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| Number | Title | Issue Date |
| 7679679 | Synchronous detector A synchronization signal detector includes a horizontal synchronization level detector, a synchronization signal extractor, a first filter circuit, and a synchronous separator. The horizontal synchronization level detector detects a horizontal synchronization detect... | 03/16/2010 |
| 7633552 | Self-calibrating timing circuits for use in a sync separator Provided herein are self-calibrating timing circuits and methods for use in a sync separator. A comparator compares a video signal to a video reference voltage to produce a sliced sync signal that has a frequency that is equal to a scan frequency of a horizontal syn... | 12/15/2009 |
| 7580078 | Sync separator apparatus An input video signal is inputted into a first clamp circuit, and then inputted into a second clamp circuit as a clamped video signal so as to be inputted into a switch circuit. The second clamp circuit uses a clamp pulse for clamping a video signal within the perio... | 08/25/2009 |
| 7460174 | Apparatus and method for detecting synchronization signal of data signal utilizing synchronization symbols A synchronization signal detector includes: a first circuit configured to delay the data signal by a period of at least one data segment of the data signal to generate a delayed signal; a second circuit configured to produce a plurality of similarity signals accordi... | 12/02/2008 |
| 7423694 | Self-calibrating timing circuits for use in a sync separator Provided herein are self-calibrating timing circuits and methods for use in a sync separator. A comparator compares a video signal to a video reference voltage to produce a sliced sync signal that has a frequency that is equal to a scan frequency of a horizontal syn... | 09/09/2008 |
| 7417687 | Video synchronization signal removal circuitry A video synchronization signal removal circuit in which a synchronization signal component of an incoming video signal is detected whereupon a reference signal corresponding to a black video level is substituted substantially during the synchronization signal interv... | 08/26/2008 |
| RE40411 | Synchronizing signal separating apparatus and method This invention is a method and apparatus for identifying and separating the synchronizing signal component of video like signals by identifying or detecting the arrangement or sequence of the known occurances of events or patterns of the sync. The invention also pro... | 07/01/2008 |
| RE40412 | Synchronizing signal separating apparatus and method The present invention provides a synchronizing signal separation. In accordance with the present invention, a sync pulse processing circuitry slices a video signal and senses the peaks of the synchronizing pulse. A reference generating circuitry divides the output f... | 07/01/2008 |
| 7367042 | Method and apparatus for hyperlinking in a television broadcast A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,... | 04/29/2008 |
| 7362380 | Equilibrium based vertical sync phase lock loop for video decoder The present invention discloses a PLL (90), which may be implemented in software, hardware, or a combination of software and hardware, which comprises a sync detector (92), a loop filter (94), a vertical sync discrete time oscillator (DTO) (9... | 04/22/2008 |
| 7349032 | Circuit to resize and enlarge an image signal and resizing and enlargement method for an image signal The invention provides an image processing circuit having a capability of performing a reduction (resizing) process and an enlargement process on horizontal-scanning-line data inputted in synchronization with an input horizontal synchronization signal, and subsequen... | 03/25/2008 |
| 7348789 | Integrated circuit device with on-chip setup/hold measuring circuit An integrated circuit device disclosed herein includes a test device and a setup and hold measuring circuit. The setup and hold measuring circuit generates a reference signal and a data signal in response to an external clock signal in a test mode of operation. The ... | 03/25/2008 |
| 7345714 | Video signal clamp A circuit and method for clamping a composite video component signal at the video black level by using horizontal synchronization timing information contained within the signal and clamping the signal during a time interval in which it is at the desired black level.... | 03/18/2008 |
| 7339958 | System and method for performing signal synchronization of data streams A system for performing signal synchronization of data streams having frames associated with source time reference. A system clock generates a local time reference. A decoder processes the data stream. A system controller determines a difference between the source t... | 03/04/2008 |
| 7333150 | Method, system, and program product for eliminating error contribution from production switchers with internal DVEs Measurement of the relative timing between images and associated information, for example video and audio. Image mutual event characteristics are recognized in the images and associated mutual event characteristics are recognized in the associated information. The i... | 02/19/2008 |
| 7330515 | Method and apparatus capable of restricting resending operation A method and apparatus capable of restricting the resending operation are disclosed, in which the resending operation is controlled by determining the conditions of the input signal from a movable transmitting end, based on the guard interval period set in the signa... | 02/12/2008 |
| 7321399 | Multiplexed analog-to-digital converter arrangement A system such as an audio and/or video system includes a multiplexed analog-to-digital converter arrangement. The arrangement includes an ADC for converting first and second analog signals to first and second digital signals, respectively, and for outputting the fir... | 01/22/2008 |
| 7312793 | Liquid crystal display controller In a liquid crystal television, a display controller prevents burning of a liquid crystal panel due to irregularity in a synchronization signal. A counter of a liquid crystal display controller detects a period of a horizontal synchronization signal and a vertical s... | 12/25/2007 |
| 7301316 | Stable DC current source with common-source output stage A current source is provided for use with integrated circuits such as programmable logic device integrated circuits. The current source has an operational amplifier with positive and negative inputs and an output. The output is connected to a common-source output st... | 11/27/2007 |
| 7295248 | External synchronous signal generating circuit and phase difference measuring circuit An external synchronous signal circuit comprises: means for measuring a phase difference between the external frame synchronous signal (FRM_SYNC) and the frame synchronous signal (FRM) of the digital video signal; means for generating a signal (EXT_H) having the sam... | 11/13/2007 |
