JPH0159883U - - Google Patents

Info

Publication number
JPH0159883U
JPH0159883U JP15492587U JP15492587U JPH0159883U JP H0159883 U JPH0159883 U JP H0159883U JP 15492587 U JP15492587 U JP 15492587U JP 15492587 U JP15492587 U JP 15492587U JP H0159883 U JPH0159883 U JP H0159883U
Authority
JP
Japan
Prior art keywords
towed
towed body
impulse
key
key impulse
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.)
Granted
Application number
JP15492587U
Other languages
English (en)
Other versions
JPH0648452Y2 (ja
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 JP1987154925U priority Critical patent/JPH0648452Y2/ja
Publication of JPH0159883U publication Critical patent/JPH0159883U/ja
Application granted granted Critical
Publication of JPH0648452Y2 publication Critical patent/JPH0648452Y2/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)

Description

【図面の簡単な説明】
第１図は曳航体の外観の概略および曳航体が接
続される計量魚群探知器の電気的構成を示す説明
図、第２図は本考案の一実施例が魚群を探知する
様子を示す説明図、第３図は飽和検出回路の電気
的構成の一例を示すブロツク線図、第４図は受波
信号のレベルに対する飽和検出信号と、海面検出
信号との関係を示す説明図、第５図は警告信号発
生部内の主要信号のタイミングを示すタイミング
チヤートである。 １１……送受波器、１２……曳航体、２５……
キーインパルス。

Claims (1)

    【実用新案登録請求の範囲】
  1. 船舶によつて水中を曳航される曳航体と、この
    曳航体に設けられ、前記水中から水面に向かつて
    キーインパルスの発射を行うと共に、前記キーイ
    ンパルスの反射波の受波を行う送受波器とを備え
    たことを特徴とする表層魚探知装置。
JP1987154925U 1987-10-08 1987-10-08 表層魚探知装置 Expired - Lifetime JPH0648452Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987154925U JPH0648452Y2 (ja) 1987-10-08 1987-10-08 表層魚探知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987154925U JPH0648452Y2 (ja) 1987-10-08 1987-10-08 表層魚探知装置

Publications (2)

Publication Number Publication Date
JPH0159883U true JPH0159883U (ja) 1989-04-14
JPH0648452Y2 JPH0648452Y2 (ja) 1994-12-12

Family

ID=31432095

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987154925U Expired - Lifetime JPH0648452Y2 (ja) 1987-10-08 1987-10-08 表層魚探知装置

Country Status (1)

Country Link
JP (1) JPH0648452Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521312A (en) * 1978-07-26 1980-02-15 Mitsubishi Heavy Ind Ltd Suspension beam for ladle crane

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5521312A (en) * 1978-07-26 1980-02-15 Mitsubishi Heavy Ind Ltd Suspension beam for ladle crane

Also Published As

Publication number Publication date
JPH0648452Y2 (ja) 1994-12-12

Similar Documents

Publication Publication Date Title
JPS63181882U (ja)
US4924446A (en) Navigation system and method for determining the position of a relatively noisy platform using underwater transponders
JPH0159883U (ja)
JPS61206884U (ja)
JPS63128481U (ja)
JPS596786U (ja) ソノブイ装置
JPS6249722U (ja)
JPH0267497U (ja)
JPS63153180U (ja)
JPH0526545Y2 (ja)
JPS60143374U (ja) 水中航走体位置検出装置
JPH01162632U (ja)
JPS58170575U (ja) トランスポンダ
JPS62155347U (ja)
JPS62108884U (ja)
JPH02709Y2 (ja)
JPS6246383U (ja)
JPS60136674U (ja) 魚信検知装置
JPS626808U (ja)
JPS62114385U (ja)
JPH02113183U (ja)
JPH0166083U (ja)
JPH01135590U (ja)
JPS63167278U (ja)
JPH02109285U (ja)