Abstract: In an optical switch device, an optical control pulse is inputted into a nonlinear optical fiber in phase with each optical pulse of signal light which is to be outputted, so that the polarization directions of the optical control pulse and the signal light form a predetermined angle at the input stage of the nonlinear optical fiber, the optical control pulse causes polarization rotation and parametric amplification of the optical pulse in the nonlinear optical fiber, and then the optical pulse is outputted through a polarizer. The excitation level of the optical control pulse is set on the basis of the difference of a monitored output level of the optical pulse from a target level so that the output levels of optical pulses of the signal light are controlled at one or more desired levels.

Abstract: An image processing apparatus comprises an input section which inputs a user identification information; and a registration section which registers an image data in association with the user identification information.

Abstract: A memory administrating method of administrating a memory divided into plural regions each of which consists of consecutive memory addresses, where the method includes the steps of: providing each region of the plural regions with usage information; and when releasing a release target region currently in use, determining usage of the release target region based on the usage information of at least one of neighboring regions positioned before and after the release target region.

Abstract: An optical amplifier includes a first optical amplification unit that amplifies input light, a variable optical attenuation unit that attenuates an output of the first optical amplification unit, a second optical amplification unit that amplifies an output of the variable optical attenuation unit, and a loss amount control unit that controls the variable optical attenuation unit, wherein an external attenuating optical medium is inserted between the variable optical attenuation unit and the second optical amplification unit. The optical amplifier includes an abnormality detecting unit that detects abnormality in optical loss based on a light level between the external attenuating optical medium and the second optical amplification unit, and a detection invalidating unit that invalidates any abnormality detected by the abnormality detecting unit when a light level between the variable optical attenuation unit and the external attenuating optical medium is lower than a threshold level.

Abstract: A game-machine operation-member rotation structure 3 is provided in which an operation member 31 attached to a rotation shaft 34 supported so as to rotate is turned right and left, including: a moving body 352 which protrudes in the radial direction of the rotation shaft 34, rotates together with the rotation shaft 34 and moves freely in the axial direction; a spiral guide 36 which is concentric with the rotation shaft 34 and moves the moving body 352 in the axial direction as the rotation shaft 34 rotates; and a stopper which is disposed on a movement locus of the moving body 352.

Abstract: An optical amplifier for amplifying light includes a light source for emitting pump light in accordance with current amount; a rear earth element doped optical fiber doped rear earth element, the rear earth element doped optical fiber pumped by the pump light from the light source; a detector for detecting upconversion light leaked from the rear earth element doped optical fiber; a memory for storing correspondence relationship data of the current amount for the light source and an intensity of the upconversion light in normal state of the light source; a difference calculator for calculating a difference between the intensity of the upconversion light being detected by the detector and a converted amount being converted the current amount for the light source by the use of the correspondence relationship data; and a discriminator for discriminating whether the difference calculated at the difference calculator exceeds a predetermined value.

Abstract: An image processing apparatus includes: a first memory for storing 2-D image data wherein pixels are arranged in a matrix in the main scanning direction and sub-scanning direction orthogonal to each other; a second memory; and a data control section for controlling the first memory and second memory, wherein at least one of the first and second memories is constituted by a SDRAM. The data control section reads the image data from the first memory in blocks of m pixels in the main scanning direction and n pixels in the sub-scanning direction (where n and m are natural numbers), writes the read data into the second memory, and transmits data to the memory composed of the SDRAM by burst transmission and continuous supply of desired column addresses, thereby allowing the read image data to be rotated.

Abstract: According to an aspect of the embodiment of the invention, an optical amplifier including an input port, an output port, a plurality of amplifying parts, an optical attenuator, a gain controller and an optical attenuator controller. The plurality of amplifying parts includes an optical amplification medium and a pumping light source for generating pump light. The optical attenuator is optically connected between the amplifying parts. The gain controller controls the pump light power of the pump sources, respectively, in such a way that the ratio decreases in accordance with the gain set value increasing and the ratio interpose between a first threshold level and a second threshold level. The optical attenuator controller controls attenuation of the optical attenuator in order to maintain the sum of generating gains of the amplifying parts in the gain set value in accordance with a state of the signal light inputted into the input port.

Abstract: There is described a network system for processing image data and printing an image based on the image data. The system includes image-processing apparatus and an image printing apparatus coupled to each other in a network. Each of the image-processing apparatus includes a rasterization processing section to generate first rasterized pixel data; an image data transmitting section to transmit the image data to another image-processing apparatus, which generates second rasterized pixel data; a pixel data receiving section to receive the second rasterized pixel data; and a pixel data transmitting section to transmit either the first rasterized pixel data or the second rasterized pixel data to the image printing apparatus as print-rasterized pixel data. The image printing apparatus includes a print-rasterized pixel data receiving section to receive the print-rasterized pixel data in order to print the image according to the print-rasterized pixel data.

