JPH089838Y2 - 海洋観測装置 - Google Patents

海洋観測装置

Info

Publication number
JPH089838Y2
JPH089838Y2 JP526490U JP526490U JPH089838Y2 JP H089838 Y2 JPH089838 Y2 JP H089838Y2 JP 526490 U JP526490 U JP 526490U JP 526490 U JP526490 U JP 526490U JP H089838 Y2 JPH089838 Y2 JP H089838Y2
Authority
JP
Japan
Prior art keywords
ocean
circuit
constant voltage
ocean observation
voltage diode
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
JP526490U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0397796U (en]
Inventor
修 神田
清志 佐々木
明子 舛岡
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
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP526490U priority Critical patent/JPH089838Y2/ja
Publication of JPH0397796U publication Critical patent/JPH0397796U/ja
Application granted granted Critical
Publication of JPH089838Y2 publication Critical patent/JPH089838Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
JP526490U 1990-01-24 1990-01-24 海洋観測装置 Expired - Lifetime JPH089838Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP526490U JPH089838Y2 (ja) 1990-01-24 1990-01-24 海洋観測装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP526490U JPH089838Y2 (ja) 1990-01-24 1990-01-24 海洋観測装置

Publications (2)

Publication Number Publication Date
JPH0397796U JPH0397796U (en]) 1991-10-08
JPH089838Y2 true JPH089838Y2 (ja) 1996-03-21

Family

ID=31508981

Family Applications (1)

Application Number Title Priority Date Filing Date
JP526490U Expired - Lifetime JPH089838Y2 (ja) 1990-01-24 1990-01-24 海洋観測装置

Country Status (1)

Country Link
JP (1) JPH089838Y2 (en])

Also Published As

Publication number Publication date
JPH0397796U (en]) 1991-10-08

Similar Documents

Publication Publication Date Title
GB9801010D0 (en) Data transmission systems
CA2116113A1 (en) Apparatus for transmitting instrumentation signals over power conductors
Petitt et al. The hawaii-2 observatory
EP2393220A1 (en) Undersea optical and electrical distribution apparatus
US4503526A (en) Device for water inflow detection inside a seismic streamer
EP2393221B1 (en) Undersea power distribution system
US4782393A (en) Television camera system with a protection function for a misconnection
JPH089838Y2 (ja) 海洋観測装置
CN216526128U (zh) 一种便携式可视化声学成像仪
US12392812B2 (en) Fault predictive monitoring system on a medium and/or high voltage line
US6937778B2 (en) Sensor arrays having light-powered transducers
WO2005043199A3 (en) Cable station for an undersea optical transmission system
RU2087706C1 (ru) Система передачи и приема геофизической информации
US4119941A (en) Acoustic coupler
JP2878665B2 (ja) 船舶用漏電警報装置
RU2565364C1 (ru) Сейсмическая система обнаружения
JPH0662408A (ja) 監視カメラ装置
JP2758820B2 (ja) 光海底ケーブルによる海底観測システム
US20190095378A1 (en) Select communications and data aspects of pool and spa equipment such as salt-water chlorinators
JP3063878B2 (ja) 埋設管の損傷監視装置
RU2204168C2 (ru) Устройство дистанционного контроля работоспособности установок катодной защиты магистральных трубопроводов
JPH03289586A (ja) 海底観測装置
JPS62274831A (ja) 信号伝送方式
Barnes Development of a sound reflection system for profiling sediments in shelf and slope depths
JPS6260433A (ja) 接地線路接続装置