JPH01172790U - - Google Patents
Info
- Publication number
- JPH01172790U JPH01172790U JP6942788U JP6942788U JPH01172790U JP H01172790 U JPH01172790 U JP H01172790U JP 6942788 U JP6942788 U JP 6942788U JP 6942788 U JP6942788 U JP 6942788U JP H01172790 U JPH01172790 U JP H01172790U
- Authority
- JP
- Japan
- Prior art keywords
- hold
- state
- direct current
- current connection
- holding
- 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
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6942788U JPH01172790U (US07714131-20100511-C00038.png) | 1988-05-26 | 1988-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6942788U JPH01172790U (US07714131-20100511-C00038.png) | 1988-05-26 | 1988-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01172790U true JPH01172790U (US07714131-20100511-C00038.png) | 1989-12-07 |
Family
ID=31294704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6942788U Pending JPH01172790U (US07714131-20100511-C00038.png) | 1988-05-26 | 1988-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01172790U (US07714131-20100511-C00038.png) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844563A (US07714131-20100511-C00038.png) * | 1971-10-09 | 1973-06-26 | ||
| JPS5184504A (US07714131-20100511-C00038.png) * | 1975-01-21 | 1976-07-23 | Iwatsu Electric Co Ltd | |
| JPS53641A (en) * | 1976-06-23 | 1978-01-06 | Komatsu Mfg Co Ltd | Shield excavator |
| JPS5394806A (en) * | 1977-01-31 | 1978-08-19 | Nec Corp | Alarm display circuit for long-time holding of key telephone set |
| JPS62123856A (ja) * | 1985-11-25 | 1987-06-05 | Matsushita Electric Works Ltd | 電話システム |
| JPS6384350A (ja) * | 1986-09-29 | 1988-04-14 | Toshiba Electric Equip Corp | 電話用コンセント |
-
1988
- 1988-05-26 JP JP6942788U patent/JPH01172790U/ja active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4844563A (US07714131-20100511-C00038.png) * | 1971-10-09 | 1973-06-26 | ||
| JPS5184504A (US07714131-20100511-C00038.png) * | 1975-01-21 | 1976-07-23 | Iwatsu Electric Co Ltd | |
| JPS53641A (en) * | 1976-06-23 | 1978-01-06 | Komatsu Mfg Co Ltd | Shield excavator |
| JPS5394806A (en) * | 1977-01-31 | 1978-08-19 | Nec Corp | Alarm display circuit for long-time holding of key telephone set |
| JPS62123856A (ja) * | 1985-11-25 | 1987-06-05 | Matsushita Electric Works Ltd | 電話システム |
| JPS6384350A (ja) * | 1986-09-29 | 1988-04-14 | Toshiba Electric Equip Corp | 電話用コンセント |
