JPH0526545Y2 - - Google Patents

Info

Publication number
JPH0526545Y2
JPH0526545Y2 JP13072688U JP13072688U JPH0526545Y2 JP H0526545 Y2 JPH0526545 Y2 JP H0526545Y2 JP 13072688 U JP13072688 U JP 13072688U JP 13072688 U JP13072688 U JP 13072688U JP H0526545 Y2 JPH0526545 Y2 JP H0526545Y2
Authority
JP
Japan
Prior art keywords
transducer
ship
fish finder
oil
fish
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 - Lifetime
Application number
JP13072688U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0252177U (OSRAM
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
Priority to JP13072688U priority Critical patent/JPH0526545Y2/ja
Publication of JPH0252177U publication Critical patent/JPH0252177U/ja
Application granted granted Critical
Publication of JPH0526545Y2 publication Critical patent/JPH0526545Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP13072688U 1988-10-05 1988-10-05 Expired - Lifetime JPH0526545Y2 (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13072688U JPH0526545Y2 (OSRAM) 1988-10-05 1988-10-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13072688U JPH0526545Y2 (OSRAM) 1988-10-05 1988-10-05

Publications (2)

Publication Number Publication Date
JPH0252177U JPH0252177U (OSRAM) 1990-04-13
JPH0526545Y2 true JPH0526545Y2 (OSRAM) 1993-07-05

Family

ID=31386156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13072688U Expired - Lifetime JPH0526545Y2 (OSRAM) 1988-10-05 1988-10-05

Country Status (1)

Country Link
JP (1) JPH0526545Y2 (OSRAM)

Also Published As

Publication number Publication date
JPH0252177U (OSRAM) 1990-04-13

Similar Documents

Publication Publication Date Title
US4538249A (en) Ultrasonic doppler fish detector
US4991149A (en) Underwater object detection system
US4951410A (en) Electronic fish attractor with acoustic sounder
CA2234627A1 (en) Method and assembly for overfill detection in liquid level sensing in a vessel by the pulse transit time technique
CN108919274A (zh) 一种基于单波束的浅水随波扫描探测系统及其工作方法
US3879697A (en) Wide angle fish detector
EP0555871B1 (en) Combined speed and depth sensor transducer
JPH0526545Y2 (OSRAM)
SE7614044L (sv) Omvandlare for marint sonar-dopplersystem
RU2168742C1 (ru) Параметрический эхолокатор с буксируемым преобразователем накачки
US4916674A (en) Method and apparatus for improving the shallow water performance of a depth sounder
RU2137663C1 (ru) Способ разрушения ледяного покрова
Mitson Review of high-speed sector-scanning sonar and its application to fisheries research
JP2004233064A (ja) 超音波送受波器
JPS5780582A (en) Measurement of distance to sea bottom from transponder
JPH02113839A (ja) 釣用うき
WO1991002264A1 (en) Apparatus for sensing underwater objects
JPS636704Y2 (OSRAM)
JPH0714938Y2 (ja) 船舶接岸速度計
JPS52116264A (en) Thickness detecting method for heterogeneous liquid layers
JPH0413676Y2 (OSRAM)
SU35929A1 (ru) Устройство дл разведки хода рыбы
JPH02109795U (OSRAM)
RU2150406C1 (ru) Способ разрушения ледяного покрова
IT1175481B (it) Procedimento passivo per stimare grandezze di stato di un bersaglio mobile irradiante impulsi acustici nell'acqua