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Constructing a repair path in the event of failure of an inter-routing
domain system link
An apparatus and method as described for constructing a repair path for use in the event of failure of an inter-routing domain connection between respective...
Dynamic update of route table
A method and apparatus for dynamically modifying routing information in an interconnect architecture without quiescence is herein described. Each agent/node...
Remote redundant voice server system
During normal operation, a user terminal supported by an IP-PBX server establishes a call by resolving the name of the IP-PBX server using a DNS server. When...
In-layer ethernet p-cycle protection scheme
A method of implementing a p-cycle protection scheme for a communications network comprising a plurality of nodes and interconnecting communications links along...
Link-based recovery with demand granularity in mesh networks
A protected communication network utilizes a link-based recovery strategy that supports independent recovery paths for individual demands, where each link...
Bidirectional forwarding detection on multilink bundled interfaces
Disclosed are, inter alia, methods, apparatus, computer-storage media, mechanisms, and means associated with Bidirectional Forwarding Detection (BFD) on...
Flagging of port conditions in high speed networks
A non-intrusive condition flag is introduced into high-speed data network for flagging a fault condition without interrupting the normal operation of the...
Mapping resource blocks into subchannels
According to an example embodiment, a method may include determining, by a first wireless node in a wireless network, a number N of resource blocks available...
Radio-communication device and radio-communication method
A radio-communication device performs processing in a communication environment in which an OFDM (Orthogonal Frequency Division Multiplexing) modulation method...
Frequency division multiplexing system with selectable rate
An OFDM system uses a normal mode which has a symbol length T, a guard time TG and a set of N sub-carriers, which are orthogonal over the time T, and one or...
Optical storage medium comprising a multilevel data layer
The optical storage medium comprises a substrate layer, a data layer, and a nonlinear layer with a super-resolution structure disposed on the data layer,...
Apparatus and method for forming image data on an optical disk
The invention provides an optical disk system having at least: an optical disk including, on a substrate having pre-pits, an image-recording layer capable of...
Fabrication method of multilayer optical record medium and recording
apparatus for multilayered optical record...
A fabrication method of a multilayer optical recording medium having a plurality of recording layers, comprises a step of preparing an optical recording medium...
Optical disk apparatus and its reproducing method
Amplitude and frequency of a high-frequency signal superposed on a reproduction laser beam are changed in accordance with a reproduction spot diameter on the...
Objective lens, optical pickup device, and optical disk drive
Provided are an optical pickup apparatus and an objective lens which can record and/or reproduce information for discs with different recording densities and...
Method of forming visual image on optical disk by laser beam
A method is designed for forming a visual image having a specified shape on a surface of an optical disk by using an optical writing process of irradiating a...
Method of vertical deviation disc detection
A method for detecting whether vertical deviation of an optical disc occurs is provided. First, before a pickup head is successfully focused on the optical...
Optical disc drive apparatus and optical disc reproduction method using
An optical disc drive apparatus (100) of the present invention rotates an optical disc (1) at a predetermined rotation speed using a motor (2). An optical...
Optical disk apparatus and emission control method
An optical disk apparatus according to the present invention includes a spindle motor that rotates an optical disk on whose information recording surface a...
Data recording apparatus
When a blank DVD-RW disk is loaded into an optical disk drive, a host computer issues a FORMAT command to the disk drive. The optical disk drive having received...
Phase error detection apparatus
A phase error detection apparatus capable of performing offset correction of a tracking error signal accurately even when there is a defect or a non-recorded...
Optical disk recording and playback apparatus and signal detection method
utilizing a differential push-pull...
An optical disc recording and playback apparatus includes an optical pickup performing an operation for recording and playing back signal information into and...
Optical disk drive and optical pickup having aberration correction means
In an optical disk drive mounting a drive unit 20 having a control use circuit 21, and a pickup 1 having an aberration correction liquid crystal element 13 and...
Objective lens drive and optical pickup apparatus
An objective lens drive and an optical pickup apparatus are provided which can be reduced in size. Two tilt coils and two tracking coils are disposed so that...
An optical pickup is provided with a protector which prevents collision between an objective lens and an optical recording medium. The protector includes: a...
