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Assignee: Marvell World Trade Ltd.


Location: St. Michael, BB
No. of patents: 325

1                  
NumberTitleIssue Date
8183846Method and apparatus for controlling a DC/DC converter
A control system including a DC/DC converter and a control module. The DC/DC converter includes a first inductor and a second inductor. The DC/DC converter is configured to i) receive a first DC voltage and ii) output a second DC voltage. The control module is confi...
05/22/2012
8175197Preamble detection with unknown channel
A system includes a correlation module and a control module. The correlation module is configured to generate correlation values based on a correlation of modulated signals with a plurality of preamble sequences and generate correlation values. The modulated signals...
05/08/2012
8175119Efficient physical layer preamble format
A method for generating a preamble of a data unit includes generating a short training field (STF) of the preamble to include one of a repeating series of a sequences or a repeating series of b sequences, such that a and b are complementary sequences, a sum of out-o...
05/08/2012
8175118Efficient physical layer preamble format
A method of generating a data unit preamble includes generating a first field associated with at least one of packet synchronization information or frame boundary indication, and generating a second field associated with channel estimation, including generating a fi...
05/08/2012
8171380Adaptive systems and methods for storing and retrieving data to and from memory cells
Adaptive systems and methods that may help assure the reliability of data retrieved from memory cells are described herein. The systems may include a memory device including a plurality of memory cells, a data quality monitoring block, and an adaptive data encoding ...
05/01/2012
8170518Dual antenna system having one phase lock loop
Circuits, systems, and methods are disclosed for controlling multiple antenna receive paths in a wireless communication device. In some embodiments, the circuit may include a pair of receiving antennas, a first receive path including a VCO coupled to receive a PLL s...
05/01/2012
8166271Memory controller for setting page length and memory cell density for semiconductor memory
A memory controller including a type determining module and a page determining module. The type determining module is configured to determine a type of memory to which the memory controller is connected, wherein the memory includes a memory block comprising a plural...
04/24/2012
8165544Bluetooth and WLAN coexistence architecture having a shared low noise amplifier
A radio frequency (RF) front-end configured to share transmissions and receptions of Bluetooth signals and WLAN signals. In an exemplary embodiment, the RF front-end comprises a first path coupled between an antenna and a transceiver dedicated to transmissions of th...
04/24/2012
8165185Physical layer data unit format
In a wireless communication system wherein communication devices exchange information utilizing data units that conform to a first format, wherein the first format includes a short training field (STF) spread with a first spread code and a first cover code, a method...
04/24/2012
8164773Wireless system-in-package and image processing control apparatus
A wireless printer system includes a wireless transceiver that generates a baseband signal based on a received radio frequency signal. A first system on a chip communicates with the wireless transceiver and includes a system on a chip. The system on a chip includes ...
04/24/2012
8164521Pseudo-omni-directional beamforming with multiple narrow-band beams
In a technique for communication with a station on a wireless network, the technique includes forming a plurality of narrow-band beams, each having a different angular direction from an antenna of a base station and collectively distributed over a beamspace to form ...
04/24/2012
8164428Power control device
A controllable light bulb comprises an electrical connector, a receiver module, an electronic switch, a translucent casing, and a light producing element. The electrical connector receives a power signal. The receiver module is powered by the power signal received v...
04/24/2012
8161215Hard disk drive integrated circuit with integrated gigabit Ethernet interface module
A system including a network interface module, a first processor, a hard disk control module, and a second processor. The network interface module is configured to communicate with a network. The first processor is configured to communicate with the network interfac...
04/17/2012
8159881Reference voltage optimization for flash memory
A system includes a voltage generator and a reference voltage setting module. The voltage generator is configured to generate K voltages to be applied to memory cells. The K voltages are used to determine a reference voltage used to read the memory cells, where K is...
04/17/2012
8155597Transmission scheduling for receiver feedback
A network device including a first feedback module and a first calibration module. The first feedback module generates a first transmission schedule, which include (i) a first subcarrier schedule to determine an order of transmitting subcarriers and (ii) a first mat...
04/10/2012
8154902Bit line decoder architecture for NOR-type memory array
An integrated circuit including a plurality of bit lines, a memory array, and a bit line decoder. The memory array includes a plurality of memory cells, wherein each memory cell is respectively coupled to (i) two corresponding bit lines of the plurality of bit lines...
04/10/2012
8151129Computer with low-power secondary processor and secondary display
A computer having an active mode and an inactive mode includes a primary processor and a primary memory. A primary display is associated with the primary processor and the primary memory. The primary processor, the primary memory, and the primary display are operate...
04/03/2012
8150478Uplink power control in aggregated spectrum systems
A method for communication includes modulating data in a wireless communication terminal to produce an aggregated-spectrum signal, which includes at least first and second signals in respective first and second spectral bands. The modulated data is transmitted in th...
04/03/2012
8149811Wireless network with simultaneous uplink transmission of independent data from multiple client stations
A wireless network including client stations and an access point. A first set of client stations transmit uplink user data during a simultaneous uplink transmission period without sensing channel prior to transmitting the uplink user data. A second set of client sta...
04/03/2012
8149626Threshold voltage digitizer for array of programmable threshold transistors
A method and system for determining a respective threshold voltage of each of a plurality of transistors in a memory array. The method includes: applying a ramp voltage to gates of the plurality of transistors, wherein the ramp voltage is configured to increase base...
