JPS5242098A - Fire alarm unit - Google Patents

Fire alarm unit

Info

Publication number
JPS5242098A
JPS5242098A JP11755975A JP11755975A JPS5242098A JP S5242098 A JPS5242098 A JP S5242098A JP 11755975 A JP11755975 A JP 11755975A JP 11755975 A JP11755975 A JP 11755975A JP S5242098 A JPS5242098 A JP S5242098A
Authority
JP
Japan
Prior art keywords
alarm unit
fire alarm
smoke sensor
ion type
type smoke
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
JP11755975A
Other languages
Japanese (ja)
Inventor
Isao Sasaki
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.)
NITSUTAN KK
Nittan Co Ltd
Original Assignee
NITSUTAN KK
Nittan 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 NITSUTAN KK, Nittan Co Ltd filed Critical NITSUTAN KK
Priority to JP11755975A priority Critical patent/JPS5242098A/en
Publication of JPS5242098A publication Critical patent/JPS5242098A/en
Pending legal-status Critical Current

Links

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Fire-Detection Mechanisms (AREA)

Abstract

PURPOSE: To make easier the maintenance and inspection without picking out the ion type smoke sensor by providing the test unit on the receiver and also providing the pass on unit passing on the test signal to each ion type smoke sensor in the vicinity of the ion type smoke sensor.
COPYRIGHT: (C)1977,JPO&Japio
JP11755975A 1975-09-29 1975-09-29 Fire alarm unit Pending JPS5242098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11755975A JPS5242098A (en) 1975-09-29 1975-09-29 Fire alarm unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11755975A JPS5242098A (en) 1975-09-29 1975-09-29 Fire alarm unit

Publications (1)

Publication Number Publication Date
JPS5242098A true JPS5242098A (en) 1977-04-01

Family

ID=14714804

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11755975A Pending JPS5242098A (en) 1975-09-29 1975-09-29 Fire alarm unit

Country Status (1)

Country Link
JP (1) JPS5242098A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5088735A (en) * 1988-09-05 1992-02-18 Ryobi Limited Shaft structure of golf club and production method of the shaft
US5143374A (en) * 1990-02-16 1992-09-01 Somar Corporation Golf club shaft and process for manufacturing same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991797A (en) * 1973-01-09 1974-09-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4991797A (en) * 1973-01-09 1974-09-02

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5088735A (en) * 1988-09-05 1992-02-18 Ryobi Limited Shaft structure of golf club and production method of the shaft
US5143374A (en) * 1990-02-16 1992-09-01 Somar Corporation Golf club shaft and process for manufacturing same

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