FR2408254A1 - Circuit de traitement d'information numerique pour magnetophone - Google Patents

Circuit de traitement d'information numerique pour magnetophone

Info

Publication number
FR2408254A1
FR2408254A1 FR7830870A FR7830870A FR2408254A1 FR 2408254 A1 FR2408254 A1 FR 2408254A1 FR 7830870 A FR7830870 A FR 7830870A FR 7830870 A FR7830870 A FR 7830870A FR 2408254 A1 FR2408254 A1 FR 2408254A1
Authority
FR
France
Prior art keywords
digital information
information processing
vcr
processing circuit
relates
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.)
Granted
Application number
FR7830870A
Other languages
English (en)
Other versions
FR2408254B1 (fr
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2408254A1 publication Critical patent/FR2408254A1/fr
Application granted granted Critical
Publication of FR2408254B1 publication Critical patent/FR2408254B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/06—Speed or phase control by synchronisation signals the synchronisation signals differing from the information signals in amplitude, polarity or frequency or length

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Communication Control (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Magnetic Recording (AREA)

Abstract

L'INVENTION CONCERNE LES CIRCUITS DE TRAITEMENT D'INFORMATION NUMERIQUE. ELLE SE RAPPORTE A UN CIRCUIT DESTINE A METTRE UNE INFORMATION NUMERIQUE SERIE EN CODE MILLER MODIFIE DANS LEQUEL L'INFORMATION EST GROUPEE EN TRAMES PAR DES SIGNAUX DE SYNCHRONISATION FORMES PAR DES BASCULEURS 20, 26 QUI INHIBENT UNE TRANSITION NORMALEMENT NECESSAIRE ENTRE DEUX ZEROS SUCCESSIFS, AVEC CREATION D'UNE IMPULSION AYANT TROIS FOIS LA DUREE D'UNE CELLULE UNITAIRE ET UNE QUATRIEME FREQUENCE QUI N'EST PAS NORMALEMENT PRESENTE. APPLICATION AUX MAGNETOPHONES NUMERIQUES POUR USAGE PROFESSIONNEL.
FR7830870A 1977-11-02 1978-10-31 Circuit de traitement d'information numerique pour magnetophone Expired FR2408254B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/847,924 US4124778A (en) 1977-11-02 1977-11-02 Digital frame synchronizing circuit

Publications (2)

Publication Number Publication Date
FR2408254A1 true FR2408254A1 (fr) 1979-06-01
FR2408254B1 FR2408254B1 (fr) 1987-03-06

Family

ID=25301842

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830870A Expired FR2408254B1 (fr) 1977-11-02 1978-10-31 Circuit de traitement d'information numerique pour magnetophone

Country Status (17)

