EP0238526A1 - Magnetoscope programmable a l'aide de signaux de videotexte - Google Patents

Magnetoscope programmable a l'aide de signaux de videotexte

Info

Publication number
EP0238526A1
EP0238526A1 EP19860905293 EP86905293A EP0238526A1 EP 0238526 A1 EP0238526 A1 EP 0238526A1 EP 19860905293 EP19860905293 EP 19860905293 EP 86905293 A EP86905293 A EP 86905293A EP 0238526 A1 EP0238526 A1 EP 0238526A1
Authority
EP
European Patent Office
Prior art keywords
video recorder
teletext
signals
line
decoder
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.)
Withdrawn
Application number
EP19860905293
Other languages
German (de)
English (en)
Inventor
Norbert Eigeldinger
Martin Dalebout
Rainer Fechner
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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt GmbH
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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of EP0238526A1 publication Critical patent/EP0238526A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape

Definitions

  • the invention relates to a video recorder according to the preamble of claim 1.
  • a television set and a video recorder are connected to one another via signal lines.
  • Such a connection can be established, for example, via an HF cable
  • SCART sockets are provided in newer devices, via which, with the aid of suitable cables, image signals split into the three color components red, green, blue and audio signals split into the two channels I and II can be transmitted, separate signal lines are available for each of the components mentioned, and further connections of the SCART sockets are provided, for example, for transmitting control information or for future tasks.
  • Modern television sets in the medium to upper price range usually also have a so-called teletext decoder, by means of which characters of an agreed character code, for example letters, numbers or the like, which are broadcast by the transmitter during the vertical blanking time of the television signal, can be made visible on the screen of the television set ⁇ nen.
  • Various broadcasters transmit so-called teletext pages in which, among other things, the forthcoming transmission process is listed in tabular form with a predicted starting time and the title of the associated transmission contribution. - • % -
  • VPS code video program
  • DE-PS 26 61 055 a so-called VPS code (video program) known from DE-PS 26 61 055 and usually shown in the color magenta can be added to the predicted starting time of the relevant broadcasting contribution System code) is shown.
  • the information encoded in this code is emitted by the transmitter for the entire duration of the transmission contribution concerned and is used for the transmitter-controlled switching on and / or off of receivers tuned to this transmitter, for example video recorders. If the receiver is appropriately programmed, this can then be activated and then only activated if - the transmission contribution programmed by means of the VPS code is broadcast.
  • the object of the invention is to avoid the above-mentioned additional costs. This object is achieved by the features listed in claim 1.
  • a video recorder designated as a whole by 1, is connected via a signal line 2 to a screen device 3, for example a television set, a monitor or the like.
  • a screen device for example a television set, a monitor or the like.
  • Devices of the overall arrangement relating to sound transmission can be disregarded for the following considerations and are therefore not shown; they can be designed in a conventional manner.
  • the video recorder 1 has an antenna input 5 and three video and / or sound output sockets RGB, FBAS and HF, on which the signals are the color component signals red, green and blue (RGB), the color-picture-blanking-synchronous Signal (FBAS) or the high-frequency signal (HF), the latter, for example, tapped in a conventional manner with a carrier frequency corresponding to television channel 36 and fed to the display device 3 via a corresponding signal line, in the example shown via a SCART connection can.
  • RGB red, green and blue
  • FBAS color-picture-blanking-synchronous Signal
  • HF high-frequency signal
  • the antenna input 5 is connected to a tuning device which essentially comprises a tuner T and an intermediate frequency stage ZF, the tuner T and the intermediate frequency stage ZF being coupled to one another in a conventional manner to form a PLL circuit via lines 11 and 12 .
  • a tuning device which essentially comprises a tuner T and an intermediate frequency stage ZF, the tuner T and the intermediate frequency stage ZF being coupled to one another in a conventional manner to form a PLL circuit via lines 11 and 12 .
  • the carrier frequency-modulated output signal of the tuning device is fed via a line 13 to a demodulator DEM, which generates the corresponding CVBS signal and outputs it to a teletext decoder VT via a line 14.
  • the teletext decoder VT can be, for example, an 8-page EURO CCT decoder from Valvo, Hamburg.
  • RGB signals which can be tapped at an output of the teletext decoder VT and which correspond to the image information and / or teletext pages and / or additional information supplied to the teletext decoder VT in the CVBS signal are sent via a line 15 to the Output socket RGB of the video recorder 1 performed.
  • a CVBS modulator 17 is coupled to this line 15 via a line 16, which feeds a CVBS signal corresponding to the RGB signals via a line 18 of the output socket FBAS of the video recorder 1.
  • a signal emitted by the CVBS modulator 17, for example the aforementioned CVBS signal, is fed via a line 19 to an RF modulator 20, the output signal of which can be tapped via a line 21 at the output socket HF of the video recorder 1.
  • the teletext decoder VT is connected to a control unit C via a control and signal line section 25, for example an I 2 C bus.
  • the control unit C essentially has the entire video recorder logic. Via a control line 30, for example, it issues commands relating to the tape run to a mechanical control unit M and, via a control line 35 supplied to the tuner T, it issues commands relating to the adjustment to a desired reception frequency.
  • the user can use a keyboard KB on the video recorder 1, which is connected to the control unit C by means of a line 40, in addition to the usual commands such as - 5 " -
  • the control unit C can additionally control the teletext decoder VT connected to it via the line 25.
  • Commands can be entered and executed, for example, by means of which the predetermined teletext pages are stored in and / or read from a memory RAM of the video text decoder (not specifically shown here).
  • a cursor control provided in the teletext decoder VT data of a teletext line contained on a teletext page can be controlled via the keyboard KB or the remote control keyboard.
  • the time contained in this line and / or the relevant VPS code possibly also a description of the associated transmission contribution, can then be transmitted via line 25 to the timer memory contained in the control unit C. without having to type in the respective characters individually.
  • the data provided for programming the timer memory are first transferred to an intermediate memory, for example into the memory RAM of the teletext decoder VT.
  • an intermediate memory for example into the memory RAM of the teletext decoder VT.
  • a complete so-called menu page can be compiled and displayed on the screen device 3 before it - again by a convenient push of a button, without this data now being typed in character by character needed - in total for the timer operation, coming from the teletext decoder VT via line 25, to be transferred to the timer * memory.
  • the videotext decoder VT is arranged in the video recorder 1, the complex plug-in connections mentioned are omitted, the line paths with respect to line 25 can be kept short, and the shielding measures can be limited to predictable interference and stray radiation inside the video recorder. External interference and stray radiation can largely be disregarded, since it is already largely shielded by the housing of the video recorder 1 which is usually made of metallic material or of a metallized material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)

