JPH0218633Y2 - - Google Patents
Info
- Publication number
- JPH0218633Y2 JPH0218633Y2 JP16928783U JP16928783U JPH0218633Y2 JP H0218633 Y2 JPH0218633 Y2 JP H0218633Y2 JP 16928783 U JP16928783 U JP 16928783U JP 16928783 U JP16928783 U JP 16928783U JP H0218633 Y2 JPH0218633 Y2 JP H0218633Y2
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- call
- built
- signal
- telephone
- 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
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16928783U JPS6077178U (ja) | 1983-11-02 | 1983-11-02 | 拡声機能付ボタン電話装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16928783U JPS6077178U (ja) | 1983-11-02 | 1983-11-02 | 拡声機能付ボタン電話装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6077178U JPS6077178U (ja) | 1985-05-29 |
| JPH0218633Y2 true JPH0218633Y2 (un) | 1990-05-24 |
Family
ID=30369867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16928783U Granted JPS6077178U (ja) | 1983-11-02 | 1983-11-02 | 拡声機能付ボタン電話装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6077178U (un) |
-
1983
- 1983-11-02 JP JP16928783U patent/JPS6077178U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6077178U (ja) | 1985-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4893334A (en) | Intercommunication system for telephones | |
| JP3617284B2 (ja) | ２線式多局型インターホンシステム | |
| JPH04234253A (ja) | 通信端末セットおよび電話端末セット | |
| JPH0218633Y2 (un) | ||
| JP2003283644A (ja) | 拡声用アダプタおよび拡声用通信装置 | |
| JP2753305B2 (ja) | 電話交換システム | |
| JPH03112247A (ja) | 家庭用簡易交換システム | |
| JP2654115B2 (ja) | 電話装置 | |
| JP3624962B2 (ja) | システム電話機 | |
| JPH0649001Y2 (ja) | 電話装置 | |
| JP3033119B2 (ja) | インターホン呼出し音切替え回路 | |
| JP2001103166A (ja) | インターホン装置 | |
| JPH0243887A (ja) | 電子ボタン電話装置 | |
| JPH01232864A (ja) | 拡声電話機 | |
| JPS60107965A (ja) | インタ−ホン機能付電話装置 | |
| JP2539255B2 (ja) | 拡声呼び出し方式及びそのための無線機 | |
| JPH0328618Y2 (un) | ||
| JP2000156725A (ja) | 外部オ―ディオ連結型の電話機 | |
| JPH02214362A (ja) | 電話交換システム | |
| JPH0329550A (ja) | 電話装置 | |
| JPS59111425A (ja) | 会議電話装置 | |
| KR20000036544A (ko) | 전화기 인터페이스기능을 갖춘 컴퓨터 사운드카드 | |
| JPH07101896B2 (ja) | コードレス電話機の子機 | |
| JPS61201555A (ja) | 電子ボタン電話装置 | |
| JPH09289550A (ja) | 構内自動電話交換システム装置 |