JPH01146653U - - Google Patents
Info
- Publication number
- JPH01146653U JPH01146653U JP4234088U JP4234088U JPH01146653U JP H01146653 U JPH01146653 U JP H01146653U JP 4234088 U JP4234088 U JP 4234088U JP 4234088 U JP4234088 U JP 4234088U JP H01146653 U JPH01146653 U JP H01146653U
- Authority
- JP
- Japan
- Prior art keywords
- monitor
- switch
- telephone device
- door intercom
- intercom function
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4234088U JPH01146653U (tr) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4234088U JPH01146653U (tr) | 1988-03-30 | 1988-03-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01146653U true JPH01146653U (tr) | 1989-10-09 |
Family
ID=31268750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4234088U Pending JPH01146653U (tr) | 1988-03-30 | 1988-03-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01146653U (tr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03109462U (tr) * | 1990-02-23 | 1991-11-11 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5726958A (en) * | 1980-07-25 | 1982-02-13 | Toshiba Electric Equip Corp | Interphone device |
JPS5946057B2 (ja) * | 1977-07-11 | 1984-11-10 | 松下電器産業株式会社 | 磁気記録再生装置 |
-
1988
- 1988-03-30 JP JP4234088U patent/JPH01146653U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5946057B2 (ja) * | 1977-07-11 | 1984-11-10 | 松下電器産業株式会社 | 磁気記録再生装置 |
JPS5726958A (en) * | 1980-07-25 | 1982-02-13 | Toshiba Electric Equip Corp | Interphone device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03109462U (tr) * | 1990-02-23 | 1991-11-11 |