IT1185411B - Separatore digitale di dati - Google Patents

Separatore digitale di dati

Info

Publication number
IT1185411B
IT1185411B IT22430/85A IT2243085A IT1185411B IT 1185411 B IT1185411 B IT 1185411B IT 22430/85 A IT22430/85 A IT 22430/85A IT 2243085 A IT2243085 A IT 2243085A IT 1185411 B IT1185411 B IT 1185411B
Authority
IT
Italy
Prior art keywords
digital data
data separator
separator
digital
data
Prior art date
Application number
IT22430/85A
Other languages
English (en)
Other versions
IT8522430A0 (it
Inventor
Bonifacio Troletti
Original Assignee
Honeywell Inf Systems
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 Honeywell Inf Systems filed Critical Honeywell Inf Systems
Priority to IT22430/85A priority Critical patent/IT1185411B/it
Publication of IT8522430A0 publication Critical patent/IT8522430A0/it
Priority to US06/910,706 priority patent/US4743982A/en
Priority to DE8686113529T priority patent/DE3676164D1/de
Priority to EP86113529A priority patent/EP0222133B1/en
Priority to KR1019860008570A priority patent/KR920005299B1/ko
Application granted granted Critical
Publication of IT1185411B publication Critical patent/IT1185411B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • 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
    • 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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
IT22430/85A 1985-10-10 1985-10-10 Separatore digitale di dati IT1185411B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT22430/85A IT1185411B (it) 1985-10-10 1985-10-10 Separatore digitale di dati
US06/910,706 US4743982A (en) 1985-10-10 1986-09-23 Digital data separator
DE8686113529T DE3676164D1 (de) 1985-10-10 1986-10-01 Trennschaltung fuer digitale daten.
EP86113529A EP0222133B1 (en) 1985-10-10 1986-10-01 Digital data separator
KR1019860008570A KR920005299B1 (ko) 1985-10-10 1986-10-10 디지틀 데이타 분리장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22430/85A IT1185411B (it) 1985-10-10 1985-10-10 Separatore digitale di dati

Publications (2)

Publication Number Publication Date
IT8522430A0 IT8522430A0 (it) 1985-10-10
IT1185411B true IT1185411B (it) 1987-11-12

Family

ID=11196204

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22430/85A IT1185411B (it) 1985-10-10 1985-10-10 Separatore digitale di dati

Country Status (5)

Country Link
US (1) US4743982A (it)
EP (1) EP0222133B1 (it)
KR (1) KR920005299B1 (it)
DE (1) DE3676164D1 (it)
IT (1) IT1185411B (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5720052A (en) * 1980-07-11 1982-02-02 Toshiba Corp Input data synchronizing circuit
IT1206332B (it) * 1983-10-25 1989-04-14 Honeywell Inf Systems Apparato digitale per sistema di recupero di informazioni binarie registrate su supporti magnetici.
IT1200426B (it) * 1985-03-21 1989-01-18 Honeywell Inf Systems Apparato digitale per sistema di recupero di informazioni binarie registrate su supporti magnetici

Also Published As

Publication number Publication date
EP0222133A3 (en) 1988-10-26
IT8522430A0 (it) 1985-10-10
DE3676164D1 (de) 1991-01-24
EP0222133A2 (en) 1987-05-20
EP0222133B1 (en) 1990-12-12
KR870004375A (ko) 1987-05-09
KR920005299B1 (ko) 1992-06-29
US4743982A (en) 1988-05-10

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931029