JPS5394110A - Detection system for direct current piling - Google Patents

Detection system for direct current piling

Info

Publication number
JPS5394110A
JPS5394110A JP775677A JP775677A JPS5394110A JP S5394110 A JPS5394110 A JP S5394110A JP 775677 A JP775677 A JP 775677A JP 775677 A JP775677 A JP 775677A JP S5394110 A JPS5394110 A JP S5394110A
Authority
JP
Japan
Prior art keywords
direct current
detection system
current piling
piling
signal
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.)
Pending
Application number
JP775677A
Other languages
English (en)
Inventor
Toshiaki Toyama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP775677A priority Critical patent/JPS5394110A/ja
Publication of JPS5394110A publication Critical patent/JPS5394110A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Devices For Supply Of Signal Current (AREA)
JP775677A 1977-01-28 1977-01-28 Detection system for direct current piling Pending JPS5394110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP775677A JPS5394110A (en) 1977-01-28 1977-01-28 Detection system for direct current piling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP775677A JPS5394110A (en) 1977-01-28 1977-01-28 Detection system for direct current piling

Publications (1)

Publication Number Publication Date
JPS5394110A true JPS5394110A (en) 1978-08-17

Family

ID=11674530

Family Applications (1)

Application Number Title Priority Date Filing Date
JP775677A Pending JPS5394110A (en) 1977-01-28 1977-01-28 Detection system for direct current piling

Country Status (1)

Country Link
JP (1) JPS5394110A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897950A (ja) * 1981-12-08 1983-06-10 Fujitsu Ltd リングトリツプ方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897950A (ja) * 1981-12-08 1983-06-10 Fujitsu Ltd リングトリツプ方式
JPH0241942B2 (ja) * 1981-12-08 1990-09-20

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