JPS6165181A - 広範囲水中探知装置における信号検出装置 - Google Patents

広範囲水中探知装置における信号検出装置

Info

Publication number
JPS6165181A
JPS6165181A JP18767484A JP18767484A JPS6165181A JP S6165181 A JPS6165181 A JP S6165181A JP 18767484 A JP18767484 A JP 18767484A JP 18767484 A JP18767484 A JP 18767484A JP S6165181 A JPS6165181 A JP S6165181A
Authority
JP
Japan
Prior art keywords
circuit
attenuator
directional
signal
attenuation
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
JP18767484A
Other languages
English (en)
Japanese (ja)
Other versions
JPH042910B2 (https=
Inventor
Hideji Morimatsu
森松　秀治
Mitsuhiro Inouchi
井内　光博
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric Co Ltd
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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP18767484A priority Critical patent/JPS6165181A/ja
Publication of JPS6165181A publication Critical patent/JPS6165181A/ja
Publication of JPH042910B2 publication Critical patent/JPH042910B2/ja
Granted 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP18767484A 1984-09-06 1984-09-06 広範囲水中探知装置における信号検出装置 Granted JPS6165181A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18767484A JPS6165181A (ja) 1984-09-06 1984-09-06 広範囲水中探知装置における信号検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18767484A JPS6165181A (ja) 1984-09-06 1984-09-06 広範囲水中探知装置における信号検出装置

Publications (2)

Publication Number Publication Date
JPS6165181A true JPS6165181A (ja) 1986-04-03
JPH042910B2 JPH042910B2 (https=) 1992-01-21

Family

ID=16210161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18767484A Granted JPS6165181A (ja) 1984-09-06 1984-09-06 広範囲水中探知装置における信号検出装置

Country Status (1)

Country Link
JP (1) JPS6165181A (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129068A (en) * 1977-04-15 1978-11-10 Furuno Electric Co Detected signal transmission system for sonar
JPS55151280A (en) * 1979-05-15 1980-11-25 Yokogawa Hokushin Electric Corp Phased array sonar

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129068A (en) * 1977-04-15 1978-11-10 Furuno Electric Co Detected signal transmission system for sonar
JPS55151280A (en) * 1979-05-15 1980-11-25 Yokogawa Hokushin Electric Corp Phased array sonar

Also Published As

Publication number Publication date
JPH042910B2 (https=) 1992-01-21

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Legal Events

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