| 7283176 | Method and system for detecting field ID Methods and systems for determining fields in a video signal are disclosed. Historic field ID values for a received video signal may be stored and subsequently utilized by a summer and/or a correlator in order to estimate a field ID value for a current field. The su... | 10/16/2007 |
| 7274406 | Equilibrium based vertical sync phase lock loop for video decoder The present invention discloses a PLL (90), which may be implemented in software, hardware, or a combination of software and hardware, which comprises a sync detector (92) adapted to output a phase error (152), a vertical sync discrete time osci... | 09/25/2007 |
| 7271843 | Method and apparatus for analyzing a digitally converted analogue signal A method for obtaining line synchronization information items from a video signal is proposed. The inventive method is based on convolving the relevant part of an analogue video line signal with a pattern function. The result of the convolution operation is further ... | 09/18/2007 |
| 7268825 | Digital synchronizing generator A sync generator (genlock) (10) for frequency and phase locking an incoming video signal to a system clock (12) includes a digitizer (16, 22) for digitizing the incoming video signal to yield a digitized color sub-carrier burst component. A nume... | 09/11/2007 |
| 7259482 | Distance extender and method making use of same A distance extender (100, 200) for increasing a distance between a first device (145) and a second device (150) in electrical communication with the first device includes an electrical cable (130, 230) electrically coupled between the fir... | 08/21/2007 |
| 7260149 | Digital data transmission apparatus, digital data reception apparatus, digital broadcast reception apparatus, digital data transmission method, digital data reception method, digital broadcast reception method, and computer program A multiplexer 106 conducts time division multiplexing on various data trains input from a digital broadcast reception tuner 103 and various interfaces 104 and 105 while adding packet arrival time correction information. A demultiplexer | 08/21/2007 |
| 7256623 | Frequency programmable feed-forward oscillator and triangle wave generator A frequency programmable feed forward oscillator and triangular wave generator is disclosed having a first input for receiving an input voltage and a second input for receiving an input current. Circuitry within the device responsive to the input voltage scales the ... | 08/14/2007 |
| 7253844 | Method and arrangement for synchronising on-screen display functions during analog signal reception A method and an arrangement are disclosed for synchronizing on-screen display functions during analog signal reception in a terminal arrangement that is capable of receiving both digital and analog video signals. There are provided means (312, 313) for genera... | 08/07/2007 |
| 7250980 | Automatic detection of sync polarity in video timing and generation of blanking period indicator from sync information The present invention relates to a system and method for generating a blanking period indicator signal from sync information in video timing. The invention comprises an auto polarity detect processor adapted to automatically detect the polarity of at least one sync ... | 07/31/2007 |
| 7249367 | Method and apparatus for switching between multiple programs by interacting with a hyperlinked television broadcast A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,... | 07/24/2007 |
| 7215685 | Frame aligning deframer A method is disclosed of aligning a frame in a digital communication system. The method includes comparing a portion of a received data sequence to a portion of a predetermined sequence. If the total number of comparison errors does not exceed a tolerance threshold ... | 05/08/2007 |
| 7215379 | Alternative video sync detector A circuit for generating video synchronization timing signals includes a negative peak detector (FIG. 5) for following variations of a composite video signal (FIG. 1), rather than clamping the most negative voltage of the composite video signal. The ne... | 05/08/2007 |
| 7190407 | System, method and apparatus for sandcastle signal generation in a television signal processing device A system, method and apparatus are provided for generating 98 a sandcastle signal in a television signal receiver 90, and utilizing the sandcastle signal during television signal processing. In one form, the sandcastle signal is generated by subtractin... | 03/13/2007 |
| 7154537 | Camera system, control method thereof, device manufacturing apparatus, exposure apparatus, and device manufacturing method An exposure apparatus for exposing a substrate to a pattern. The apparatus includes a stage configured to hold the substrate and to move, a driving unit configured to drive the stage, a plurality of cameras, each of the plurality of cameras being configured to sense... | 12/26/2006 |
| 7138993 | LCD with integrated switches for DC restore An AC-coupled display driver circuit includes one or more DC-restore switches that are integrated within a liquid crystal display. A liquid crystal display system includes a coupling capacitor coupled at one end to a system input video signal, the coupling capacitor... | 11/21/2006 |
| 7120924 | Method and apparatus for receiving a hyperlinked television broadcast A system and method of receiving information hyperlinked to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded fo... | 10/10/2006 |
| 7117517 | Method and apparatus for generating data structures for a hyperlinked television broadcast A system and method of adding hyperlinked information to a television broadcast. The broadcast material is analyzed and one or more regions within a frame are identified. Additional information can be associated with a region, and can be transmitted in encoded form,... | 10/03/2006 |
| 7106231 | Video signal processing system including analog to digital converter and related method for calibrating analog to digital converter A video signal processing system capable of adjusting errors and related methods are introduced. The video signal processing system and related calibration methods utilize the characteristic of periodic breaks of video signals to perform various kinds of calibration... | 09/12/2006 |
| 7093170 | Coding apparatus and decoding apparatus for transmission/storage of information An output coding apparatus includes a coder for coding an inputted bitstream to an error correction and/or detection code composed of information bits and check bits; and a bitstream assembling section for assembling an outputted bitstream by inserting a synchroniza... | 08/15/2006 |
| 7092034 | Video signal processing device and method, recording medium, and program The present invention is related to a video signal processing apparatus and method, a recording medium, and a program which are suitably for use in determining whether an input video signal is standard or nonstandard. In synchronization with the edge of an advance v... | 08/15/2006 |
