At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.
Method and apparatus for providing network redundancy
According to one embodiment, providing network redundancy includes configuring a session registrant database to have one or more virtual standby states. Each...
Subcarrier allocation apparatus and method, subcarrier de-allocation
apparatus and method in OFDM system
A subcarrier allocating apparatus allocating data to be transmitted to a plurality of orthogonal subcarriers in an orthogonal frequency division multiplexing...
Ultra-wide bandwidth system and method for in-premises wireless networking
An IS-OFDM system for ultra-wideband (UWB) wireless communications that suppresses narrow-band interference, comprising an in-premises base station (IBS) is...
Apparatus, systems and methods adapted for opportunistic forwarding of
uplink short messages in wireless...
An embodiment of the present invention provides an apparatus, comprising a subscriber station (SS) operable to communicate with a base station (BS) and at least...
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...
Method and apparatus for multiplexing and demultiplexing asynchronous
Provided is a method and apparatus for multiplexing bitstreams that are coded to have different frame lengths using asynchronous time alignment, in which, based...
Optical information storage medium, optical information storage medium
playback apparatus, method of...
A super resolution medium (1) is provided with an information signal region (11) where a content, such as a video or audio content, is recorded and a test read...
Diffractive optical element and optical pickup
An optical pickup with a simplified structure in which, according to the type of optical disc, diffracted light from three types of laser light can be directed...
Optical head, optical element with diffraction grating, optical disc
device and information processing device
An optical head includes a blue-violet laser light source for emitting a blue-violet laser beam, a mirror with a diffraction grating for transmitting and...
Apparatus and method to optimize the performance of a holographic data
A method is disclosed to optimize the performance of a holographic data storage system, where that holographic data storage system comprises a plurality of...
Information storage device and storage media
In an information memory apparatus having minute areas for storing information arranged in x, y and z directions three-dimensionally, parallel rays are...
Information recording method and information recording apparatus for
A recording method for recording data in basic reproduction unit to a recording medium having a first recording layer and a second recording layer, includes...
Method and apparatus for digital data accompanied by degradation
Degraded digital data is distributed from a server 1 to each user A, B, C, and D. An encrypted degradation compensation module is also delivered to the digital...
Optical disc drive apparatus and its control method
An optical disc drive apparatus which is mounted on a mobile apparatus, which at least reads information from a disc surface of an optical disc disposed in a...
Optical disk reproducing apparatus
The present invention relates to an optical disk reproducing apparatus, and provides a technology capable of supporting even a situation in which a reproduction...
Recording and reproducing apparatus and laser-driving pulse adjusting
A recording and reproducing apparatus includes optical head means for writing and reading information expressed by a mark and a space on an optical recording...
Optical recording medium, information recording method, and information
According to one embodiment, an optical recording medium is provided in which interlayer crosstalk is low and in which stable and high-quality recording...
Method and device for protecting a PLL in reading signals on a defect disc
A device for protecting a PLL in reading signals on a defect disc from disturbance and instability is provided. The device includes a defect detection unit, a...
Current gain control system
A current gain control system is described and comprises first and second gain blocks respectively associated with the first and second input channels, wherein...
Write-once optical disc, and method and apparatus for
recording/reproducing data on/from the optical disc
A write-once recording medium structure and an apparatus and method for recording final management information on the recording medium, are provided. The...
Circuit for generating tracking error signal
A circuit for generating a tracking error signal is provided. The circuit includes a digitized circuit, a short signal removing circuit and phase comparator....
Surface plasmon polariton direction change device, read/write head,
laser-assisted magnetic recording...
This invention provides a surface plasmon polariton direction change device (1) for changing a propagation direction of a surface plasmon polariton (5). The...
Optical recording head and optical recording apparatus
Provided is an optical recording head in which a light beam from a light source is collected by an optical element and reflected on a reflecting surface to be...
Timepiece with modular display
A timepiece includes: a housing (10), a movement (12) provided in the housing, a piece of glass (14) closing the housing, a dial (60) provided between the...
Apparatus for generating a seismic source signal
A seismic source signal generator having feed-forward control uses pressure, current, and/or valve position sensors to detect system component parameters....
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to...
Systems and methods for augmenting gunshot location using echo processing
Systems and methods are disclosed for processing weapon fire information such as gunfire. In one exemplary implementation, there is provided a method of...
Method and apparatus of location tracking
Disclosed are an apparatus and a method of location tracking. The location tracking apparatus may calculate a location of an object using an ultrasound. In this...
Directional acoustic density sensor
The invention as disclosed is a fiber optic interferometric directional acoustic density sensor that increases the directionality of a vector sensor that is...
Method and apparatus for reducing oscillation in synchronous circuits
Control signal oscillation filtering circuits, delay locked loops, clock synchronization methods and devices and systems incorporating the control signal...
High-speed compression architecture for memory
Memory design techniques are disclosed that provide a high compression ratio at no loss in speed. The techniques can be embodied, for instance, in...
Semiconductor memory device
A semiconductor memory device comprises a memory unit having a first and a second port and including plural banks; a bank address conversion circuit operative...
A memory circuit includes a plurality of word lines, a plurality of bit lines, and a plurality of memory cells. Configurations of the plurality of memory cells...
Semiconductor device including an anti-fuse element
A semiconductor device includes a first high potential power supply, a second low potential power supply, a third power supply having a potential higher than...
Thermally stable reference voltage generator for MRAM
A non volatile memory device comprises memory cells such as MRAM cells, reading circuits and a reference cell for generating a reference for use by the reading...
Semiconductor integrated circuit
A semiconductor integrated circuit has a plurality of memory devices each comprising a memory cell array which includes a plurality of memory cells to store...
Semiconductor memory device having redundancy circuit for repairing
defective unit cell, and method for...
A semiconductor memory device includes banks of unit cells, wherein two or more adjacent banks of the banks share a redundancy circuit configured to perform a...
Signal calibration for memory interface
A method of calibrating memory controller signals within an integrated circuit (IC) can include determining an internal delay of a clock network of the IC and...
Semiconductor device having delay control circuit
A first delay circuit and a second delay circuit having different operation conditions from each other, a detection circuit that detects a difference in...
Data input/output apparatus and method for semiconductor system
A semiconductor memory device includes: a strobe signal reception unit configured to receive a strobe signal and generate a tracking clock signal; a clock...
Data storage system with removable memory module having parallel channels
of DRAM memory and flash memory
A data storage system includes a first circuit board, a plurality of sockets coupled to the first circuit board, an connector coupled to each of the sockets for...
Dynamic leakage control for memory arrays
A memory circuit is disclosed that comprises a plurality of memory cells coupled to a virtual voltage rail. The plurality of memory cells may form, for example,...
Flash memory device and programming/erasing method of the same
A flash memory device includes a bulk region, first through nth memory cell transistors arranged in a row on the bulk region, first through nth word lines...
Apparatus and methods for programming multilevel-cell NAND memory devices
Methods and apparatus are provided. A first data value is read from a first memory cell and is stored. An attempt is made to add a second data value to the...
Programming memory with reduced pass voltage disturb and floating
gate-to-control gate leakage
Program disturb is reduced in a non-volatile storage system by programming storage elements on a selected word line WLn in separate groups, according to the...
High-density non-volatile read-only memory arrays and related methods
In an embodiment, a read-only memory array includes a plurality of word lines, a plurality of bit-lines including first and second bit-lines, and a plurality of...
Semiconductor memory having electrically erasable and programmable
semiconductor memory cells
An electrically alterable non-volatile multi-level memory device and a method of operating such a device, which includes setting a status of at least one of the...
Memory device biasing method and apparatus
Memory devices and methods are disclosed, such as those facilitating data line shielding by way of capacitive coupling with data lines coupled to a memory...
Memory array having a programmable word length, and method of operating
A memory cell array and device having a memory cell array (i.e., an integrated circuit device, for example, a logic device (such as, a microcontroller or...
Phase change memory devices and systems, and related programming methods
A method programs a phase change memory device. The method comprises receiving program data for selected memory cells; generating bias voltages based on...