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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 8189116 | Digital television transmitter and method of coding data in digital television transmitter A pre-processor pre-processes enhanced data packets by coding the enhanced data packets for forward error correction (FEC) and expanding the FEC-coded data packets. A data formatter adds first null data into first place holders within each pre-processed enhanced dat... | 05/29/2012 |
| 8174625 | DTV transmitter and method of coding data in DTV transmitter A DTV transmitter includes a pre-processor pre-processing supplemental data, a multiplexer multiplexing pre-processed data with main data, and a byte-symbol converter converting each data byte of the multiplexed data into a symbol. It further includes a symbol proce... | 05/08/2012 |
| 8144258 | DTV receiving system and method of processing DTV signal A digital television (DTV) receiving system includes a tuner, a demodulator, a known data detector, an equalizer, a transmission detector, and a block decoder. The tuner receives a DTV signal having a data frame in which main and mobile service data are multiplexed.... | 03/27/2012 |
| 8072549 | Repeater apparatus to provide a source apparatus with format information that can be processed by both a sink apparatus and the repeater apparatus and method for controlling the same In a home theater system having a source apparatus, a repeater apparatus and a sink apparatus connected in the recited order, when connected to a sink apparatus, whatever type it is, the repeater apparatus provides the source apparatus with video and audio signal fo... | 12/06/2011 |
| 8035753 | Apparatus and a method for transmitting and receiving a broadcast signal and a data structure thereof A method for transmitting a broadcast signal including generating display control information for a plurality of broadcast objects to be displayed on a receiving terminal, and transmitting the broadcasting signal including both the plurality of broadcast objects and... | 10/11/2011 |
| 8023046 | Multi-input multi-output time encoding and decoding machines Methods and systems for encoding and decoding signals using a Multi-input Multi-output Time Encoding Machine (TEM) and Time Decoding Machine are disclosed herein. ... | 09/20/2011 |
| 8009236 | Broadcast transmission relay circuit A transmission relay circuit, a broadcast signal relay method, and a signal detection device are disclosed. Preferably, the transmission relay circuit includes a microcontroller, a broadcast signal sensing and discerning circuit configured for determining the broadc... | 08/30/2011 |
| 7995151 | Broadcast method and system A method and system for airing broadcast signals is disclosed. Preferably, the system includes a production truck interface panel receiving a broadcast signal. A transmission relay circuit relays the signal from the interface panel to a broadcast network, and prefer... | 08/09/2011 |
| 7990479 | Communication system and communication method A transmitting device transmits a video signal and an audio signal based on a television broadcasting signal, or a still picture signal and a silence signal as a transmission signal to a receiving device. The receiving device supplies the video signal and the audio ... | 08/02/2011 |
| 7936401 | Communication system, transmitter, receiver, communication method, program, and communication cable The present invention relates to a communication system, a transmitter, a receiver, a communication method, a program, and a communication cable for providing high-speed bidirectional communication while maintaining compatibility. When an HDMI (R) source 71 p... | 05/03/2011 |
| 7932956 | DTV transmitter and method of coding data in DTV transmitter A DTV transmitter includes a pre-processor pre-processing supplemental data, a multiplexer multiplexing pre-processed data with main data, and a byte-symbol converter converting each data byte of the multiplexed data into a symbol. It further includes a symbol proce... | 04/26/2011 |
| 7924347 | Digital signal transmitter synchronization system Methods, and apparatus for carrying out the methods, are disclosed for synchronizing a plurality of RF transmitters that are supplied with a common digital information signal for carrier modulation and subsequent transmission on a common channel throughout a prescri... | 04/12/2011 |
| 7859596 | DTV receiving system and method of processing DTV signal A digital television (DTV) receiving system includes a tuner, a demodulator, a known data detector, an equalizer, a transmission detector, and a block decoder. The tuner receives a DTV signal having a data frame in which main and mobile service data are multiplexed.... | 12/28/2010 |
