JPS524250A - Wave form recording unit - Google Patents

Wave form recording unit

Info

Publication number
JPS524250A
JPS524250A JP8002675A JP8002675A JPS524250A JP S524250 A JPS524250 A JP S524250A JP 8002675 A JP8002675 A JP 8002675A JP 8002675 A JP8002675 A JP 8002675A JP S524250 A JPS524250 A JP S524250A
Authority
JP
Japan
Prior art keywords
recording unit
wave form
form recording
fault
storing
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
JP8002675A
Other languages
Japanese (ja)
Inventor
Haruo Nohara
Hiroshi Sasaki
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 JP8002675A priority Critical patent/JPS524250A/en
Publication of JPS524250A publication Critical patent/JPS524250A/en
Pending legal-status Critical Current

Links

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

PURPOSE: In the unit, the power system digital data input is stored for a period to detect a fault, if a fault is detected, the data storing in continued for a specified period and the storing is terminated. Then data around the fault are output to the display unit.
COPYRIGHT: (C)1977,JPO&Japio
JP8002675A 1975-06-30 1975-06-30 Wave form recording unit Pending JPS524250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8002675A JPS524250A (en) 1975-06-30 1975-06-30 Wave form recording unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8002675A JPS524250A (en) 1975-06-30 1975-06-30 Wave form recording unit

Publications (1)

Publication Number Publication Date
JPS524250A true JPS524250A (en) 1977-01-13

Family

ID=13706758

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8002675A Pending JPS524250A (en) 1975-06-30 1975-06-30 Wave form recording unit

Country Status (1)

Country Link
JP (1) JPS524250A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0528373A (en) * 1991-09-20 1993-02-05 Nohmi Bosai Ltd Fire sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0528373A (en) * 1991-09-20 1993-02-05 Nohmi Bosai Ltd Fire sensor

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