| Patent # | Description |
|---|---|
| US-6,993,089 |
Digital modulator The present invention relates to a digital modulator (DM) and to an associated method of modulation. The digital modulator (DM) comprises a clock frequency... |
| US-6,993,088 |
Encoding scheme for producing magnetic field signals having desired
spectral characteristics Methods and systems for producing an encoded information signal having attenuated low frequency spectral components and a substantially constant average energy.... |
| US-6,993,087 |
Switching mode power amplifier using PWM and PPM for bandpass signals Switching mode power amplifiers using pulse width modulation (PWM) and pulse position modulation (PPM) for generating bandpass signals is disclosed. Fully... |
| US-6,993,086 |
High performance short-wave broadcasting transmitter optimized for digital
broadcasting A short wave high efficiency radio broadcasting transmitter for digital transmissions. The transmitter includes a power tube in which the grid is excited by a... |
| US-6,993,085 |
Encoding and decoding methods and devices and systems using them For encoding a source sequence of symbols (u) as an encoded sequence, the source sequence (u) is divided into p.sub.1 first sub-sequences (U.sub.i), p.sub.1... |
| US-6,993,084 |
Coarse frequency synchronisation in multicarrier systems A method for generating a signal having a frame structure, each frame of the frame structure comprising at least one useful symbol, a guard interval associated... |
| US-6,993,083 |
Apparatus and method of OFDM demodulation An apparatus and method for OFDM demodulation establish symbol synchronization to minimize between-symbol interference even under an environment where multipath... |
| US-6,993,082 |
Station and method for operating a CAN communication line A CAN communication line is operated whilst detecting a ground level shift on the communication line through storing a data element indicative for the shift. In... |
| US-6,993,081 |
Seamless splicing/spot-insertion for MPEG-2 digital video/audio stream A system and method for a seamless splicing/spot insertion strategy for MPEG-2 digital video/audio transport stream with no previously encoded information. This... |
| US-6,993,080 |
Signal processing A decoder 2 decodes a first compressed digital video bitstream whilst preserving the compression parameters thereof, the compression parameters including a first... |
| US-6,993,079 |
Variable length coding method A variable length coding method is provided. The method comprises comparing corresponding portions of a present picture and a previous picture received by a... |
| US-6,993,078 |
Macroblock coding technique with biasing towards skip macroblock coding A technique for encoding macroblocks of a frame is provided which includes switching a coding decision for a macroblock from a non-intra decision to a skip... |
| US-6,993,077 |
Experimental design for motion estimation An experimental design for motion estimation in video compression that reduces the number of search locations within a search window by selecting the search... |
| US-6,993,076 |
Apparatus and method for deriving an enhanced decoded reduced-resolution
video signal from a coded... An improved image processing system involves decoding compressed image data including frequency domain coefficients defining blocks of pixel values representing... |
| US-6,993,075 |
Systems and methods for reducing error propagation in a video data stream The present invention is related to error resilient video encoding. A first instruction to intracode a first frame is received. In response to the first... |
| US-6,993,074 |
Methods and arrangements for handling concentric mosaic image data Methods and arrangements are provided for compressing, transporting and decompressing/rendering concentric mosaic image data. The methods and arrangements... |
| US-6,993,073 |
Optimization software module and method for video compression under MPEG An MPEG Optimization Software (MOPSW) for maximizing a Video Compression Ratio (VDCR) while maintaining a good output Video Image Quality (VDIQ) of an Input MPEG... |
| US-6,993,072 |
Digital signal coding apparatus A digital signal coding apparatus for controlling the coding operation of a coding unit so as to obtain predetermined information amount and for recording into a... |
| US-6,993,071 |
Low-cost high-speed multiplier/accumulator unit for decision feedback
equalizers A multiplier device for multiplying one of a discrete set of digital level values with a filter coefficient in a filter device implemented in a decision feedback... |
| US-6,993,070 |
Method and system of iteratively detecting and decoding received symbols
coupled with re-estimation of the... In order to detect and iteratively decode encoded and interleaved symbols, prior to any iteration, a linear estimation (A) of the transmission channel... |
| US-6,993,069 |
Simulation process of radiofrequency scenario in radio mobile environment
and testing system employing said process A testing system includes simulation equipment for generating a radiofrequency test signal for the receivers of a base transceiver station, which is equipped... |
| US-6,993,068 |
Method for estimating and synchronizing frame boundaries of mis-aligned
cross-talk signals in a DMT system In a telecommunications transmission system using a DTM system as a multicarrier system and having at least two VDSL systems, each including a pair of modems,... |
| US-6,993,067 |
Fractional bit rate encoding in a pulse amplitude modulation communication
system Fractional bit rate encoding in a pulse amplitude modulation (PAM) communication environment allows the transmission of fractional bit rates, thus maximizing the... |
| US-6,993,066 |
Transmitting apparatus and gain compensating method A code multiplexer multiplexes spread data output from a spreader to generate code-multiplexed data. A reference data generator generates redundant data with... |
| US-6,993,065 |
Multi-channel spread spectrum system A multi-channel spread-spectrum system separates a data stream, for example from a convolutional encoder and an interleaver, into sub-channel data-sequence... |
| US-6,993,064 |
Multi-user receiving method and receiver A receiver is provided, in which the receiver includes K signal extraction parts, a signal estimation part, K joint probability calculation parts and a... |
| US-6,993,063 |
Outer loop/weighted open loop power control A transmission power level for a user equipment in a wireless time division duplex communication system using code division multiple access is determined. An... |
| US-6,993,062 |
Forward link device of multicarrier communication system and method for
realizing the same A forward link device of a multicarrier CDMA communication system with an overlay scheme in which a multicarrier system and an IS-95 system share same frequency... |
| US-6,993,061 |
Operating an induction melter apparatus Apparatus and methods of operation are provided for a cold-crucible-induction melter for vitrifying waste wherein a single induction power supply may be used to... |
| US-6,993,060 |
Resistor made from carbonaceous material A crenellated resistor made from a carbonaceous material and having the shape of a hollow cylinder for use in furnaces working at high temperature. The resistor... |
| US-6,993,059 |
Apparatus for reducing spacing of beams delivered by stacked diode-laser
bars Apparatus for reducing spacing between a plurality of parallel, spaced apart plane-polarized laser-radiation beams delivered by a stack of laser-diode bars... |
| US-6,993,058 |
Coherent population trapping detector A CPT detector and a method for detecting CPT are disclosed. The CPT detector includes a quantum absorber, a polarization analyzer, and a detector. The quantum... |
| US-6,993,057 |
Coarse spectrometer with a grating A quasi-monochromatic light beam carrier for a particular telecommunication channel is likely to experience drift because of age, temperature, or other factors,... |
| US-6,993,056 |
Hetero laser and light-emitting source of polarized radiation A device and method for hetero laser and light-emission of high polarization radiation. Previous light emitting devices suffered from very low degree of the... |
| US-6,993,055 |
Resonant cavity device array for WDM application and the fabrication
method of the same The specification discloses a resonant cavity device array for wavelength division multiplexing and the method for fabricating it. The structure of the resonant... |
| US-6,993,054 |
Enhanced link operation of directly modulated lasers using gain-coupled
gratings Increasing the gain-coupling of a DFB directly modulated semiconductor laser permits the output response to be overdamped without lowering the relaxation... |
| US-6,993,053 |
Thin clad diode laser A diode laser having a plurality of layers including a thin (e.g., about 0.3 .mu.m or less) p-type cladding layer, the plurality of layers having a substantially... |
| US-6,993,052 |
System and method for delay compensation for a pulsed laser Method and system provide a variable delay between the external trigger pulse for a laser system and the light pulse such that the total delay is controlled. The... |
| US-6,993,051 |
External cavity tunable laser with provisions for intracavity optical
reflection suppression An external cavity laser system includes an in-line optical filter and a reflection suppressor that efficiently suppresses back-reflected light while allowing... |
| US-6,993,050 |
Transmit and receive system for cable data service A transmit and receive system for transmitting data between a transmit site and a receive site. The system includes a tunnel source, router and modulator for... |
| US-6,993,049 |
Communication system A communications system comprises a primary station (100) and at least one secondary station (101). The primary station (100) is arranged to broadcast a series... |
| US-6,993,048 |
ATM permanent virtual circuit and layer 3 auto-configuration for digital
subscriber line customer premises... The present invention pertains to a method and device for automatically configuring the Permanent Virtual Circuit (PVC) of a Digital Subscriber Line (DSL)... |
| US-6,993,047 |
Any size and location of concatenated packet data across SONET frames in a
SONET signal Any size and location of concatenated packet data across Synchronous Optical Network (SONET) frames in a SONET signal is provided. In one embodiment, a method... |
| US-6,993,046 |
Mapping of block-encoded data formats onto a bit/byte synchronous
transport medium A fibre channel (FC) signal representing block encoded data is applied to a block decoder, which removes the block encoding from the data. The data is then... |
| US-6,993,045 |
Adaptive bandwidth throttling for network services The adaptive bandwidth throttling system implements a graceful diminution of services to the clients by delaying a first class of services provided by a network... |
| US-6,993,044 |
Computerized method for allocating access across a shared communication
medium A computerized method for allocating among a plurality of users bandwidth for conveying information across a shared communications medium includes the steps of... |
| US-6,993,043 |
End-to-end prioritized data delivery on networks using IP over frame relay The invention provides methods and systems for providing priority processing to critical data as the data is transmitted across a network. A plurality of... |
| US-6,993,042 |
LAN interface apparatus and a method of controlling the transmission and
reception of a frame Disclosed is a method of avoiding a collision of a frame and enabling the guarantee of the QoS in a network using the CSMA/CD system, wherein when a terminal... |
| US-6,993,041 |
Packet transmitting apparatus Disclosed is a packet transmitting apparatus for transmitting packets belonging to a plurality of groups having priorities that differ from one another. The... |
| US-6,993,040 |
Adaptive service weight assignments for ATM scheduling A system and method for adaptively assigning queue service weights to an ATM traffic management controller in order to reduce service weight update calculations.... |