Abstract

Un magnétoscope peut être connecté et/ou déconnecté selon une programmation réalisée à l'aide de signaux de vidéotexte reçus par un décodeur de vidéotexte (VT), le décodeur de vidéotexte (VT) formant une unité avec le magnétoscope (1).
EP19860905293 1985-09-21 1986-09-18 Magnetoscope programmable a l'aide de signaux de videotexte Withdrawn EP0238526A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853533707 DE3533707A1 (de) 1985-09-21 1985-09-21 Mit hilfe von videotextsignalen programmierbarer videorecorder
DE3533707 1985-09-21

Publications (1)

Publication Number Publication Date
EP0238526A1 true EP0238526A1 (fr) 1987-09-30

Family

ID=6281575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860905293 Withdrawn EP0238526A1 (fr) 1985-09-21 1986-09-18 Magnetoscope programmable a l'aide de signaux de videotexte

Country Status (4)

Country Link
EP (1) EP0238526A1 (fr)
JP (1) JPS62502021A (fr)
DE (1) DE3533707A1 (fr)
WO (1) WO1987001895A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3856057T2 (de) * 1987-07-20 1998-10-29 Philips Electronics Nv Fernseh-Übertragungssystem
DE3915621A1 (de) * 1989-05-12 1990-11-15 Thomson Brandt Gmbh Videorecorder mit eingebautem texdecoder
GB9006170D0 (en) * 1990-03-19 1990-05-16 Ferroglen Research Ltd Apparatus and method for controlling a recording machine
DE4018368C1 (fr) * 1990-06-08 1991-01-24 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU83092A1 (de) * 1981-01-26 1982-09-10 Audiovision Int Sa Videotextverfahren mit abrufbarer datenspeicherung
GB2126002A (en) * 1982-08-25 1984-03-14 Simon William Breese Automatic control for recording apparatus
DE3313799C1 (de) * 1983-04-15 1984-06-20 Institut für Rundfunktechnik GmbH, 8000 München Einrichtung zum zeit- oder ereignisgesteuerten Aufzeichnen von Fernsehprogrammsignalen
DE3335082C2 (de) * 1983-09-28 1986-03-13 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur Programmierung eines Empfängers, insbesondere eines Videorecorders

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8701895A1 *

Also Published As

Publication number Publication date
DE3533707A1 (de) 1987-03-26
JPS62502021A (ja) 1987-08-06
WO1987001895A1 (fr) 1987-03-26

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19890424

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Effective date: 19900926

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Inventor name: EIGELDINGER, NORBERT

Inventor name: FECHNER, RAINER

Inventor name: DALEBOUT, MARTIN