JPS5227296A - Alarm circuit - Google Patents
Alarm circuitInfo
- Publication number
- JPS5227296A JPS5227296A JP10220375A JP10220375A JPS5227296A JP S5227296 A JPS5227296 A JP S5227296A JP 10220375 A JP10220375 A JP 10220375A JP 10220375 A JP10220375 A JP 10220375A JP S5227296 A JPS5227296 A JP S5227296A
- Authority
- JP
- Japan
- Prior art keywords
- alarm circuit
- alarm
- charply
- introducing
- rise
- 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
- Emergency Alarm Devices (AREA)
Abstract
PURPOSE: Control of the operation or non-operation time of the alarm unit by introducing PTC element whose resistance charply increases with a rise in temperature into the alarm circuit.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10220375A JPS5227296A (en) | 1975-08-25 | 1975-08-25 | Alarm circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10220375A JPS5227296A (en) | 1975-08-25 | 1975-08-25 | Alarm circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5227296A true JPS5227296A (en) | 1977-03-01 |
Family
ID=14321097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10220375A Pending JPS5227296A (en) | 1975-08-25 | 1975-08-25 | Alarm circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5227296A (en) |
-
1975
- 1975-08-25 JP JP10220375A patent/JPS5227296A/en active Pending
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