JPS6347108Y2 - - Google Patents
Info
- Publication number
- JPS6347108Y2 JPS6347108Y2 JP17143983U JP17143983U JPS6347108Y2 JP S6347108 Y2 JPS6347108 Y2 JP S6347108Y2 JP 17143983 U JP17143983 U JP 17143983U JP 17143983 U JP17143983 U JP 17143983U JP S6347108 Y2 JPS6347108 Y2 JP S6347108Y2
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- telephone
- voltage
- current
- base
- 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
- 239000003990 capacitor Substances 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17143983U JPS6079867U (ja) | 1983-11-04 | 1983-11-04 | 電子式電話機 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17143983U JPS6079867U (ja) | 1983-11-04 | 1983-11-04 | 電子式電話機 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6079867U JPS6079867U (ja) | 1985-06-03 |
| JPS6347108Y2 true JPS6347108Y2 (OSRAM) | 1988-12-06 |
Family
ID=30373980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17143983U Granted JPS6079867U (ja) | 1983-11-04 | 1983-11-04 | 電子式電話機 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6079867U (OSRAM) |
-
1983
- 1983-11-04 JP JP17143983U patent/JPS6079867U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6079867U (ja) | 1985-06-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2999214B2 (ja) | 伝送入出力回路 | |
| US5239579A (en) | Adaptive amplifier circuit | |
| US5036536A (en) | Electret microphone transmitter for use in telephone circuits | |
| US4431874A (en) | Balanced current multiplier circuit for a subscriber loop interface circuit | |
| JPS6145424B2 (OSRAM) | ||
| US3963876A (en) | Amplifier circuit for increasing transmit and receive levels in a telephone hybrid network | |
| US4748664A (en) | Telephone power supply | |
| US4039766A (en) | Electric two-to-four wire conversion circuit for use in telephone systems | |
| US5191606A (en) | Electrical telephone speech network | |
| JP2744784B2 (ja) | 電気通信システム内で使用される電話器給電装置 | |
| US4485341A (en) | Current limiter circuit | |
| JPS6347108Y2 (OSRAM) | ||
| US6563924B1 (en) | Subscriber matching circuit for electronic exchange | |
| US4723278A (en) | Voice circuit of telephone | |
| US4856058A (en) | Office line interface circuits | |
| JP2003521841A (ja) | 送信信号電話ラインドライバを有する電子インダクタ | |
| KR100391885B1 (ko) | 전전자식 교환기의 가입자 정합 회로 | |
| JPS60142655A (ja) | 音声伝送回路 | |
| KR200202421Y1 (ko) | 전화기용 선로 인터페이스 회로 | |
| KR100342241B1 (ko) | 전화기용 선로 인터페이스 회로 | |
| JP3617160B2 (ja) | 疑似インダクタンス回路 | |
| JPS625757A (ja) | 電話機の送信回路 | |
| JPS6330053A (ja) | 電話機回路 | |
| JPH0744598B2 (ja) | 電話回線接続回路 | |
| JPS6337743A (ja) | 低電圧用電話機 |