Patents

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-6,614,855 Apparatus for receiving broadcasting signals
An apparatus for receiving broadcasting signals includes a signal receiving portion for receiving a broadcasting signal, a frequency convertor for converting the...
US-6,614,854 System and method for adaptive predistortion
Distortion introduced into a multiamplitude signal format or amplitude and phase signal format by a high power microwave amplifier is compensated by a system...
US-6,614,853 Method of transmission and device to carry out said method
Transmission method in which angle-modulated pulses with temporally opposite angle modulation are generated in the receiver during the duration of the pulse,...
US-6,614,852 System for the estimation of the complex gain of a transmission channel
A system for the estimation of the complex gain of a transmission channel is designed for parallel type modulators/demodulators that can be used in digital radio...
US-6,614,851 Efficient algorithm for blind detection of signal constellation
A method for determining the signal constellation of a received signal establishes a moment based on each waveform, squares the moment, fourth powers the moment,...
US-6,614,850 Method and apparatus for puncturing code symbols in a communications system
Techniques for puncturing symbols in a communications system. S symbols are received for a frame having a capacity of N symbols, with S being greater than N. P...
US-6,614,849 Wireless infrared digital audio receiving system
A system for transmitting, receiving, recovering, and reproducing digitized samples of analog signals while concealing unrecoverable digitized samples of analog...
US-6,614,848 Device for transmitting signals between moving parts
Devices consisting of a signal source and a signal sink connected by a transmission channel for transmitting high-frequency signals, as well as digital signals...
US-6,614,847 Content-based video compression
A video compression method and system including object-oriented compression plus error correction using decoder feedback.
US-6,614,846 Method and apparatus for transmitting, encoding and decoding video signal and recording/reproducing method of...
The present invention includes a motion vector detector for detecting motion vectors using a first image signal of high resolution; a resolution reducer for...
US-6,614,845 Method and apparatus for differential macroblock coding for intra-frame data in video conferencing systems
A process for reducing spatial redundancy and thereby increasing the efficiency of video compression techniques for video conferencing. A process for improving...
US-6,614,844 Method for watermarking a video display based on viewing mode
A format to be used with the MPEG-4 standard alters the way video content is displayed on a screen based on whether the content is played in a normal playback...
US-6,614,843 Stream indexing for delivery of interactive program guide
Stream indexing for delivery of an interactive program guide. In accordance with a first aspect, a method of stream indexing for delivery of an interactive...
US-6,614,842 FIR filter architecture for 100Base-TX receiver
A 100Base-TX receiver employs a finite impulse response (FIR) filter to provide both equalization and insertion loss compensation for an MLT-3 input signal. The...
US-6,614,841 Signal processing apparatus
A reproduced signal is adaptively equalized in an adaptive equalizer after going through an AD converter. The AD converter, the adaptive equalizer, a phase error...
US-6,614,840 Equalizer with phase-locked loop
An equalizer with a phase-locked loop comprising: a phase rotator which rotates a phase of a received signal to output a rotated signal; an impulse response...
US-6,614,839 Method and apparatus for identifying the encoding type of a central office codec
A technique for identifying the encoding law utilized by a central office codec may be implemented in a receive modem. The encoding law, which is typically...
US-6,614,838 System and method of communication via embedded modulation
A communication system includes a master transceiver in communication with one or more transceivers, for example, a first tributary transceiver and a second...
US-6,614,837 Device system and method for low noise radio frequency transmission
A low noise transmitting device is disclosed. The transmitting device receives a modulated signal having a modulation bandwidth and an intermediate center...
US-6,614,836 Biased-corrected rake receiver for direct sequence spread spectrum waveform
The performance of a RAKE receiver for indoor multipath WLAN applications on direct sequence spread spectrum signals having relatively short codeword lengths...
US-6,614,835 Acquisition method and configuration for carrying out the method
A communications acquisition method includes a correlation of a received, coded spread sequence having a length of m bits with a locally generated spread...
US-6,614,834 Communication arrangement and method with fast tracking receiver for spread spectrum signals
A fast-tracking discrimination approach provides rapid acquisition useful for direct-sequence spread spectrum applications. In one example embodiment, the...
US-6,614,833 Method for generating complex four-phase sequences for a CDMA communication system
A method for generating complex four-phase pseudo-random code sequences which may be directly mapped to a quadrature phase shift keying (QPSK) signal constellation.
US-6,614,832 Method of determining electrode length and bath level in an electric arc furnace
A method for the continuous determination of the distance between an electrode tip and level of a bath in an electric arc furnace so as to be able to exactly...
US-6,614,831 Mounting arrangement for auxiliary burner or lance
A mounting enclosure and an improved mounting arrangement for apparatus used in metal melting, refining and processing, particularly those apparatus adapted for...
