JPS57191570A - Display device for passing of overcurrent - Google Patents

Display device for passing of overcurrent

Info

Publication number
JPS57191570A
JPS57191570A JP56119504A JP11950481A JPS57191570A JP S57191570 A JPS57191570 A JP S57191570A JP 56119504 A JP56119504 A JP 56119504A JP 11950481 A JP11950481 A JP 11950481A JP S57191570 A JPS57191570 A JP S57191570A
Authority
JP
Japan
Prior art keywords
valve body
display
overcurrent
fluid
transformer
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
JP56119504A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0239750B2 (enExample
Inventor
Tadashi Takamatsu
Yoshihiro Funakoshi
Mitsuharu Hisatomi
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.)
Takamatsu Electric Works Ltd
Original Assignee
Takamatsu Electric Works 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 Takamatsu Electric Works Ltd filed Critical Takamatsu Electric Works Ltd
Priority to JP56119504A priority Critical patent/JPS57191570A/ja
Publication of JPS57191570A publication Critical patent/JPS57191570A/ja
Publication of JPH0239750B2 publication Critical patent/JPH0239750B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Locating Faults (AREA)
  • Audible And Visible Signals (AREA)
  • Emergency Protection Circuit Devices (AREA)
JP56119504A 1981-07-29 1981-07-29 Display device for passing of overcurrent Granted JPS57191570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56119504A JPS57191570A (en) 1981-07-29 1981-07-29 Display device for passing of overcurrent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56119504A JPS57191570A (en) 1981-07-29 1981-07-29 Display device for passing of overcurrent

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP56077105A Division JPS57191569A (en) 1981-05-21 1981-05-21 Display device for passing of overcurrent

Publications (2)

Publication Number Publication Date
JPS57191570A true JPS57191570A (en) 1982-11-25
JPH0239750B2 JPH0239750B2 (enExample) 1990-09-06

Family

ID=14762892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56119504A Granted JPS57191570A (en) 1981-07-29 1981-07-29 Display device for passing of overcurrent

Country Status (1)

Country Link
JP (1) JPS57191570A (enExample)

Also Published As

Publication number Publication date
JPH0239750B2 (enExample) 1990-09-06

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