Country Link
US (1) US4124778A (fr)
JP (1) JPS6028455B2 (fr)
AT (1) AT373412B (fr)
AU (1) AU513314B2 (fr)
BR (1) BR7807241A (fr)
CH (1) CH642795A5 (fr)
DE (1) DE2847800C2 (fr)
DK (1) DK149279C (fr)
FR (1) FR2408254B1 (fr)
GB (1) GB2007466B (fr)
IT (1) IT1107989B (fr)
MX (1) MX148070A (fr)
NL (1) NL179860C (fr)
NO (1) NO151485C (fr)
PL (1) PL119103B1 (fr)
SE (1) SE433791B (fr)
ZA (1) ZA785432B (fr)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2740997C2 (de) * 1977-09-12 1979-09-13 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren zur Zeitmultiplex-Rahmensynchronisierung mit Hilfe variabler Synchronisierworte
US4232388A (en) * 1977-11-04 1980-11-04 Mca Disco-Vision, Inc. Method and means for encoding and decoding digital data
US4276656A (en) * 1979-03-19 1981-06-30 Honeywell Information Systems Inc. Apparatus and method for replacement of a parallel, computer-to-peripheral wire link with a serial optical link
US4361895A (en) * 1980-07-28 1982-11-30 Ontel Corporation Manchester decoder
FR2508254A1 (fr) * 1981-06-22 1982-12-24 Roche Bernard Circuits integres monolithiques " codec + filtres "
JPS59217217A (ja) * 1983-05-25 1984-12-07 Matsushita Electric Ind Co Ltd 同期抽出方法
JPH0646491B2 (ja) * 1983-05-25 1994-06-15 松下電器産業株式会社 同期信号方式
JPS59217213A (ja) * 1983-05-25 1984-12-07 Matsushita Electric Ind Co Ltd 同期信号方式
US4531210A (en) * 1983-06-22 1985-07-23 Gte Automatic Electric Incorporated Digital span reframing circuit
DE3331205A1 (de) * 1983-08-30 1985-03-14 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Synchronmuster
GB2147477B (en) * 1983-09-28 1987-07-08 Philips Electronic Associated Data transmitter data receiver and data transmission system
US4635280A (en) * 1985-05-28 1987-01-06 Harris Corporation Bit synchronizer for decoding data
JPS62202361A (ja) * 1986-02-28 1987-09-07 Sharp Corp 同期情報の検出装置
US4879727A (en) * 1986-09-05 1989-11-07 Advanced Micro Devices Inc. Adaptive threshold sampling controller
US4752841A (en) * 1986-12-19 1988-06-21 Eastman Kodak Company Address mark encoding for a record storage medium
IT1199815B (it) * 1986-12-19 1989-01-05 Rai Radiotelevisione Italiana Procedimento per la radiodiffusione di segnali digitali,particolarmente di programmi e dati per elaboratori,e procedimento e apparato per la ricezione di tali segnali
US4928187A (en) * 1987-02-20 1990-05-22 Laserdrive Limited Method and apparatus for encoding and decoding binary data
JPH01141436A (ja) * 1987-11-27 1989-06-02 Sony Corp フレーム同期化方法
US5168275A (en) * 1990-02-07 1992-12-01 International Business Machines Corporation Method and apparatus for decoding two frequency (f/2f) data signals
SE501156C2 (sv) * 1993-04-21 1994-11-28 Ellemtel Utvecklings Ab Referenssignal sammansatt av klocksignal och synkroniseringssignal, anordning och förfarande för synkronisering m.h.a. referenssignal
JP3394127B2 (ja) 1995-12-05 2003-04-07 株式会社東芝 ディジタルデータの伝送方法
US6901127B1 (en) * 2000-04-26 2005-05-31 Sigmatel, Inc. Method and apparatus for data recovery
US6708239B1 (en) * 2000-12-08 2004-03-16 The Boeing Company Network device interface for digitally interfacing data channels to a controller via a network
KR100522388B1 (ko) * 2001-04-26 2005-10-18 더 보잉 캄파니 네트워크 버스에 의해 이벤트 트리거를 생성하기 위한시스템, 방법, 및 제어기
US7170870B2 (en) * 2002-05-07 2007-01-30 Microsoft Corporation Data packet transmission for channel-sharing collocated wireless devices
US20040194001A1 (en) * 2002-12-31 2004-09-30 Yao Ting CRC checking and error tagging system and method for audio data
US8144802B2 (en) 2007-10-16 2012-03-27 Semiconductor Components Industries, Llc Digital data encoding and decoding method and system
EP2720051B1 (fr) * 2012-10-10 2015-01-21 Sick Ag Système de sécurité
KR102020358B1 (ko) * 2013-03-14 2019-11-05 삼성전자 주식회사 단말 및 그 단말에서 애플리케이션 동기화 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156893A (en) * 1962-08-17 1964-11-10 Rca Corp Self-referenced digital pm receiving system
FR1521085A (fr) * 1967-04-27 1968-04-12 Westinghouse Air Brake Co Procédé pour la transmission de messages codés en binaires
US3493962A (en) * 1966-08-30 1970-02-03 Rca Corp Converter for self-clocking digital signals
DE2546793A1 (de) * 1975-10-18 1977-04-21 Hentschel Systemgesellschaft M Verfahren und einrichtung zur rahmensynchronisation bei der uebertragung von pcm-signalen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3108261A (en) * 1960-04-11 1963-10-22 Ampex Recording and/or reproducing system
US4010421A (en) * 1971-12-06 1977-03-01 Telefonaktiebolaget L M Ericsson Synchronization method for the recovery of binary signals
US4020282A (en) * 1974-01-14 1977-04-26 General Dynamics Corporation High density data processing system
GB1532444A (en) * 1975-03-26 1978-11-15 Micro Consultants Ltd Synchronising data for digital storage systems
US4002845A (en) * 1975-03-26 1977-01-11 Digital Communications Corporation Frame synchronizer
US4054754A (en) * 1976-06-07 1977-10-18 Bell Telephone Laboratories, Incorporated Arrangement for transmitting digital data and synchronizing information

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156893A (en) * 1962-08-17 1964-11-10 Rca Corp Self-referenced digital pm receiving system
US3493962A (en) * 1966-08-30 1970-02-03 Rca Corp Converter for self-clocking digital signals
FR1521085A (fr) * 1967-04-27 1968-04-12 Westinghouse Air Brake Co Procédé pour la transmission de messages codés en binaires
DE2546793A1 (de) * 1975-10-18 1977-04-21 Hentschel Systemgesellschaft M Verfahren und einrichtung zur rahmensynchronisation bei der uebertragung von pcm-signalen

Also Published As

Publication number Publication date
JPS6028455B2 (ja) 1985-07-04
JPS5474717A (en) 1979-06-15
DK149279C (da) 1987-01-19
BR7807241A (pt) 1979-05-15
MX148070A (es) 1983-03-10
PL119103B1 (en) 1981-11-30
NL179860C (nl) 1986-11-17
NO151485C (no) 1985-04-17
IT7851734A0 (it) 1978-10-31
DE2847800C2 (de) 1985-12-05
FR2408254B1 (fr) 1987-03-06
ZA785432B (en) 1979-09-26
AT373412B (de) 1984-01-25
IT1107989B (it) 1985-12-02
SE433791B (sv) 1984-06-12
NO783653L (no) 1979-05-03
GB2007466A (en) 1979-05-16
DK483178A (da) 1979-05-03
NL7810781A (nl) 1979-05-04
US4124778A (en) 1978-11-07
AU4125778A (en) 1979-05-17
AU513314B2 (en) 1980-11-27
CH642795A5 (de) 1984-04-30
PL210623A1 (pl) 1979-07-16
ATA777778A (de) 1983-05-15
NO151485B (no) 1985-01-02
GB2007466B (en) 1982-03-03
DE2847800A1 (de) 1979-05-03
DK149279B (da) 1986-04-14
NL179860B (nl) 1986-06-16
SE7811223L (sv) 1979-05-03

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Legal Events

Date Code Title Description
ST Notification of lapse