GB2149277B - Data retrieval system - Google Patents

Data retrieval system

Info

Publication number
GB2149277B
GB2149277B GB08427107A GB8427107A GB2149277B GB 2149277 B GB2149277 B GB 2149277B GB 08427107 A GB08427107 A GB 08427107A GB 8427107 A GB8427107 A GB 8427107A GB 2149277 B GB2149277 B GB 2149277B
Authority
GB
United Kingdom
Prior art keywords
retrieval system
data retrieval
data
retrieval
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
GB08427107A
Other versions
GB2149277A (en
Inventor
Matania Jochanan Givertz
Philip Gilvertz
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.)
Philip Givertz
Original Assignee
Philip Givertz
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 Philip Givertz filed Critical Philip Givertz
Publication of GB2149277A publication Critical patent/GB2149277A/en
Application granted granted Critical
Publication of GB2149277B publication Critical patent/GB2149277B/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/641—Multi-purpose receivers, e.g. for auxiliary information

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Circuits Of Receivers In General (AREA)
GB08427107A 1983-10-26 1984-10-26 Data retrieval system Expired GB2149277B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838328601A GB8328601D0 (en) 1983-10-26 1983-10-26 Data retrieval system

Publications (2)

Publication Number Publication Date
GB2149277A GB2149277A (en) 1985-06-05
GB2149277B true GB2149277B (en) 1987-07-08

Family

ID=10550759

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838328601A Pending GB8328601D0 (en) 1983-10-26 1983-10-26 Data retrieval system
GB08427107A Expired GB2149277B (en) 1983-10-26 1984-10-26 Data retrieval system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838328601A Pending GB8328601D0 (en) 1983-10-26 1983-10-26 Data retrieval system

Country Status (5)

Country Link
EP (1) EP0160066A1 (en)
JP (1) JPS61500246A (en)
AU (1) AU577494B2 (en)
GB (2) GB8328601D0 (en)
WO (1) WO1985002082A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2172474A (en) * 1985-03-12 1986-09-17 Philips Electronic Associated Handling data packets
AU614330B2 (en) * 1988-02-27 1991-08-29 Alcatel N.V. User guide for data terminal
GB8909115D0 (en) * 1989-04-21 1989-06-07 Rca Licensing Corp Improvements in applications for information transmitted in the vertical retrace interval of a television signal
KR900017403A (en) * 1989-04-28 1990-11-16 이헌조 How to Automatically Save Teletext Received Optimal Points
GB8922702D0 (en) * 1989-10-09 1989-11-22 Videologic Ltd Radio television receiver
GB9006415D0 (en) * 1990-03-22 1990-05-23 Rca Licensing Corp Providing tv program information
US5251909A (en) * 1991-05-28 1993-10-12 Reed Michael J Secured high throughput data channel for public broadcast system
EP1788738B1 (en) * 1992-11-27 2011-11-09 Io Research Pty. Limited Distributed database system and database receiver thereof
GB9404873D0 (en) * 1993-10-02 1994-04-27 Amulet Electronics Ltd Television broadcast distribution systems
JPH09247632A (en) * 1996-03-04 1997-09-19 Sony Corp Extraction device and extraction method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1585100A (en) * 1976-09-06 1981-02-25 Gen Electric Co Ltd Electronic display apparatus
GB2054328B (en) * 1979-07-20 1983-03-30 Technalogics Computing Ltd Teletext decoder
FI76893C (en) * 1980-09-29 1988-12-12 Honeywell Inf Systems Communication multiplexes with dual microprocessors.
DE3114734A1 (en) * 1981-04-11 1982-10-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Device for transmitting data between a computer and external subscribers
FR2514974B1 (en) * 1981-10-15 1986-11-28 Telediffusion Fse PACKET DATA BROADCASTING SYSTEM
DE3210893C2 (en) * 1982-03-25 1984-01-05 Standard Elektrik Lorenz Ag, 7000 Stuttgart Device arrangement with a television receiver and a Videdo recording and / or reproducing device

Also Published As

Publication number Publication date
WO1985002082A1 (en) 1985-05-09
EP0160066A1 (en) 1985-11-06
AU577494B2 (en) 1988-09-22
GB8328601D0 (en) 1983-11-30
AU3557784A (en) 1985-05-22
JPS61500246A (en) 1986-02-06
GB2149277A (en) 1985-06-05

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee