JPS6275670U - - Google Patents
Info
- Publication number
- JPS6275670U JPS6275670U JP13014385U JP13014385U JPS6275670U JP S6275670 U JPS6275670 U JP S6275670U JP 13014385 U JP13014385 U JP 13014385U JP 13014385 U JP13014385 U JP 13014385U JP S6275670 U JPS6275670 U JP S6275670U
- Authority
- JP
- Japan
- Prior art keywords
- alarm
- audio level
- signal
- detection circuit
- alarm indicator
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Alarm Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13014385U JPS6275670U (me) | 1985-08-27 | 1985-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13014385U JPS6275670U (me) | 1985-08-27 | 1985-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6275670U true JPS6275670U (me) | 1987-05-14 |
Family
ID=31027361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13014385U Pending JPS6275670U (me) | 1985-08-27 | 1985-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6275670U (me) |
-
1985
- 1985-08-27 JP JP13014385U patent/JPS6275670U/ja active Pending
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