JPS53101299A - Alarm device - Google Patents

Alarm device

Info

Publication number
JPS53101299A
JPS53101299A JP1498877A JP1498877A JPS53101299A JP S53101299 A JPS53101299 A JP S53101299A JP 1498877 A JP1498877 A JP 1498877A JP 1498877 A JP1498877 A JP 1498877A JP S53101299 A JPS53101299 A JP S53101299A
Authority
JP
Japan
Prior art keywords
alarm device
abnormality
degree
signal
jobs
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
JP1498877A
Other languages
Japanese (ja)
Inventor
Makoto Nakazawa
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 JP1498877A priority Critical patent/JPS53101299A/en
Publication of JPS53101299A publication Critical patent/JPS53101299A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)

Abstract

PURPOSE: To ensure an alarm information to the operators who are carrying out other jobs at a power plant or a chemical plant, etc., by processing the analog data into the signal which indicates the degree of abnormality and converting this signal into the sound intermittence to inform the degree of the abnormality.
COPYRIGHT: (C)1978,JPO&Japio
JP1498877A 1977-02-16 1977-02-16 Alarm device Pending JPS53101299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1498877A JPS53101299A (en) 1977-02-16 1977-02-16 Alarm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1498877A JPS53101299A (en) 1977-02-16 1977-02-16 Alarm device

Publications (1)

Publication Number Publication Date
JPS53101299A true JPS53101299A (en) 1978-09-04

Family

ID=11876318

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1498877A Pending JPS53101299A (en) 1977-02-16 1977-02-16 Alarm device

Country Status (1)

Country Link
JP (1) JPS53101299A (en)

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