JPH0478850U - - Google Patents
Info
- Publication number
- JPH0478850U JPH0478850U JP12280390U JP12280390U JPH0478850U JP H0478850 U JPH0478850 U JP H0478850U JP 12280390 U JP12280390 U JP 12280390U JP 12280390 U JP12280390 U JP 12280390U JP H0478850 U JPH0478850 U JP H0478850U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- hook operation
- hold
- hold state
- calling
- 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 1
- 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 |
|---|---|---|---|
| JP12280390U JPH0478850U (it) | 1990-11-22 | 1990-11-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12280390U JPH0478850U (it) | 1990-11-22 | 1990-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0478850U true JPH0478850U (it) | 1992-07-09 |
Family
ID=31870553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12280390U Pending JPH0478850U (it) | 1990-11-22 | 1990-11-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0478850U (it) |
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1990
- 1990-11-22 JP JP12280390U patent/JPH0478850U/ja active Pending