JPS525599A - Gas detection alarm system - Google Patents

Gas detection alarm system

Info

Publication number
JPS525599A
JPS525599A JP8146175A JP8146175A JPS525599A JP S525599 A JPS525599 A JP S525599A JP 8146175 A JP8146175 A JP 8146175A JP 8146175 A JP8146175 A JP 8146175A JP S525599 A JPS525599 A JP S525599A
Authority
JP
Japan
Prior art keywords
alarm system
gas detection
detection alarm
alarm
caution
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
JP8146175A
Other languages
Japanese (ja)
Inventor
Tadayoshi Kamaike
Hideo Ooshima
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.)
Riken Keiki KK
NTT Inc
Original Assignee
Riken Keiki KK
Nippon Telegraph and Telephone Corp
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 Riken Keiki KK, Nippon Telegraph and Telephone Corp filed Critical Riken Keiki KK
Priority to JP8146175A priority Critical patent/JPS525599A/en
Publication of JPS525599A publication Critical patent/JPS525599A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

PURPOSE: To sound an alarm through a 3-position and 2-position system, setting the alarm at the mid-point of a caution domain.
COPYRIGHT: (C)1977,JPO&Japio
JP8146175A 1975-07-03 1975-07-03 Gas detection alarm system Pending JPS525599A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8146175A JPS525599A (en) 1975-07-03 1975-07-03 Gas detection alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8146175A JPS525599A (en) 1975-07-03 1975-07-03 Gas detection alarm system

Publications (1)

Publication Number Publication Date
JPS525599A true JPS525599A (en) 1977-01-17

Family

ID=13747025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8146175A Pending JPS525599A (en) 1975-07-03 1975-07-03 Gas detection alarm system

Country Status (1)

Country Link
JP (1) JPS525599A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382394U (en) * 1976-12-09 1978-07-07
JPS575793U (en) * 1980-06-04 1982-01-12
JPS575794U (en) * 1980-06-02 1982-01-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382394U (en) * 1976-12-09 1978-07-07
JPS575794U (en) * 1980-06-02 1982-01-12
JPS575793U (en) * 1980-06-04 1982-01-12

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