JPS57144476A - Signal detecting circuit - Google Patents

Signal detecting circuit

Info

Publication number
JPS57144476A
JPS57144476A JP2949981A JP2949981A JPS57144476A JP S57144476 A JPS57144476 A JP S57144476A JP 2949981 A JP2949981 A JP 2949981A JP 2949981 A JP2949981 A JP 2949981A JP S57144476 A JPS57144476 A JP S57144476A
Authority
JP
Japan
Prior art keywords
gain
time
receiving
receiving signal
circuit
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
JP2949981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6310793B2 (en, 2012
Inventor
Tsutomu Hondo
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.)
Yokogawa Electric Corp
Original Assignee
Hokushin Electric Works Ltd
Yokogawa Hokushin Electric Corp
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 Hokushin Electric Works Ltd, Yokogawa Hokushin Electric Corp filed Critical Hokushin Electric Works Ltd
Priority to JP2949981A priority Critical patent/JPS57144476A/ja
Publication of JPS57144476A publication Critical patent/JPS57144476A/ja
Publication of JPS6310793B2 publication Critical patent/JPS6310793B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523Details of pulse systems
    • G01S7/526Receivers
    • G01S7/529Gain of receiver varied automatically during pulse-recurrence period

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)
  • Control Of Amplification And Gain Control (AREA)
JP2949981A 1981-03-02 1981-03-02 Signal detecting circuit Granted JPS57144476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2949981A JPS57144476A (en) 1981-03-02 1981-03-02 Signal detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2949981A JPS57144476A (en) 1981-03-02 1981-03-02 Signal detecting circuit

Publications (2)

Publication Number Publication Date
JPS57144476A true JPS57144476A (en) 1982-09-07
JPS6310793B2 JPS6310793B2 (en, 2012) 1988-03-09

Family

ID=12277766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2949981A Granted JPS57144476A (en) 1981-03-02 1981-03-02 Signal detecting circuit

Country Status (1)

Country Link
JP (1) JPS57144476A (en, 2012)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60174972A (ja) * 1983-11-04 1985-09-09 エンドレス・ウント・ハウザ−・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コンパニ− 音波または超音波測距装置
JPS61286777A (ja) * 1985-06-13 1986-12-17 Matsushita Electric Works Ltd 超音波距離計
JPH01295190A (ja) * 1988-05-23 1989-11-28 Furuno Electric Co Ltd 魚群探知機
JPH07193446A (ja) * 1993-12-24 1995-07-28 Nec Corp 予測ゲイン自動切替回路
US9411045B2 (en) 2013-04-02 2016-08-09 Fujitsu Limited Gain control circuit and ultrasonic image device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60174972A (ja) * 1983-11-04 1985-09-09 エンドレス・ウント・ハウザ−・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コンパニ− 音波または超音波測距装置
JPS61286777A (ja) * 1985-06-13 1986-12-17 Matsushita Electric Works Ltd 超音波距離計
JPH01295190A (ja) * 1988-05-23 1989-11-28 Furuno Electric Co Ltd 魚群探知機
JPH07193446A (ja) * 1993-12-24 1995-07-28 Nec Corp 予測ゲイン自動切替回路
US9411045B2 (en) 2013-04-02 2016-08-09 Fujitsu Limited Gain control circuit and ultrasonic image device

Also Published As

Publication number Publication date
JPS6310793B2 (en, 2012) 1988-03-09

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