JPS5393702A - Optical transmitter - Google Patents
Optical transmitterInfo
- Publication number
- JPS5393702A JPS5393702A JP855777A JP855777A JPS5393702A JP S5393702 A JPS5393702 A JP S5393702A JP 855777 A JP855777 A JP 855777A JP 855777 A JP855777 A JP 855777A JP S5393702 A JPS5393702 A JP S5393702A
- Authority
- JP
- Japan
- Prior art keywords
- optical transmitter
- optical transmission
- transmission part
- break
- monitoring
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
PURPOSE:To ensure a switching without break for the double optical transmission part, by monitoring the driving current value for the optical transmission part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP855777A JPS5393702A (en) | 1977-01-27 | 1977-01-27 | Optical transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP855777A JPS5393702A (en) | 1977-01-27 | 1977-01-27 | Optical transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5393702A true JPS5393702A (en) | 1978-08-17 |
Family
ID=11696400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP855777A Pending JPS5393702A (en) | 1977-01-27 | 1977-01-27 | Optical transmitter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5393702A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57111141A (en) * | 1980-12-26 | 1982-07-10 | Fujitsu Ltd | Light emission element driving circuit |
-
1977
- 1977-01-27 JP JP855777A patent/JPS5393702A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57111141A (en) * | 1980-12-26 | 1982-07-10 | Fujitsu Ltd | Light emission element driving circuit |
JPS6318902B2 (en) * | 1980-12-26 | 1988-04-20 | Fujitsu Ltd |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5244370A (en) | Automatic clutch control device | |
JPS5393702A (en) | Optical transmitter | |
JPS5318940A (en) | Contact selection deiving unit for ocean block equalizer | |
JPS51131221A (en) | Control method for paper feeding to the printer | |
JPS53101260A (en) | Selective gate circuit | |
JPS5335411A (en) | Communicating method for dual directions | |
JPS5435603A (en) | State indication system of push-button telephone | |
JPS5398724A (en) | Driving unit for television receiver | |
JPS5332603A (en) | Telephone set with timer | |
JPS5336405A (en) | Loop transmission system | |
JPS51132903A (en) | Light transmission apparatus | |
JPS5292456A (en) | Automatic power control system | |
JPS53133306A (en) | Automatic data transmission control system | |
JPS52136547A (en) | Automatic power control system | |
JPS538010A (en) | Transmission control unit | |
JPS5336406A (en) | Loop transmission system | |
JPS5418531A (en) | Seat belt | |
JPS537A (en) | Multiple transmission system | |
JPS5419565A (en) | Electronically controlled washer | |
JPS53123646A (en) | Limiter circuit | |
JPS53118902A (en) | Selective inter-call unit | |
JPS53116713A (en) | Channel network control system | |
JPS52135603A (en) | Signal tone transmission system | |
JPS5287311A (en) | Transceiver | |
JPS5338907A (en) | Hook-switch |