GB2180712B - Improvements relating to optical coded data transmission systems - Google Patents

Improvements relating to optical coded data transmission systems

Info

Publication number
GB2180712B
GB2180712B GB8523009A GB8523009A GB2180712B GB 2180712 B GB2180712 B GB 2180712B GB 8523009 A GB8523009 A GB 8523009A GB 8523009 A GB8523009 A GB 8523009A GB 2180712 B GB2180712 B GB 2180712B
Authority
GB
United Kingdom
Prior art keywords
data transmission
coded data
transmission systems
improvements relating
optical coded
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
Application number
GB8523009A
Other versions
GB8523009D0 (en
GB2180712A (en
Inventor
John Philip Dakin
Michael George Holliday
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8523009A priority Critical patent/GB2180712B/en
Publication of GB8523009D0 publication Critical patent/GB8523009D0/en
Publication of GB2180712A publication Critical patent/GB2180712A/en
Application granted granted Critical
Publication of GB2180712B publication Critical patent/GB2180712B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/066—Multilevel decisions, not including self-organising maps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length
GB8523009A 1985-09-18 1985-09-18 Improvements relating to optical coded data transmission systems Expired GB2180712B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8523009A GB2180712B (en) 1985-09-18 1985-09-18 Improvements relating to optical coded data transmission systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8523009A GB2180712B (en) 1985-09-18 1985-09-18 Improvements relating to optical coded data transmission systems

Publications (3)

Publication Number Publication Date
GB8523009D0 GB8523009D0 (en) 1985-10-23
GB2180712A GB2180712A (en) 1987-04-01
GB2180712B true GB2180712B (en) 1989-11-01

Family

ID=10585326

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8523009A Expired GB2180712B (en) 1985-09-18 1985-09-18 Improvements relating to optical coded data transmission systems

Country Status (1)

Country Link
GB (1) GB2180712B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2342136T3 (en) * 1996-07-24 2010-07-01 Robert Bosch Gmbh PROCEDURE FOR SYNCHRONIZING DATA AND TRANSMISSION INTERFACE.
DE19808575A1 (en) * 1997-11-25 1999-05-27 Itt Mfg Enterprises Inc Signal processing method for encoded data
WO1999027675A1 (en) * 1997-11-25 1999-06-03 Continental Teves Ag & Co. Ohg Method and device for preprocessing a received, data coded transmitting signal
FI115864B (en) 1999-09-06 2005-07-29 Nokia Corp Serial interface and method for transferring digital data over a serial interface

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1197021A (en) * 1968-03-26 1970-07-01 Marconi Co Ltd Improvements in or relating to Apparatus for Storing and Taking Off Digital Signal Information

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1197021A (en) * 1968-03-26 1970-07-01 Marconi Co Ltd Improvements in or relating to Apparatus for Storing and Taking Off Digital Signal Information

Also Published As

Publication number Publication date
GB8523009D0 (en) 1985-10-23
GB2180712A (en) 1987-04-01

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950918