JPS51141502A - Light pulse transmission system - Google Patents
Light pulse transmission systemInfo
- Publication number
- JPS51141502A JPS51141502A JP50065395A JP6539575A JPS51141502A JP S51141502 A JPS51141502 A JP S51141502A JP 50065395 A JP50065395 A JP 50065395A JP 6539575 A JP6539575 A JP 6539575A JP S51141502 A JPS51141502 A JP S51141502A
- Authority
- JP
- Japan
- Prior art keywords
- transmission system
- pulse transmission
- light pulse
- preamplifier
- equalizer
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Optical Communication System (AREA)
Abstract
PURPOSE:In a pulse transmission system for converting, e. g., ''1'' into ''11'' or ''00'' and ''0'' into ''10'' or ''01'', any equalizer is made unnecessary, and simultaneously, the dynamic range of a preamplifier is allowed to be narrow, thereby to enhance the performance of a light receiver and to simplify circuitry.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50065395A JPS51141502A (en) | 1975-06-02 | 1975-06-02 | Light pulse transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50065395A JPS51141502A (en) | 1975-06-02 | 1975-06-02 | Light pulse transmission system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51141502A true JPS51141502A (en) | 1976-12-06 |
Family
ID=13285766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50065395A Pending JPS51141502A (en) | 1975-06-02 | 1975-06-02 | Light pulse transmission system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51141502A (en) |
-
1975
- 1975-06-02 JP JP50065395A patent/JPS51141502A/en active Pending
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A313 | Final decision of rejection without a dissenting response from the applicant |
Effective date: 20040426 Free format text: JAPANESE INTERMEDIATE CODE: A313 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040525 |