JPS61292581A - 水中探知装置におけるａｇｃ装置 - Google Patents

水中探知装置におけるａｇｃ装置

Info

Publication number
JPS61292581A
JPS61292581A JP13541385A JP13541385A JPS61292581A JP S61292581 A JPS61292581 A JP S61292581A JP 13541385 A JP13541385 A JP 13541385A JP 13541385 A JP13541385 A JP 13541385A JP S61292581 A JPS61292581 A JP S61292581A
Authority
JP
Japan
Prior art keywords
attenuator
amplifier
signal
attenuation
output
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
JP13541385A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0327869B2 (OSRAM
Inventor
Tatsuo Hayashi
林　辰男
Hiroshi Iino
飯野　博司
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 JP13541385A priority Critical patent/JPS61292581A/ja
Publication of JPS61292581A publication Critical patent/JPS61292581A/ja
Publication of JPH0327869B2 publication Critical patent/JPH0327869B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP13541385A 1985-06-20 1985-06-20 水中探知装置におけるａｇｃ装置 Granted JPS61292581A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13541385A JPS61292581A (ja) 1985-06-20 1985-06-20 水中探知装置におけるａｇｃ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13541385A JPS61292581A (ja) 1985-06-20 1985-06-20 水中探知装置におけるａｇｃ装置

Publications (2)

Publication Number Publication Date
JPS61292581A true JPS61292581A (ja) 1986-12-23
JPH0327869B2 JPH0327869B2 (OSRAM) 1991-04-17

Family

ID=15151145

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13541385A Granted JPS61292581A (ja) 1985-06-20 1985-06-20 水中探知装置におけるａｇｃ装置

Country Status (1)

Country Link
JP (1) JPS61292581A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06310960A (ja) * 1993-04-21 1994-11-04 Nec Corp 広帯域増幅器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822979A (ja) * 1981-08-05 1983-02-10 Marine Instr Co Ltd スキヤンニングソ−ナ−における受信方法
JPS60382A (ja) * 1983-06-10 1985-01-05 Yokogawa Medical Syst Ltd 方位角適応型フエ−ズド・アレイ・ソ−ナ−
JPS60107582A (ja) * 1983-11-16 1985-06-13 Nec Corp ダイナミックレンジ圧縮回路

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822979A (ja) * 1981-08-05 1983-02-10 Marine Instr Co Ltd スキヤンニングソ−ナ−における受信方法
JPS60382A (ja) * 1983-06-10 1985-01-05 Yokogawa Medical Syst Ltd 方位角適応型フエ−ズド・アレイ・ソ−ナ−
JPS60107582A (ja) * 1983-11-16 1985-06-13 Nec Corp ダイナミックレンジ圧縮回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06310960A (ja) * 1993-04-21 1994-11-04 Nec Corp 広帯域増幅器

Also Published As

Publication number Publication date
JPH0327869B2 (OSRAM) 1991-04-17

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Legal Events

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