GB2231470B - Teletext decoding apparatus - Google Patents

Teletext decoding apparatus

Info

Publication number
GB2231470B
GB2231470B GB8911993A GB8911993A GB2231470B GB 2231470 B GB2231470 B GB 2231470B GB 8911993 A GB8911993 A GB 8911993A GB 8911993 A GB8911993 A GB 8911993A GB 2231470 B GB2231470 B GB 2231470B
Authority
GB
United Kingdom
Prior art keywords
decoding apparatus
teletext decoding
teletext
decoding
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 - Lifetime
Application number
GB8911993A
Other versions
GB8911993D0 (en
GB2231470A (en
Inventor
Andrew Lynden Boon
Ian Charles Matthews
Gary Michael Thomas
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to GB8911993A priority Critical patent/GB2231470B/en
Publication of GB8911993D0 publication Critical patent/GB8911993D0/en
Publication of GB2231470A publication Critical patent/GB2231470A/en
Application granted granted Critical
Publication of GB2231470B publication Critical patent/GB2231470B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N7/035—Circuits for the digital non-picture data signal, e.g. for slicing of the data signal, for regeneration of the data-clock signal, for error detection or correction of the data signal
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
    • G09G5/222—Control of the character-code memory
    • 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)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Television Systems (AREA)
GB8911993A 1989-05-25 1989-05-25 Teletext decoding apparatus Expired - Lifetime GB2231470B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8911993A GB2231470B (en) 1989-05-25 1989-05-25 Teletext decoding apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8911993A GB2231470B (en) 1989-05-25 1989-05-25 Teletext decoding apparatus

Publications (3)

Publication Number Publication Date
GB8911993D0 GB8911993D0 (en) 1989-07-12
GB2231470A GB2231470A (en) 1990-11-14
GB2231470B true GB2231470B (en) 1993-06-30

Family

ID=10657309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8911993A Expired - Lifetime GB2231470B (en) 1989-05-25 1989-05-25 Teletext decoding apparatus

Country Status (1)

Country Link
GB (1) GB2231470B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2250404A (en) * 1990-11-30 1992-06-03 Philips Electronic Associated Teletext decoder scans background memory in reverse order
ES2084844T3 (en) * 1991-01-21 1996-05-16 Siemens Ag RECEIVING DEVICE FOR THE RECEPTION OF TELETEXT SIGNALS.
KR940002330B1 (en) * 1991-05-31 1994-03-23 삼성전자 주식회사 Teletext broadcasting display time auto-control apparatus
GB2257876B (en) * 1991-07-19 1995-04-26 Samsung Electronics Co Ltd Device for displaying teletext
US5734413A (en) * 1991-11-20 1998-03-31 Thomson Multimedia S.A. Transaction based interactive television system
US5343239A (en) * 1991-11-20 1994-08-30 Zing Systems, L.P. Transaction based interactive television system
KR930015842A (en) * 1991-12-18 1993-07-24 프레데릭 얀 스미트 Multipage Teletext Decoder
IT1257119B (en) * 1992-10-06 1996-01-05 Seleco Spa TELETEXT SIGNAL RECEIVER CIRCUIT WITH SEPARATE ACQUISITION AND DISPLAY FUNCTIONS.
IL107762A (en) * 1992-11-27 1997-03-18 Io Research Pty Limited West P Distributed database system and database receiver therefor
DE59509877D1 (en) * 1994-07-02 2002-01-10 Thomson Brandt Gmbh Method for storing teletext data
US5900913A (en) * 1995-09-26 1999-05-04 Thomson Consumer Electronics, Inc. System providing standby operation of an auxiliary data decoder in a television receiver
GB9718325D0 (en) * 1997-08-30 1997-11-05 Philips Electronics Nv Teletext
DE10233116A1 (en) * 2002-07-20 2004-02-05 Robert Bosch Gmbh Method for the transmission of non-video image data via a video interface

Also Published As

Publication number Publication date
GB8911993D0 (en) 1989-07-12
GB2231470A (en) 1990-11-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20090524