JPH0366277U - - Google Patents
Info
- Publication number
- JPH0366277U JPH0366277U JP12465889U JP12465889U JPH0366277U JP H0366277 U JPH0366277 U JP H0366277U JP 12465889 U JP12465889 U JP 12465889U JP 12465889 U JP12465889 U JP 12465889U JP H0366277 U JPH0366277 U JP H0366277U
- Authority
- JP
- Japan
- Prior art keywords
- base unit
- connection operation
- exchange
- door intercom
- call
- 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
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989124658U JPH0628868Y2 (ja) | 1989-10-25 | 1989-10-25 | 宅内交換機におけるドアホン呼出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989124658U JPH0628868Y2 (ja) | 1989-10-25 | 1989-10-25 | 宅内交換機におけるドアホン呼出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0366277U true JPH0366277U (bg) | 1991-06-27 |
JPH0628868Y2 JPH0628868Y2 (ja) | 1994-08-03 |
Family
ID=31672565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989124658U Expired - Lifetime JPH0628868Y2 (ja) | 1989-10-25 | 1989-10-25 | 宅内交換機におけるドアホン呼出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0628868Y2 (bg) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63238795A (ja) * | 1986-11-17 | 1988-10-04 | Matsushita Electric Works Ltd | 電話システム |
-
1989
- 1989-10-25 JP JP1989124658U patent/JPH0628868Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63238795A (ja) * | 1986-11-17 | 1988-10-04 | Matsushita Electric Works Ltd | 電話システム |
Also Published As
Publication number | Publication date |
---|---|
JPH0628868Y2 (ja) | 1994-08-03 |