CA989970A - Apparatus for detecting and identifying marine life - Google Patents

Apparatus for detecting and identifying marine life

Info

Publication number
CA989970A
CA989970A CA141,113A CA141113A CA989970A CA 989970 A CA989970 A CA 989970A CA 141113 A CA141113 A CA 141113A CA 989970 A CA989970 A CA 989970A
Authority
CA
Canada
Prior art keywords
detecting
marine life
identifying marine
identifying
life
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
CA141,113A
Other versions
CA141113S (en
Inventor
Darrell J. Lowrance
Carl J. Lowrance
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.)
Navico Inc
Original Assignee
Lowrance Electronics Manufacturing Corp
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 Lowrance Electronics Manufacturing Corp filed Critical Lowrance Electronics Manufacturing Corp
Application granted granted Critical
Publication of CA989970A publication Critical patent/CA989970A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/96Sonar systems specially adapted for specific applications for locating fish
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50Systems of measurement, based on relative movement of the target
    • G01S15/58Velocity or trajectory determination systems; Sense-of-movement determination systems
CA141,113A 1971-11-09 1972-05-02 Apparatus for detecting and identifying marine life Expired CA989970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19710871A 1971-11-09 1971-11-09

Publications (1)

Publication Number Publication Date
CA989970A true CA989970A (en) 1976-05-25

Family

ID=22728084

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,113A Expired CA989970A (en) 1971-11-09 1972-05-02 Apparatus for detecting and identifying marine life

Country Status (5)

Country Link
JP (1) JPS4852575A (en)
CA (1) CA989970A (en)
DE (1) DE2232537A1 (en)
FR (1) FR2159245A1 (en)
IT (1) IT972403B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11517002B1 (en) * 2016-09-30 2022-12-06 Great Salt Lake Brine Shrimp Cooperative, Inc. Artemia harvesting device

Also Published As

Publication number Publication date
FR2159245A1 (en) 1973-06-22
DE2232537A1 (en) 1973-05-10
JPS4852575A (en) 1973-07-24
IT972403B (en) 1974-05-20

Similar Documents

Publication Publication Date Title
CA1002633A (en) Strip detection apparatus
CA994447A (en) Electronic defect detecting apparatus
CA966332A (en) Solubility-dissolution test apparatus
CA958942A (en) Egg marking apparatus
CA972847A (en) Surface inspecting apparatus
CA997452A (en) Method and apparatus for optical detection
CA933283A (en) Information detecting apparatus
CA976428A (en) Leak detection apparatus
CA954543A (en) Document handling apparatus
CA989970A (en) Apparatus for detecting and identifying marine life
CA960207A (en) Method for detecting geopressures
CA952633A (en) Self-adjusting proximity detecting apparatus
CA951398A (en) Device for locating and identifying threadline defects
AU434916B2 (en) Mooring apparatus
CA881150A (en) Detecting apparatus
CA861674A (en) Inspection apparatus
CA861115A (en) Detection apparatus
CA888015A (en) Cradle device for a life raft or like dinghy
CA1014220A (en) Toner concentration monitoring apparatus
AU3555571A (en) Gas quality indicator and method for determining gas quality
CA847522A (en) Condition detecting apparatus
CA883380A (en) Ultrasonic flaw detection apparatus
CA886776A (en) Information handling apparatus
CA861700A (en) Apparatus for echo measuring, recording, and indicating
CA889082A (en) Boat apparatus