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| Number | Title | Issue Date |
| 8143903 | Resonance scanning system and method for testing equipment for electromagnetic resonances A resonance scanning system and method for testing equipment for electromagnetic resonances uses a resonance detection subsystem with at least one probe to identify at least one of a resonating location, a resonating frequency and a quality factor of a resonance of ... | 03/27/2012 |
| 8135078 | Channel profile estimation for OFDM-based communication system A device and method for performing a channel profile estimation for an OFDM-based wireless communication system uses an averaged frequency coherence metric to select a particular channel profile, which is a current channel profile estimate. The averaged frequency co... | 03/13/2012 |
| 8134911 | OFDM-based device and method for performing synchronization in the presence of interference signals An OFDM-based device and method for performing synchronization utilizes a time-domain preamble of an incoming OFDM-based signal to compute an estimated fine frequency offset. The computation of the estimated fine frequency offset involves multiplying values of the t... | 03/13/2012 |
| 8130848 | Channel estimation for OFDM-based wireless communication system using sparsely spaced pilot subcarriers A device and method for performing a channel estimation for an OFDM-based wireless communication system using sparsely spaced pilot subcarriers estimates missing pilot subcarriers in an interpolation window using pilot subcarriers that are outside of the interpolati... | 03/06/2012 |
| 8050363 | Turbo decoder and method for turbo decoding a double-binary circular recursive systematic convolutional encoded signal A Turbo decoder and method for decoding a double-binary circular recursive systematic convolutional (DBCRSC) encoded signal with unknown initial and final states executes iterations of forward and backward recursion on a payload block of the DBCRSC encoded signal an... | 11/01/2011 |
| 8050362 | Soft-bit de-mapping device and method of generating soft bits for decoding A soft-bit de-mapping device and method of generating soft bits for decoding quantizes a log-likelihood ratio (LLR) value for a received value using functions bits and channel parameter bits to generate the soft bits. The function bits are generated by quantizing an... | 11/01/2011 |
| 8044339 | Intensity-based optical encoder using digital diffractive optic regions An optical encoder and method for measuring displacement information using an optical encoder uses an encoder member with multiple digital diffractive optic regions to optically diffract an incident beam of light to produce output beams of light having intensity dis... | 10/25/2011 |
| 8030876 | Stepper motor device with compensating non-sinusoidal driving values and method of producing the driving values A stepper motor device uses compensating non-sinusoidal driving values to compensate for operational non-sinusoidal drive characteristics of a motor of the device due to at least design and manufacturing imperfections in the motor. The compensating non-sinusoidal dr... | 10/04/2011 |
| 8023924 | Method for reducing power consumption in a multi-user digital communication system and mobile station employing the method A method for reducing power consumption in a multi-user digital communication system and mobile station employing the method adjusts receive and transmit mode durations of the mobile device using downlink and uplink allocations from a base station of the system, as ... | 09/20/2011 |
| 7912137 | OFDMA device and method of correcting frequency offset in OFDMA signals An Orthogonal Frequency Division Multiple Access (OFDMA) device and method of correcting frequency offset in OFDMA signals computes an estimated frequency offset, which is used for producing a frequency offset-compensated mixer signal using a reference clock signal.... | 03/22/2011 |
| 7849386 | Decoder and method for decoding a tail-biting convolutional encoded signal using Viterbi decoding scheme A decoder and method for decoding a tail-biting convolutional encoded signal using Viterbi decoding scheme performs a traceback operation for a first portion of a total code block, which includes a code block of the tail-biting convolutional encoded signal and a pad... | 12/07/2010 |
| 7817735 | Device and method of performing channel estimation for OFDM-based wireless communication system A device and method of performing channel estimation for an OFDM-based wireless communication system performs a Least Square interpolation with a statistical channel profile consideration on pilot channel estimates to derive data channel estimates at data subcarrier... | 10/19/2010 |
| 7817533 | Device and method for performing channel estimation for OFDM-based signals with variable pilot subcarrier spacing A device and method for performing channel estimation for an OFDM-based wireless communication system modifies pilot subcarrier spacing to use a set of interpolation coefficients associated with a different pilot subcarrier spacing. ... | 10/19/2010 |
| 7775853 | Configurable polishing apparatus A polishing apparatus for polishing semiconductor wafers comprises a main polishing structure, which includes a plurality of polishing tables, a plurality of polishing heads and a plurality of load-and-unload stations, and an add-on polishing structure, which includ... | 08/17/2010 |
| D616519 | Climbing rock wall structure | 05/25/2010 |
| D615607 | Compounded playing structure with nets | 05/11/2010 |
| 7674154 | Apparatus and method for polishing objects using object cleaners An apparatus and method for polishing objects, such as semiconductor wafers, uses at least one object cleaner, which may be a movable object cleaner. The movable object cleaner allows access to different parts of the apparatus for maintenance. ... | 03/09/2010 |
