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US20080056733 |
Phase monitor used in optical receiver
Branches are grouped into a group 1 including first and second branches, and a group 2 including third and fourth branches. The signal after being passed through a dual pin photodiode in one br...
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US20080056727 |
Optical transmitter and drive method of same
An optical transmitter for performing optical phase modulation according to a data signal and further applying optical intensity modulation in synchronization with clock signals and transmitting th...
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US20080056726 |
Dispersion compensation apparatus and dispersion compensation method
A dispersion compensation apparatus includes a dispersion compensation unit that conducts dispersion compensation on an optical signal sent from a transmitting device through a transmission path. T...
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US20080056721 |
MULTIPLE BIT RATE OPTICAL COMMUNICATION METHOD, OPTICAL NETWORK UNIT AND OPTICAL LINE TERMINAL
The present invention is a method of transmitting data of different bit rates in a simple manner and, if positive minimal multiples whose multiple operation values on the bit time lengths 1/Ai for ...
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US20080056715 |
Optical transmission apparatus having OADM function
An optical transmission apparatus has a first wavelength selective switch (WSS) for route switching, provided with respect to each route, to selectively output signal light from a first input route...
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US20080056712 |
Optical transmission apparatus
In an optical transmission apparatus controlling an optical output portion by a working optical output controller and a protection optical output controller, the optical output controllers separate...
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US20080056710 |
Dispersion compensating apparatus and dispersion compensation control method
A variable dispersion compensating unit compensates an optical signal, and changes the compensation amount according to a control signal that has a given frequency. After demodulation of the compen...
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US20080056637 |
Optical modulator
In an optical modulator according to the invention, with respect to two MZ type optical modulators connected to each other in tandem by a curved folded waveguide on an identical substrate, a longit...
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US20080056581 |
Database management program, database management apparatus and database management method
A database management program, a database management apparatus and a database management method can determine the sameness of shape data at high speed. The program causes a computer to execute a fi...
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US20080056576 |
Ruled line extracting program, ruled line extracting apparatus and ruled line extracting method
A ruled line extracting apparatus, a ruled line extracting program and a ruled line extracting method re-extract a ruled line by changing the predetermined requirements to be met by ruled line s wh...
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US20080056344 |
System and Method for Independently Adjusting Multiple Compensations Applied to a Signal
In one embodiment of the present invention, a method for adjusting a signal includes applying a plurality of compensation for distortion to a signal to generate an output signal. The method also in...
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US20080056294 |
CONTROL SCHEME FOR STANDBY CHANNEL ROUTE
A control scheme is disclosed for controlling establishment of a standby channel route for an active channel route in a GMPLS network made up of plural transmission apparatuses. The standby channel...
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US20080056258 |
Method and System for Multicasting Data Packets in an MPLS Network
A method for multicasting data packets is provided. The method includes preparing multiple point to point connections between a root node and multiple destination nodes to establish point to multip...
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US20080056172 |
Radio Communication System
A radio communication system for preventing transmission and receiving data from colliding with each other in radio relay communication. The radio communication system includes a plurality of radio...
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US20080056160 |
Information processing system, information processing apparatus, information processing method and program
A system for monitoring life-and-death states of a plurality information processing apparatuses connected by a communication network, has life-and-death monitoring databases managing the life-and-d...
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US20080056134 |
Terminal regulation management device
A terminal regulation management device capable of flexibly managing terminals in times of unexpected incident, to ensure communications of users whose daily life zone overlaps with the site of the...
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US20080056055 |
Semiconductor memory device
A semiconductor memory device includes memory cells, word lines connected to the memory cells, word driver circuits for driving the word lines, a decoder circuit group including a plurality of deco...
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US20080056044 |
Semiconductor device and fabrication method thereof
The present invention suppresses the refresh failure of a DRAM due to the dispersion of a threshold of a MOSFET. The DRAM has a first unit for recording a set value of a back bias potential to be a...
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US20080056032 |
Test method for semiconductor memory device and semiconductor memory device therefor
The present invention detects a sense amplifier having an unbalanced characteristic. In a test method for a semiconductor memory device for detecting a sense amplifier having an unbalanced characte...
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US20080056021 |
Semiconductor memory and system
A word driver supplies a high level voltage to a word line when a memory cell is accessed and supplies low level voltage which is a negative voltage to the word line when the memory cell isn't acce...
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US20080055960 |
Semiconductor storage device, and data reading method
A semiconductor storage device comprises of a memory cell connected to a plate line and a bit line, a potential shift circuit which is connected to a bit line, temporarily changes in output voltage...
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US20080055873 |
Electronic part module and method of making the same
An electronic part module includes a wiring substrate, a passive device group of passive devices formed on the wiring substrate, and device chips mounted on the wiring substrate. Such an electronic...
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US20080055860 |
Heat-absorbing member, cooling device, and electronic apparatus
Electronic components differing in height (a CPU 2 a, a capacitor 2 b, and coil elements 2 c ) are mounted on a printed circuit board 1. A heat-absorbing member 3 is provided above the pri...
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US20080055844 |
Extension unit for electronic apparatus
An electronic apparatus is received on the front surface of an enclosure. A connector is connected to the electronic apparatus. When the electronic apparatus is to be demounted, an operating body i...
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US20080055840 |
Electronic apparatus
A removable unit is designed to enjoy a change of attitude relative to an apparatus body. The apparatus body is received on the surface of a desk at first rubber pads. The removable unit has a pair...
