DE3144263C2 - - Google Patents

Info

Publication number
DE3144263C2
DE3144263C2 DE19813144263 DE3144263A DE3144263C2 DE 3144263 C2 DE3144263 C2 DE 3144263C2 DE 19813144263 DE19813144263 DE 19813144263 DE 3144263 A DE3144263 A DE 3144263A DE 3144263 C2 DE3144263 C2 DE 3144263C2
Authority
DE
Germany
Prior art keywords
signal
biphase
bit
nrz
clock
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
DE19813144263
Other languages
German (de)
English (en)
Other versions
DE3144263A1 (de
Inventor
Werner Dipl.-Ing. 3007 Gehrden De Scholz
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.)
Deutsche Thomson OHG
Original Assignee
Telefunken Fernseh und Rundfunk GmbH
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 Telefunken Fernseh und Rundfunk GmbH filed Critical Telefunken Fernseh und Rundfunk GmbH
Priority to DE19813144263 priority Critical patent/DE3144263A1/de
Publication of DE3144263A1 publication Critical patent/DE3144263A1/de
Application granted granted Critical
Publication of DE3144263C2 publication Critical patent/DE3144263C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
    • 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
    • H04L25/4904—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 self-synchronising codes, e.g. split-phase codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Dc Digital Transmission (AREA)
DE19813144263 1981-11-07 1981-11-07 Demodulations- und fehlererkennungsschaltung fuer ein biphase-signal Granted DE3144263A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813144263 DE3144263A1 (de) 1981-11-07 1981-11-07 Demodulations- und fehlererkennungsschaltung fuer ein biphase-signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813144263 DE3144263A1 (de) 1981-11-07 1981-11-07 Demodulations- und fehlererkennungsschaltung fuer ein biphase-signal

Publications (2)

Publication Number Publication Date
DE3144263A1 DE3144263A1 (de) 1983-05-19
DE3144263C2 true DE3144263C2 (en, 2012) 1989-11-23

Family

ID=6145852

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813144263 Granted DE3144263A1 (de) 1981-11-07 1981-11-07 Demodulations- und fehlererkennungsschaltung fuer ein biphase-signal

Country Status (1)

Country Link
DE (1) DE3144263A1 (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0367830A4 (en) * 1988-02-29 1993-04-07 Kabushiki Kaisha Komatsu Seisakusho Series control unit and method of control
US5311508A (en) * 1991-12-23 1994-05-10 Square D Company Apparatus for receiving and decoding a serial data packet containing the status of a network of single point I/O devices
US6388717B1 (en) 1999-01-20 2002-05-14 Harris Corporation Digital television transmitting system having data and clock recovering circuit
EP1122900A1 (en) * 2000-01-31 2001-08-08 Harris Corporation Digital television transmitting system having data and clock recovering circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3671935A (en) * 1970-05-28 1972-06-20 Honeywell Inf Systems Method and apparatus for detecting binary data by polarity comparison

Also Published As

Publication number Publication date
DE3144263A1 (de) 1983-05-19

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: TELEFUNKEN FERNSEH UND RUNDFUNK GMBH, 3000 HANNOVE

AG Has addition no.

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8110 Request for examination paragraph 44
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D2 Grant after examination
8320 Willingness to grant licenses declared (paragraph 23)
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: THOMSON CONSUMER ELECTRONICS SALES GMBH, 30453 HAN