JPS54996A - Fire detector and fire alarm unit used for it - Google Patents

Fire detector and fire alarm unit used for it

Info

Publication number
JPS54996A
JPS54996A JP6701577A JP6701577A JPS54996A JP S54996 A JPS54996 A JP S54996A JP 6701577 A JP6701577 A JP 6701577A JP 6701577 A JP6701577 A JP 6701577A JP S54996 A JPS54996 A JP S54996A
Authority
JP
Japan
Prior art keywords
fire
alarm unit
unit used
detector
constituting
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
JP6701577A
Other languages
Japanese (ja)
Inventor
Sumio Ozawa
Hideo Tanaka
Hiroshi Izumi
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 JP6701577A priority Critical patent/JPS54996A/en
Publication of JPS54996A publication Critical patent/JPS54996A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)

Abstract

PURPOSE: To increase the reliability with a simple constitution, by constituting the circuit analogically, through the provision of sensing section detecting the conditional change of objective, circuit section constituting the specific addresses, and output section outputting the sensing signal after frequency modulation when the address is designated.
COPYRIGHT: (C)1979,JPO&Japio
JP6701577A 1977-06-06 1977-06-06 Fire detector and fire alarm unit used for it Pending JPS54996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6701577A JPS54996A (en) 1977-06-06 1977-06-06 Fire detector and fire alarm unit used for it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6701577A JPS54996A (en) 1977-06-06 1977-06-06 Fire detector and fire alarm unit used for it

Publications (1)

Publication Number Publication Date
JPS54996A true JPS54996A (en) 1979-01-06

Family

ID=13332653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6701577A Pending JPS54996A (en) 1977-06-06 1977-06-06 Fire detector and fire alarm unit used for it

Country Status (1)

Country Link
JP (1) JPS54996A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332185A (en) * 1976-09-02 1978-03-27 Mitori Sangiyou Kk Apparatus for distributing and supplying filling in rice cracker baking machine
JPS5977596A (en) * 1982-10-27 1984-05-04 ニツタン株式会社 Environmental abnormality detection alarm system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5332185A (en) * 1976-09-02 1978-03-27 Mitori Sangiyou Kk Apparatus for distributing and supplying filling in rice cracker baking machine
JPS5977596A (en) * 1982-10-27 1984-05-04 ニツタン株式会社 Environmental abnormality detection alarm system

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