JPS5242098A - Fire alarm unit - Google Patents
Fire alarm unitInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4991797A (en) * | 1973-01-09 | 1974-09-02 |
-
1975
- 1975-09-29 JP JP11755975A patent/JPS5242098A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4991797A (en) * | 1973-01-09 | 1974-09-02 |
Cited By (2)
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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