JPH0246456U - - Google Patents
Info
- Publication number
- JPH0246456U JPH0246456U JP12603088U JP12603088U JPH0246456U JP H0246456 U JPH0246456 U JP H0246456U JP 12603088 U JP12603088 U JP 12603088U JP 12603088 U JP12603088 U JP 12603088U JP H0246456 U JPH0246456 U JP H0246456U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- alarm signal
- intercom
- alarm
- 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.)
- Granted
Links
- 230000003321 amplification Effects 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12603088U JPH0631800Y2 (ja) | 1988-09-27 | 1988-09-27 | インターホンの呼出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12603088U JPH0631800Y2 (ja) | 1988-09-27 | 1988-09-27 | インターホンの呼出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0246456U true JPH0246456U (ar) | 1990-03-29 |
| JPH0631800Y2 JPH0631800Y2 (ja) | 1994-08-22 |
Family
ID=31377168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12603088U Expired - Lifetime JPH0631800Y2 (ja) | 1988-09-27 | 1988-09-27 | インターホンの呼出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0631800Y2 (ar) |
-
1988
- 1988-09-27 JP JP12603088U patent/JPH0631800Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0631800Y2 (ja) | 1994-08-22 |