| 7843514 | Signal transmitter and signal receiver In a signal transmitter and a signal receiver, a multiplexing part multiplexes a video signal and a time-base-compressed audio signal on the basis of a multiplexing control signal to transmit the multiplexed signal through a data line in the signal transmitter. Furt... | 11/30/2010 |
| 7808561 | Apparatus and method for transforming a digital TV broadcasting signal to a digital radio broadcasting signal The present invention relates to an apparatus for transforming digital TV broadcasting signals into digital radio broadcasting signals and a method thereof. The apparatus includes: a transport stream generator for transforming TV broadcasting signals outputted from ... | 10/05/2010 |
| 7777817 | Digital broadcasting system and method of processing data in digital broadcasting system A digital broadcast receiving system and a method for controlling the same are disclosed. The method includes the steps of receiving a broadcast signal having mobile service data and main service data multiplexed therein, extracting transmission parameter channel (T... | 08/17/2010 |
| 7764323 | Digital television transmitter and method of coding data in digital television transmitter A pre-processor pre-processes enhanced data packets by coding the enhanced data packets for forward error correction (FEC) and expanding the FEC-coded data packets. A data formatter adds first null data into first place holders within each pre-processed enhanced dat... | 07/27/2010 |
| 7760272 | High-quality twisted-pair transmission line system for high-resolution video A system comprising a first filter having an input and an output adapted to compensate for the characteristics of a first length of twisted-pair wire is disclosed. A first bypass path has an input and an output for bypassing the first filter. A second filter has an ... | 07/20/2010 |
| 7724309 | Multichannel quadrature modulation A multichannel television access control system is disclosed wherein processing of the broadband signal is performed by gated coherent RF injection on a plurality of channels, thereby effecting selective descrambling of an arbitrary subset of channels in a channel g... | 05/25/2010 |
| 7667780 | Digital signal transmitter synchronization system Methods, and apparatus for carrying out the methods, are disclosed for synchronizing a plurality of RF transmitters that are supplied with a common digital information signal for carrier modulation and subsequent transmission on a common channel throughout a prescri... | 02/23/2010 |
| 7636132 | Transmitter, receiver, wireless system, control method, control program, and computer-readable recording medium containing the program A central wireless microcomputer of a central wireless unit (transmitter) constituting a wireless AV system identifies a content type of video and audio data to be transmitted, according to EPG, and sets a transmission rate of the video and audio data to be transmit... | 12/22/2009 |
| 7576804 | Triax transmitter and receiver interfaces and transmission system A triax transmitter interface for transmitting a video signal on a triax cable comprises a video signal input port, a first modulator for modulating a luminance component of a video signal received at said input port onto a first carrier and a second modulator for m... | 08/18/2009 |
| 7528891 | Digital signal transmission system and method, transmission apparatus and method, and reception apparatus and method An AV signal transmission/reception apparatus and a digital signal transmission system and method. A reception apparatus and method that can reproduce an audio reference clock of a plurality of different frequencies from a video reference clock. A pixel clock is div... | 05/05/2009 |
| 7477324 | Transmission system The invention relates to a transmission system (10) comprising a transmitter (12) and a receiver (14). The transmitter (12) is arranged for transmitting a plurality of signals (13), e.g. radio and/or television signals. The plurali... | 01/13/2009 |
| 7474358 | Digital transmission system and clock reproducing device Letting fp be the frequency of a pixel clock, fs be the audio sampling frequency, and fa be the frequency of an audio clock to be reproduced, fa=384fs=(N/M)fp, where N and M are frequency dividing ratios between the pixel clock and the audio clock of a frequency cor... | 01/06/2009 |
| 7440702 | Method for transmitting digital image signal, digital image transmitting device, digital image sending device and digital image receiver A multiplexer of a transmission section generates a clock signal by multiplying a reference clock signal of a digital image signal by a predetermined number âKâ. A parallel digital image signal is converted into a serial digital signal on the basis of the clock ... | 10/21/2008 |
