JPH0374956B2 - - Google Patents

Info

Publication number
JPH0374956B2
JPH0374956B2 JP59267027A JP26702784A JPH0374956B2 JP H0374956 B2 JPH0374956 B2 JP H0374956B2 JP 59267027 A JP59267027 A JP 59267027A JP 26702784 A JP26702784 A JP 26702784A JP H0374956 B2 JPH0374956 B2 JP H0374956B2
Authority
JP
Japan
Prior art keywords
received
directional
received signal
ultrasonic
seabed
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
JP59267027A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61144583A (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 JP26702784A priority Critical patent/JPS61144583A/ja
Publication of JPS61144583A publication Critical patent/JPS61144583A/ja
Publication of JPH0374956B2 publication Critical patent/JPH0374956B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP26702784A 1984-12-18 1984-12-18 広範囲水中探知装置における不要反射波抑圧装置 Granted JPS61144583A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26702784A JPS61144583A (ja) 1984-12-18 1984-12-18 広範囲水中探知装置における不要反射波抑圧装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26702784A JPS61144583A (ja) 1984-12-18 1984-12-18 広範囲水中探知装置における不要反射波抑圧装置

Publications (2)

Publication Number Publication Date
JPS61144583A JPS61144583A (ja) 1986-07-02
JPH0374956B2 true JPH0374956B2 (en]) 1991-11-28

Family

ID=17439034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26702784A Granted JPS61144583A (ja) 1984-12-18 1984-12-18 広範囲水中探知装置における不要反射波抑圧装置

Country Status (1)

Country Link
JP (1) JPS61144583A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5234611B2 (ja) * 2008-09-19 2013-07-10 古野電気株式会社 超音波探知装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58177883U (ja) * 1982-05-20 1983-11-28 海上電機株式会社 水中信号の受信装置
JPS5928681A (ja) * 1982-08-09 1984-02-15 Furuno Electric Co Ltd 超音波受波方位の高精度測定装置

Also Published As

Publication number Publication date
JPS61144583A (ja) 1986-07-02

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees