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| Number | Title | Issue Date |
| 7627228 | Wireless video transmission system A wireless video receiving apparatus is provided with a first voltage-controlled clock generation portion that can generate a video dot clock having a relatively high frequency and a second voltage-controlled clock generation portion that can generate a video dot cl... | 12/01/2009 |
| 7379655 | Information searching device, information receiver, and methods therefor By storing usage history information of a recording medium for recording information, which is obtained by using the recording medium, in storing means 13, and retrieving information that matches a user's preference from a plurality of information based on th... | 05/27/2008 |
| 7358798 | Nonlinear filter A system and a method are disclosed for converting analog signal to digital. An analog to digital converter system comprises an analog to digital converter (ADC) and an adaptive filter coupled to the ADC, wherein the adaptive filter is coupled to the ADC in a feedfo... | 04/15/2008 |
| 7324742 | Video-signal processing apparatus and method, recording medium and program Apparatus to suppress image deterioration in a data, broadcast thereby providing a display with quality, wherein a video signal separated from a reception signal by a demultiplexer is outputted to a converter section through an MPEG decoder section. When the video s... | 01/29/2008 |
| 7287217 | Method and apparatus for processing markup language information Information represented in text-based markup languages, such as XML, is often a large, highly nested structure corresponding to complex patterns of metadata and/or data. Parsing such data streams via conventional software mechanisms rapidly exhibits degrading perfor... | 10/23/2007 |
| 7274862 | Information processing apparatus Audio data is prevented from not synchronizing with video data when splicing. A first GOP of a video stream of a second program is spliced to a last GOP of a video stream of a first program. A first GOP of an audio stream of the second program is spliced to a last G... | 09/25/2007 |
| 7271788 | Generating adjustable-delay clock signal for processing color signals Circuits, devices and methods provide a phase delay and use it to select when an analog color signal is converted to digital. The phase delay is adjustable, which permits choosing a moment in time when conversion results in improved processing. A PLL circuit receive... | 09/18/2007 |
| 7209641 | Decoder A decoder having improved accuracy for reading data. The decoder decodes reproduced data including preamble data, to which a first synchronization pattern is added, and information data, which follows the preamble data and to which a second synchronization pattern i... | 04/24/2007 |
| 7072572 | Method of and apparatus for merging bit streams for seamless reproduction, and recording medium for recording control information for bit stream merging A method of and apparatus for merging bit streams for seamless reproduction, and a recording medium for recording control information for bit stream merging. System clock reference (SCR) control information representing whether the SCR value of a bit stream is tempo... | 07/04/2006 |
| 6973258 | Method and apparatus for recording digital data streams A method and apparatus for recording digital data streams. When a digital broadcast data stream received by a set top box is transmitted through a communication interface such as an IEEE-1394 bus to a streamer, program clock references contained in the data stream b... | 12/06/2005 |
| 6950144 | Apparatus and method of controlling image display An apparatus and a method of controlling image display in an image display apparatus having a panel and wherein an image output is synchronized to a frame synchronization signal of an input signal. The method includes determining whether or not an input synchronizat... | 09/27/2005 |
| 6917725 | Modulated light source A method of producing a modulated light source including the steps of providing a modulator, fiberlessly coupling a laser diode light source to the modulator and enclosing the modulator and the laser diode light source within a housing together with output optics op... | 07/12/2005 |
| 6915225 | Method, apparatus and system for digital data resampling utilizing fourier series based interpolation The present invention provides a methodology, apparatus and system for resampling digital data utilizing a Fourier series based interpolation engine 104. A quick means to up-sample or down-sample data is provided without requiring computationally intensive pr... | 07/05/2005 |
| 6731861 | Video tape recorder In order to not only obtain excellent sound quality in a long-time recording mode not less than five times a standard recording mode by preventing, without narrowing a track pitch of a high-fidelity head, the high-fidelity head from tracing the third sound track fro... | 05/04/2004 |
| 6336001 | Digital recording/reproduction apparatus A digital recording/reproduction method and apparatus includes a data detection circuit for detecting a frequency of occurrence of a specific data value contained in an information signal, and a phase controller for controlling a phase of a sampling clock... | 01/01/2002 |
| 6320417 | Multiple-bit, current mode data bus A current mode data communication system is disclosed. The current mode data communication system has a transmitter to simultaneously transmit two digital data bits. The two digital data bits are combined to form a current mode signal. The current mode si... | 11/20/2001 |
| 6195500 | Phase control apparatus for video cassette recorder A phase control apparatus for a video cassette recorder comprising a control head for reproducing a control signal recorded on a control track of a tape, a control signal amplification circuit for amplifying the reproduced control signal at a varied ampli... | 02/27/2001 |
| 6128433 | Controlling frequency drift of a digital video tape drive A digital video tape drive and a method of controlling frequency drift in the tape drive. The tape drive includes a helical scan recorder in which the recording drum motor and the capstan motor arc synchronized to the frequency of a long-term reference cl... | 10/03/2000 |
| 5930448 | Tracking control circuit and method in digital image recording and reproducing device using bit error rate A tracking control circuit is disclosed for use in a digital image recording and reproducing device which has a mechanism (22) for controlling the movement of a magnetic medium according to a servo control signal, which has an error correction code decode... | 07/27/1999 |
| 5911034 | Method and circuit for producing synchronous control signals in video recorders In order to produce synchronous control signals of a video recorder, in particular of a digital video recorder, a position pulse of the scanner motor, which coincides with the beginning of the video frame, is used as time zero point. Time markers in which... | 06/08/1999 |
