JPS5227296A - Alarm circuit - Google Patents

Alarm circuit

Info

Publication number
JPS5227296A
JPS5227296A JP10220375A JP10220375A JPS5227296A JP S5227296 A JPS5227296 A JP S5227296A JP 10220375 A JP10220375 A JP 10220375A JP 10220375 A JP10220375 A JP 10220375A JP S5227296 A JPS5227296 A JP S5227296A
Authority
JP
Japan
Prior art keywords
alarm circuit
alarm
charply
introducing
rise
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
JP10220375A
Other languages
Japanese (ja)
Inventor
Takahiko Tanigami
Akira Hasegawa
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.)
Automob Antipollut & Saf Res Center
Automobile Appliance Anti Pollution and Safety Research Center
Original Assignee
Automob Antipollut & Saf Res Center
Automobile Appliance Anti Pollution and Safety Research Center
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 Automob Antipollut & Saf Res Center, Automobile Appliance Anti Pollution and Safety Research Center filed Critical Automob Antipollut & Saf Res Center
Priority to JP10220375A priority Critical patent/JPS5227296A/en
Publication of JPS5227296A publication Critical patent/JPS5227296A/en
Pending legal-status Critical Current

Links

Landscapes

  • Emergency Alarm Devices (AREA)

Abstract

PURPOSE: Control of the operation or non-operation time of the alarm unit by introducing PTC element whose resistance charply increases with a rise in temperature into the alarm circuit.
COPYRIGHT: (C)1977,JPO&Japio
JP10220375A 1975-08-25 1975-08-25 Alarm circuit Pending JPS5227296A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10220375A JPS5227296A (en) 1975-08-25 1975-08-25 Alarm circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10220375A JPS5227296A (en) 1975-08-25 1975-08-25 Alarm circuit

Publications (1)

Publication Number Publication Date
JPS5227296A true JPS5227296A (en) 1977-03-01

Family

ID=14321097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10220375A Pending JPS5227296A (en) 1975-08-25 1975-08-25 Alarm circuit

Country Status (1)

Country Link
JP (1) JPS5227296A (en)

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