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| Number | Title | Issue Date |
| 5512953 | Method and apparatus for conversion of compressed bit stream representation of video signal A compressed bit stream converter is utilized for converting the video signal parameter bit stream representations of a video signal that are encoded using the temporal and spatial resolution characteristics of a first video transmission standard to the v... | 04/30/1996 |
| 5497187 | In-band/out-of-band data transmission method and apparatus for a television system Data transmission for a cable television system includes transmitting data via a plurality of signals including, but not limited to, in-band audio, in-band video, and out-of-band signals. The in-band data signals are transmitted on scrambled or non-scramb... | 03/05/1996 |
| 5497198 | Circuit for converting HDTV signals into conventional TV signals with the letter box mode A high definition television signal conversion circuit using a side cut mode or a letter box mode. The conversion circuit using the side cut mode comprises an A/D converter for converting a high definition television signal into a digital signal at a firs... | 03/05/1996 |
| 5491521 | Scan velocity modulation system with auxiliary vertical deflection towards bright side of video signal transitions A video signal is applied to a kinescope having scan velocity modulation for improving picture sharpness in the vertical direction. Pictures from video signals of a type having non-interpolated and vertically interpolated lines (e.g., interlace-progressiv... | 02/13/1996 |
| 5488426 | Clock-setting apparatus and method utilizing broadcasting character recognition An automatic clock-setting apparatus and method, which can recognize clock-displaying characters as numerals included in a television broadcasting signal when the clock-displaying characters are displayed on a screen, and which can automatically set a cur... | 01/30/1996 |
| 5488434 | Picture adjusting method of a color television and its circuit The present invention relates to a picture adjusting method of a color television and its circuit for obtaining enhanced picture resolution by automatically adjusting the contrast, a brightness and sharpness of a picture in accordance with the ambient bri... | 01/30/1996 |
| 5486872 | Method and apparatus for covering and revealing the display of captions A method for covering and revealing a translated caption in a video reproducing apparatus, which includes a key input circuit for operating control keys selected by a user, a microcomputer coupled to the key input circuit for controlling the apparatus in ... | 01/23/1996 |
| 5473387 | Field decision circuit The field decision circuit includes: a field information generating circuit for outputting one of a plurality of signals as a first field information for each field in response to a pulse signal; a comparator for outputting a comparison result indicating ... | 12/05/1995 |
| 5446497 | Method and apparatus for processing an input 60 field/second video signal generated by 3232 pulldown to produce an output video signal A method of processing an input 60 field/second video signal generated by 3232 pulldown to produce an output video signal, comprises producing from the input signal a series of progressive scan format frames, each frame corresponding to a respective one o... | 08/29/1995 |
| 5438369 | Digital data interleaving system with improved error correctability for vertically correlated interference A digital data transmission system for signals in the areas of interference having a high degree of vertical correlation comprises a transmission frame including a plurality of vertically arranged repetitive horizontal data segments each including a fixed... | 08/01/1995 |
| 5432563 | Image contour enhancing apparatus which limits enhancement where signal components for contour enhancement in both horizontal and vertical directions are generated in overlapping relationship An image contour enhancing apparatus capable of minimizing excessive enhancement of the image contour in an image area where both a horizontal contour enhancing signal and a vertical contour enhancing signal are generated in overlapping relation. In the i... | 07/11/1995 |
| 5430490 | Scanning format converting circuit using motion vectors A scanning format converting circuit for converting video signals of the interlaced scanning form involving flickers into those of the progressive scanning form free of flickers using motion vectors included in the video signals. In addition to a general ... | 07/04/1995 |
| 5428390 | Apparatus and method for focal plane zoom and pan The apparatus (10) performs pan and zoom functions in conjunction with an electronic image sensor (18) with an image area (72, 92, 112) in which a plurality of lines and columns of pixel data are generated by impinging light. Pan and zoom commands are gen... | 06/27/1995 |
| 5424785 | System for encoding and displaying captions for television programs A system for encoding, storing, and displaying captions includes a modem for transmitting a signal including one or more closed captions generated in real time, a videotape player for playing a videotape of a television program including both a video sign... | 06/13/1995 |
| 5424772 | Mode changing device for still video camera and still video camera used therewith A mode changing device for a camera employing a minimum number of actuating members to permit a user to change an operating mode and/or setting of the camera. A mode actuating member and a selector switch, used in conjunction with an LCD panel that indica... | 06/13/1995 |
| 5420641 | Parent-picture and child-picture display apparatus A display apparatus comprising a field frequency converter for converting the field frequency of a parent-picture video signal; an aspect ratio converter for converting the aspect ratio of the video signal after the field frequency conversion; a child-pic... | 05/30/1995 |
| 5414455 | Segmented video on demand system In a system for distributing videos, a plurality of videos are stored on a mass storage device. Each video includes a plurality of frames of digitized video data for play-back on a viewing device. The system includes a memory buffer for storing a segment ... | 05/09/1995 |
| 5410360 | Timing control for injecting a burst and data into a video signal A secondary signal is processed and injected into a primary color video signal. The timing of the subsequent transmission of the secondary signal is controlled by timing signals. The timing signals also control the transmission of a carrier burst prior to... | 04/25/1995 |
| 5408261 | Method and apparatus for controlling image communication between a plurality of terminals and an exchange A method and apparatus for performing image communication between a plurality of terminals are suggested, in which a composing unit is provided for composing a signal transmitted from a predetermined number of terminals at the transmitting side, together ... | 04/18/1995 |
