GB1425637A - Television systems - Google Patents

Television systems

Info

Publication number
GB1425637A
GB1425637A GB756973A GB756973A GB1425637A GB 1425637 A GB1425637 A GB 1425637A GB 756973 A GB756973 A GB 756973A GB 756973 A GB756973 A GB 756973A GB 1425637 A GB1425637 A GB 1425637A
Authority
GB
United Kingdom
Prior art keywords
page
data
block
minute
transmitted
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
Application number
GB756973A
Other languages
English (en)
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
Priority to GB756973A priority Critical patent/GB1425637A/en
Priority to US441502A priority patent/US3927250A/en
Priority to JP49017720A priority patent/JPS49114824A/ja
Priority to DE2407414A priority patent/DE2407414C3/de
Publication of GB1425637A publication Critical patent/GB1425637A/en
Expired legal-status Critical Current

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
    • 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)
  • Television Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
GB756973A 1973-02-15 1973-02-15 Television systems Expired GB1425637A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB756973A GB1425637A (en) 1973-02-15 1973-02-15 Television systems
US441502A US3927250A (en) 1973-02-15 1974-02-11 Television system with transmission of auxiliary information
JP49017720A JPS49114824A (enExample) 1973-02-15 1974-02-15
DE2407414A DE2407414C3 (de) 1973-02-15 1974-02-15 Fernsehübertragungsverfahren

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB756973A GB1425637A (en) 1973-02-15 1973-02-15 Television systems

Publications (1)

Publication Number Publication Date
GB1425637A true GB1425637A (en) 1976-02-18

Family

ID=9835657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB756973A Expired GB1425637A (en) 1973-02-15 1973-02-15 Television systems

Country Status (4)

Country Link
US (1) US3927250A (enExample)
JP (1) JPS49114824A (enExample)
DE (1) DE2407414C3 (enExample)
GB (1) GB1425637A (enExample)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1478695A (en) * 1974-09-26 1977-07-06 Texas Instruments Ltd Data handling apparatus
DE2454227C3 (de) * 1974-11-15 1979-05-03 Blaupunkt-Werke Gmbh, 3200 Hildesheim Fernsehempfänger zum Empfang u. Auswerten von zusätzlichen Informationen in einem Fernsehsignal
US4042958A (en) * 1975-09-10 1977-08-16 Idr, Inc. Row grabbing system
GB1581440A (en) * 1976-06-21 1980-12-17 Texas Instruments Ltd Apparatus for displaying graphics symbols
US4185282A (en) * 1977-06-02 1980-01-22 Am International, Inc. Displayed keyboard indicia
AU517797B2 (en) * 1978-08-18 1981-08-27 THE MARCONI COMPANY LIMITED and STANDARD TELEPHONES CABLES LIMITED Transmission and reception of data by television
FR2457520A1 (fr) * 1979-05-23 1980-12-19 Telediffusion Fse Dispositif de selection de page pour systeme de teletexte
FR2496376B1 (fr) * 1980-12-11 1985-06-28 Signalisation Continental Procede et systeme de teletexte pour l'affichage de donnees sur l'ecran d'un recepteur de television
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
AU1104583A (en) * 1981-12-19 1983-06-30 Frederick William Chard Method and apparatus for editing the output of a television
US4429385A (en) 1981-12-31 1984-01-31 American Newspaper Publishers Association Method and apparatus for digital serial scanning with hierarchical and relational access
US4626909A (en) * 1983-05-03 1986-12-02 Sony Corporation Video signal recording and reproducing system with automatic channel and time selection
US4608603A (en) * 1983-07-18 1986-08-26 Harris Corporation Microprocessor driven video generator
SE8502273L (sv) * 1985-05-08 1986-11-09 Bengt Carlqvist Anordning for mottagning och presentation av vederprognoser och vederdata
US4920503A (en) * 1988-05-27 1990-04-24 Pc Connection, Inc. Computer remote control through a video signal
DE4028942A1 (de) * 1990-09-12 1992-03-19 Texas Instruments Deutschland Anordnung zum verarbeiten von teletext-informationen
US5387941A (en) * 1991-06-14 1995-02-07 Wavephore, Inc. Data with video transmitter
US5327237A (en) * 1991-06-14 1994-07-05 Wavephore, Inc. Transmitting data with video
US5559559A (en) * 1991-06-14 1996-09-24 Wavephore, Inc. Transmitting a secondary signal with dynamic injection level control
US5831679A (en) * 1991-06-14 1998-11-03 Wavephore, Inc. Network for retrieval and video transmission of information
US5617148A (en) * 1991-06-14 1997-04-01 Wavephore, Inc. Filter by-pass for transmitting an additional signal with a video signal
US5410360A (en) * 1991-06-14 1995-04-25 Wavephore, Inc. Timing control for injecting a burst and data into a video signal
JP3082820B2 (ja) * 1993-11-25 2000-08-28 ソニー株式会社 受信装置およびデジタルデータ受信処理方法
JP3068855B2 (ja) * 1994-01-14 2000-07-24 エロネックス・アイピー・ホールディングス・リミテッド ディスプレイ機能の遠隔制御
DE19522590C2 (de) * 1995-06-16 2001-05-17 Deutsche Telekom Ag Verfahren und Vorrichtung zur Zusatzdatenübertragung in TV-Kanälen
US6122010A (en) * 1996-12-16 2000-09-19 Vidicast Ltd. Television signal data transmission system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493674A (en) * 1965-05-28 1970-02-03 Rca Corp Television message system for transmitting auxiliary information during the vertical blanking interval of each television field
GB1147604A (en) * 1965-07-15 1969-04-02 Mullard Ltd Improvements in or relating to television transmission systems
US3576391A (en) * 1968-06-26 1971-04-27 Rca Corp Television system for transmitting auxiliary information during the vertical blanking interval

Also Published As

Publication number Publication date
JPS49114824A (enExample) 1974-11-01
DE2407414C3 (de) 1981-08-13
DE2407414A1 (de) 1974-08-29
US3927250A (en) 1975-12-16
DE2407414B2 (de) 1978-01-19

Similar Documents

Publication Publication Date Title
GB1425637A (en) Television systems
US3982064A (en) Combined television/data transmission system
GB1503051A (en) Secure television transmission system
GB1370535A (en) Transmission of alphanumeric data by television
US4044380A (en) Encoder and constructed answer system for television
US3982065A (en) Combined television/data receivers
GB1378811A (en) Synchronous programmable mixed format time division multiplexer
GB1311891A (en) Video data diesplay system
GB1475537A (en) Frame grabbing system
GB1103567A (en) Improvements in or relating to pulse transmission systems
GB1111181A (en) Multiplexing system
GB1264240A (enExample)
GB1581440A (en) Apparatus for displaying graphics symbols
GB1512440A (en) Subscriber digital multiplexing system with time division concentration
GB1331547A (en) Multiplexing and demultiplexing system for telegrphic or data transmission channels
GB1484344A (en) Multiplexing apparatus for panoramic sonar systems
NL6517225A (enExample)
GB1161993A (en) Improvements in or relating to PCM Systems
GB1457039A (enExample)
GB1524135A (en) Digital image memory
GB1378035A (en) Transmission of asynchronous information in a synchronous serial time division multiplex
SU1287222A1 (ru) Устройство дл отображени информации на экране телевизионного приемника
GB1363103A (en) Data synchronisation systems
RU1828553C (ru) Устройство дл ввода информации
GB1217696A (en) Electrical signal transmission systems

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee