JPH0311985Y2 - - Google Patents
Info
- Publication number
- JPH0311985Y2 JPH0311985Y2 JP1986086354U JP8635486U JPH0311985Y2 JP H0311985 Y2 JPH0311985 Y2 JP H0311985Y2 JP 1986086354 U JP1986086354 U JP 1986086354U JP 8635486 U JP8635486 U JP 8635486U JP H0311985 Y2 JPH0311985 Y2 JP H0311985Y2
- Authority
- JP
- Japan
- Prior art keywords
- level
- transmitting
- receiving
- comparator
- hands
- 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
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986086354U JPH0311985Y2 (ko) | 1986-06-06 | 1986-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986086354U JPH0311985Y2 (ko) | 1986-06-06 | 1986-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62198749U JPS62198749U (ko) | 1987-12-17 |
| JPH0311985Y2 true JPH0311985Y2 (ko) | 1991-03-22 |
Family
ID=30942580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986086354U Expired JPH0311985Y2 (ko) | 1986-06-06 | 1986-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311985Y2 (ko) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6164771U (ko) * | 1984-09-30 | 1986-05-02 |
-
1986
- 1986-06-06 JP JP1986086354U patent/JPH0311985Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62198749U (ko) | 1987-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6442272B1 (en) | Voice conferencing system having local sound amplification | |
| US3872262A (en) | Key telephone system | |
| JPH04234253A (ja) | 通信端末セットおよび電話端末セット | |
| US3860756A (en) | Automatic voice-path switching circuit for a speaker phone telephone set | |
| US4346261A (en) | Speaker phones | |
| JP2956853B2 (ja) | 電話音声回路網 | |
| JPH0311985Y2 (ko) | ||
| JPH0311984Y2 (ko) | ||
| KR100357801B1 (ko) | 수신신호경로에서의측음감소회로 | |
| US3423531A (en) | Voice controlled amplifier | |
| US7003092B1 (en) | Automated microphone switch controlled by a CTI combo | |
| JP2550563B2 (ja) | 電話機の通話回路 | |
| JPS63272254A (ja) | 電話装置 | |
| KR910003946B1 (ko) | 인터폰 시스템의 상호국선 전환회로 | |
| JPH0262068B2 (ko) | ||
| JPH0311983Y2 (ko) | ||
| JPH0218617Y2 (ko) | ||
| KR830001578B1 (ko) | 확성 전화기의 2선식 동시통화 방법 | |
| KR880001332Y1 (ko) | 무극성 핸드프리 인터폰. | |
| JPH0649001Y2 (ja) | 電話装置 | |
| JPS6331142B2 (ko) | ||
| JPH0357669B2 (ko) | ||
| JPH0556132A (ja) | 拡声電話装置回路 | |
| JPS6337534B2 (ko) | ||
| JPH0267049A (ja) | 拡声電話機のハウリング防止装置 |