JPS583649U - signal transmission equipment - Google Patents
signal transmission equipmentInfo
- Publication number
- JPS583649U JPS583649U JP1981095244U JP9524481U JPS583649U JP S583649 U JPS583649 U JP S583649U JP 1981095244 U JP1981095244 U JP 1981095244U JP 9524481 U JP9524481 U JP 9524481U JP S583649 U JPS583649 U JP S583649U
- Authority
- JP
- Japan
- Prior art keywords
- signal transmission
- transmission equipment
- pilot signal
- transmission device
- oscillator
- 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
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Optical Communication System (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の信号伝送装置のブロック図、第２図は本
考案に係る信号伝送装置の一実施例を示すブロック図で
ある。
１１・・・・・・光−電気変換器、１２． １３． ２
３・・・・・・増幅器、１４，１６．２２・・・・・・
帯域除波器、１６・・・・・・利得制御信号発生回路、
１７．２１・・・・・・ＵＩＪンク、２５・・・・・・
電気−光変換器、３０・・回位相同期発振回路。FIG. 1 is a block diagram of a conventional signal transmission device, and FIG. 2 is a block diagram showing an embodiment of the signal transmission device according to the present invention. 11...Optical-electrical converter, 12. 13. 2
3...Amplifier, 14,16.22...
band remover, 16...gain control signal generation circuit,
17.21...UIJnk, 25...
Electrical-optical converter, 30... phase synchronized oscillation circuit.
Claims (1)
型多中継の信号伝送装置において、後位局の共イロット
信号発振器に前位局からのパイロット信号により位相同
期をかける位相同期発振口、 路を設けたことを特徴
とする信号伝送装置。In a cascade-connected multi-repeater signal transmission device that removes and inserts a pilot signal in each section, a phase synchronization oscillator is used to synchronize the phase of a common pilot signal oscillator of a subsequent station with a pilot signal from a preceding station. A signal transmission device characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981095244U JPS583649U (en) | 1981-06-29 | 1981-06-29 | signal transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981095244U JPS583649U (en) | 1981-06-29 | 1981-06-29 | signal transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS583649U true JPS583649U (en) | 1983-01-11 |
Family
ID=29890161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981095244U Pending JPS583649U (en) | 1981-06-29 | 1981-06-29 | signal transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS583649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03174887A (en) * | 1989-12-04 | 1991-07-30 | Nec Corp | Repeater for extension of catv installation |
-
1981
- 1981-06-29 JP JP1981095244U patent/JPS583649U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03174887A (en) * | 1989-12-04 | 1991-07-30 | Nec Corp | Repeater for extension of catv installation |
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