JPS6433275U - - Google Patents
Info
- Publication number
- JPS6433275U JPS6433275U JP12640487U JP12640487U JPS6433275U JP S6433275 U JPS6433275 U JP S6433275U JP 12640487 U JP12640487 U JP 12640487U JP 12640487 U JP12640487 U JP 12640487U JP S6433275 U JPS6433275 U JP S6433275U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- dial
- dial signal
- telephone
- signal receiving
- 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
- 238000001514 detection method Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987126404U JPH0617398Y2 (ja) | 1987-08-21 | 1987-08-21 | 電話交換装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987126404U JPH0617398Y2 (ja) | 1987-08-21 | 1987-08-21 | 電話交換装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6433275U true JPS6433275U (hu) | 1989-03-01 |
JPH0617398Y2 JPH0617398Y2 (ja) | 1994-05-02 |
Family
ID=31377898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987126404U Expired - Lifetime JPH0617398Y2 (ja) | 1987-08-21 | 1987-08-21 | 電話交換装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0617398Y2 (hu) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58202689A (ja) * | 1982-05-21 | 1983-11-25 | Nec Corp | 押しボタンダイヤル信号の検出方式 |
-
1987
- 1987-08-21 JP JP1987126404U patent/JPH0617398Y2/ja not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58202689A (ja) * | 1982-05-21 | 1983-11-25 | Nec Corp | 押しボタンダイヤル信号の検出方式 |
Also Published As
Publication number | Publication date |
---|---|
JPH0617398Y2 (ja) | 1994-05-02 |
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