Echo profile probe
In an orthogonal frequency division multiplex (OFDM) communication network, a node transmits an echo profile probe to other nodes in the network. The echo...
Method and apparatus for transmitting/receiving pilot signal in a wireless
A method and apparatus for transmitting a pilot signal in a wireless communication system. A reference cell scrambling code or one of a plurality of additional...
Method and system for SFBC/STBC transmission of orthogonally coded signals
with angle feedback in a diversity...
Aspects of a method and system for SFBC/STBC transmission of orthogonally coded signals with angle feedback in a diversity transmission system are presented....
Optimal estimation of distortion of a transmission medium using sequential
emission of pairs of quadrature...
The present invention relates to a device and method for optimal estimation of the distortion caused by the transmission medium by means of the sequential...
Scalable MIMO-OFDM PHY for high throughput WLANs
A MIMO-OFDM system may use different types of space-frequency code matrices for encoding data on multiple substreams for transmission on multiple antennas. The...
Systems and method for orthogonal frequency divisional multiplexing
Systems and methods for orthogonal frequency division multiplexing are provided. In one embodiment, a multi-carrier modem comprises: a receiver configured to...
Orthogonal code division multiplexing for twisted pair channels
A plurality of data signals are separated into parallel bit streams with each parallel stream having a bandwidth characteristic such that the combined...
Thin optical data storage media with hard coat
This disclosure describes thin optical media that may be compliant with conventional DVD drives. Unlike conventional DVDs, however, the described media does not...
Optical disc and optical disc device
In a multilayer optical disc having information layers conforming to a plurality of different optical disc standards, because the type of each information layer...
Optical element feeding device and optical pickup unit using the same
In an optical element feeding device and an optical pickup unit using the same, in order to make the device compact and light and achieve a stable operation,...
System of sampling interface for an optical pick-up head
A system of sampling interface for an optical pick-up head comprises an optical pick-up head, a PMOS, a boost circuit, and a sample and hold circuit. The...
Optical disc device
An optical disc device including a high frequency band processing circuit for removing low frequency components of signals outputted from plural photodetectors...
Method for controlling read power and open-loop read control device using
A method for controlling read power and an open-loop read control device using the same. The open-loop read control device is used in an optical disk writer and...
Optical element and optical pickup apparatus
The present invention relates to an optical element for use in an optical pickup apparatus and an optical pickup apparatus. An optical element is provided for...
Optical pickup apparatus, reproduction apparatus, and reproduction method
An optical pickup apparatus includes: a light source to irradiate light onto a hologram recording medium onto which information is recorded by interference...
Apparatus and method to store and retrieve information using an optical
holographic data storage medium
A method using an optical holographic data storage medium and an optical holographic data storage drive, comprising removeably disposing the optical holographic...
Apparatus and method to store information in a holographic data storage
A method to store information in a holographic data storage medium, wherein the method supplies a holographic data storage medium comprising an encoded focusing...
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...
Real time power control for optical recording drives
The invention discloses an optical recording drive for recording data on an optical carrier such as an optical disk of the DVD or BD format. A radiation source...
Information processing apparatus and method, program, and recording medium
An information processing apparatus which detects concomitant information associated with a time at which data satisfying a preset condition is supplied within...
Optical disc apparatus and optical disc replay method
When an optical disc apparatus reproduces information from an optical disc, it converges a reading light beam emitted from an LED to substantially collimated...
Reproducing method, optical disk apparatus, program and computer readable
information recording medium
Upon scanning with an optical spot from a first address on the first recording layer as a start point for a second address on the second recording layer which...
Optical pick up and optical disc apparatus
An optical pickup includes: a light source emitting a beam having a predetermined wavelength; a plastic objective lens condensing the emitted beam on an optical...
Recording device and recording method
A recording device for performing recording supporting an optical disk-shaped recording medium having a laminated structure includes a first recording layer and...
Method and apparatus for recording data on optical disc
An apparatus and method for recording data on an optical disc, are discussed. In an embodiment of the present invention, when recording of real-time input data...
Method and apparatus for generating absolute time in pregroove data
An apparatus and a method for generating ATIP data is provided. The apparatus generates ATIP data from a wobble signal of a re-writable compact disc. The...