| 5892593 | Apparatus and method for processing a nonstandard sync signal in a video signal processing system There is disclosed a nonstandard sync signal processing apparatus for a video signal processing system, including: a signal separator separating a composite sync signal of a video signal into horizontal and vertical sync signals; a horizontal period count... | 04/06/1999 |
| 5887114 | Video memory device for processing a digital video signal comprising a separation means which separates a horizontal synchronizing signal from a digital video signal A video memory device is provided with a memory circuit, a write control circuit for controlling writing to the memory circuit by utilizing the horizontal synchronizing signal of a video signal input to the memory circuit, and a read control circuit for c... | 03/23/1999 |
| 5862294 | Video signal reproducing apparatus in image fast locking system A video signal reproducing apparatus in a system for fast locking a reproduced image obtained from a recording medium where a time code signal is also recorded. The apparatus includes a memory for storing plural frames of the video signal, a time code com... | 01/19/1999 |
| 5801769 | Vibration compensator with corrects for vibration errors based on servo control unit errors An apparatus including an image sensing system which receives light from an object and further outputs a video signal; a reproducing system which reproduces a video signal recorded on a recording medium; a selection circuit which selectively outputs eithe... | 09/01/1998 |
| 5666458 | Reproduction error correction circuit for a video reproduction system, and the method for operating it A reproduction error correction circuit for a video reproduction system includes a line-storage memory for temporarily storing composite video signal samples, which memory is operated to provide both for time-base correction and for drop-out compensation.... | 09/09/1997 |
| 5587804 | Reproduction error correction circuit for a video reproduction system & the method for operating it A reproduction error correction circuit for a video reproduction system includes a line-storage memory for temporarily storing composite video signal samples, which memory is operated to provide both for time-base correction and for drop-out compensation.... | 12/24/1996 |
| 5577015 | System for recording digital information in a pulse-length modulation An improved system for recording and playing back digital information in a special pulse-length modulation format on a disc-shaped record. The digital information is stored in a succession of alternating marks and spaces, both having lengths that are disc... | 11/19/1996 |
| 5576842 | Data detection method and apparatus therefor for use in a digital recording/reproduction system An apparatus for use in a digital recording/reproducing system includes a first comparator for receiving a reproduced analog signal, comparing the voltage level thereof with a first reference voltage of a predetermined level, and outputting a first compar... | 11/19/1996 |
| 5557335 | Time base corrector for video signal A time base corrector for video signal is disclosed in which a phase-locked loop is formed for a chroma carrier of a video signal so that a difficulty in detecting a phase error from a horizontal sync signal at an accuracy similar to the chroma carrier, i... | 09/17/1996 |
| 5493414 | Method of dubbing digital video signals A method of dubbing compressed digital video signals adopted for an apparatus for efficient coding and subsequent recording/playback of video signals. In the method of dubbing compressed digital video signals, on a playback unit side, after padding error ... | 02/20/1996 |
| 5486955 | Video tape recorder in which a video signal to be displayed is produced by utilizing a single main magnetic head An improved helical scan type video taperecorder for reproducing a high quality video signal with no distortions, and thereby eliminating a sag distortion is provided by applying a continuous reproduced video signal prepared by inserting FM signals reprod... | 01/23/1996 |
| 5461487 | Video playback device capable of removing time base errors from video signals A time base correcting apparatus for removing time base errors from video signals in a video tape playback device which is operable in either a first normal or high speed operation mode or a second still motion or slow speed operation mode. In the first o... | 10/24/1995 |
| 5406382 | Video signal recordding-reproduction apparatus for wide band video signals A video signal recording-reproduction device is provided with a recording device for applying time base extension of N-times to an input video signal to form a recording signal and recording the signal on a recording medium by dividing it into a plurality... | 04/11/1995 |
| 5394276 | Method and apparatus for two-channel recording of video signals A video signal recording apparatus is provided with first and second channels for transmitting an input video signal. The first channel has a line memory for conducting a 1H delay on data and a time-base-extension line memory for conducting time base exte... | 02/28/1995 |
| 5347316 | Image information transmission system having time base variation correcting function An image information transmission system of the kind receiving a transmitted analog image signal and forming digital image data by sampling the received analog image signal is arranged to control the timing of sampling according to the level of data of a ... | 09/13/1994 |
| 5335077 | Time base correcting device A time base correcting device inputs a video signal including a sync. signal and a burst signal, produces an error signal representing a phase difference between a clock signal synchronized with the sync. signal and the burst signal, writes the video sign... | 08/02/1994 |
| 5319500 | Video reproducing apparatus for maintaining picture quality during high speed search functions A video reproducing apparatus which controls a revolution speed of the rotary drum to have a variable speed according to the tape transport speed during a special playback, and maintains the inclination angle of the head running locus to be the same as th... | 06/07/1994 |
| 5309291 | Circuit for compensating the errors occurring when changing the playing back speed of a double azimuth 4-head VTR A circuit for compensating the errors occurring when changing the playing back speed of a double azimuth 4-head VTR includes first and second switches for switching data retrieved by four heads and amplified in response to head switching signals, a compar... | 05/03/1994 |
| 5280352 | Circuit arrangement for time base transformation of a digital picture signal A digital circuit arrangement for transforming an input digital picture signal onto a reference horizontal synchronizing signal raster derived from the system clock, which input digital picture signal is present at a system clock rate not locked with the ... | 01/18/1994 |
| 5257110 | Image information transmission system An image information transmission system according to the present invention is a system for transmitting image information. The system is arranged to receive a transmitted analog image signal and form digital image data by sampling the received analog ima... | 10/26/1993 |
