JPS641826Y2 - - Google Patents
Info
- Publication number
- JPS641826Y2 JPS641826Y2 JP18330879U JP18330879U JPS641826Y2 JP S641826 Y2 JPS641826 Y2 JP S641826Y2 JP 18330879 U JP18330879 U JP 18330879U JP 18330879 U JP18330879 U JP 18330879U JP S641826 Y2 JPS641826 Y2 JP S641826Y2
- Authority
- JP
- Japan
- Prior art keywords
- calling
- button
- call
- telephone
- extension
- 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.)
- Expired
Links
- 230000004044 response Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18330879U JPS641826Y2 (OSRAM) | 1979-12-28 | 1979-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18330879U JPS641826Y2 (OSRAM) | 1979-12-28 | 1979-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5699965U JPS5699965U (OSRAM) | 1981-08-06 |
| JPS641826Y2 true JPS641826Y2 (OSRAM) | 1989-01-17 |
Family
ID=29693612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18330879U Expired JPS641826Y2 (OSRAM) | 1979-12-28 | 1979-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641826Y2 (OSRAM) |
-
1979
- 1979-12-28 JP JP18330879U patent/JPS641826Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5699965U (OSRAM) | 1981-08-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH07327074A (ja) | 応答機用補助ベースバンド電話インタフェース | |
| US4756021A (en) | Telephone set | |
| JPS641826Y2 (OSRAM) | ||
| JPS63164746A (ja) | 回線接続切換装置 | |
| JPH0131745B2 (OSRAM) | ||
| JPH05219226A (ja) | デジタル電子交換機における悪意呼録音方式 | |
| JPS5830341Y2 (ja) | 拡声電話自動応答装置 | |
| JPS6167395A (ja) | 電話装置 | |
| JPS6085696A (ja) | ボタン電話装置 | |
| KR0121980B1 (ko) | 전화기의 발신제어장치 및 방법 | |
| KR900005155B1 (ko) | 스피커폰의 자동응답 방법 | |
| KR910004268B1 (ko) | 톤 감지에 의한 자동 리다이얼 방법 | |
| JP2709180B2 (ja) | ボタン電話装置 | |
| JPH03112293A (ja) | 家庭用簡易交換装置 | |
| JPH0247674Y2 (OSRAM) | ||
| JP2537324Y2 (ja) | ディジタル電話機 | |
| JPH05219190A (ja) | 電話機の制御装置 | |
| JPH0370255A (ja) | ファクシミリ装置 | |
| JPH04109741A (ja) | ボタン電話装置 | |
| JPS63208339A (ja) | 電話機 | |
| JPH0142181B2 (OSRAM) | ||
| JPH07288582A (ja) | 電話端末装置の切換装置 | |
| JPS62278894A (ja) | ボタン電話方式 | |
| JPS62224192A (ja) | ボタン電話装置 | |
| JPH02141051A (ja) | 電話機 |