Matches 351 - 389 out of 389 < 1 2 3 4 5 6 7 8
Match Document Document Title
4878117 Video signal mixing unit for simultaneously displaying video signals having different picture aspect ratios and resolutions  
A display control unit for combining first video signal transmitted from a first video information source which is controlled by a first pixel clock and a first synchronizing signal with second...
4855833 Television channel selection apparatus employing multi-picture display  
An apparatus for selecting one of a number of television channels is operable to be set in a mode whereby an array of miniature pictures corresponding to the respective channels is displayed, with...
4845564 Television receiver incorporating a video cassette recorder and capable of displaying a sub-channel picture within a main-channel picture  
A television receiver incorporating a video cassette recorder and having a display, for example, a picture screen, for showing a main-channel picture within which a sub-channel picture may be...
4839728 Picture-in-picture video signal generator  
A picture-in-picture video signal generator includes a source of an auxiliary video signal, and a producer of successive samples representing the auxiliary video signals. A self-sequencing memory...
4827343 Method and apparatus for reducing analog/digital converter requirements in picture-in-picture television circuits  
In the PIP circuit of a television receiver, the resolution of the analog-to-digital converter is improved by one bit. This is done by adding a dither signal, having an amplitude equal to one-half...
4816915 Two-picture television receiver  
In a two-picture television receiver, a field polarity detection circuit detects field polarity of an image signal of a main picture. A first and a second field memories are capable of writing-in...
4811103 Interlace inversion corrector for a picture-in-picture video signal generator  
A picture-in-picture video signal generator includes a source of an auxiliary video signal, and a producer of successive samples representing the auxiliary video signal. A self-sequencing memory...
4809069 Multifunction memory for digital television  
A digital television processing section capable of picture enhancement, progressive scanning, and multiple picture-in-picture processing is provided. The preferred digital television processing...
4800376 Multiple display system  
A multiple display system is adapted to display data in the VIDEOTEX standard on a display formed of a plurality of display devices. The system comprises an encoder for generating a code on the...
4796089 Television receiver display apparatus having multi-image display capability  
A television receiver display system for displaying, within a main image produced from a first video signal, one or more secondary images produced from a second video signal. Successive frames or...
4782391 Multiple input digital video features processor for TV signals  
A video features processor for use with a display device includes a first clock that is line locked to the display and a skew-shifted second clock that is phase locked to the horizontal sync...
4779135 Multi-image composer  
A still frame image processor is disclosed. The still frame image processor comprises two frame memories, either of which can digitize and store a frame of video. A first image, stored in the first...
4777531 Still sub-picture-in-picture television receiver  
A picture-in-picture type television receiver in which a sub-picture is displayed inset into a main picture. In the television receiver of this invention the viewer, by operating a single control...
4774582 Picture-in picture television receiver with step-by-step still picture control  
A television receiver of the type which simultaneously displays a main, live picture and one or more sub-pictures inset therein and which is provided with a step-by-step switch and associated...
4768083 Digital TV having on-screen display feature  
A television pix-in-pix system includes a pixel memory for storing one field of pixel intensity values of a television signal. A 1-bit overlay indication signal representative of pixel address...
4768093 Vertical pre-filter for pip television receivers  
A vertical filter for filtering digital television signals in which the length of the filter may be greater than the decimation factor. The vertical filter includes a first and a second...
4768095 Apparatus for processing image  
A method and apparatus for a TV receiver in which a frame of TV image signals is stored in the image memory and then read out for display as a still picture. In order to display both still picture...
4761688 Television receiver  
A picture-in-picture television receiver is so arranged that the compression ratio of a sub-picture discrimination character displayed on a sub-picture screen relative to a main picture...
4750038 Television picture display device  
In a television picture display device which can display a compressed (by 13) sub-picture of a second video signal source (29) in a main picture of a first video signal source (1), a correct mutual...
4750039 Circuitry for processing a field of video information to develop two compressed fields  
A picture-within-a-picture television receiver includes circuitry for displaying a reduced-size frozen image developed from an auxiliary signal as an inset in the main image. To develop signals...