04/03/2012
8144748Method and apparatus for equalizing CDMA signals
A minimum mean square error (MMSE) equalizer corresponding to a plurality of receive antennas is generated using channel information for a first plurality of users including a desired user, a ratio of interference power to signal power, channel information for a sec...
03/27/2012
8143825Determining stuck conditions for electric motors using inductive sensing
A control system includes a position control module, a power control module, and a diagnostic module. The position control module applies a driving current for positioning a rotor of a motor at one of first and second positions. The power control module applies a fi...
03/27/2012
8135098BICM decoding in the presence of co-channel interference
Systems and methods are provided for computing soft information for digital information based on a received signal, where the received signal suffers from noise and interference. A receiver that decodes the received signal may estimate channel information, such as t...
03/13/2012
8134988Coexistence mechanism for WiMAX and IEEE 802.11
A network device includes a first communication module and a second communication module. The first communication module communicates with a first device using a first wireless communication standard. The first communication module receives data from the first devic...
03/13/2012
8130872Frequency and Q-factor tunable filters using frequency translatable impedance structures
A system includes an input node, a frequency translatable impedance (FTI) filter, and a radio frequency (RF) downconverter module. The input receives an input signal having first and second components. The FTI filter filters the second components. The RF downconvert...
03/06/2012
8127053System and method for peripheral device communications
A host device includes a peripheral control module that includes a first memory register that receives data from a first memory and a direct memory access (DMA) module that communicates with the first memory. The host device also includes a host control module that ...
02/28/2012
8126098Multi-rake receiver
A wireless receiver includes M antennas that each receive a wireless signal. N rake receiver modules receive the wireless signals from the M antennas and combine multipath components of the wireless signals. A summing module receives outputs of the N rake receiver m...
02/28/2012
8122326Encoding and error correction system for enhanced performance of legacy communications networks
A system includes a header stripper configured to strip header data from a plurality of legacy system frames. Each of the plurality of legacy system frames (i) being in accordance with a legacy system frame format and (ii) including a header block and a traffic chan...
02/21/2012
8121662Virtual FM antenna
An apparatus and method for receiving wireless signals couples an antenna input of a receiver to a human body and receives a signal conducting from said body. Impedance matching circuitry lessens signal power loss at the antenna input. Parameters of the impedance ma...
02/21/2012
8121209Concatenation-assisted symbol-level combining for MIMO systems with HARQ and/or repetition coding
Systems and methods are provided for decoding signal vectors in multiple-input multiple-output (MIMO) systems, where the receiver has received one or more signal vectors from the same transmitted vector. The receiver combines the received vectors by vector concatena...
02/21/2012
8121065TDMA controller for a wireless communication system and method of operating same
A time division multiple access (TDMA) controller and method for operating the same includes a frame position module that generates a frame position signal. The controller also includes a signal module that generates a signal-on signal and a signal-off signal and a ...
02/21/2012
8120286Control system for fluorescent light fixture
A ballast module regulates power output to a fluorescent light. The ballast module includes a component. A temperature sensor senses temperature of the component. A control module adjusts power output to the fluorescent light based on the temperature of the componen...
02/21/2012
8116233IP assignment scheme for dynamic peer-to-peer networks
An approach for assigning IP network addresses and for performing name resolution and service discovery in infrastructure mode and/or ad-hoc mode peer-to-peer networks. The size of an ad-hoc network and/or the size of infrastructure network basic service sets may be...
02/14/2012
8112048Method and apparatus to manage power consumption of a semiconductor device
Briefly, a method an apparatus of a power management system of a semiconductor device capable of managing a power consumption of the semiconductor device by varying an operating voltage of the semiconductor device according to a voltage value based on a reference nu...
02/07/2012
8111050Power factor control systems and methods
A boost converter comprises an inductance that receives an input signal. A switch controls current supplied by the inductance to a load. A power factor control module comprises a mode control module that selects an operating mode of the boost converter and a switch ...
02/07/2012
8103921Fully-buffered dual in-line memory module with fault correction
A memory system including a first memory, a content addressable memory, a testing module, and a memory controller. The first memory includes first memory cells. The content addressable memory includes second memory cells and is configured to store addresses of selec...
01/24/2012
8100497Handheld image translation device
Systems, apparatuses, and methods for a handheld image translation device are described herein. The handheld image translation device may include an image capture module to capture surface images of a medium and a positioning module to determine positioning informat...
01/24/2012
8099629System-on-a-chip (SoC) test interface security
Apparatus having corresponding methods and computer programs comprise: a processor; a test interface that is in communication with the processor only when the test interface is enabled; a first memory to store firmware for the processor; and a second memory to store...
01/17/2012
8098123Power inductor with reduced DC current saturation
A power inductor includes a first magnetic core having a first end and a second end, an inner surface and an outer surface, and an inner cavity defined by the inner surface. A slotted air gap in the first magnetic core extends from i) the first end to the second end...
01/17/2012
8094631Coexistence system and method for wireless network devices
A wireless network interface includes a component, a first sub-client module that operates using a first wireless protocol, and a second sub-client module that operates using a second wireless protocol. The first and second wireless protocols are different. The firs...
01/10/2012
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