DE68909122D1 - Datenübertragung. - Google Patents

Datenübertragung.

Info

Publication number
DE68909122D1
DE68909122D1 DE89306282T DE68909122T DE68909122D1 DE 68909122 D1 DE68909122 D1 DE 68909122D1 DE 89306282 T DE89306282 T DE 89306282T DE 68909122 T DE68909122 T DE 68909122T DE 68909122 D1 DE68909122 D1 DE 68909122D1
Authority
DE
Germany
Prior art keywords
transmitted
data transmission
codes
blocks
chain code
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 - Fee Related
Application number
DE89306282T
Other languages
English (en)
Other versions
DE68909122T2 (de
Inventor
Adrian Paul Robinson
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.)
British Broadcasting Corp
Original Assignee
British Broadcasting 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 British Broadcasting Corp filed Critical British Broadcasting Corp
Application granted granted Critical
Publication of DE68909122D1 publication Critical patent/DE68909122D1/de
Publication of DE68909122T2 publication Critical patent/DE68909122T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04J3/0605—Special codes used as synchronising signal
    • H04J3/0611—PN codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/025—Systems for the transmission of digital non-picture data, e.g. of text during the active part of a television frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/081—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • H04N7/088—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only the inserted signal being digital
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE89306282T 1988-06-23 1989-06-22 Datenübertragung. Expired - Fee Related DE68909122T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888814976A GB8814976D0 (en) 1988-06-23 1988-06-23 Data transmission

Publications (2)

Publication Number Publication Date
DE68909122D1 true DE68909122D1 (de) 1993-10-21
DE68909122T2 DE68909122T2 (de) 1994-01-13

Family

ID=10639231

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89306282T Expired - Fee Related DE68909122T2 (de) 1988-06-23 1989-06-22 Datenübertragung.

Country Status (5)

Country Link
EP (1) EP0348188B1 (de)
AT (1) ATE94711T1 (de)
DE (1) DE68909122T2 (de)
ES (1) ES2045438T3 (de)
GB (2) GB8814976D0 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB975792A (de) * 1900-01-01
DE2827615B2 (de) * 1978-06-23 1981-08-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und Schaltungsanordnung zum Synchronisieren zwei oder mehrerer räumlich voneinander entfernter digital arbeitender nachrichtentechnischer Einrichtungen
US4577059A (en) * 1982-01-29 1986-03-18 Gretag Aktiengesellschaft Decoding process and apparatus
GB2124807B (en) * 1982-07-16 1985-11-27 British Broadcasting Corp Data transmission
SE435979B (sv) * 1983-03-14 1984-10-29 Ericsson Telefon Ab L M Anordning for kryptering/dekryptering av digitala meddelanden

Also Published As

Publication number Publication date
GB2220094B (en) 1991-11-20
DE68909122T2 (de) 1994-01-13
ES2045438T3 (es) 1994-01-16
ATE94711T1 (de) 1993-10-15
EP0348188B1 (de) 1993-09-15
GB2220094A (en) 1989-12-28
EP0348188A2 (de) 1989-12-27
GB8914330D0 (en) 1989-08-09
EP0348188A3 (en) 1990-07-18
GB8814976D0 (en) 1988-07-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee