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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 7286473 | Null packet replacement with bi-level scheduling A system and method for null packet replacement having a global scheduler (12) select data from a plurality of self-managed queues (14) to insert in to the data stream in place of null packets. The queues (14) managed by the global scheduler hav... | 10/23/2007 |
| 7283965 | Delivery and transmission of dolby digital AC-3 over television broadcast Methods and apparatus for broadcasting high quality audio “studio direct” with the same digital information employed in the studio by the video producer with AC-3 digital audio signals for broadcast to integrated receiver decoders (IRD). The methods and apparatu... | 10/16/2007 |
| 7275163 | Asynchronous configuration One or more embodiments of the invention provide a method, apparatus, and article of manufacture for providing access to digital services. Configuration information that has been transmitted asynchronously is received in a security component (that is configured to c... | 09/25/2007 |
| 7263292 | Methods and apparatus for controlling multiple infrared devices A method and apparatus for controlling a plurality of infrared devices (ICDs) is provided herein. A remote controller is used to generate an optical signal for controlling a plurality of ICDs. The optical signal generated by the remote controller is converted into a... | 08/28/2007 |
| 7260159 | Method and apparatus for providing higher order modulation that is backwards compatible with quaternary phase shift keying (QPSK) or offset quaternary phase shift keying (OQPSK) A method and apparatus for providing an asymmetrical backwards compatible communications signal that is capable of being decoded by QPSK and OQPSK receivers as well as PSK and QAM receivers is provided. The invention comprises a timing error accumulator coupled to a... | 08/21/2007 |
| 7257418 | Rapid user acquisition by a ground-based beamformer A method for rapid acquisition of a specific subscriber by a ground-based beamformer includes the steps of defining a coverage area as an arrangement of a plurality of cells wherein one of the plurality of cells includes a specific subscriber; defining a partition o... | 08/14/2007 |
| 7257370 | Method and apparatus for mitigating interference from terrestrial broadcasts sharing the same channel with satellite broadcasts using an antenna with posterior sidelobes An apparatus for simultaneously receiving a first signal from a non-terrestrial source and a second signal from a terrestrial source on the same or overlapping channels using a receive antenna with posteriorly-directed sidelobes is disclosed. The apparatus comprises... | 08/14/2007 |
| 7254829 | Method and apparatus for detecting and viewing similar programs within a video system A device that detects and displays similar programs within a video system includes a memory, a display and a receiver that receives an input stream of television program content and electronic program guide data, wherein the program guide data includes a plurality o... | 08/07/2007 |
| 7245671 | Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers Systems and methods for receiving non-coherent layered modulation signals are presented. An exemplary apparatus comprises a tuner for receiving a layered signal and producing a layered in-phase signal and a layered quadrature signal therefrom, an analog-to-digital c... | 07/17/2007 |
| 7245599 | Application of complex codes to maximize user link utilization A method of increasing utilization of user link bandwidth for a code division multiple access communications system is disclosed that includes the steps of selecting a set of orthogonal complex codes each having a code length that is greater than a code length of an... | 07/17/2007 |
| 7240357 | Simultaneous tuning of multiple satellite frequencies A system and method for receiving services is presented. The system comprises a first splitter having an input, a first output and a slaved output receiving a first signal at the input having a single polarization including a first service and a slaved service, wher... | 07/03/2007 |
| 7237174 | Method and system for providing short block length low density parity check (LDPC) codes in support of broadband satellite applications An approach is provided for encoding short frame length Low Density Parity Check (LDPC) codes. An encoder generates a LDPC code having an outer Bose Chaudhuri Hocquenghem (BCH) code. Structure is imposed on the LDPC codes by restricting portion part of the parity ch... | 06/26/2007 |
| 7236508 | Application of complex codes to maximize feeder link utilization A method of increasing utilization of user link bandwidth for a code division multiple access communications system is disclosed that includes the steps of selecting a set of orthogonal complex codes each having a code length that is greater than a code length of an... | 06/26/2007 |
| 7234098 | Method and apparatus for providing reduced memory low density parity check (LDPC) codes An approach is provided for generating Low Density Parity Check (LDPC) codes. An LDPC encoder generates a LDPC code with an outer Bose Chaudhuri Hocquenghem (BCH) code. For a rate 3/5 code, the approach provides a degree profile that yields reduced memory requiremen... | 06/19/2007 |
| 7230480 | Estimating the operating point on a non-linear traveling wave tube amplifier A method, apparatus, article of manufacture, and a memory structure provide the ability to determine an input operating point and an output operating point on a non-linear traveling wave tube amplifier (TWTA). The non-linearity of the TWTA is measured. An input root... | 06/12/2007 |
| 7225458 | Method and apparatus for ensuring reception of conditional access information in multi-tuner receivers A method and apparatus for receiving conditional access information (CAI) on one or more of a plurality of tuners while the user is selecting different channels is disclosed. The method comprises the steps of receiving the CAI on a first tuner tuned to a first chann... | 05/29/2007 |
| 7215954 | Resource allocation method for multi-platform communication system A mobile wireless communications system including a plurality of individual transponding nodes of various types, all in communication with a central processing hub. A local user signal is processed by the central processing hub and radiated through multiple paths to... | 05/08/2007 |
| 7212248 | Method and apparatus for lipsync measurement and correction A method and apparatus for synchronizing audio and video portions of a media program signal is disclosed. The method comprises the steps of detecting an audio event in the audio portion of the media program signal, measuring the timing interval from the audio event ... | 05/01/2007 |
| 7209524 | Layered modulation for digital signals Signals, systems and methods for transmitting and receiving layered modulation for digital signals are presented. A layered signal for transmitting data, comprises a first signal layer including a first carrier and first signal symbols for a first digital signal tra... | 04/24/2007 |
| 7206501 | Method and apparatus for identifying MPEG picture coding types In a digital video recording system (DVR), a method of identifying the MPEG picture coding type of individual pictures of a GOP that is contained within a DSS transport packet, without parsing and evaluating each DSS transport packet. The picture coding type identif... | 04/17/2007 |
| 7203887 | Method and system for routing in low density parity check (LDPC) decoders An approach is provided for decoding a low density parity check (LDPC) coded signal. Edge values associated with a structured parity check matrix used to generate the LDPC coded signal are retrieved from memory. The edge values specify the relationship of bit nodes ... | 04/10/2007 |
| 7203314 | Super encrypted storage and retrieval of media programs with modified conditional access functionality A method and apparatus for storing and retrieving program material for subsequent replay is disclosed. The apparatus comprises a conditional access module, for accepting encrypted access control information and the program material encrypted according to a first enc... | 04/10/2007 |
| 7202833 | Tri-head KaKuKa feed for single-offset dish antenna A method and apparatus for receiving signals transmitted from a plurality of communications satellites. An apparatus in accordance with the present invention comprises a reflecting surface having a focal point, and a plurality of low noise block down converters with... | 04/10/2007 |
| 7203311 | Super encrypted storage and retrieval of media programs in a hard-paired receiver and storage device A method and apparatus for storing and retrieving program material for subsequent replay is disclosed. The apparatus comprises a tuner, for receiving a data stream comprising encrypted access control information and the program material encrypted according to a firs... | 04/10/2007 |
| 7200360 | Communication system as a secondary platform with frequency reuse A communications system (10) and method of operating the communications system includes a first stratospheric platform generating a second beam having a frequency the same as a satellite beam to the same service area. User terminals are configured to receive ... | 04/03/2007 |
| 7198230 | Method and system for maximizing satellite constellation coverage A method and system for maximizing satellite coverage at predetermined local times for a set of predetermined geographic location includes a processor operative to determine a period of rotation for each of the desired satellites in the satellite constellation. The ... | 04/03/2007 |
| 7195204 | High altitude platform control system A method and system for controlling a movable appendage on an aerospace vehicle independent from the position of the aerospace vehicle. First and second beacons containing actual position information for the movable appendage are tracked and acquired by first and se... | 03/27/2007 |
| 7195161 | Smart card reader The present invention relates to a smart card reader (10) that enables a user to insert a smart card (20) into an open receptacle (15) that includes tabs (16) or a lip (32) that resiliently holds the smart card (20) within t... | 03/27/2007 |
| 7197550 | Automated configuration of a virtual private network Data is received by a service provider that is indicative of a selected server-side system and a selected client-side system between which a VPN is to be established. Security settings are then automatically determined for the client-side system based at least parti... | 03/27/2007 |
| 7191378 | Method and system for providing low density parity check (LDPC) encoding An approach is provided for a method of encoding structure Low Density Parity Check (LDPC) codes. Memory storing information representing a structured parity check matrix of Low Density Parity Check (LDPC) codes is accessed during the encoding process. The informati... | 03/13/2007 |
| 7191461 | Method and apparatus for adapting program guides to meet subscriber criteria A system and method for adapting program guides to meet subscriber criteria, and for providing program guide information to selected subscribers based upon subscriber criteria such as the subscriber's location within a market area is disclosed. In one embodiment, th... | 03/13/2007 |
| 7187949 | Multiple basestation communication system having adaptive antennas A communication system has a first plurality of wireless basestations having adaptive antennas with a plurality of main array antenna elements for generating a plurality of communication beams. The system further includes a gateway station coupled to the first plura... | 03/06/2007 |
| 7184761 | Satellite communications system A communication system has a plurality of ground stations for communicating communication signal to a plurality of satellites located in an inclined elliptical sub-geosynchronous orbit with respect to the earth. The plurality of satellites operate in a service area ... | 02/27/2007 |
| 7184489 | Optimization technique for layered modulation A method and apparatus for optimizing a system for transmitting a layered modulated signal is disclosed. The method comprises the steps of defining the system in terms of a set of system parameters, including an optimal power separation S between a power of a first ... | 02/27/2007 |
| 7184473 | Equalizers for layered modulated and other signals A method and apparatus for equalizing digital data signals is disclosed. The method comprises the steps of demodulating and decoding an input signal having input data to produce a data output, remodulating the data output to produce a training sequence including an ... | 02/27/2007 |
| 7181162 | Communication system using multiple link terminals A communication system has a plurality of bases stations generating communication portions from a base station communication signal. The plurality of base stations are capable of using the entire allocated bandwidth to generate the base station communication portion... | 02/20/2007 |
| 7177365 | Space-time trellis code for orthogonal frequency division multiplexing (OFDM) A communication system for transmitting encoded signals over a communication channel is disclosed. The system includes a transmitter, which has a source that is configured to output a plurality of input signals. The transmitter also includes an encoder that is confi... | 02/13/2007 |
| 7173981 | Dual layer signal processing in a layered modulation digital signal system Systems and methods for receiving layered modulation for digital signals are presented. An exemplary apparatus comprises a tuner for receiving a layered signal and producing a layered in-phase signal and a layered quadrature signal therefrom, an analog-to-digital co... | 02/06/2007 |
| 7173977 | Method and apparatus for tailoring carrier power requirements according to availability in layered modulation systems A method and apparatus transmitting a layered modulation signal having a first signal layer having first signal symbols and a second signal layer having second signal symbols is disclosed. The method comprises the steps of determining a first signal layer modulation... | 02/06/2007 |
| 7171158 | Satellite communication system using linear cell tracking An improved satellite communication device and system are provided. The satellite communication device uses yaw or roll-yaw steering to linearize angular track of uplink cells; one-dimensional linear “ratcheting” in an uplink antenna to maintain resource allocat... | 01/30/2007 |