Heat-assisted magnetic recording head having laser diode overlaping two
recording wiring layers
A heat-assisted magnetic recording head includes a slider, and an edge-emitting laser diode fixed to the slider. The slider includes: a substrate; and an MR...
An electronic timepiece comprises a drive module configured to drive a hand, an electricity generation module, first and second capacitor modules, the second...
Digital wristwatch, digital watch, and digital clock
Digital wristwatch, digital watch, and digital clock. For example, a digital wristwatch comprises: a clocking module able to track: (a) current real time, and...
Synchronization of a plurality of devices in a wireless sensor arrangement
Two or more wirelessly networked devices for control or data acquisition functions for real-time application are provided with a error corrected synchronization...
Watch with calendar mechanism equipped with month indicator and date
The present invention aims to provide a watch with a calendar mechanism which allows a reduction in the thickness of a date feeding mechanism and a month...
Electronic device and method providing improved management of multiple
times from multiple time zones
An improved electronic device and method provide an improved clock feature that includes a time zone management function which enables multiple times from...
Underwater acoustic transducer array and sound field shaping system
A sonar system includes an objective having reflecting surface(s) with coincident forward radiant axes. Each of the reflecting surfaces defines sets of...
Optical sensing arrangements
A method of detecting a submerged vessel in or near the wake of a ship in which a plurality of optical fiber sensors are trailed from said ship and in which at...
Method and apparatus for determining and indicating direction and type of
A method and apparatus for determining the direction of a sound source is disclosed. The method includes determining time differences of arrival of the sound at...
Projectile-detection collars and methods
User-wearable sensor arrays for use with projectile-detection systems, and methods of detecting a projectile with user-wearable sensor arrays.
Monitoring system for a ship'S radiated noise
A ship's radiated noise monitoring system includes a plurality of arrays of spaced vibration-responsive detectors, the arrays being adapted for location...
Multi-phase duty-cycle corrected clock signal generator and memory having
Memories, multi-phase clock signal generators, and methods for generating multi-phase duty cycle corrected clock signals are disclosed. For example, one such...
Circuits and methods for reducing minimum supply for register file cells
A register file employing a shared supply structure to improve the minimum supply voltage.
Memory devices having redundant arrays for repair
Apparatus and methods are disclosed, such as those involving a memory device. One such memory device includes a memory array including a sub-array that includes...
System comprising a state-monitoring memory element
Embodiments of the invention relate to a state-monitoring memory element. The state-monitoring memory element may have a reduced ability to retain a logic state...
High-voltage sawtooth current driving circuit and memory device including
A high-voltage sawtooth current driving circuit and a memory device including the same are described. In the high-voltage sawtooth current driving circuit...
There is provided a semiconductor device including: a temperature sensor detecting temperature; an inner circuit operating when supplied with a power supply...
Circuit and method for controlling self-refresh cycle
The present invention relates to a circuit and a method for controlling a self-refresh cycle of a dynamic random access memory or DRAM. A cell voltage is...
Nonvolatile semiconductor memory device and method of controlling the same
Provided is a nonvolatile semiconductor memory device capable of performing a writing action for a memory cell at high speed. The device includes a memory cell...
Disturb control circuits and methods to control memory disturbs among
multiple layers of memory
Embodiments of the invention relate generally to data storage and computer memory, and more particularly, to systems, integrated circuits and methods for...
Semiconductor memory device
A semiconductor memory device comprises a plurality of word lines, a plurality of bit lines intersecting the word lines, a memory cell array having a plurality...
Devices and methods for a threshold voltage difference compensated sense
Embodiments are described for a voltage compensated sense amplifier. One such sense amplifier includes a pair of digit line nodes respectively coupled to a pair...
Latch structure and bit line sense amplifier structure including the same
A latch structure includes a first inverter that includes a first PMOS transistor and a first NMOS transistor, and a second inverter that includes a second PMOS...
Semiconductor memory device having bit test circuit with ignore function
A semiconductor memory device including a bit test circuit with an ignore function is provided. The semiconductor memory device includes a memory cell array and...
An object is to provide a semiconductor device having a memory which can efficiently improve a yield by employing a structure which facilitates the use of a...