Abstract:
A set of interconnected storage systems supporting different types of storage devices and different performance attributes are intelligently applied to process types, such as journal entries. The processes are ranked according to a predetermined priority ranking. Storage devices in the storage system having similar performance attributes are pooled and ranked according to their performance attributes. The highest priority process is matched with available logical devices from available storage pools that rank highest in the processes performance priority. A cache is similarly allocated from the highest ranking access speed logical devices.
Abstract:
A storage system maintains a journal and a snapshot of one or more data volumes. Two journal entry types are maintained, an AFTER journal entry and a BEFORE journal entry. Two modes of data recovery are provided: “fast” recovery and “undo-able” recovery. A combination of both recovery modes allows the user to quickly recover a targeted data state.
Abstract:
A multifrequency antenna, which may be used as a built-in antenna of a small and thin radio communication terminal, such as a mobile telephone, is able to receive radio waves of multifrequency bands without enlarging the shape thereof. The antenna is structured using a main mode resonance frequency and a high-order mode resonance frequency of a single-frequency plane antenna with a short-circuit plate. Specifically, a radiator conductor plate in an optional shape is arranged on a ground plate, and the radiator conductor plate is connected to the ground plate via the short-circuit plate. Power is supplied to the radiator conductor plate from a power-feeding source via a feeder cable. In the radiator conductor plate, a cut portion for shifting the high-order mode resonance frequency to the location at a predetermined distance from the short-circuit plate is formed, and the high-order mode resonance frequency is shifted into a desired band by this cut portion. Consequently, the multifrequency antenna operates at least at two frequencies: the main mode resonance frequency, and at least one high-order mode resonance frequency shifted by the cut portion. Thus, a small and thin multifrequency antenna can be realized at a low cost without a concomitant increase in both the mounting area and the mounting volume of the multifrequency antenna.
Abstract:
In a power supply circuit, a rectification circuit is coupled to a partial smoothing circuit, and an inverting circuit. The rectification circuit includes a rectifier coupled to a primary capacitor. The partial smoothing circuit includes a first, second, and third diode coupled together with the third diode in reverse polarity with the first and second diodes. The partial smoothing circuit also includes a series combination of a choke coil and a smoothing capacitor disposed in parallel with the second diode. A diode extends from the partial smoothing circuit to the inverting circuit. In one embodiment, the inverting circuit includes a main capacitor in parallel with a combination of a winding and an auxiliary capacitor. A switching means is coupled to the inverting circuit and the rectification circuit.
Abstract:
A P-type thermoelectric material consists essentially of iron disilicide, metallic manganese and metallic aluminium dissolved in or alloyed with the iron disilicide, and silicon oxide and/or aluminum oxide present in the iron disilicide. The manganese is contained in an amount of from 1.67 to 4.1 atomic % with respect to a sum of atoms of iron and silicon constituting the iron disilicide, the metallic manganese and the metallic aluminum taken as 100 atomic %, and the metallic aluminum contained in an amount of from 1.33 to 3.33 atomic % with respect thereto, and a sum of the metallic manganese and the metallic aluminum in an amount of from 4.0 to 5.34 atomic % with respect thereto. The P-type thermoelectric material having such a composition produces a thermoelectromotive force equal to or greater than those of the conventional P-type thermoelectric materials comprised of iron disilicide, and it exhibits a mean resistivity equal to or smaller than that of the N-type thermoelectric material. Hence, a thermocouple including the P-type thermoelectric material and the N-type thermoelectric material can be remarkably enhanced in the performance as a whole.
Abstract:
A toner for electrophotography produced by polymerizing a monomer dispersed by emulsification in the presence of a colorant and/or a magnetic powder, followed by coagulation is excellent in properties, particularly in cleaning properties, charge stability and caking resistance.
Abstract:
A vehicle includes a motor generator generating driving power for running, and an ECU. The ECU performs driving power variation operation on the motor generator in which the motor generator is switched between a first state (acceleration running) and a second state (inertial running) when power requested by a user varies within a prescribed range to run the vehicle. In the first state, the motor generator generates driving power. In the second state, the motor generator generates driving power smaller than the driving power in the first state. The ECU controls the motor generator in such a manner that the driving power during the acceleration running has a non-rectangular shape. As a result, gradual variation in driving power can be provided at the time of switching between the acceleration running and the inertial running, to improve drivability.
Abstract:
A vehicle (100) includes a motor generator (130) generating driving power for running the vehicle (100), and an ECU (300) for controlling the motor generator (130). The ECU (300) causes driving power variation operation to be performed on the motor generator (130) in which the motor generator is switched between a first state (low output state) in which the motor generator generates driving power of a prescribed level and a second state (high output state) in which the motor generator generates driving power larger than the driving power in the first state to run the vehicle (100). As a result, energy efficiency of the vehicle (100) is improved.
Abstract:
A desulfurization unit for a fuel cell system includes a first desulfurizer arranged in a temperature environment ranging from 50° C. to 200° C. and accommodating a desulfurizing agent including a porous material serving as a base material, the desulfurizing agent exerting a desulfurization effect in a normal temperature range, the first desulfurizer adsorbing a sulfur compound included in a source gas in the temperature environment ranging from 50° C. to 200° C. when the source gas having a low dew point is supplied through a source gas passage to the first desulfurizer and when the source gas having a high dew point is supplied through the source gas passage to the first desulfurizer.
Abstract:
A computer system is provided that is capable of reducing an administrator's operational errors by connecting a new server to a SAN and automating a SAN boot setting, and capable of lightening the administrator's task of checking for a wrong connection by detecting a wrong connection made when a new server is connected to an SNW connection device. Once a new server connected to a PnP SAN starts with a boot program obtained from a boot management server, the new server transmits configuration information on the new server to a resource management server. In response to a request from the resource management server, a storage device refers to PnP SAN information to transmit SAN information on a storage network connection device to which the new server is connected. The resource management server determines to add the new server to a resource group on the basis of the SAN information and requirement information. The resource management server sets the storage device and the new server for SAN-booting the new server.