB 8727362 A GB8727362 A GB 8727362A GB 8727362 D0 GB8727362 D0 GB 8727362D0
Authority
GB
United Kingdom
Prior art keywords
water
counting fish
fish immersed
immersed
counting
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.)
Withdrawn
Application number
GB878727362A
Other versions
GB2212614A (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.)
Maclennan R F
Miles E A
Original Assignee
Maclennan R F
Miles E A
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 Maclennan R F, Miles E A filed Critical Maclennan R F
Priority to GB8727362A priority Critical patent/GB2212614A/en
Publication of GB8727362D0 publication Critical patent/GB8727362D0/en
Publication of GB2212614A publication Critical patent/GB2212614A/en
Withdrawn legal-status Critical Current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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M7/00—Counting of objects carried by a conveyor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB8727362A 1987-11-23 1987-11-23 Counting fish immersed in water using reflected ultrasonic waves Withdrawn GB2212614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8727362A GB2212614A (en) 1987-11-23 1987-11-23 Counting fish immersed in water using reflected ultrasonic waves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8727362A GB2212614A (en) 1987-11-23 1987-11-23 Counting fish immersed in water using reflected ultrasonic waves

Publications (2)

Publication Number Publication Date
GB8727362D0 true GB8727362D0 (en) 1987-12-23
GB2212614A GB2212614A (en) 1989-07-26

Family

ID=10627393

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8727362A Withdrawn GB2212614A (en) 1987-11-23 1987-11-23 Counting fish immersed in water using reflected ultrasonic waves

Country Status (1)

Country Link
GB (1) GB2212614A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2589046B2 (en) * 1993-11-01 1997-03-12 財団法人ダム水源地環境整備センター Method and apparatus for counting fish count and counting method for moving object
GB2365752B (en) 2000-08-14 2003-11-19 Otter Controls Ltd Improvements relating to water boiling vessels

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1270245A (en) * 1968-06-11 1972-04-12 Nat Res Dev Fish counting apparatus
US4439844A (en) * 1981-10-05 1984-03-27 The Bendix Corporation Salmon counter with separate king salmon tabulator

Also Published As

Publication number Publication date
GB2212614A (en) 1989-07-26

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)