JPH0744107Y2 - 信号伝送回路 - Google Patents
信号伝送回路Info
- Publication number
- JPH0744107Y2 JPH0744107Y2 JP8334989U JP8334989U JPH0744107Y2 JP H0744107 Y2 JPH0744107 Y2 JP H0744107Y2 JP 8334989 U JP8334989 U JP 8334989U JP 8334989 U JP8334989 U JP 8334989U JP H0744107 Y2 JPH0744107 Y2 JP H0744107Y2
- Authority
- JP
- Japan
- Prior art keywords
- noise
- data pulse
- circuit
- transmission line
- audio signal
- 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 - Lifetime
Links
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Noise Elimination (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8334989U JPH0744107Y2 (ja) | 1989-07-15 | 1989-07-15 | 信号伝送回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8334989U JPH0744107Y2 (ja) | 1989-07-15 | 1989-07-15 | 信号伝送回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0322439U JPH0322439U ( ) | 1991-03-07 |
JPH0744107Y2 true JPH0744107Y2 (ja) | 1995-10-09 |
Family
ID=31630943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8334989U Expired - Lifetime JPH0744107Y2 (ja) | 1989-07-15 | 1989-07-15 | 信号伝送回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0744107Y2 ( ) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4659030B2 (ja) * | 2005-05-26 | 2011-03-30 | ビーエルデーオリエンタル株式会社 | ボウリングゲームシステム |
-
1989
- 1989-07-15 JP JP8334989U patent/JPH0744107Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0322439U ( ) | 1991-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0381214B1 (en) | Telephone having touch sensor for responding to a call | |
MX9704092A (es) | Aparato y metodo para comunicacion de datos en serie usando microcomputadora general. | |
JPH04323938A (ja) | ハンズフリー回路 | |
JPH0744107Y2 (ja) | 信号伝送回路 | |
US4271403A (en) | Coaxial cable switching circuit | |
EP0121508A3 (en) | A method to influence an audio source during telephone operation, and a device for utilization of the method | |
JPH0758800A (ja) | 同期または非同期の自動通信切り替え装置 | |
US4558321A (en) | Visitor conversation system | |
JP3232797B2 (ja) | キャリアセンス付き受信回路 | |
JPS63166346A (ja) | 多周波数比較型ハンズフリ−回路 | |
KR900007558Y1 (ko) | 헤드폰용 뮤트회로 | |
US6052570A (en) | RSSI comparison circuit for a time duplex system | |
KR930002039Y1 (ko) | 전화수신 표시장치 | |
JPH039695A (ja) | ボタン電話装置 | |
KR900005714Y1 (ko) | 잘못놓여진 수화기의 자동검색 및 경보회로 | |
JP2749195B2 (ja) | Dtmf信号受信回路 | |
JPS63151144A (ja) | 着信検出装置 | |
KR970071576A (ko) | 브이시알 전화 시스템 | |
JPH01232413A (ja) | 端末装置 | |
JPH0563776A (ja) | 多機能電話機 | |
KR970019297A (ko) | 에러톤을 이용한 전화기의 수신 벨 구동 회로 | |
JPS637517B2 ( ) | ||
US20030021407A1 (en) | Dual hysteresis signal detection circuit | |
CN1238634A (zh) | 插拨信号辨识容错方法与装置 | |
JPS6418340A (en) | Automatic on-hook method for terminal telephone set |