JPH0332837B2 - - Google Patents
Info
- Publication number
- JPH0332837B2 JPH0332837B2 JP5543784A JP5543784A JPH0332837B2 JP H0332837 B2 JPH0332837 B2 JP H0332837B2 JP 5543784 A JP5543784 A JP 5543784A JP 5543784 A JP5543784 A JP 5543784A JP H0332837 B2 JPH0332837 B2 JP H0332837B2
- Authority
- JP
- Japan
- Prior art keywords
- alarm
- circuit
- disconnection
- detection circuit
- gas detector
- 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.)
- Expired
Links
Landscapes
- Emergency Alarm Devices (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5543784A JPS60198698A (ja) | 1984-03-22 | 1984-03-22 | インタ−ホン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5543784A JPS60198698A (ja) | 1984-03-22 | 1984-03-22 | インタ−ホン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60198698A JPS60198698A (ja) | 1985-10-08 |
JPH0332837B2 true JPH0332837B2 (enrdf_load_stackoverflow) | 1991-05-14 |
Family
ID=12998567
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5543784A Granted JPS60198698A (ja) | 1984-03-22 | 1984-03-22 | インタ−ホン装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60198698A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6481087A (en) * | 1987-09-22 | 1989-03-27 | Hitachi Maxell | Ic card data transmission system |
-
1984
- 1984-03-22 JP JP5543784A patent/JPS60198698A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60198698A (ja) | 1985-10-08 |
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