FI943659A - Method for receiving teletext data that is repeated in one or more cycles - Google Patents

Method for receiving teletext data that is repeated in one or more cycles Download PDF

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Publication number
FI943659A
FI943659A FI943659A FI943659A FI943659A FI 943659 A FI943659 A FI 943659A FI 943659 A FI943659 A FI 943659A FI 943659 A FI943659 A FI 943659A FI 943659 A FI943659 A FI 943659A
Authority
FI
Finland
Prior art keywords
base top
magazines
top table
teletext
transmitted
Prior art date
Application number
FI943659A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI943659A0 (en
FI107679B (en
Inventor
Gerhard Eitz
Karl-Ulrich Oberlies
Original Assignee
Konle Tilmar
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 Konle Tilmar filed Critical Konle Tilmar
Publication of FI943659A0 publication Critical patent/FI943659A0/en
Publication of FI943659A publication Critical patent/FI943659A/en
Application granted granted Critical
Publication of FI107679B publication Critical patent/FI107679B/en

Links

Classifications

    • 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
    • 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
    • H04N7/0884—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 for the transmission of additional display-information, e.g. menu for programme or channel selection
    • 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
    • H04N7/0882—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 for the transmission of character code signals, e.g. for teletext

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Television Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

In order to receive cyclically repeated teletext data, the latter are separated from the television signal, the data belonging to a teletext page are collected and the teletext pages which are combined to form 100-page magazines are placed in a buffer store. Here a base TOP table transmitted as a separate teletext page indicates which teletext pages have actually been transmitted. Depending on the evaluation of the base TOP table, a desired teletext page is sought only if its existence is indicated by the base TOP table. If two or more magazines are transmitted in parallel as separate cycles in the same television signal, an additional list is evaluated which is contained in the base TOP table of a magazine having such a table. This additional list gives in coded form the number and serial numbering of the maximum possible magazines and their mutual association, with any shared base TOP table. The list is evaluated by establishing how many magazines can be received at a given time and whether, and which, magazines are included in a shared base TOP table.
FI943659A 1992-02-06 1994-08-05 A method for receiving repetitive teletext data in one or more cycles FI107679B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4203309A DE4203309C1 (en) 1992-02-06 1992-02-06
DE4203309 1992-02-06
PCT/EP1992/002858 WO1993016555A1 (en) 1992-02-06 1992-12-10 Process for receiving teletext data which are repeated in one or more cycles
EP9202858 1992-12-10

Publications (3)

Publication Number Publication Date
FI943659A0 FI943659A0 (en) 1994-08-05
FI943659A true FI943659A (en) 1994-08-05
FI107679B FI107679B (en) 2001-09-14

Family

ID=6451028

Family Applications (1)

Application Number Title Priority Date Filing Date
FI943659A FI107679B (en) 1992-02-06 1994-08-05 A method for receiving repetitive teletext data in one or more cycles

Country Status (9)

Country Link
EP (1) EP0625298B1 (en)
JP (1) JP2742629B2 (en)
KR (1) KR0154560B1 (en)
AT (1) ATE156959T1 (en)
DE (2) DE4203309C1 (en)
DK (1) DK0625298T3 (en)
ES (1) ES2104955T3 (en)
FI (1) FI107679B (en)
WO (1) WO1993016555A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2159617T3 (en) * 1994-06-16 2001-10-16 Koninkl Philips Electronics Nv METHOD AND APPLIANCE TO TRANSMIT TELETEXT PAGES.
DE4423232A1 (en) * 1994-07-02 1996-01-04 Thomson Brandt Gmbh Process for minimizing the storage requirements for teletext data

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634757C1 (en) * 1986-10-11 1988-01-14 Bayerische Rundfunkwerbung Method for receiving periodically repeating teletext data
IT1240499B (en) * 1990-07-24 1993-12-17 Rai Radiotelevisione Italiana PERFECTED INFORMATION TRANSMISSION SYSTEM

Also Published As

Publication number Publication date
DE59208800D1 (en) 1997-09-18
FI943659A0 (en) 1994-08-05
EP0625298A1 (en) 1994-11-23
KR0154560B1 (en) 1998-11-16
DK0625298T3 (en) 1998-03-23
FI107679B (en) 2001-09-14
DE4203309C1 (en) 1993-01-21
EP0625298B1 (en) 1997-08-13
WO1993016555A1 (en) 1993-08-19
JP2742629B2 (en) 1998-04-22
KR950700670A (en) 1995-01-16
ES2104955T3 (en) 1997-10-16
JPH06511369A (en) 1994-12-15
ATE156959T1 (en) 1997-08-15

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Legal Events

Date Code Title Description
MA Patent expired