| 7379121 | Signal transmitting device and signal receiving device In a signal transmitter and a signal receiver, a multiplexing part multiplexes a video signal and a time-base-compressed audio signal on the basis of a multiplexing control signal to transmit the multiplexed signal through a data line in the signal transmitter, and ... | 05/27/2008 |
| 7372927 | Digital filter for software-defined radio system, digital intermediate frequency signal processing apparatus having the digital filter, and method thereof Disclosed is a receiver digital filter for a digital IF signal processor suitable for the specification of each communication standard in a communication system that supports at least one communication standard. The filter for each standard is constructed as one blo... | 05/13/2008 |
| 7365766 | Video-assisted apparatus for hearing impaired persons There is described a method for providing audio and visual communication between a speaker and at least one hearing impaired person. The method comprises the steps of providing the speaker with a headset frame having a camera attached thereto and positioned to captu... | 04/29/2008 |
| 7362817 | UWB (Ultra Wide Band) interference mitigation UWB (Ultra Wide Band) interference mitigation. A novel solution is presented whereby various piconet operable devices are operated to support a relatively structured interference pattern. The devices operate cooperatively (e.g., within multiple piconets that may be ... | 04/22/2008 |
| 7358834 | Transmission line voltage controlled nonlinear signal processors Waveguide nonlinear signal processors include transmission lines defined on a substrate. A plurality of varactors or pairs of varactors are situated along the transmission line and are in communication with a signal conductor of the transmission line and one or more... | 04/15/2008 |
| 7340008 | Method and apparatus for rearranging codeword sequence in a communication system A method and apparatus for mapping a stream of bits output from an encoder to a stream of bits for 2m-ary modulation. The method and apparatus divides the stream of bits from the encoder into a first period and a second period. The first period includes b... | 03/04/2008 |
| 7333153 | Expanded information capacity for existing communication transmission systems A system for transmitting digital programming includes a program source providing digital information, circuitry for modulating the digital information onto a visual carrier modulated with analog television programming, and a visual transmitter coupled to the modula... | 02/19/2008 |
| 7327959 | Camera-mountable fiber optic transceiver system A system includes a multiplexing transceiver which is adapted to mount directly between a video camera and a camera battery pack, eliminating the need for triaxial adapters or other electrical cables at the camera and video production facility. A fiber optic cable c... | 02/05/2008 |
| 7324167 | High-quality twisted-pair transmission line system for high-resolution video A system comprising a first filter having an input and an output adapted to compensate for the characteristics of a first length of twisted-pair wire is disclosed. A first bypass path has an input and an output for bypassing the first filter. A second filter has an ... | 01/29/2008 |
| 7321403 | Video signal transmitting/receiving system In a transmitting section for a video signal transmitting/receiving system for transmitting digital video signals using a plurality of transmission channels, video guard band signals are inserted into video signals associated with the transmission channels immediate... | 01/22/2008 |
| 7313208 | Pre-equalization for low-cost DTV translators A low cost DTV translator, which translates an incoming signal on channel A to an outgoing signal on channel B, includes a transmitter pre-equalizer whose taps are configured with tap values that pre-distort a signal so as to negate distortion caused by a high power... | 12/25/2007 |
| 7307666 | Transmitter identification system The invention relates to a transmitter identification system, which utilizes an identification signal embedded into a digital television signal, enabling the transmitter of origin to be identified at a receiving station. Ideally the identification signal is an ortho... | 12/11/2007 |
| 7298396 | Apparatus and method for monitoring transmission systems using embedded test signals A monitoring system for an RF transmission system, such as a multi-channel television broadcasting antenna feed system, gathers data about the physical and electrical condition of the RF transmission system in real time. The system can detect and localize deteriorat... | 11/20/2007 |
| 7292286 | Multichannel quadrature modulation A method and apparatus for modulating both quadrature components of each of a plurality of RF signals comprising a multichannel signal is disclosed. By employing certain digital signal processing techniques, a pair of composite baseband signals is produced in manner... | 11/06/2007 |
