JPH0379893B2 - - Google Patents
Info
- Publication number
- JPH0379893B2 JPH0379893B2 JP61100339A JP10033986A JPH0379893B2 JP H0379893 B2 JPH0379893 B2 JP H0379893B2 JP 61100339 A JP61100339 A JP 61100339A JP 10033986 A JP10033986 A JP 10033986A JP H0379893 B2 JPH0379893 B2 JP H0379893B2
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- operational amplifier
- transmitting
- terminal
- receiving
- 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
- 230000005540 biological transmission Effects 0.000 claims description 35
- 238000012423 maintenance Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Landscapes
- Bidirectional Digital Transmission (AREA)
- Small-Scale Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10033986A JPS62257223A (ja) | 1986-04-30 | 1986-04-30 | 送・受信信号分岐回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10033986A JPS62257223A (ja) | 1986-04-30 | 1986-04-30 | 送・受信信号分岐回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62257223A JPS62257223A (ja) | 1987-11-09 |
JPH0379893B2 true JPH0379893B2 (US07754267-20100713-C00017.png) | 1991-12-20 |
Family
ID=14271368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10033986A Granted JPS62257223A (ja) | 1986-04-30 | 1986-04-30 | 送・受信信号分岐回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62257223A (US07754267-20100713-C00017.png) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5523683A (en) * | 1978-08-08 | 1980-02-20 | Nec Corp | Bidirectional relay unit |
JPS60171884A (ja) * | 1984-02-16 | 1985-09-05 | Furukawa Electric Co Ltd:The | 双方向catvシステムの信号伝送方式 |
-
1986
- 1986-04-30 JP JP10033986A patent/JPS62257223A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5523683A (en) * | 1978-08-08 | 1980-02-20 | Nec Corp | Bidirectional relay unit |
JPS60171884A (ja) * | 1984-02-16 | 1985-09-05 | Furukawa Electric Co Ltd:The | 双方向catvシステムの信号伝送方式 |
Also Published As
Publication number | Publication date |
---|---|
JPS62257223A (ja) | 1987-11-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5282157A (en) | Input impedance derived from a transfer network | |
JPS6138656B2 (US07754267-20100713-C00017.png) | ||
US4053722A (en) | Solid state two-wire/four-wire converter with common battery | |
IE44521B1 (en) | A hybrid circuit arrangement | |
US3889072A (en) | Bi-directional amplification apparatus | |
US4065646A (en) | Power converter | |
US6956944B1 (en) | Method and apparatus for compensating for an echo signal component in telecommunication systems | |
JPH0379893B2 (US07754267-20100713-C00017.png) | ||
CA2356952A1 (en) | A method and apparatus for an improved analog echo canceller | |
US4418249A (en) | Four-wire terminating circuit | |
EP1787456B1 (en) | Telephone line interface, side-tone attenuation circuit and method | |
EP1089450B1 (en) | Telephone line interface circuit | |
US5546421A (en) | Self compensating spread-spectrum hybrid | |
US6757383B1 (en) | Compact cable balance network for echo-cancelling, and method for optimizing transhybrid loss and method and apparatus for circuit simulation | |
JPH02202288A (ja) | テレビドアホン装置 | |
JPS6112418B2 (US07754267-20100713-C00017.png) | ||
KR20040032781A (ko) | 브리지 회로 및 통신 디바이스 | |
JPH0750657A (ja) | 全二重伝送システム | |
JPS6230546B2 (US07754267-20100713-C00017.png) | ||
JPS62241439A (ja) | 2線4線変換回路 | |
JPS62210739A (ja) | 2線4線変換回路 | |
JPS62210738A (ja) | 2線4線変換回路 | |
US3535475A (en) | Differential type telephone repeater circuit | |
JP3494468B2 (ja) | ハイブリッド回路及びこれを用いた装置 | |
JPS584349Y2 (ja) | 4線−2線変換回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |