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Patent # Description
US-7,532,566 Use of identifier of remote unit for downstream signals
Systems and methods for orthogonal frequency division multiplexing multipoint-to-point communications systems are provided. In one embodiment, a method...
US-7,532,565 Mapping data tones onto guard tones for a multi-band OFDM system
A device (104, 106, 108) is provided for wireless communication. The device (104, 106, 108) includes a transmitter (200) operable to transmit an orthogonal...
US-7,532,564 Sub-banded ultra-wideband communications systems
A sub-banded ultra-wideband (SB-UWB) system may combine aspects of an orthogonal frequency division multiplexing (OFDM) modulation scheme with aspects of an...
US-7,532,563 Mechanism to improve quality of channel estimates in OFDM transmissions
An OFDM (Orthogonal Frequency Division Multiplexing) system may utilize pilot symbol structures including two or more pilot symbols with pilot information on...
US-7,532,562 High-data-rate communication link using multiple lower rate modems
A method for communication includes receiving a composite signal, which carries data at a first data rate and includes multiple sub-signals that are interleaved...
US-7,532,561 Information recording medium, method and apparatus for recording and reproducing information
An information recording medium includes a lead-in area and a data area for storing contents information. The lead-in area includes a first lead-in information...
US-7,532,560 Signal processing circuit for optical disc drivers and the related method
A signal processing circuit for adjusting an input signal and generating a corresponding digital output signal in an optical disk driver is provided. The signal...
US-7,532,559 Audio player
An audio-player comprises a loading-unit, a memory, an operating-unit, a dubbing-unit, a playback-unit, and a display-unit. The loading-unit loads a disc. The...
US-7,532,558 Data recording method and data recording medium
A system for modulating digital binary data to be recorded on a recording medium comprises the generation of channel bits of the digital binary data to be...
US-7,532,557 Recording pulse generating apparatus and information recording apparatus
The present invention provides a recording pulse generating apparatus capable of forming a recording pit having a proper shape even at the time of...
US-7,532,556 Optical recording medium, recording and reproducing method, and recording and reproducing apparatus using...
An object is to provide a recording and reproducing method of a dyestuff-based, write-once DVD medium which can obtain a good recording waveform at a time of...
US-7,532,555 Phase-change recording layer optical recording method
In an optical recording method used when information is recorded in a phase-change recording layer of a large-capacity rewritable optical recording medium such...
US-7,532,554 Method for recording information on optical recording medium and information recording apparatus
When a space region shorter than the radius of a beam spot is formed, pre-heating with an assist pulse is not performed, and an off pulse pattern is fixed at a...
US-7,532,553 Computer-readable medium and method for configuring a digital versatile disc re-writeable device
A method of writing data to an optical disc comprising determining a disc category value to be written to an optical disc, and writing, by an optical disc drive,...
US-7,532,552 Method for discriminating operation type of a disk device
A method for discriminating the operation type of a disk device uses an optical head carrying an objective lens. The gravity doesn't affect the control force of...
US-7,532,551 Method for managing defective area on write-once optical recording medium, and optical recording medium using...
A method for managing a defective area of a write-once optical recording medium, and an optical recording medium using the same, are provided. The method...
US-7,532,550 Apparatus for setting a recorded parameter on non-used area of an optical disc
When setting a recording power for use in recording optical information on a DVD-R, by using any one of sectors provided on the DVD-R as a PCA, whether a...
US-7,532,549 Method of recording file system information of write-once high density optical disc and reproducing method thereof
The present invention provides a method of recording file system information of a write-once high density optical disc and reproducing method thereof, by which...
US-7,532,548 Method and apparatus for managing overwrite on an optical disc write once
A method of managing overwrite on an optical disc write once, makes it possible to perform a physical overwrite on the optical disc write once and maintains the...
US-7,532,547 Clock diagnostics
Disclosed is a clock for use in a master/slave clock system, including a system and method for semi-automatically performing diagnostic self-tests on the status...
US-7,532,546 Timepiece with calendar mechanism having date indicators for indicating date
A timepiece with calendar mechanism has a time indicator that indicates time by undergoing rotation in accordance with a driving operation of a drive mechanism,...
US-7,532,545 Time piece provided with a date dial
The inventive timepiece provided with a date dial comprises a date disc driven step by step once per 24 hours. The dial of the time piece is provided with unit...
US-7,532,544 Multifunction timer device
A multifunction timer device for providing a time/date stamp on objects includes a housing, a controller with a timer circuit contained in the housing, a display...
US-7,532,543 Acoustic signal generating apparatus
A PWM signal generator is operable to generate a first pulse signal and a second pulse signal at least one of before and after generating the first pulse signal....
US-7,532,542 System and method for improving the efficiency of an acoustic sensor
The present invention provides a system for identifying and locating an acoustic event. In a preferred embodiment a gunshot detection sensor includes an audio...
US-7,532,541 Object detection using acoustic imaging
Embodiments of the present invention include methods and apparatus for the detection of objects using acoustic imaging. Vibrational resonance characteristics of...
US-7,532,540 Fluid erosion protection washer for rotating shaft in MWD tool
A shaft protection washer to protect a rotating shaft in a "measurement while drilling" (MWD) tool. Use of the shaft protection washer renders the rotating shaft...
US-7,532,539 Semiconductor device whose operation frequency and power supply voltage are dynamically controlled according to...
A semiconductor device whose operation frequency and power supply voltage are dynamically controlled according to a load subjected to a process to be performed...
US-7,532,538 Tri-state output driver arranging method and memory device using the same
A memory device includes a first sensing amplifier to amplify data received from the memory array, a first driver to generate a first tri-state signal responsive...
US-7,532,537 Memory module with a circuit providing load isolation and memory domain translation
A memory module includes a plurality of memory devices and a circuit. Each memory device has a corresponding load. The circuit is electrically coupled to the...
US-7,532,536 Semiconductor memory device
The SRAM cells of a semiconductor storage device each comprise first and second inverter circuits loop-connected with each other to form a hold circuit; two...
US-7,532,535 Apparatus and method for supplying power voltages in active and stand-by modes
A first voltage generator generates an active power voltage at a first power line having a decoupling capacitor coupled thereto. A second voltage generator...
US-7,532,534 Voltage generating circuit and semiconductor memory device having the same
The present invention provides a voltage generating circuit and a semiconductor memory device having the same. The voltage generating circuit includes an...
US-7,532,533 Antifuse circuit and method for selectively programming thereof
An antifuse circuit provides on a per bit basis a signal that indicates whether an MTJ (magnetic tunnel junction) antifuse has been previously programmed to a...
US-7,532,532 System and method for hidden-refresh rate modification
A system and method for modifying a hidden-refresh rate for dynamic memory cells includes monitoring a control signal from a processor and performing a...
US-7,532,531 Flash memory device and multi-block erase method
In a flash memory device, a multi-block erase operation is performed by applying stepwise increasing erase voltages to selected memory blocks during a first...
US-7,532,530 Semiconductor memory device
A semiconductor memory device can reduce a data writing time. The semiconductor memory device includes a bit line sense amplifier connected to a pair of bit...
US-7,532,529 Apparatus and methods for multi-level sensing in a memory array
A method for sensing a signal received from an array cell within a memory array, the method comprising the steps of generating an analog voltage Vddr...
US-7,532,528 Sense amplifier method and arrangement
A memory system having a selectable configuration for sense amplifiers is included. The memory system can include bit cells and a switch module coupled to the...
US-7,532,527 Semiconductor memory device
A semiconductor memory device includes a bank including a plurality of cell blocks; a first group of local input/output lines to transfer data stored on a first...
US-7,532,526 Method and system for testing address lines
Method and systems are described for testing an address line inter-coupling a processor and a memory. The contents of a first address in the memory are initially...
US-7,532,525 Semiconductor memory device for decreasing the total number of data transfer lines
A memory device with global lines being used for other applications when the global lines are not in use is provided. The memory device includes: a plurality of...
US-7,532,524 Bitline exclusion in verification operation
Methods and apparatuses for disabling a bad bitline for verification operations, and for determining whether a programming operation have failed, include setting...
US-7,532,523 Memory chip with settable termination resistance circuit
Methods and apparatus for setting various terminations of a memory chip. The memory chip includes a terminal, a termination circuit that can be connected to the...
US-7,532,522 Memory and low offset clamp bias circuit thereof
A memory and a low offset clamp bias circuit thereof are provided. The low offset clamp bias circuit is adapted for any existing memory and is used for reducing...
US-7,532,521 NOR-NAND flash memory device with interleaved mat access
In a NOR-NAND flash memory device, data bits may be alternately selected from first and second mats. A selected wordline in a mat may be kept active until...
US-7,532,520 Semiconductor memory device and control method of the same
A semiconductor memory device includes a memory cell array, a voltage generating circuit, a memory circuit which stores a reference pulse number of an erase...
US-7,532,519 Semiconductor memory device
A semiconductor memory device which is highly reliable, is operable at a low voltage and a high speed, and is produced at a high production yield is provided. A...
US-7,532,518 Compensation method to achieve uniform programming speed of flash memory devices
Systems and methodologies are provided herein for increasing operation speed uniformity in a flash memory device. Due to the characteristics of a typical flash...
US-7,532,517 Non-volatile one time programmable memory
A verify operation is performed on the one time programmable memory block to determine if it has been programmed. If any bits have been programmed, further...
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