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 (fr) | 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 (fr) |
-
1983
- 1983-11-02 JP JP16928783U patent/JPS6077178U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6077178U (ja) | 1985-05-29 |
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