GB1486772A - Television systems - Google Patents

Television systems

Info

Publication number
GB1486772A
GB1486772A GB3620673A GB3620673A GB1486772A GB 1486772 A GB1486772 A GB 1486772A GB 3620673 A GB3620673 A GB 3620673A GB 3620673 A GB3620673 A GB 3620673A GB 1486772 A GB1486772 A GB 1486772A
Authority
GB
United Kingdom
Prior art keywords
television
characters
signals
matrix
signal
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
GB3620673A
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.)
Independent Broadcasting Authority
Original Assignee
Independent Broadcasting Authority
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 Independent Broadcasting Authority filed Critical Independent Broadcasting Authority
Priority to GB3620673A priority Critical patent/GB1486772A/en
Priority to DE19742435794 priority patent/DE2435794C2/de
Priority to CA205,846A priority patent/CA1044797A/en
Priority to AU71768/74A priority patent/AU488341B2/en
Priority to GB1268677A priority patent/GB1486774A/en
Priority to FR7426210A priority patent/FR2239832A1/fr
Priority to JP8859574A priority patent/JPS5072518A/ja
Priority to IT2574774A priority patent/IT1017734B/it
Priority to US05/682,370 priority patent/US4052719A/en
Publication of GB1486772A publication Critical patent/GB1486772A/en
Priority to JP57026707A priority patent/JPS57159186A/ja
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)
  • Image Generation (AREA)
GB3620673A 1973-07-30 1973-07-30 Television systems Expired GB1486772A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
GB3620673A GB1486772A (en) 1973-07-30 1973-07-30 Television systems
DE19742435794 DE2435794C2 (de) 1973-07-30 1974-07-25 Fernsehempfängereinrichtung
FR7426210A FR2239832A1 (ja) 1973-07-30 1974-07-29
AU71768/74A AU488341B2 (en) 1974-07-29 Television systems
GB1268677A GB1486774A (en) 1973-07-30 1974-07-29 Television systems
CA205,846A CA1044797A (en) 1973-07-30 1974-07-29 Television systems
JP8859574A JPS5072518A (ja) 1973-07-30 1974-07-30
IT2574774A IT1017734B (it) 1973-07-30 1974-07-30 Sistema televisivo
US05/682,370 US4052719A (en) 1973-07-30 1976-05-03 Television receiver system having facility for storage and display of character information selected from digitally encoded broadcast transmissions
JP57026707A JPS57159186A (en) 1973-07-30 1982-02-19 Telecvision receiving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3620673A GB1486772A (en) 1973-07-30 1973-07-30 Television systems

Publications (1)

Publication Number Publication Date
GB1486772A true GB1486772A (en) 1977-09-21

Family

ID=10385959

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3620673A Expired GB1486772A (en) 1973-07-30 1973-07-30 Television systems

Country Status (6)

Country Link
JP (2) JPS5072518A (ja)
CA (1) CA1044797A (ja)
DE (1) DE2435794C2 (ja)
FR (1) FR2239832A1 (ja)
GB (1) GB1486772A (ja)
IT (1) IT1017734B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408834A1 (en) * 1989-04-24 1991-01-23 Motorola, Inc. On screen display in a TV receiver

Families Citing this family (12)

* 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
JPS51131223A (en) * 1975-05-08 1976-11-15 Nippon Telegr & Teleph Corp <Ntt> Type printing control method for ink jet printer
GB1526232A (en) * 1975-10-08 1978-09-27 Texas Instruments Ltd Digital data storage systems
US4025851A (en) * 1975-11-28 1977-05-24 A.C. Nielsen Company Automatic monitor for programs broadcast
GB1568378A (en) * 1976-01-30 1980-05-29 Micro Consultants Ltd Video processing system
DE2760394C2 (ja) * 1976-09-06 1988-12-22 Etablissement Public De Diffusion Dit "Telediffusion De France", Montrouge, Fr
JPS55156485A (en) * 1979-05-23 1980-12-05 Sony Corp Character broadcast receiver
NL8002412A (nl) * 1980-04-25 1981-11-16 Philips Nv Informatie-overdracht in wederzijdse richting over een "long distance video interface" (ldvi) kabel.
DE3047597C2 (de) * 1980-12-17 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Anordnung zum Verteilen von Information und zum raschen und gezielten Auffinden von einen Adressenteil aufweisenden Informationseinheiten
JPS6145279A (ja) * 1984-08-09 1986-03-05 株式会社東芝 スム−ジング回路
JPS61142591A (ja) * 1984-12-13 1986-06-30 Toshiba Corp 半導体記憶装置
US5333135A (en) * 1993-02-01 1994-07-26 North American Philips Corporation Identification of a data stream transmitted as a sequence of packets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL153347B (nl) * 1968-02-16 1977-05-16 Philips Nv Inrichting voor het op een televisiescherm weergeven van digitale informatie.
DE2058681C3 (de) * 1970-11-28 1974-04-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Im Fernsehmodus arbeitende Einrichtung zum Senden, Empfangen und Darstellen kodierter Informationen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408834A1 (en) * 1989-04-24 1991-01-23 Motorola, Inc. On screen display in a TV receiver

Also Published As

Publication number Publication date
CA1044797A (en) 1978-12-19
IT1017734B (it) 1977-08-10
DE2435794A1 (de) 1975-03-13
AU7176874A (en) 1976-01-29
JPS57159186A (en) 1982-10-01
JPS5072518A (ja) 1975-06-16
DE2435794C2 (de) 1983-09-08
FR2239832A1 (ja) 1975-02-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee