JPS52119891A - Indicator element tester - Google Patents

Indicator element tester

Info

Publication number
JPS52119891A
JPS52119891A JP3595576A JP3595576A JPS52119891A JP S52119891 A JPS52119891 A JP S52119891A JP 3595576 A JP3595576 A JP 3595576A JP 3595576 A JP3595576 A JP 3595576A JP S52119891 A JPS52119891 A JP S52119891A
Authority
JP
Japan
Prior art keywords
indicator element
element tester
tester
soundness
continuity
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
JP3595576A
Other languages
Japanese (ja)
Inventor
Takao Sato
Tetsuo Ito
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 JP3595576A priority Critical patent/JPS52119891A/en
Publication of JPS52119891A publication Critical patent/JPS52119891A/en
Pending legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)
  • Audible And Visible Signals (AREA)

Abstract

PURPOSE: To obtain a device to automatically check on the soundness of an indicator element by running a test electric current after temporarily shutting off the continuity of electricity through an indicator element.
COPYRIGHT: (C)1977,JPO&Japio
JP3595576A 1976-04-02 1976-04-02 Indicator element tester Pending JPS52119891A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3595576A JPS52119891A (en) 1976-04-02 1976-04-02 Indicator element tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3595576A JPS52119891A (en) 1976-04-02 1976-04-02 Indicator element tester

Publications (1)

Publication Number Publication Date
JPS52119891A true JPS52119891A (en) 1977-10-07

Family

ID=12456388

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3595576A Pending JPS52119891A (en) 1976-04-02 1976-04-02 Indicator element tester

Country Status (1)

Country Link
JP (1) JPS52119891A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62202298A (en) * 1986-02-28 1987-09-05 株式会社荏原製作所 Display controller for inspection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62202298A (en) * 1986-02-28 1987-09-05 株式会社荏原製作所 Display controller for inspection
JPH0543158B2 (en) * 1986-02-28 1993-06-30 Ebara Mfg

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