FR2182490A5 - - Google Patents

Info

Publication number
FR2182490A5
FR2182490A5 FR7314603A FR7314603A FR2182490A5 FR 2182490 A5 FR2182490 A5 FR 2182490A5 FR 7314603 A FR7314603 A FR 7314603A FR 7314603 A FR7314603 A FR 7314603A FR 2182490 A5 FR2182490 A5 FR 2182490A5
Authority
FR
France
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
FR7314603A
Other languages
French (fr)
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of FR2182490A5 publication Critical patent/FR2182490A5/fr
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
    • H04L25/38—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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FR7314603A 1972-04-28 1973-04-20 Expired FR2182490A5 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722221134 DE2221134A1 (de) 1972-04-28 1972-04-28 Verfahren zur erkennung der in von einem sendersystem ankommenden sendeschwingungen enthaltenen informationen in einem empfaengersystem

Publications (1)

Publication Number Publication Date
FR2182490A5 true FR2182490A5 (ja) 1973-12-07

Family

ID=5843658

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7314603A Expired FR2182490A5 (ja) 1972-04-28 1973-04-20

Country Status (6)

Country Link
BE (1) BE798833A (ja)
DE (1) DE2221134A1 (ja)
FR (1) FR2182490A5 (ja)
IT (1) IT983983B (ja)
LU (1) LU67500A1 (ja)
NL (1) NL7305598A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3322623A1 (de) * 1983-06-23 1985-01-03 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum wiedergewinnen von in binaeren datensignalen enthaltenden daten
JPH0721843B2 (ja) * 1983-12-26 1995-03-08 株式会社日立製作所 波形等化器

Also Published As

Publication number Publication date
LU67500A1 (ja) 1973-10-30
NL7305598A (ja) 1973-10-30
BE798833A (fr) 1973-10-29
IT983983B (it) 1974-11-11
DE2221134A1 (de) 1973-11-08

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Legal Events

Date Code Title Description
ST Notification of lapse