IT1142265B - Circuito di verifica di parita' per apparecchi di registrazione e riproduzione magnetica di dati - Google Patents

Circuito di verifica di parita' per apparecchi di registrazione e riproduzione magnetica di dati

Info

Publication number
IT1142265B
IT1142265B IT47674/81A IT4767481A IT1142265B IT 1142265 B IT1142265 B IT 1142265B IT 47674/81 A IT47674/81 A IT 47674/81A IT 4767481 A IT4767481 A IT 4767481A IT 1142265 B IT1142265 B IT 1142265B
Authority
IT
Italy
Prior art keywords
data recording
magnetic data
verification circuit
reproduction equipment
parity verification
Prior art date
Application number
IT47674/81A
Other languages
English (en)
Italian (it)
Other versions
IT8147674A0 (it
Inventor
Maurice G Lemoine
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of IT8147674A0 publication Critical patent/IT8147674A0/it
Application granted granted Critical
Publication of IT1142265B publication Critical patent/IT1142265B/it

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
IT47674/81A 1980-02-01 1981-01-30 Circuito di verifica di parita' per apparecchi di registrazione e riproduzione magnetica di dati IT1142265B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/117,745 US4321704A (en) 1980-02-01 1980-02-01 Parity checking circuitry for use in multi-bit cell PCM recording and reproducing apparatus

Publications (2)

Publication Number Publication Date
IT8147674A0 IT8147674A0 (it) 1981-01-30
IT1142265B true IT1142265B (it) 1986-10-08

Family

ID=22374594

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47674/81A IT1142265B (it) 1980-02-01 1981-01-30 Circuito di verifica di parita' per apparecchi di registrazione e riproduzione magnetica di dati

Country Status (8)

Country Link
US (1) US4321704A ( )
JP (1) JPS56156044A ( )
CA (1) CA1175141A ( )
DE (1) DE3103009A1 ( )
FR (5) FR2475340B1 ( )
GB (1) GB2069731B ( )
IT (1) IT1142265B ( )
NL (1) NL8100454A ( )

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530095A (en) * 1983-03-09 1985-07-16 At&T Bell Laboratories Comparison of digital bit streams using modified parity
JPS6057574A (ja) * 1983-09-08 1985-04-03 Sony Corp 信号処理装置
US4761782A (en) * 1987-03-09 1988-08-02 Eastman Kodak Company Error correction of digital image data by means of image redundancy
US5835507A (en) * 1995-07-21 1998-11-10 Chaw Khong Co., Ltd. Error sensing method for improving error control capability in data communications
JP4643334B2 (ja) * 2005-03-31 2011-03-02 富士通セミコンダクター株式会社 半導体記憶装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3037697A (en) * 1959-06-17 1962-06-05 Honeywell Regulator Co Information handling apparatus
US3387261A (en) * 1965-02-05 1968-06-04 Honeywell Inc Circuit arrangement for detection and correction of errors occurring in the transmission of digital data
US3511929A (en) * 1966-02-11 1970-05-12 Francis F Lee Method of and apparatus for picture storage and display employing time multiplexing and recording in multiple channels
US3463874A (en) * 1966-05-25 1969-08-26 Minnesota Mining & Mfg Dropout compensator for ntsc color television
US3601798A (en) * 1970-02-03 1971-08-24 Ibm Error correcting and detecting systems
US3634821A (en) * 1970-04-13 1972-01-11 Ibm Error correcting system
DE2237255B2 (de) * 1971-07-31 1975-10-09 K.K. Ricoh, Tokio Verfahren und Einrichtung zum Verarbeiten von Videosignalen
JPS5520283B2 ( ) * 1972-07-05 1980-06-02
GB1445337A (en) * 1972-08-24 1976-08-11 Independent Broadcastin Author Television systems
US3876978A (en) * 1973-06-04 1975-04-08 Ibm Archival data protection
US3831144A (en) * 1973-06-11 1974-08-20 Motorola Inc Multi-level error detection code
US3911261A (en) * 1974-09-09 1975-10-07 Ibm Parity prediction and checking network
DE2602420A1 (de) * 1976-01-23 1977-07-28 Basf Ag Farbvideo-aufzeichnungs-/wiedergabesystem
US4016409A (en) * 1976-03-01 1977-04-05 Burroughs Corporation Longitudinal parity generator for use with a memory
US4044328A (en) * 1976-06-22 1977-08-23 Bell & Howell Company Data coding and error correcting methods and apparatus
US4146099A (en) * 1976-08-17 1979-03-27 Christopher Scientific Company Signal recording method and apparatus
US4044388A (en) * 1976-10-05 1977-08-23 Eastman Kodak Company Interactive servo control system for use with a rotating-head magnetic tape player
US4122477A (en) * 1977-01-28 1978-10-24 Ampex Corporation Method and apparatus for inserting synchronizing words in a digitalized television signal data stream
US4110735A (en) * 1977-05-12 1978-08-29 Rca Corporation Error detection and correction
US4119945A (en) * 1977-07-01 1978-10-10 Rca Corporation Error detection and correction
US4150397A (en) * 1977-09-13 1979-04-17 Eli S. Jacobs Repetition reduced digital data record and playback system
JPS5448210A (en) * 1977-09-26 1979-04-16 Sony Corp Automatic tracking system
CA1135841A (en) * 1978-02-02 1982-11-16 John L.E. Baldwin Digital tape recording
US4211997A (en) * 1978-11-03 1980-07-08 Ampex Corporation Method and apparatus employing an improved format for recording and reproducing digital audio
JPS5651174A (en) * 1979-10-04 1981-05-08 Sony Corp Reproducing device of video signal
JPS5677912A (en) * 1979-11-28 1981-06-26 Sony Corp Digital recorder for video signal

Also Published As

Publication number Publication date
FR2594282A1 (fr) 1987-08-14
FR2475340A1 (fr) 1981-08-07
FR2594285B1 (fr) 1994-01-14
FR2475340B1 (fr) 1989-06-23
DE3103009C2 ( ) 1988-03-31
DE3103009A1 (de) 1981-12-17
CA1175141A (en) 1984-09-25
FR2594284A1 (fr) 1987-08-14
JPS56156044A (en) 1981-12-02
NL8100454A (nl) 1981-09-01
FR2594285A1 (fr) 1987-08-14
US4321704A (en) 1982-03-23
GB2069731B (en) 1984-10-03
GB2069731A (en) 1981-08-26
FR2594283A1 (fr) 1987-08-14
IT8147674A0 (it) 1981-01-30
FR2594282B1 (fr) 1993-07-16

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