Matches 251 - 300 out of 392 < 1 2 3 4 5 6 7 8 >
Match Document Document Title
5521712 Teletext signal recording and reproducing apparatus  
A digital video tape recorder records a teletext signal together with a digital video signal on a magnetic tape. The teletext signal is extracted from a broadcast video signal and recorded in the...
5519780 System and method for providing compressed digital teletext services and teletext support services  
A teletext system provides teletext services and teletext support services in a multiservice communication system. Multiplexed data streams for a plurality of services, including teletext data, are...
5517254 Program table displaying apparatus  
A program table displaying apparatus includes a display controlling apparatus for displaying a program table for a plurality of programs in a table on a display. The table has a horizontal row with...
5512954 Television receiver with decoder for decoding coded data from a video signal  
A television system which selectively receives additional information multiplexed in a video-signal source different from and other than a video-signal source currently being watched. A video...
5506626 Closed-caption decoder circuit having robust synchronization features  
A closed-caption decoder which uses separate clock generators to produce the sampling frequencies for the clock run-in signal and the data portion of the closed-caption signal. Each of the clock...
5500680 Caption display controlling device and the method thereof for selectively scrolling and displaying a caption for several scenes  
A caption display controlling device and the method thereof for displaying, on a screen, captions for several scenes sequentially scrolled-up. The device includes a caption controller that decodes...
5495295 Use of transmitter assigned phantom channel numbers for data services  
A video communication system includes a microprocessor for operating a tuner to select desired television channels in response to the input of corresponding channel numbers. A video data...
5486865 Data decoder adapted to decode data of different rates and/or encoded formats  
A data decoder, for example, for decoding teletext and VPS data, comprises an input signal clamp and synchronizing signal separator circuit which receives a combined video and blanking signal and...
5483289 Data slicing circuit and method  
A circuit and method of data slicing a television signal comprises: an extractor 2 for extracting a specific component from the television signal of analog form; a slicer 3 for slicing the specific...
5477274 Closed caption decoder capable of displaying caption information at a desired display position on a screen of a television receiver  
The display address contained in the caption signal sent from the sending side is converted into a desired display address by a closed caption decoder at the receiving side. The display position of...
5477277 Apparatus and method for controlling the muting of sound and the display of audio information on a television receiver  
Apparatus and method which commands the displaying of audio information on a television receiver display in the case where it is judged that a sound muting control unit was operated, whereby the...
5473481 Caption signal recording and reproducing control device in video cassette recorders  
This invention relates to a caption signal recording and reproducing control device of a video cassette recorder which can record and reproduce those caption signals recorded on a tape and...
5467142 Television receiver for reproducing video images having different aspect ratios and characters transmitted with video images  
A television receiver for displaying a video signal representing a first frame with a first aspect ratio is described wherein the video signal includes a coded character signal to be reproduced...
5459521 Apparatus for converting tele text data for display on a 16:9 aspect ratio screen by controlling reading and writing speeds of data in to a two-line memory  
A teletext signal processing apparatus displays a teletext signal on a display screen at a predetermined aspect ratio. The teletext signal is stored in a memory and is written to and read from the...
5452008 Broadcast receiving system  
A television signal receiving apparatus for a conventional television receiver capable of receiving a non-scrambled video signal and a related character signal inserted in a vertical blanking...
5430491 Teletext signal detector with a display for indicating the status of index pages  
A teletext signal detector and method including a plurality of field memories for storing by screens index page data, a user-designated page storage, an index page storage, an index page storing...
5430552 Device for programming a video recorder and video recorder comprising the device  
An improved programming of a video recorder comprising a first step enables time information as included in a teletext page by, for example, the BBC to be identified as such. A second step enables...
5420923 Addressed messaging in a cable television system  
A method of transmitting addressed messages to subscribers comprises the steps of defining the group or individual subscriber to be addressed, creating the message, assigning the message to the...
5410359 Teletext decoder and television receiver provided with a teletext decoder  
A television receiver includes a teletext decoder which is adapted to check whether a keyword entered by the user occurs in a teletext cycle. The teletext pages with the searched keyword, or their...
5396297 Character display device for displaying characters on a television screen  
Control data indicating the vertical start positions of display characters is written into the locations of a video RAM determined by a common column address and a plurality of column addresses. In...
5396546 Apparatus and method for automatic and user configurable information appliance  
An electronic device and method for accessing remote electronic facilities and displaying associated information on a conventional television set. The electronic device self-configures itself upon...
5386238 Combination TV receiver and teletext processor with on-screen message capability  
A television receiver includes a teletext decoder having a page memory (PM) into which teletext data is read from a data acquisition circuit (DAC) via an interface circuit (MIC) under control of a...
5374961 Apparatus and method therefor for providing the latest information in receiving teletext  
A teletext receiving apparatus for providing the latest information whereby only the latest information received when the information is irregularly changed includes a teletext decoder, first and...
5375160 Interface apparatus for effecting captioning and communications between a telephone line and a television  
A telecommunications device is disclosed which provides TDD services for the hearing impaired as well as other closed-captioning services. Incoming data is displayed over the television picture and...
5373324 Program selecting and character broadcasting receiving set  
A character broadcasting receiving set is provided with: a receiving device for receiving a character signal transmitted from a broadcasting station; a decoding device for decoding the received...
