JPS498887B1 - - Google Patents

Info

Publication number
JPS498887B1
JPS498887B1 JP45059156A JP5915670A JPS498887B1 JP S498887 B1 JPS498887 B1 JP S498887B1 JP 45059156 A JP45059156 A JP 45059156A JP 5915670 A JP5915670 A JP 5915670A JP S498887 B1 JPS498887 B1 JP S498887B1
Authority
JP
Japan
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.)
Pending
Application number
JP45059156A
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 filed Critical
Publication of JPS498887B1 publication Critical patent/JPS498887B1/ja
Pending 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
    • 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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
JP45059156A 1969-07-22 1970-07-08 Pending JPS498887B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US84352269A 1969-07-22 1969-07-22

Publications (1)

Publication Number Publication Date
JPS498887B1 true JPS498887B1 (ja) 1974-02-28

Family

ID=25290251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP45059156A Pending JPS498887B1 (ja) 1969-07-22 1970-07-08

Country Status (5)

Country Link
US (1) US3623041A (ja)
JP (1) JPS498887B1 (ja)
DE (1) DE2036223A1 (ja)
FR (1) FR2053059B1 (ja)
GB (1) GB1257157A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859655A (en) * 1970-10-01 1975-01-07 Nederlanden Staat System for the transfer of two states by multiple scanning
US3905029A (en) * 1970-12-01 1975-09-09 Gen Motors Corp Method and apparatus for encoding and decoding digital data
US3750121A (en) * 1971-06-18 1973-07-31 Honeywell Inc Address marker encoder in three frequency recording
US4001811A (en) * 1972-01-28 1977-01-04 General Motors Corporation Method and apparatus for coding and decoding digital information
US3927401A (en) * 1972-11-24 1975-12-16 Gen Motors Corp Method and apparatus for coding and decoding digital data
US3836904A (en) * 1972-12-12 1974-09-17 Robertshaw Controls Co Output encoder and line driver
US3810111A (en) * 1972-12-26 1974-05-07 Ibm Data coding with stable base line for recording and transmitting binary data
US3815122A (en) * 1973-01-02 1974-06-04 Gte Information Syst Inc Data converting apparatus
US3828344A (en) * 1973-01-02 1974-08-06 Gte Information Syst Inc Double density to nrz code converter
US3810235A (en) * 1973-03-23 1974-05-07 Bell Telephone Labor Inc Adaptive data readout timing arrangement
FR2234708B1 (ja) * 1973-06-22 1976-09-17 Thomson Csf
US4129888A (en) * 1973-07-02 1978-12-12 General Instrument Corporation Data recording and/or reproducing system
US3848251A (en) * 1973-07-02 1974-11-12 Ibm Logical circuitry for recovering rpm decoded prm recorded data
US4212038A (en) * 1978-01-03 1980-07-08 Honeywell Information Systems Inc. Double density read recovery
US4437086A (en) 1978-10-05 1984-03-13 Ampex Corporation Limited look-ahead means
US4227184A (en) * 1978-12-19 1980-10-07 International Standard Electric Corporation Modified Miller Code encoder
NL8003476A (nl) * 1980-06-16 1982-01-18 Philips Nv Werkwijze voor het coderen van databits op een regis- tratiedrager, inrichting voor het uitvoeren van de werkwijze, registratiedrager voorzien van een infor- matiestructuur en inrichting voor het decoderen van het van de registratiedrager uitgelezen signaal.
NL8003474A (nl) * 1980-06-16 1982-01-18 Philips Nv Werkwijze voor het coderen van databits op een regis- tratiedrager, inrichting voor het uitvoeren van de werkwijze en registratiedrager voorzien van een informatiestructuur.
JPS601956A (ja) * 1983-06-17 1985-01-08 Sony Corp デイジタルデ−タの変調方法
GB2147477B (en) * 1983-09-28 1987-07-08 Philips Electronic Associated Data transmitter data receiver and data transmission system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3488663A (en) * 1961-05-25 1970-01-06 Rca Corp Apparatus for comparison and correction of successive recorded pulses
US3374475A (en) * 1965-05-24 1968-03-19 Potter Instrument Co Inc High density recording system
US3482228A (en) * 1965-10-21 1969-12-02 Sperry Rand Corp Write circuit for a phase modulation system
GB1143694A (ja) * 1966-11-14

Also Published As

Publication number Publication date
DE2036223A1 (de) 1971-02-04
US3623041A (en) 1971-11-23
FR2053059B1 (ja) 1974-03-15
GB1257157A (ja) 1971-12-15
FR2053059A1 (ja) 1971-04-16

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