JPS6344547U - - Google Patents
Info
- Publication number
- JPS6344547U JPS6344547U JP1986138177U JP13817786U JPS6344547U JP S6344547 U JPS6344547 U JP S6344547U JP 1986138177 U JP1986138177 U JP 1986138177U JP 13817786 U JP13817786 U JP 13817786U JP S6344547 U JPS6344547 U JP S6344547U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- signal
- output
- selects
- transmission paths
- 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
- 230000003287 optical effect Effects 0.000 claims 16
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Communication System (AREA)
Description
第１図はこの考案実施例の信号選択回路のブロ
ツク図、第２図は従来の信号選択装置のブロツク
図、第３図は同切換スイツチの回路図である。
FIG. 1 is a block diagram of a signal selection circuit according to an embodiment of the invention, FIG. 2 is a block diagram of a conventional signal selection device, and FIG. 3 is a circuit diagram of the changeover switch.
Claims (1)
数の光伝送経路と、当該複数の光伝送経路のそれ
ぞれに接続した光分岐装置と、当該光分岐装置の
それぞれ一方の光出力信号の任意の一の光信号を
選択する第１光スイツチ装置と、前記光分岐装置
のそれぞれ他方の光出力信号の任意の一の光信号
を選択する第２光スイツチ装置と、前記第１光ス
イツチにより選択された光信号を電気信号に変換
する光−電気変換素子を具備し、前記第２光スイ
ツチにより選択された光信号を光出力信号として
出力用光コネクターに接続したことを特徴とする
光入力デジタル増幅器の信号選択装置。 A plurality of optical transmission paths that independently transmit different optical signals, an optical branching device connected to each of the plurality of optical transmission paths, and an arbitrary one of the optical output signals of each of the optical branching devices. a first optical switch device that selects an optical signal; a second optical switch device that selects any one of the optical output signals of the other of the optical branching devices; A signal of an optical input digital amplifier, comprising an optical-to-electrical conversion element for converting a signal into an electrical signal, and an optical signal selected by the second optical switch is connected to an output optical connector as an optical output signal. Selection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986138177U JPS6344547U (en) | 1986-09-08 | 1986-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986138177U JPS6344547U (en) | 1986-09-08 | 1986-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6344547U true JPS6344547U (en) | 1988-03-25 |
Family
ID=31042921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986138177U Pending JPS6344547U (en) | 1986-09-08 | 1986-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6344547U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5854745A (en) * | 1981-09-29 | 1983-03-31 | Fujitsu Ltd | Automatic gain adjusting system for optical switch system |
| JPS6012834A (en) * | 1983-07-04 | 1985-01-23 | Nec Corp | Optical switching circuit |
-
1986
- 1986-09-08 JP JP1986138177U patent/JPS6344547U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5854745A (en) * | 1981-09-29 | 1983-03-31 | Fujitsu Ltd | Automatic gain adjusting system for optical switch system |
| JPS6012834A (en) * | 1983-07-04 | 1985-01-23 | Nec Corp | Optical switching circuit |
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