5355170 Method for transmitting periodically repeated teletext data in a television receiver  
In order to compatibly transmit teletext data in the form of special characters, fine textures and color hues at higher WST levels, complementary data in the form of one or more associated...
5353064 Multipage teletext decoder for capturing a requested page during a single cycle  
A multipage teletext decoder is to capture, store and refresh a plurality of teletext pages as rapidly as possible. The number of acquisition circuits for this purpose is limited so that a...
5343249 Apparatus for preventing the simultaneous and overlapping display of characters on a television receiver monitor  
An apparatus for preventing the simultaneous display and overlapping of teletext (TTX) characters and on-screen display (OSD) characters on a TV receiver monitor. The apparatus includes switching...
5327174 Device for displaying teletext data on one screen  
A device for displaying teletext information on a screen after decoding teletext data multiplexed into a composite television video signal for performing a full flash function by successively...
5283648 Teletext receiver for automatically controlling displaying time interval  
A teletext receiver for automatically controlling a displaying time interval for frames. In the teletext receiver for automatically controlling a displaying time interval for frames, teletext data...
5283647 Compatible digital processing unit for teletext and control method thereof  
The present invention relates to teletext, in which the character multiplex signals of the international title standard can be processed together with those of the North America teletext standard...
5260778 Apparatus for selective distribution of messages over a communications network  
Specific text and/or graphic messages for individual subscribers or groups of subscribers are distributed on a communications network such as a cable television system. An addressable controller...
5237412 Signal recording and/or reproducing apparatus  
A signal recording and/or reproducing apparatus can record and/or reproduce a character information, which could not be sufficiently demodulated conventionally, together with a video signal, by...
5237411 System and method for processing teletext information included with video signal utilizing buffered individual teletext information pages  
System for processing teletext information which makes it possible practically without any delay to reproduce the information pages transmitted by television transmitters on the screen of a...
5235415 Device for the intelligible consultation of data relating to the fees programs of a subscription television and/or radio service  
A device for allowing fee paying subscribers access to television or radio programs includes a keyboard unit for requesting messages concerning the programs. Information describing the program fees...
5231493 Video receiver with permanent electronic program journal  
A video receiver is provided having a screen forecast journal with teletext data, collected from different broadcast stations and continuously updated with text pages at preset time intervals. The...
5221968 Ideographic teletext transmissions  
An ideographic teletext transmission system based on the World System Teletext specification in which ideograms are displayed in the space of two character positions in each of three display rows,...
5208671 Teletext decoder arrangement  
A teletext decoder arrangement comprises a page memory (PM) operable under the control of a data acquisition circuit (DAC) for storing a teletext page to be displayed, and a background memory (BM)...
5185598 Character graphic information display device  
A character graphic information display device is adapted to decode into the character graphic picture images with the standard density the high density of character graphic information which has...
5184220 Teletext decoder apparatus including feature of inhibiting generation of an end-of-page signal  
A "correct page header received" (CPHR) flip-flop (3) is set by the page header of a required teletext page and reset by the next following page header, a "page end" flip-flop (15) generates a page...
5181113 Method of storing and editing data in a television system and apparatus therefor  
A TV system with the functions of Teletext comprising a TV set and a teletext receiving process section, which performs the editing and storing of data received through an antenna in order of...
5177598 Multipage display apparatus of teletext receiving system  
Disclosed is a multipage display apparatus which divides one screen into several sections so as to display a plurality of pages at the same time. The apparatus comprises a microprocessor, a...
5134510 Information transmitting system using television luminance signal  
This invention provides an information transmitting system using television luminance signal, including a data detecting stage for detecting data according to the change of amplitude of a luminance...
5109279 Television receiver with teletext receiving function and a method for superimposing a teletext picture on a television picture  
Teletext data stored in a video RAM is developed in a work RAM. A CPU selectively deletes picture elements from the developed teletext data, to thereby compress the teletext data into data adapted...
5051829 Method for automatically controlling optimal tuning point for receiving teletext  
Method for automatically controlling the optimal tuning point for receiving teletext increases or decreases the tuning point of steps of a certain frequency for the byte error at each step tuning...
5045941 Framing code windows repositioning apparatus and method for teletext decoder  
A teletext decoder includes a data acquisition and control circuit (DAC) which may be operated in either of two modes under the control of a microcontroller (MC). In one mode a framing code window...
5038212 Teletext decoder and receiver for television signals for receiving cyclically transmitted teletext pages  
Teletext decoder comprising a decoding circuit (45) and a memory medium (46) in which a reception indication is stored for the transmitted pages so as to indicate whether a requested page is...
5036394 Videotext receiver  
A videotext receiver receives textual and graphic data including control data, header data and main text data. The videotext receiver includes a RAM for storing the textual and graphic data of a...
5023721 TV of internal PiP type for receiving the character multibroadcasting  
The invention provides a TV of internal PiP type for receiving the character multibroadcasting which installs the character multiblock having PiP block which is constructed so that a complex signal...
5012338 Teletext decoders  
A teletext decoder comprises a main memory (M2) which includes a raw data buffer (RDB) in rows RD0 to RDn of which teletext data packets and non-teletext "junk" data packets are stored in the order...
Matches 251 - 300 out of 392 < 1 2 3 4 5 6 7 8 >