US-6,614,830 Laser beam adjustment
An attachment for a hand held laser directed temperature measurement device includes a radiometer for invisible radiation detection and a laser beam generator...
US-6,614,829 Mechanically grounded tunable laser
The present invention provides an apparatus for mechanically stabilizing tunable lasers by mechanically grounding laser components. Lasers stabilized using...
US-6,614,828 Wavelength selector for laser with adjustable angular dispersion
A tunable laser is provided having a gain medium and a resonator for generating a laser beam, and an angular dispersion element. The laser further includes a...
US-6,614,827 High power laser
In an apparatus and method for generating high power laser radiation, the geometry of the resonant laser cavity defines a fundamental spatial or transverse...
US-6,614,826 Laser system and method for gain medium with output beam transverse profile tailoring longitudinal strips
A laser system and method having an output laser beam uses an gain medium with one or more output beam transverse profile tailoring (OBTPT) longitudinal strips...
US-6,614,825 Monolithic VCSEL-based optical pickup and servo control device
A VCSEL-based monolithic optical pickup system for use with optical recording media with a retaining member, a plurality of VCSELs disposed on the retaining...
US-6,614,824 Nitride semiconductor laser device and optical device using the same
A nitride semiconductor laser device having a low threshold current and low noise is provided. The laser device includes n-type and p-type layers made of nitride...
US-6,614,823 Semiconductor laser device having a diffraction grating on a light reflection side
A semiconductor device includes an active layer configured to radiate light, a light reflecting facet positioned on a first side of the active layer, a light...
US-6,614,822 Semiconductor laser devices, and semiconductor laser modules and optical communication systems using the same
A semiconductor laser device and module for use in a dense wavelength division multiplexed optical communications system are shown. The laser device preferably...
US-6,614,821 Laser diode and semiconductor light-emitting device producing visible-wavelength radiation
A laser diode includes a substrate having a lattice constant of GaAs or between GaAs and GaP, a first cladding layer of AlGaInP formed on the substrate, an...
US-6,614,820 Semiconductor laser driving method and optical disc apparatus
A semiconductor laser driving method, which is usable in an optical disc apparatus, for example, makes it possible to use a semiconductor laser in a low noise...
US-6,614,819 Method of modulating an optical wavelength with an opto-electronic laser with integrated modulator
A method of converting an optical wavelength includes providing a wavelength converter assembly with a photodetector and a laser with a common epitaxial...
US-6,614,818 Mode-hop-free single frequency solid state laser
An optical resonator has an axial mode frequency tuning rate with respect to temperature matching the peak gain frequency tuning rate, so that mode hops are...
US-6,614,817 Laser apparatus
A laser apparatus includes a resonator and an excitation source for gain section excitation. The resonator includes a gain section in which a population...
US-6,614,816 Optical electromagnetic wave generator
Microwaves are generated by heterodyning the outputs of two or more optical lasers which have differing central frequencies to produce beat frequencies in the...
US-6,614,815 Blue laser based on interactions in fiber
An approach to blue light in a single, integrated system is disclosed. An oscillator generates source radiation at a wavelength near 0.91 microns and a few...
US-6,614,814 Multiplexed signal demultiplexing device transmission error measuring device and transmission error measuring...
The transmission error measuring device comprises; a first counting circuit, a test data outputting circuit, a selecting circuit, a multiplexing circuit, a...
US-6,614,813 Multiplexed chirp waveform synthesizer
A synthesizer for generating a desired chirp signal has M parallel channels, where M is an integer greater than 1, each channel including a chirp waveform...
US-6,614,812 Computer telephony integrated module system
A computer telephony integrated module system which connects peripheral devices to one another without using an additional modem port includes at least: a CPU...
US-6,614,811 Modular multi-service telecommunication access device
A modular multi-service telecommunication access device includes a controller card and card slots for six peripheral cards and a power supply. Any of several...
US-6,614,810 Method for processing data to be transmitted over common channel
A method for processing a common channel message in a CDMA communication system. The method includes mapping a signaling message generated in a Layer 3, a medium...
US-6,614,809 Method and apparatus for tunneling across multiple network of different types
A system and method are shown for establishing tunnel connections across multiple networks of differing types. A tunnel media translator device is connected to...
US-6,614,808 Network packet aggregation
A system aggregates data packets communicated between one or more sessions on a source system and one or more sessions on a target system by: collecting one or...
US-6,614,807 Method for data flow control between layers of a layered communication protocol
A method for data flow control in a device using a layered communication protocol, in which method data units are transmitted asynchronously between two adjacent...
US-6,614,806 Method and apparatus for interfering receiver signal overload protection
A method and apparatus for controlling incoming power to a receiver in a dual mode communication device. According to the method and apparatus, the received...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | Next →