Class 348/435.1 - During vertical blanking interval

Subclass of Class 348 - Television
Definition: Subject matter wherein the added video information is
No. of patents: 19
Last issue date: 04/15/2008

Number	Title	Issue Date
7359511	Encryption transmission system A video signal and an audio signal are time division multiplexed, encrypted, and transmitted. A transmission side time-compresses the audio signal, multiplexes, encrypts, and transmits the time-compressed audio signal in a blanking period of the video signal. Contro...	04/15/2008
7339627	Method and system for automatic detection and display of aspect ratio Certain embodiments of the invention may be found in a method and system for automatic aspect ratio detection and may comprise scanning lines in at least a selected portion of an image and locating a first reference pixel in one of the scanned lines. A corresponding...	03/04/2008
7319468	Image display apparatus An image display apparatus for displaying a series of consecutive output images which are based on a series of consecutive input images, with the series of consecutive input images including a first image and a second image, is arranged to split the images of the se...	01/15/2008
7158185	Method and apparatus for tagging media presentations with subscriber identification information A system that inserts subscriber identification information includes, in a preferred embodiment, a system with a memory for storing subscriber identification information and a processor configured to insert the subscriber identification information into a media pres...	01/02/2007
7129992	Method and system for video display with automatic reframing A system and method are provided for displaying a video composed of images each comprising a predetermined number M of lines and, a predetermined number N of pixels in each line. Values of a predetermined number P of reference pixels for each line of a current image...	10/31/2006
7096302	Method and apparatus for accelerating detection of serial bus device speed signals A method and apparatus for accelerating detection of speed code signals, and in particular S400 signals, for IEEE Standard 1394-1995 serial bus devices. The present invention validates S400 mode immediately after detecting an S400 speed signal, ...	08/22/2006
6947060	Image forming apparatus, electron beam apparatus, modulation circuit, and image-forming apparatus driving method An image forming apparatus which performs pulsewidth modulation with a pulsewidth set by counting a clock. Especially, for grayscale level correction by setting the frequency of the clock, the periodic clock is counted, and an output pattern is changed in accordance...	09/20/2005
6947097	Process for detecting black bars in a video image A process for detecting black bands in a video image within a luminance range corresponding to low luminance values comprises the steps of: calculating, for each line situated in a location in which a black band can be expected to be found if present in said video i...	09/20/2005
6766163	Method and system of displaying teletext information on mobile devices A communication system and method for communicating teletext information to mobile stations. A wireless access protocol (WAP) server is coupled to a television station and receives a signal which includes teletext information from the station. The WAP server include...	07/20/2004
6118486	Synchronized multiple format video processing method and apparatus A multiple format video signal processing system operating in conjunction with a display device timing system to produce synchronized video and timing signals suitable for use by a fixed horizontal scanning frequency display device....	09/12/2000
5430486	High resolution video image transmission and storage A new device and method allows simple transformation of a high resolution video image, still or full motion, into a number of segments, each of which can be converted to a standard NTSC or PAL television frame. Each frame can be encoded with information s...	07/04/1995
5394486	Method and apparatus for monitoring image processing operations An image processing system with self monitoring includes an image acquisition module for acquiring data corresponding to an image, and one or more image processing modules. The acquisition module interleaves the variable (and therefore unpredictable) imag...	02/28/1995
5357283	Reflected modulated television system A television system, the composite color television signal (EM (t)) whereof is generated using reflected modulated signals (E3 (t)), wherein at the transmitting side video signals (E1-1 (t), E1-2 (t)) are used t...	10/18/1994
5351135	Managing letterbox signals with logos A video display control system comprises: a video display having a wide format display ratio; a letterbox detector for sampling video information in pictures represented by input video signals having a letterbox format and generating a control signal for ...	09/27/1994
5345270	Managing letterbox signals with logos and closed captions A video display control system comprises: a video display having a wide format display ratio; a letterbox detector for sampling video information in pictures represented by input video signals having a letterbox format and generating a control signal for ...	09/06/1994
4961112	Television system In transmitting, on a transmission side, a laterally long image whose aspect ratio is different from a usual television screen having aspect ratio of 3:4, with a top and a bottom portions of the screen being image-free, auxiliary signal obtained by shifti...	10/02/1990
4947241	Training signal for maintaining the correct phase and gain relationship between signals in a two-signal high definition television system An improved color subcarrier and amplitude reference signal and means for its utilization are provided for color television systems, particularly high definition, wide aspect ratio television systems wherein the high definition signal is decomposed into t...	08/07/1990
4748496	Transmission and reception of television signals to produce extended definition pictures In a method of transmitting and receiving Multiplexed Analog Component (MAC) television signals by producing first chrominance component and luminance component signals representing lines of a television signal capable of reconstruction in a conventional ...	05/31/1988
4707728	Compatible HDTV with increased vertical and horizontal resolution A high-definition camera uses sinuous scanning to produce wide-bandwidth signals having high definition in the horizontal direction as well as in the vertical direction. A lowpass filter produces a limited-bandwidth signal from the wideband signal. The li...	11/17/1987

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Class 348/435.1 - During vertical blanking interval