JPS5289383A - Sensor apparatus for detecting and confirming operation of sound produ cing device - Google Patents
Sensor apparatus for detecting and confirming operation of sound produ cing deviceInfo
- Publication number
- JPS5289383A JPS5289383A JP10737775A JP10737775A JPS5289383A JP S5289383 A JPS5289383 A JP S5289383A JP 10737775 A JP10737775 A JP 10737775A JP 10737775 A JP10737775 A JP 10737775A JP S5289383 A JPS5289383 A JP S5289383A
- Authority
- JP
- Japan
- Prior art keywords
- sound
- detecting
- sensor apparatus
- confirming operation
- produ
- 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
- Fire-Detection Mechanisms (AREA)
Abstract
PURPOSE: To provide a sensor apparatus for detecting and confirming operation of sound producing device, which incorporates sound producing unit that produces sound when sensor of fire alarm apparatus is activated, whereby inspection can be made with ease and reliability, and at the time of emergency, fire can be extinguished at early stages and prompt refuge is made possible.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10737775A JPS5289383A (en) | 1975-09-04 | 1975-09-04 | Sensor apparatus for detecting and confirming operation of sound produ cing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10737775A JPS5289383A (en) | 1975-09-04 | 1975-09-04 | Sensor apparatus for detecting and confirming operation of sound produ cing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5289383A true JPS5289383A (en) | 1977-07-26 |
Family
ID=14457553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10737775A Pending JPS5289383A (en) | 1975-09-04 | 1975-09-04 | Sensor apparatus for detecting and confirming operation of sound produ cing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5289383A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008219288A (en) * | 2007-03-01 | 2008-09-18 | Matsushita Electric Works Ltd | Intercom master unit and intercom system |
-
1975
- 1975-09-04 JP JP10737775A patent/JPS5289383A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008219288A (en) * | 2007-03-01 | 2008-09-18 | Matsushita Electric Works Ltd | Intercom master unit and intercom system |
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