JPS5347799A - Fire sensing device - Google Patents

Fire sensing device

Info

Publication number
JPS5347799A
JPS5347799A JP12306776A JP12306776A JPS5347799A JP S5347799 A JPS5347799 A JP S5347799A JP 12306776 A JP12306776 A JP 12306776A JP 12306776 A JP12306776 A JP 12306776A JP S5347799 A JPS5347799 A JP S5347799A
Authority
JP
Japan
Prior art keywords
sensing device
fire sensing
fire
change
discriminating
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
JP12306776A
Other languages
Japanese (ja)
Inventor
Hiroshi Izumi
Hideo Tanaka
Sumio Ozawa
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12306776A priority Critical patent/JPS5347799A/en
Publication of JPS5347799A publication Critical patent/JPS5347799A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To display the change of the object to be sensed through more than three state changes by discriminating the fire sensing device itself and also by grasping the state change into which the time element of the fire phenomenon is taken.
COPYRIGHT: (C)1978,JPO&Japio
JP12306776A 1976-10-13 1976-10-13 Fire sensing device Pending JPS5347799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12306776A JPS5347799A (en) 1976-10-13 1976-10-13 Fire sensing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12306776A JPS5347799A (en) 1976-10-13 1976-10-13 Fire sensing device

Publications (1)

Publication Number Publication Date
JPS5347799A true JPS5347799A (en) 1978-04-28

Family

ID=14851365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12306776A Pending JPS5347799A (en) 1976-10-13 1976-10-13 Fire sensing device

Country Status (1)

Country Link
JP (1) JPS5347799A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182297A (en) * 1981-03-13 1982-11-10 Beekaa Ind Inc Bidirectional interactive flame detection system
JPS60153597A (en) * 1984-01-20 1985-08-13 三洋電機株式会社 Centralized alarm system
JPS61110297A (en) * 1984-11-02 1986-05-28 能美防災株式会社 Automatic fire alarm equipment
JPH03263196A (en) * 1990-03-13 1991-11-22 Shiyoubouchiyou Chokan Fire property monitor system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4411514Y1 (en) * 1965-02-23 1969-05-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4411514Y1 (en) * 1965-02-23 1969-05-13

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182297A (en) * 1981-03-13 1982-11-10 Beekaa Ind Inc Bidirectional interactive flame detection system
JPS60153597A (en) * 1984-01-20 1985-08-13 三洋電機株式会社 Centralized alarm system
JPS61110297A (en) * 1984-11-02 1986-05-28 能美防災株式会社 Automatic fire alarm equipment
JPH0522956B2 (en) * 1984-11-02 1993-03-31 Nohmi Bosai Ltd
JPH03263196A (en) * 1990-03-13 1991-11-22 Shiyoubouchiyou Chokan Fire property monitor system

Similar Documents

Publication Publication Date Title
JPS51134558A (en) Measuring unit
JPS51151568A (en) Detector
JPS5347799A (en) Fire sensing device
JPS5377199A (en) Fire detector
JPS51139347A (en) Device of discriminating objects
JPS5247750A (en) Display device
JPS52153483A (en) Temperature detector
JPS52135444A (en) Frost detecting device
JPS5421789A (en) Humidity display device
JPS5213380A (en) Rainfall alarm
JPS5223993A (en) Gas detecting element
JPS5373764A (en) Article position searching device
JPS525580A (en) Reversibee stop-watch
JPS53126838A (en) Information hysteresis device
JPS52108735A (en) Display device
JPS52123896A (en) Detection circuit of disconnection of fire sensing circuit
JPS5364190A (en) Observation device of the prevention of control rod extracting
JPS5376792A (en) Receiver of fire alarm system
JPS5227678A (en) Vibration sensing apparatus
JPS524252A (en) Home position detector unit
JPS52106554A (en) Elevator waiting time indicating system
JPS52127099A (en) Case for optoelectronic smoke sensor
JPS5351776A (en) Saturation detector
JPS5242160A (en) Impulse tester
JPS537275A (en) Time measuring apparatus