4746983 Picture-in-picture television receiver with separate channel display  
A picture-in-picture type television receiver in which a sub-picture screen is inset within a main picture screen to allow the same or different pictures to be simultaneously displayed and which...
4724487 Interlace inversion detector for a picture-in-picture video signal generator  
A picture-in-picture image signal generator includes a source of an auxiliary video signal and an auxiliary synchronization component separator which produces an auxiliary odd/even field signal....
4682234 Video noise reduction in picture-in-picture television receiver  
When the second channel in a picture-in-picture (PIP) receiver is turned off by the user, it is automatically tuned to the station selected for the first channel. Both channels thus process a...
4673983 Picture-in-picture television receivers  
In a picture-in-picture television receiver, the subpicture signal is A-D converted; the converted digital subpicture signal is latched in response a subpicture clock in synchronism with a...
4656515 Horizontal compression of pixels in a reduced-size video image utilizing cooperating subsampling and display rates  
A pix-in-pix television display includes circuitry for reducing the amount of memory needed to hold one field of the reduced size image. In the display apparatus, digital samples representing the...
4656516 Vertical subsampling and memory synchronization system for a picture within a picture television receiver  
A pix-in-pix television display includes a memory for holding samples representing one field of the small picture. Samples which are to be written into the memory are developed in a buffer memory...
4575771 Apparatus for superimposing and reproducing still picture signals  
A superimposing and reproducing apparatus superimposes and reproduces a plurality of still pictures taken separately, e.g., a plurality of still picture signals recorded electrically without using...
4347532 Picture display device arranged for displaying a mixed picture signal as an interlaced television picture  
A picture display device arranged for displaying, as an interlaced television picture, a mixed picture signal on a picture display tube, this picture signal including a television signal produced...
4298891 Television receiver  
A television receiver including: television signal receiving means for simultaneously receiving two different television signals to produce two different image signals, a first and a second image...
4259690 Multi-picture tuning scheme of television receiver  
A multi-picture tuning scheme suitable for a television receiver of the type which displays at least two kinds of television pictures simultaneously on a same screen tube employed therein includes...
4249211 Composite image display apparatus  
An image display apparatus has an: image signal receiver for simultaneously receiving two different image signals, a first image signal and a second image signal; a memory for writing therein the...
4249213 Picture-in-picture television receiver  
A picture-in-picture television receiver is disclosed in which a television picture to be inset is compressed at a compression rate of 1/n and inset as a small-picture in part of a main television...
4246605 Optical simulation apparatus  
Optical simulation apparatus using a video target image superimposed upon an appropriately blanked-out film transparency of background is used to train an observer in target tracking. The apparatus...
4238773 Television receiver for display of plural video images including a displayed boundary between the images  
A television receiver is disclosed, which receives two television signals and compresses a time axis of one of the television signals and inserts the compressed signal to a portion of the other...
4070695 Circuit for simultaneous display of separately broadcast video signals  
A circuit system for a television receiver, said system operating to repl a changing quadrant of the picture of a main transmitted program with an equivalent-size sector of a second transmitted...
3943280 Television receiver with zoom storage tube frame grabber with electronic inset into continuing received video stream  
In a television receiver, a video signal for a single frame at any moment is stored in a storage tube. The stored video signal is displayed, if necessary, as a still picture on a part of the...
3740758 GRIDDING AND PRINTOUT DEVICE FOR METEOROLOGICAL DATA RECEIVER/RECORDER  
A gridding and printout device for meteorological data receiver-recorders ving a grid pattern on a moving film that is scanned by a flying spot fiber optic cathode ray tube (CRT) scanner and the...
3710017 TV RECEIVER CONCURRENTLY ACTING AS A MONITOR  
A TV receiver concurrently acting as a monitor comprising means for separating TV synchronizing signals from detected TV image signals; camera tube deflecting means including a device for...
2784246 Electrical system  
Matches 351 - 389 out of 389 < 1 2 3 4 5 6 7 8