JPS52454A - Transponder installed in water - Google Patents

Transponder installed in water

Info

Publication number
JPS52454A
JPS52454A JP7721575A JP7721575A JPS52454A JP S52454 A JPS52454 A JP S52454A JP 7721575 A JP7721575 A JP 7721575A JP 7721575 A JP7721575 A JP 7721575A JP S52454 A JPS52454 A JP S52454A
Authority
JP
Japan
Prior art keywords
water
transponder
sea
transponder installed
respond
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
JP7721575A
Other languages
English (en)
Other versions
JPS5846713B2 (ja
Inventor
Tetsuo Nishimura
Masuo Fukuda
Fumio Aoki
Toyonori Kudo
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.)
NEC Corp
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
NEC Corp
Nippon 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 Tokyo Electric Power Co Inc, NEC Corp, Nippon Electric Co Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP7721575A priority Critical patent/JPS5846713B2/ja
Publication of JPS52454A publication Critical patent/JPS52454A/ja
Publication of JPS5846713B2 publication Critical patent/JPS5846713B2/ja
Expired 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/74—Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
JP7721575A 1975-06-23 1975-06-23 スイチユウセツチトランスポンダ Expired JPS5846713B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7721575A JPS5846713B2 (ja) 1975-06-23 1975-06-23 スイチユウセツチトランスポンダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7721575A JPS5846713B2 (ja) 1975-06-23 1975-06-23 スイチユウセツチトランスポンダ

Publications (2)

Publication Number Publication Date
JPS52454A true JPS52454A (en) 1977-01-05
JPS5846713B2 JPS5846713B2 (ja) 1983-10-18

Family

ID=13627601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7721575A Expired JPS5846713B2 (ja) 1975-06-23 1975-06-23 スイチユウセツチトランスポンダ

Country Status (1)

Country Link
JP (1) JPS5846713B2 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51109041A (ja) * 1975-03-20 1976-09-27 Ishikawajima Harima Heavy Ind Hitofutaiotofuryutaidefujosasete tofusurusochi
JPS60500850A (ja) * 1983-02-21 1985-06-06 ボック、エドワ−ド 平滑な面にコ−テイングを施す方法と装置
JPS63227792A (ja) * 1986-10-28 1988-09-22 Kobe Steel Ltd チタンストリップ表面の均一酸洗方法及びその装置
JPH01501009A (ja) * 1986-08-29 1989-04-06 マンネスマン・アクチエンゲゼルシャフト 連続的に走行する帯材を表面処理をする装置
JPH08331065A (ja) * 1995-05-30 1996-12-13 Nec Corp 音響通信装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51109041A (ja) * 1975-03-20 1976-09-27 Ishikawajima Harima Heavy Ind Hitofutaiotofuryutaidefujosasete tofusurusochi
JPS60500850A (ja) * 1983-02-21 1985-06-06 ボック、エドワ−ド 平滑な面にコ−テイングを施す方法と装置
JPH01501009A (ja) * 1986-08-29 1989-04-06 マンネスマン・アクチエンゲゼルシャフト 連続的に走行する帯材を表面処理をする装置
JPS63227792A (ja) * 1986-10-28 1988-09-22 Kobe Steel Ltd チタンストリップ表面の均一酸洗方法及びその装置
JPH08331065A (ja) * 1995-05-30 1996-12-13 Nec Corp 音響通信装置

Also Published As

Publication number Publication date
JPS5846713B2 (ja) 1983-10-18

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