Abstract: A memory apparatus including: a cache control section to control a cache memory for an auxiliary storage apparatus; a volatile memory; and a nonvolatile memory, wherein the cache memory for the auxiliary storage apparatus is configured to have a volatile cache memory provided in the volatile memory and a nonvolatile cache memory provided in the nonvolatile memory, and wherein the cache control section accesses the nonvolatile cache memory using a write back method.

Abstract: A controller monitors output level variation rate of excitation light outputted by a light source in accordance with a drive current of the light source and provided to a rare-earth doped amplifying medium so that a signal light is amplified as the signal light travels through the amplifying medium. In an embodiment, the controller decreases the drive current when the monitored output level variation rate is larger than a threshold value, to thereby reduce power level of the outputted excitation light and thereby delay progress of degradation of the light source indicated by the monitored output level variation rate being larger than the threshold value.

Abstract: A data save apparatus including: a system memory, in which a plurality of segment regions having uneven capacities are provided; a nonvolatile memory, into which data having been memorized in the system memory are saved; and a controller which controls to save data with a unit of each of the segment regions into the nonvolatile memory from the system memory, wherein the controller determines whether saving data of each of the segment regions into the nonvolatile memory is necessary, and when a total capacity of segment regions, data in which having been determined to be necessary to be saved, reaches to a prescribed value, the controller transfers the data of the segment regions determined to be necessary to be saved into the nonvolatile memory by a DMA (Direct Memory Access) mode in descending order of segment region capacity.

Abstract: An information processing apparatus including: a nonvolatile memory; a volatile system memory in which predetermined data stored in the nonvolatile memory is developed; a control section to save the predetermined data stored in the system memory in the nonvolatile memory when a start of power-off operation is detected; and a storage section that stores a first timing information representing a time point of terminating the operation of saving the predetermined data in the nonvolatile memory, and a second timing information representing a power-off time point, wherein the control section compares the first timing information stored in the storage section with the second timing information, subsequent to the next operation of turning on of the power.

Abstract: A data processing apparatus which saves data in a volatile memory into a nonvolatile memory when power is off, the data processing apparatus including: a detecting circuit for outputting: a momentary interruption detecting signal when a power source voltage is below a first threshold voltage, and a power failure detecting signal when the power source voltage is below a second threshold voltage that is lower than the first threshold voltage; and a control section adapted to start saving of the data in the volatile memory into the nonvolatile memory when the detecting circuit has output the momentary interruption detecting signal, continue save of the data, and carry out a predetermined shutdown processing when the detecting circuit has output the power failure detecting signal after the detecting circuit has output the momentary interruption detecting signal.

Abstract: An image processing apparatus comprises a memory; a store control section to divide and store image data in plural vacant memory regions in the memory; and an image administrating information registering section to register each divided image data divided by the store control section by correlating position information of each divided image data in the image data before dividing the image data with storing position information of each divided image data indicating a storing memory region.

Abstract: A memory administrating method of administrating a memory divided into plural regions each of which consists of consecutive memory addresses, comprising steps of: providing each region of the plural regions with usage information; and when releasing a release target region currently being in use, determining a usage of the release target region based on the usage information of at least one of neighboring regions positioned before and after the release target region.

Abstract: A memory administrating method of administrating a memory divided into plural memory regions each of which consists of consecutive memory addresses, comprises steps of: acquiring a memory region from the plural memory regions; and registering at least one of usage information indicating the usage of the acquired memory region and time period information indicating the using time period for using the acquired memory region in an administrating portion of the acquired memory region.

Abstract: A transparent electroconductive laminate comprising an organic polymer film having stacked on at least one surface thereof an optical interference layer and a transparent electroconductive layer in this order, the optical interference layer comprising a high refractive-index layer and a low refractive-index layer, with the low refractive-index layer being in contact with the transparent electroconductive layer, and the optical interference layer being composed of a crosslinked polymer, wherein the optical interference layer contains ultrafine particles A comprising a metal oxide and/or a metal fluoride and having a primary diameter of 100 nm or less, and/or at least one of the high refractive-index layer and the low refractive-index layer contains fine particles B having an average primary diameter as large as 1.1 times or more the thickness of the optical interference layer and an average primary diameter of 1.2 ?m or less in an amount of 0.5 wt % or less of the crosslinked polymer component.