Optical head apparatus and optical disc apparatus
In an optical head apparatus and an optical disc apparatus which can reduce influence of interlayer stray light on a differential push-pull signal without...
Optical disk reproduction apparatus and optical disk reproduction method
Deterioration of error rate at reproduction time is prevented even if a photodetector with a poor characteristic is included. An optical pickup unit (3) is...
Optical disc device
The optical disc device has a circuit 4 which forms a focus error signal FER for focus servo control based on reflection light from an optical disc exposed to...
Optical disk device and control method for the same
Provided is an optical disk device capable of recording and/or reproducing information on optical disks with high reliability; and a method for controlling the...
Optical disk device and tilt correction method thereof
There are provided an optical disk device and tilt correction processing method for performing recording/reproduction by rapidly acquiring an optimal tilt...
Optical disc apparatus and seek processing method
An optical disc apparatus of the present invention includes an optical head (103) including a lens disposed at a position shifted from a traverse axis in a...
Medium management method and storage device
A medium management method is disclosed. A removable medium is conveyed to a drive section when the removable medium is inserted into a medium accommodation...
Optical disk apparatus and method
It is highly precisely determined as to whether or not a laser-irradiated position on an optical disk is positioned within an identification area (BCA) in which...
Power control of TAMR element during read/write transition
A slider mounted TAMR (Thermal Assisted Magnetic Recording), DFH (Dynamic Flying Height) type read/write head using optical-laser generated surface plasmons in...
Electronic device and electromagnetic wave timepiece
An electronic device includes a timer which measures a current time, a display which displays information based on the time, a receiver which, by receiving and...
Ultrasound transducer and ultrasound diagnostic apparatus
This invention includes a first electrode which is fixed on a base, a vibration film which is disposed to oppose the first electrode with an air and vacuum...
Burst order control circuit and method thereof
A burst order control circuit includes a burst signal generating unit configured to receive a seed column address and to generate a first rising burst signal, a...
Semiconductor memory device with a sense amplifier controller for
maintaining the connection of a previously...
A semiconductor memory device includes a bit line sense amplifier block array, upper and lower memory cell arrays and a sense amplifier controller. The bit line...
User selectable banks for DRAM
A memory device includes a configurable array of memory cells. A number of array banks is configured based upon data stored in a mode register or decoded by...
Semiconductor memory and memory system
A semiconductor memory that assigns M data groups, each data group including N data, to a first address, where M and N are integers equal to or larger than 2;...
Method and computer program for controlling a storage device having
per-element selectable power supply voltages
A method and computer program product for controlling a storage device using per-element selectable power supply voltages provides energy conservation in...
Semiconductor memory circuit
The present invention provides a semiconductor memory circuit capable of reducing current consumption at non-operation in a system equipped with a plurality of...
Semiconductor memory device and operation method thereof
A semiconductor memory device includes a clock synchronizing unit for receiving a first power voltage through a first power voltage terminal, and an additional...
System and method for reducing power consumption during extended refresh
periods of dynamic random access...
A dynamic random access memory ("DRAM") device is operable in either a normal refresh mode or a static refresh mode, such as a self-refresh mode. A cell plate...
Semiconductor memory device, method of operating semiconductor memory
device, and memory system
A semiconductor memory device is provided which comprises: a sense amplifier; and a bit line, wherein the disconnection of the sense amplifier from the bit line...
Memory device that takes leakage currents into account in activating the
A memory device is a provided that includes memory cells situated at the intersection of lines and columns, and a dummy path including a first dummy column...
Analog-to-digital and digital-to-analog conversion window adjustment based
on reference cells in a memory device
An analog-to-digital conversion window is defined by reference voltages stored in reference memory cells of a memory device. A first reference voltage is read...
Sensing and latching circuit for memory arrays
According to one exemplary embodiment, a memory sensing and latching circuit includes a sensing circuit for evaluating bit lines in a memory array and providing...
Leakage and NBTI reduction technique for memory
In one embodiment, an integrated circuit includes a logic circuit and a memory circuit that includes multiple bit lines and bit line precharge circuits. The...