| 5406335 | Pal encoder using a digital signal processing A PAL encoder comprises phase converter, first and second low-pass filters, a burst signal adder, a chrominance subcarrier generator, and a modulator. The phase converter converts digital first and second color-difference signals into digital U-axis and V... | 04/11/1995 |
| 5404160 | System and method for identifying a television program The disclosure is of a system and method of detecting or identifying a received TV program by forming a database of identifying digital bits for a plurality of programs, processing a TV program by modulating the luminance of pairs of lines of the program ... | 04/04/1995 |
| 5402174 | Camera apparatus having focus detecting sensitivity based on absolute focal length In a camera system including a camera unit and a lens unit which is detachably mounted on the camera unit, an automatic focusing apparatus comprises a focus signal forming circuit which forms a focus detection signal for indicating a focusing state of the... | 03/28/1995 |
| 5400084 | Method and apparatus for NTSC signal interference cancellation using recursive digital notch filters A complex NTSC interference canceler for eliminating NTSC signal interference from in-phase and quadrature phase received television signals including both a desired HDTV signal and NTSC interference signal. The complex NTSC interference canceler uses a b... | 03/21/1995 |
| 5398070 | Smell emission control apparatus for television receiver A television receiver includes structure for receiving video and audio signals in addition to a transmission section for converting a composite signal in which a video signal and a smell signal are mixed. The smell signal is generated at an amplifier of a... | 03/14/1995 |
| 5398082 | Scanned illumination for light valve video projectors A video projection system employs a reflective light valve (10) that is optically addressed by an image from a cathode ray tube (12) and provides an output image for projection by means of a high intensity reading light directed to the output face of the ... | 03/14/1995 |
| 5396298 | Video signal processing apparatus for performing magnification processing A video signal processing apparatus includes an A/D converter for converting an analog video signal to a digital video signal. Also included is a 3-dimensional scanning line interpolating unit for outputting an original video signal and an interpolating s... | 03/07/1995 |
| 5389979 | Chrominance signal playback system and method for video cassette recorders having noise suppression of the chrominance signal An improved chrominance signal playback system and method for a video cassette recorder are disclosed. A radio frequency of composite video signal detected by a video head is applied to a low-pass filter which filters the composite video signal and output... | 02/14/1995 |
| 5387941 | Data with video transmitter Signal processors for permitting the transparent, simultaneous transmission and reception of a data signal in the video bandwidth is disclosed. The signal processor in the transmitter rasterizes the data at the horizontal scanning rate and modulates the d... | 02/07/1995 |
| 5387942 | System for controlling reception of video signals A method and system for controlling the reception of video signals in accordance with the program content of the signals is disclosed. In accordance with the invention, a digital program code is simultaneously transmitted along with the audio and video in... | 02/07/1995 |
| 5387948 | Method and apparatus for reducing scattered light in projection television tubes To prevent light scattering at the edges of CRT's used in projection television, emission of light is prevented beyond a desired region of raster scanning. In one embodiment, portions of the front surfaces of the CRT's outside the desired region are darke... | 02/07/1995 |
| 5386236 | Television screen aspect ratio converting method and the device thereof A television screen aspect ratio converting method and the device thereof which is suitable to display a video signal having a 4:3 screen aspect ratio on a screen having a 16:9 aspect ratio. According to the present invention, scanning lines amounting to ... | 01/31/1995 |
| 5386242 | Self keyer with background gap fill A self keyer with background gap fill adds background video to the gap between the background video and a fill video resulting from self key error. The self keyer performs the general function: Composite=Fill*f(Key)+Background*(1-f(Key)*(Key)) where f(Key) is ... | 01/31/1995 |
| 5386240 | Encoder/decoder of information upon/from a video signal An encoder/decoder can insert and demodulate an information signal without affecting a video signal, the information signal being not analyzed, modified and deleted easily. The non-inverted and inverted information signals are inserted into two horizontal... | 01/31/1995 |
| 5386239 | Multiple QAM digital television signal decoder In a video signal processing system, a single adaptive passband equalizer is used to process a composite Quadrature Amplitude Modulated (QAM) signal encoded with high priority (HP) and standard priority (SP) components. The equalizer output is phase corre... | 01/31/1995 |
| 5382982 | Television receiver with multiple inputs and outputs for automatically switching between inputs The present invention is directed to a television receiver in which, even when a broadcasting of a broadcasting station received and reproduced at an image display unit is ended and a non-signal state is presented, a video signal can be protected from bei... | 01/17/1995 |
| 5382984 | Digital convergence correction apparatus for color television receiver with cursor on screen A digital convergence apparatus detects the presence/absence, frequency and the number of scanning lines of inputted synchronizing signals, performs an interpolation between adjusting points corresponding to the detection signal to prepare a correction da... | 01/17/1995 |
| 5381182 | Flat panel image reconstruction interface for producing a non-interlaced video signal An electronic interface for converting an interlaced video signal to a non-interlaced video signal suitable for an LCD flat panel. An analog interpolator scheme is used in which the information available in an incoming video scan line is delayed and sampl... | 01/10/1995 |
| 5381179 | Camera-integrated video recorder apparatus A camera-integrated video recorder in which a camera portion and a recorder portion are disposed in a single casing is arranged in such a manner that a grip portion having a viewfinder and a control portion for controlling the recorder portion is rotatabl... | 01/10/1995 |
| 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 second memories storing first data representative of old da... | 12/20/1994 |
| 5371547 | Apparatus for excising (and reinserting) specific data from a compressed video data stream to reduce its transmission bandwidth A digital compressed video signal transmission system includes a transport processor for segmenting compressed MPEG video data into transport cells for transmission. Prior to formation of the transport cells, at least a portion of the 32-bit MPEG slice st... | 12/06/1994 |