JPH0434051U - - Google Patents
Info
- Publication number
- JPH0434051U JPH0434051U JP7483790U JP7483790U JPH0434051U JP H0434051 U JPH0434051 U JP H0434051U JP 7483790 U JP7483790 U JP 7483790U JP 7483790 U JP7483790 U JP 7483790U JP H0434051 U JPH0434051 U JP H0434051U
- Authority
- JP
- Japan
- Prior art keywords
- call
- signal
- door intercom
- hook detection
- hook
- 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 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7483790U JPH0434051U (en, 2012) | 1990-07-13 | 1990-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7483790U JPH0434051U (en, 2012) | 1990-07-13 | 1990-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434051U true JPH0434051U (en, 2012) | 1992-03-19 |
Family
ID=31614882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7483790U Pending JPH0434051U (en, 2012) | 1990-07-13 | 1990-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434051U (en, 2012) |
-
1990
- 1990-07-13 JP JP7483790U patent/JPH0434051U/ja active Pending
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