JPS53106598A - Circuit continuity testing circuit of fire alarm - Google Patents

Circuit continuity testing circuit of fire alarm

Info

Publication number
JPS53106598A
JPS53106598A JP2192977A JP2192977A JPS53106598A JP S53106598 A JPS53106598 A JP S53106598A JP 2192977 A JP2192977 A JP 2192977A JP 2192977 A JP2192977 A JP 2192977A JP S53106598 A JPS53106598 A JP S53106598A
Authority
JP
Japan
Prior art keywords
circuit
fire alarm
continuity testing
testing circuit
supply voltage
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
JP2192977A
Other languages
English (en)
Other versions
JPS5628318B2 (ja
Inventor
Kazumasa Murakami
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP2192977A priority Critical patent/JPS53106598A/ja
Publication of JPS53106598A publication Critical patent/JPS53106598A/ja
Publication of JPS5628318B2 publication Critical patent/JPS5628318B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
JP2192977A 1977-02-28 1977-02-28 Circuit continuity testing circuit of fire alarm Granted JPS53106598A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2192977A JPS53106598A (en) 1977-02-28 1977-02-28 Circuit continuity testing circuit of fire alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2192977A JPS53106598A (en) 1977-02-28 1977-02-28 Circuit continuity testing circuit of fire alarm

Publications (2)

Publication Number Publication Date
JPS53106598A true JPS53106598A (en) 1978-09-16
JPS5628318B2 JPS5628318B2 (ja) 1981-07-01

Family

ID=12068740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2192977A Granted JPS53106598A (en) 1977-02-28 1977-02-28 Circuit continuity testing circuit of fire alarm

Country Status (1)

Country Link
JP (1) JPS53106598A (ja)

Also Published As

Publication number Publication date
JPS5628318B2 (ja) 1981-07-01

Similar Documents

Publication Publication Date Title
JPS53106598A (en) Circuit continuity testing circuit of fire alarm
JPS537284A (en) Detection of motor temperature
JPS53147246A (en) Annunciator
JPS5218364A (en) Electronic time switch
JPS535673A (en) Alarm electronic watch
JPS5381165A (en) Electronic apparatus with alarm function
JPS5219991A (en) Pulse line frequency selection circuit
JPS51129197A (en) Continuity test circuit of fire alarm
JPS5211069A (en) Clockwork
JPS5432732A (en) Power source apparatus
JPS534498A (en) Instantaneous continuity testing circuit of fire sensor circuits in fire alarming systems
JPS5417778A (en) Synchronism testing circuit
JPS5287646A (en) Protection circuit for electric power supply
JPS5313148A (en) Protective relay
JPS5334441A (en) Falut processing circuit at single clock occurrence
JPS51147920A (en) Memory device
JPS5342776A (en) Alarm electronic watch
JPS5296834A (en) Electronic computer
JPS52126833A (en) Automotive alarm device withclock function
JPS5420625A (en) Fault discrimination ststem of memory system
JPS51130198A (en) A continuity test circuit for the fire alarm
JPS52153778A (en) Detecting circuit
JPS53129531A (en) Tablet-type terminal equipment
JPS5214853A (en) Standard signal generating circuit
JPS5378869A (en) Trigger signal generating circuit