JPS53149702A - Circuit for calling interphone - Google Patents
Circuit for calling interphoneInfo
- Publication number
- JPS53149702A JPS53149702A JP2399478A JP2399478A JPS53149702A JP S53149702 A JPS53149702 A JP S53149702A JP 2399478 A JP2399478 A JP 2399478A JP 2399478 A JP2399478 A JP 2399478A JP S53149702 A JPS53149702 A JP S53149702A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- interphone
- calling
- calling interphone
- 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
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2399478A JPS53149702A (en) | 1978-03-02 | 1978-03-02 | Circuit for calling interphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2399478A JPS53149702A (en) | 1978-03-02 | 1978-03-02 | Circuit for calling interphone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53149702A true JPS53149702A (en) | 1978-12-27 |
JPS5649359B2 JPS5649359B2 (en) | 1981-11-20 |
Family
ID=12126121
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2399478A Granted JPS53149702A (en) | 1978-03-02 | 1978-03-02 | Circuit for calling interphone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53149702A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63174755U (en) * | 1986-10-07 | 1988-11-14 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4814773U (en) * | 1971-07-05 | 1973-02-19 | ||
JPS4874825A (en) * | 1971-12-30 | 1973-10-09 |
-
1978
- 1978-03-02 JP JP2399478A patent/JPS53149702A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4814773U (en) * | 1971-07-05 | 1973-02-19 | ||
JPS4874825A (en) * | 1971-12-30 | 1973-10-09 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63174755U (en) * | 1986-10-07 | 1988-11-14 |
Also Published As
Publication number | Publication date |
---|---|
JPS5649359B2 (en) | 1981-11-20 |
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