GB1590404A - Methods of and apparatus for encoding and recovering binary digital signals - Google Patents

Methods of and apparatus for encoding and recovering binary digital signals Download PDF

Info

Publication number
GB1590404A
GB1590404A GB2901177A GB2901177A GB1590404A GB 1590404 A GB1590404 A GB 1590404A GB 2901177 A GB2901177 A GB 2901177A GB 2901177 A GB2901177 A GB 2901177A GB 1590404 A GB1590404 A GB 1590404A
Authority
GB
United Kingdom
Prior art keywords
signal
encoded
word
words
shift register
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
GB2901177A
Other languages
English (en)
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.)
Unisys Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1590404A publication Critical patent/GB1590404A/en
Expired 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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • 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
    • G11B20/10009—Improvement or modification of read or write signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
GB2901177A 1976-07-14 1977-07-11 Methods of and apparatus for encoding and recovering binary digital signals Expired GB1590404A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70519976A 1976-07-14 1976-07-14

Publications (1)

Publication Number Publication Date
GB1590404A true GB1590404A (en) 1981-06-03

Family

ID=24832463

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2901177A Expired GB1590404A (en) 1976-07-14 1977-07-11 Methods of and apparatus for encoding and recovering binary digital signals

Country Status (10)

Country Link
JP (1) JPS5311011A (enrdf_load_stackoverflow)
CA (1) CA1122711A (enrdf_load_stackoverflow)
CH (1) CH629347A5 (enrdf_load_stackoverflow)
DE (1) DE2731516C2 (enrdf_load_stackoverflow)
ES (1) ES460639A1 (enrdf_load_stackoverflow)
FR (1) FR2358786A1 (enrdf_load_stackoverflow)
GB (1) GB1590404A (enrdf_load_stackoverflow)
IT (1) IT1083796B (enrdf_load_stackoverflow)
NL (1) NL7707702A (enrdf_load_stackoverflow)
SE (1) SE428255B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127256A (en) * 1982-09-15 1984-04-04 Philips Nv Method of encoding a stream of data bits device for carrying out the method and device for decoding the encoded stream

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55138950A (en) * 1979-04-17 1980-10-30 Mitsubishi Electric Corp Digital signal modulation and demodulation system
JPS55141852A (en) * 1979-04-24 1980-11-06 Sony Corp Data converting system
FR2466913A1 (fr) * 1979-10-01 1981-04-10 Thomson Csf Procede et dispositif de codage de donnees binaires, dispositifs de decodage des donnees codees et systemes de transmission comportant de tels dispositifs
US4496934A (en) * 1980-09-05 1985-01-29 Mitsubishi Denki Kabushiki Kaisha Encoding and decoding systems for binary data
US4544962A (en) * 1981-07-06 1985-10-01 Matsushita Electric Industrial Co., Ltd. Method and apparatus for processing binary data
JPS5864608A (ja) * 1981-10-15 1983-04-18 Victor Co Of Japan Ltd デイジタル信号記録再生方式
US4802154A (en) * 1983-10-13 1989-01-31 Laser Magnetic Storage International Company High density codes for optical recording
DE3416547C2 (de) * 1983-10-13 1994-10-06 Philips Nv Aufzeichnungsträger mit Symbolen mit einer vorgegebenen Anzahl von Symbolstellen und optische Aufzeichnungsvorrichtung
JP2615588B2 (ja) * 1987-02-17 1997-05-28 ソニー株式会社 デイジタルパルス復調回路
JP2545817B2 (ja) * 1986-12-27 1996-10-23 ソニー株式会社 デジタルパルス変調回路
JP2014179964A (ja) * 2013-04-16 2014-09-25 Ishida Co Ltd 符号化装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482228A (en) * 1965-10-21 1969-12-02 Sperry Rand Corp Write circuit for a phase modulation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127256A (en) * 1982-09-15 1984-04-04 Philips Nv Method of encoding a stream of data bits device for carrying out the method and device for decoding the encoded stream

Also Published As

Publication number Publication date
CA1122711A (en) 1982-04-27
DE2731516A1 (de) 1978-02-23
FR2358786A1 (fr) 1978-02-10
ES460639A1 (es) 1978-12-01
IT1083796B (it) 1985-05-25
JPS5311011A (en) 1978-02-01
NL7707702A (nl) 1978-01-17
CH629347A5 (en) 1982-04-15
DE2731516C2 (de) 1984-12-06
SE428255B (sv) 1983-06-13
FR2358786B1 (enrdf_load_stackoverflow) 1982-10-29
SE7708112L (sv) 1978-01-15
JPS6214909B2 (enrdf_load_stackoverflow) 1987-04-04

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19970710