JPS526549A - Multipoint alarm device - Google Patents

Multipoint alarm device

Info

Publication number
JPS526549A
JPS526549A JP8177175A JP8177175A JPS526549A JP S526549 A JPS526549 A JP S526549A JP 8177175 A JP8177175 A JP 8177175A JP 8177175 A JP8177175 A JP 8177175A JP S526549 A JPS526549 A JP S526549A
Authority
JP
Japan
Prior art keywords
alarm device
multipoint
multipoint alarm
input signals
alarm
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
JP8177175A
Other languages
Japanese (ja)
Inventor
Daizo Matsushima
Takehiro Okumura
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 JP8177175A priority Critical patent/JPS526549A/en
Publication of JPS526549A publication Critical patent/JPS526549A/en
Pending legal-status Critical Current

Links

Landscapes

  • Alarm Systems (AREA)

Abstract

PURPOSE: To obtain an alarm unit which compares plural numbers of input signals and setting values and which outputs a plural number of alarm signals according to the sizes of input signals.
COPYRIGHT: (C)1977,JPO&Japio
JP8177175A 1975-07-04 1975-07-04 Multipoint alarm device Pending JPS526549A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8177175A JPS526549A (en) 1975-07-04 1975-07-04 Multipoint alarm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8177175A JPS526549A (en) 1975-07-04 1975-07-04 Multipoint alarm device

Publications (1)

Publication Number Publication Date
JPS526549A true JPS526549A (en) 1977-01-19

Family

ID=13755720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8177175A Pending JPS526549A (en) 1975-07-04 1975-07-04 Multipoint alarm device

Country Status (1)

Country Link
JP (1) JPS526549A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831309A (en) * 1971-08-27 1973-04-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831309A (en) * 1971-08-27 1973-04-24

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