JPS6157651U - - Google Patents
Info
- Publication number
- JPS6157651U JPS6157651U JP14067084U JP14067084U JPS6157651U JP S6157651 U JPS6157651 U JP S6157651U JP 14067084 U JP14067084 U JP 14067084U JP 14067084 U JP14067084 U JP 14067084U JP S6157651 U JPS6157651 U JP S6157651U
- Authority
- JP
- Japan
- Prior art keywords
- feedback
- communication
- audio output
- amount
- intercom system
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14067084U JPS6157651U (2) | 1984-09-14 | 1984-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14067084U JPS6157651U (2) | 1984-09-14 | 1984-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6157651U true JPS6157651U (2) | 1986-04-18 |
Family
ID=30699020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14067084U Pending JPS6157651U (2) | 1984-09-14 | 1984-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6157651U (2) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4956508A (2) * | 1972-09-30 | 1974-06-01 | ||
| JPS5075304A (2) * | 1973-11-05 | 1975-06-20 |
-
1984
- 1984-09-14 JP JP14067084U patent/JPS6157651U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4956508A (2) * | 1972-09-30 | 1974-06-01 | ||
| JPS5075304A (2) * | 1973-11-05 | 1975-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6157651U (2) | ||
| JPH0218617Y2 (2) | ||
| JPH0649001Y2 (ja) | 電話装置 | |
| JPH0164251U (2) | ||
| JPH0419848U (2) | ||
| JPS6454448U (2) | ||
| JPS616970A (ja) | インタ−ホン通話制御方式 | |
| JPH01133853U (2) | ||
| JPH0210647U (2) | ||
| JPS643354U (2) | ||
| JPS6152864U (2) | ||
| JPS61163470U (2) | ||
| JPH0260353U (2) | ||
| JPS62183451U (2) | ||
| JPS6041908B2 (ja) | 拡声電話装置 | |
| JPS6277405U (2) | ||
| JPS61195151U (2) | ||
| JPS63135056A (ja) | インタ−ホンシステム | |
| JPS59152762A (ja) | 打合せ電話回路 | |
| JPS6370751U (2) | ||
| JPS6421551U (2) | ||
| JPS6411016U (2) | ||
| JPS6444790U (2) | ||
| JPS60174555A (ja) | 受話拡声制御方式 | |
| JPS61176896U (2) |