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US20080055788 |
Perpendicularly feeding type magnetic head having adjustable input impedance, manufacturing method thereof, head suspension assembly, and magnetic storage device
This invention provides a magnetic head having adjustable input/output impedance, and also provides a manufacturing method of the same, a head suspension assembly and a magnetic storage device. The...
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US20080055780 |
Head slider
A front rail is located near the inflow end of a slider body. The front rail defines a front air bearing surface at a first height from a reference surface of the slider body. A rear rail located n...
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US20080055779 |
Head slider having air guiding surface on side rail
A head slider includes a front rail and a pair of rear side rails. Side rails extend from the outflow end of the front rail toward the rear side rails, respectively. Air guiding surfaces are define...
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US20080055775 |
Magnetic head and information storage device
A magnetic head includes a magnetic pole placed opposite a surface of a recording medium and moving relatively to the surface in a direction along the surface, the magnetic pole generating a magnet...
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US20080055774 |
Magnetic head and storage medium drive
A read element is located between lower and upper shielding layers. The read element is connected separately to the lower and upper shielding layers. A first insulating layer and a second insulatin...
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US20080055771 |
Head stack assembly, and storage having the same
A head stack assembly includes a suspension that supports a head that records information in or reproduces the information from a recording medium, a base plate that attaches the suspension to an a...
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US20080055770 |
Control device, storage device, method of demodulating servo information, and computer product
A control device demodulates servo information read from a storage medium of a storage device via a head. A velocity demodulating unit demodulates a moving velocity of the head based on the servo i...
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US20080055769 |
Control device, storage device, storage medium, servo data demodulation method, repeatable velocity error measuring device, and computer product
A magnetic disk device includes a position and velocity demodulating circuit. In the position and velocity demodulating circuit, a difference calculating unit demodulates a moving velocity of a mag...
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US20080055767 |
Control apparatus, storage apparatus, and computer product
Offtrack amounts corresponding to every servo in which data writing has been completed is stored in a storage unit. Offtrack amount corresponding to a next servo frame, which is a servo frame prese...
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US20080055765 |
Control apparatus, storage apparatus, and computer product
A rewrite determining unit of a hard disk apparatus acquires a servo signal that includes an offtrack amount corresponding to each servo frame from a position information memory, and determines whe...
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US20080055761 |
Control apparatus, storage apparatus, and computer product
A rewrite determining unit acquires, for every servo frame recorded on a magnetic disk, an amplification degree, i.e., a gain of an amplifier circuit by which a read signal read from the magnetic d...
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US20080055655 |
DATA INPUT DEVICE, DATA INPUT SYSTEM, DATA INPUT METHOD, PRINTING DEVICE, AND PRINTED MATTER
A data input device which inputs data to a navigation device includes: an image input unit capturing an image displayed on an image display carrier for displaying an image; a code extraction unit e...
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US20080055288 |
Flat Display Apparatus and Driving Method for the Same
A flat display apparatus comprises a flat display panel in which at least some of display electrodes are formed from a scan electrode and an address electrode arranged so as to intersect each other...
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US20080055183 |
Antenna apparatus
An antenna apparatus is disclosed that includes a synthetic resin case having an antenna element accommodating portion and a ground element accommodating portion, an antenna element made of punched...
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US20080055021 |
Acoustic wave device, filter and duplexer
An acoustic wave device includes a first resonator having a piezoelectric substance sandwiched between a pair of electrodes in a direction of an c-axis orientation or a polarization axis, and a sec...
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US20080054966 |
Jitter reduction circuit
A jitter reduction circuit includes a signal line transmitting a first signal and having a plurality of sections, and a plurality of delay lines transmitting a second signal and provided in one-to-...
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US20080054909 |
Battery control device, battery control method, power source control device and electronic apparatus
A battery control device 1 has an electric circuit control unit 6 controlling a power supply; a voltage measuring unit 7 measuring a voltage; a current measuring unit 8 measuring an electri...
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US20080054862 |
Electronic device
An electronic device includes: a DC power source which supplies a first DC supply voltage; a DC voltage converter which is enabled or disabled in response to a first control signal, and which conve...
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US20080054758 |
Micro-oscillation element
A micro-oscillation element facilitates adjusting the natural frequency relevant to the oscillating motion of the oscillating portion. The micro-oscillation element includes, for example, an oscill...
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US20080054440 |
Wire bonding method, wire bonding apparatus and semiconductor device
The wire bonding method includes: a first connecting step of supplying an end of wire for electric wiring to a first electrode on an IC chip and applying vibration to the wire, thereby connecting t...
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US20080054402 |
Semiconductor device and method of manufacturing the same
There is provided a semiconductor device which comprises a first interlayer insulating film (first insulating film) formed over a silicon (semiconductor) substrate, a capacitor formed on the first ...
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US20080054366 |
CMOS semiconductor device having tensile and compressive stress films
A CMOS semiconductor device includes: an isolation region formed in the surface layer of a semiconductor substrate to define an NMOSFET active region and a PMOSFET active region adjacent to each ot...
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US20080054362 |
Semiconductor device and method of manufacturing the same
The method of manufacturing a semiconductor device, including a first region where a transistor including a gate electrode of a stacked structure is formed, a second region where a transistor inclu...
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US20080054356 |
Semiconductor device and manufacturing method thereof
Under a sidewall formed over a side wall of a gate electrode, a low-concentration LDD region and a high-concentration LDD region which is extremely shallow and apart from a region under the gate el...
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US20080054328 |
Semiconductor device and method of manufacturing the same
The method includes the steps of forming an upper electrode of a capacitor by patterning a second conductive film; forming a capacitor dielectric film by patterning a ferroelectric film; and formin...
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