| 7628574 | Apparatus and method for processing substrates using one or more vacuum transfer chamber units An apparatus and method for processing substrates uses one or more vacuum transfer chamber units to transfer some of the substrates between at least one load lock chamber unit and at least one vacuum process chamber unit. ... | 12/08/2009 |
| D603475 | Excavator-shaped playing structure | 11/03/2009 |
| 7595480 | Optical encoder with encoder member having one or more digital diffractive optic regions An optical encoder uses an encoder member with one or more digital diffractive optic regions to optically manipulate an incident beam of light to extract relative displacement information of the encoder member. ... | 09/29/2009 |
| 7566863 | Optical encoder with diffractive encoder member An optical encoder uses an encoder member with a digital diffractive track to optically manipulate an incident beam of light into manipulated beams of light, which are detected as spots of light that represent a digital absolute position value of the encoder member.... | 07/28/2009 |
| 7453676 | RC-triggered ESD power clamp circuit and method for providing ESD protection An RC-triggered electrostatic discharge (ESD) power clamp circuit and method for providing ESD protection uses a control circuit with a latch to selectively activate a clamping transistor to discharge ESD on a first voltage rail to a second voltage rail. ... | 11/18/2008 |
| 7417399 | Integrated motor device and method of setting and reading driver configuration parameters using driver configuration data embedded in driver control signals An integrated motor device with driver circuitry and method of setting and reading configuration parameters of the driver circuitry uses configuration data embedded in driver control signals to set at least one configuration parameter of the driver circuitry. ... | 08/26/2008 |
| 7405532 | Microstepper motor device and method of controlling the device A microstepper motor device and method of controlling the device uses a microcontroller that provides current sinusoidal values from at least one array of sinusoidal values to power circuitry of the device in response to control signals. The power circuitry is conne... | 07/29/2008 |
| 7397266 | System and method for testing the electromagnetic susceptibility of an electronic display unit A system and method for testing the electromagnetic (EM) susceptibility of an electronic display unit monitors the light emitted from the electronic display unit as EM noise is applied at a particular testing location of the electronic display unit. An error in the ... | 07/08/2008 |
| 7374471 | Apparatus and method for polishing semiconductor wafers using one or more pivotable load-and-unload cups An apparatus and method for polishing objects, such as semiconductor wafers, utilizes one or more pivotable load-and-unload cups to transfer the objects to and/or from one or more object carriers to polish the objects. Each pivotable load-and-unload cup may be confi... | 05/20/2008 |
| 7367866 | Apparatus and method for polishing semiconductor wafers using pivotable load/unload cups An apparatus and method for polishing objects, such as semiconductor wafers, utilizes pivotable load/unload cups to transfer the objects to object carriers to polish the objects on at least one polishing surface. The pivoting axes of the pivotable load/unload cups a... | 05/06/2008 |
| 7364496 | Polishing head for polishing semiconductor wafers A polishing head and method for handling and polishing semiconductor wafers uses a base structure with at least one recess region and an outer flexible membrane that can conform to the at least one recess region to form at least one depression to hold a semiconducto... | 04/29/2008 |
| 7306002 | System and method for wet cleaning a semiconductor wafer A system and method for cleaning a substrate, such as a semiconductor wafer, utilizes a rotatable wafer supporting assembly with a cylindrical body to provide stability for the substrate being cleaned, even at high rotational speeds. The rotatable wafer supporting a... | 12/11/2007 |
| 7258124 | Apparatus and method for treating surfaces of semiconductor wafers using ozone An apparatus and method for treating surfaces of semiconductor wafers with a reactive gas, such as ozone, utilizes streams of gaseous material ejected from a gas nozzle structure to create depressions on or holes through a boundary layer of processing fluid formed o... | 08/21/2007 |
| 7238614 | Methods for fabricating one or more metal damascene structures in a semiconductor wafer Methods for fabricating one or more metal (e.g., copper) damascene structures in a semiconductor wafer use at least three polishing steps to reduce erosion topography in the resulting metal damascene structures and/or increase throughput. The polishing steps may be ... | 07/03/2007 |
| 7223153 | Apparatus and method for polishing semiconductor wafers using one or more polishing surfaces An apparatus and method for polishing objects, such as semiconductor wafers, utilizes one or more polishing surfaces, multiple wafer carriers and at least one load-and-unload cup. The load-and-unload cup may be configured to move to and from the wafer carriers in a ... | 05/29/2007 |
| 7051743 | Apparatus and method for cleaning surfaces of semiconductor wafers using ozone An apparatus and method for cleaning surfaces of semiconductor wafers utilizes streams of gaseous material ejected from a gas nozzle structure to create depressions on or holes through a boundary layer of cleaning fluid formed on a semiconductor wafer surface to inc... | 05/30/2006 |
| 7022193 | Apparatus and method for treating surfaces of semiconductor wafers using ozone An apparatus and method for treating surfaces of semiconductor wafers with a reactive gas, such as ozone, utilizes streams of gaseous material ejected from a gas nozzle structure to create depressions on or holes through a boundary layer of processing fluid formed o... | 04/04/2006 |
