JPS5492197A - Anomaly detection alarm unit - Google Patents

Anomaly detection alarm unit

Info

Publication number
JPS5492197A
JPS5492197A JP15946077A JP15946077A JPS5492197A JP S5492197 A JPS5492197 A JP S5492197A JP 15946077 A JP15946077 A JP 15946077A JP 15946077 A JP15946077 A JP 15946077A JP S5492197 A JPS5492197 A JP S5492197A
Authority
JP
Japan
Prior art keywords
gas
output signal
bridge circuit
alarm unit
divided
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
JP15946077A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6118240B2 (enrdf_load_stackoverflow
Inventor
Yoshiyuki Tsuchiya
Ichiro Yoshihara
Kazuhito Saito
Takeshi Abe
Kiyoshi Sone
Kiyoshi Abe
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP15946077A priority Critical patent/JPS5492197A/ja
Priority to US05/968,469 priority patent/US4228429A/en
Priority to DE2856742A priority patent/DE2856742C2/de
Publication of JPS5492197A publication Critical patent/JPS5492197A/ja
Publication of JPS6118240B2 publication Critical patent/JPS6118240B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)
  • Alarm Systems (AREA)
JP15946077A 1977-12-29 1977-12-29 Anomaly detection alarm unit Granted JPS5492197A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP15946077A JPS5492197A (en) 1977-12-29 1977-12-29 Anomaly detection alarm unit
US05/968,469 US4228429A (en) 1977-12-29 1978-12-11 Alarm system having phase-sensitive bridge circuit
DE2856742A DE2856742C2 (de) 1977-12-29 1978-12-29 Alarmsystem mit einer Wechselstrom-Versorgungsschaltung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15946077A JPS5492197A (en) 1977-12-29 1977-12-29 Anomaly detection alarm unit

Publications (2)

Publication Number Publication Date
JPS5492197A true JPS5492197A (en) 1979-07-21
JPS6118240B2 JPS6118240B2 (enrdf_load_stackoverflow) 1986-05-12

Family

ID=15694238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15946077A Granted JPS5492197A (en) 1977-12-29 1977-12-29 Anomaly detection alarm unit

Country Status (1)

Country Link
JP (1) JPS5492197A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58113192U (ja) * 1982-01-27 1983-08-02 リコーエレメックス株式会社 ガス漏れ警報器用検出出力回路
JPS59138995U (ja) * 1983-03-07 1984-09-17 松下電器産業株式会社 ガス漏れ警報器の制御装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223560A (en) * 1975-08-14 1977-02-22 Shiyuraubenkonbinaato Veb Method of manufacturing high strencth cold formed parts

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223560A (en) * 1975-08-14 1977-02-22 Shiyuraubenkonbinaato Veb Method of manufacturing high strencth cold formed parts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58113192U (ja) * 1982-01-27 1983-08-02 リコーエレメックス株式会社 ガス漏れ警報器用検出出力回路
JPS59138995U (ja) * 1983-03-07 1984-09-17 松下電器産業株式会社 ガス漏れ警報器の制御装置

Also Published As

Publication number Publication date
JPS6118240B2 (enrdf_load_stackoverflow) 1986-05-12

Similar Documents

Publication Publication Date Title
GB900891A (en) Flame ionization detector
JPS5492197A (en) Anomaly detection alarm unit
JPS5492198A (en) Anomaly detection alarm unit
JPS552932A (en) Air-fuel ratio detector
JPS5492199A (en) Anomaly detection alarm unit
US3943766A (en) Flame ionization detector status indicator
JPS5679229A (en) Leakage detector for conduit
JPS5693038A (en) Semiconductor gas sensor
JPS57127839A (en) Gas detecting element
GB1474080A (en) Gas detector
JPS5237494A (en) Gas, smoke detection device
JPS62119338A (ja) 自動換気扇の制御装置
SU890211A1 (ru) Термохимический сигнализатор
JPS54125537A (en) Lighting-fire detection device
JPS62142922A (ja) 燃焼検出回路
KR890700058A (ko) 방전 가공장치
JPS55122248A (en) Condensation detection unit
JPH07301612A (ja) 接触燃焼式ガスセンサを用いたガス検知回路
JPS62202933A (ja) 燃焼検出回路
JPS54161369A (en) Method of discovering insufficiently insulated portion of circuit
JPH0727630A (ja) サーミスタ温度検出回路
SU1053010A1 (ru) Устройство питани первичного преобразовател
JPS5827250Y2 (ja) 炎検出装置
JPS5596443A (en) Gas detector
JPS5752850A (en) Gas leakage warning device