FR2098178B1 - - Google Patents

Info

Publication number
FR2098178B1
FR2098178B1 FR7124531A FR7124531A FR2098178B1 FR 2098178 B1 FR2098178 B1 FR 2098178B1 FR 7124531 A FR7124531 A FR 7124531A FR 7124531 A FR7124531 A FR 7124531A FR 2098178 B1 FR2098178 B1 FR 2098178B1
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
FR7124531A
Other languages
French (fr)
Other versions
FR2098178A1 (OSRAM
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.)
Bull HN Information Systems Italia SpA
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
Honeywell Information Systems Inc
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 Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of FR2098178A1 publication Critical patent/FR2098178A1/fr
Application granted granted Critical
Publication of FR2098178B1 publication Critical patent/FR2098178B1/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
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code

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)
  • Manipulation Of Pulses (AREA)
  • Dc Digital Transmission (AREA)
FR7124531A 1970-07-06 1971-07-05 Expired FR2098178B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5232870A 1970-07-06 1970-07-06

Publications (2)

Publication Number Publication Date
FR2098178A1 FR2098178A1 (OSRAM) 1972-03-10
FR2098178B1 true FR2098178B1 (OSRAM) 1976-03-19

Family

ID=21976889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124531A Expired FR2098178B1 (OSRAM) 1970-07-06 1971-07-05

Country Status (6)

Country Link
US (1) US3697977A (OSRAM)
JP (1) JPS5524164B1 (OSRAM)
CA (1) CA946516A (OSRAM)
DE (1) DE2133610A1 (OSRAM)
FR (1) FR2098178B1 (OSRAM)
GB (1) GB1351863A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836904A (en) * 1972-12-12 1974-09-17 Robertshaw Controls Co Output encoder and line driver
US3828344A (en) * 1973-01-02 1974-08-06 Gte Information Syst Inc Double density to nrz code converter
US3815122A (en) * 1973-01-02 1974-06-04 Gte Information Syst Inc Data converting apparatus
US3867574A (en) * 1973-06-20 1975-02-18 Gen Motors Corp Three phase jump encoder and decoder
FR2234708B1 (OSRAM) * 1973-06-22 1976-09-17 Thomson Csf
US4329719A (en) * 1977-11-05 1982-05-11 Sony Corporation Apparatus for generating time code signals

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414894A (en) * 1965-06-29 1968-12-03 Rca Corp Magnetic recording and reproducing of digital information
US3452348A (en) * 1965-06-29 1969-06-24 Rca Corp Conversion from self-clocking code to nrz code
US3500385A (en) * 1967-07-17 1970-03-10 Ibm Coded data storage and retrieval system

Also Published As

Publication number Publication date
GB1351863A (en) 1974-05-01
CA946516A (en) 1974-04-30
US3697977A (en) 1972-10-10
FR2098178A1 (OSRAM) 1972-03-10
JPS5524164B1 (OSRAM) 1980-06-27
DE2133610A1 (de) 1972-01-13

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Legal Events

Date Code Title Description
ST Notification of lapse