Patent application number | Description | Published |
20080258259 | SEMICONDUCTOR CHIP AND SEMICONDUCTOR DEVICE - A semiconductor chip and a semiconductor device mounting the semiconductor chip capable of increasing a capacitance of a capacitor without reducing the number of signal bumps or power bumps of a package and the number of C | 10-23-2008 |
20080290495 | Low noise semiconductor device - As a power feed route in a semiconductor chip, a power feed route which reduces antiresonance impedance in the frequency range of tens of MHz is to be realized thereby to suppress power noise in a semiconductor device. By inserting structures which raise the resistance in the medium frequency band into parts where the resistance is intrinsically high, such as power wiring in a semiconductor package and capacitor interconnecting electrode parts, the antiresonance impedance in the medium frequency band can be effectively reduced while keeping the impedance low at the low frequency. | 11-27-2008 |
20080302505 | Evaporative cooling system - The evaporative cooling system comprises: evaporative cooling modules, a liquid supply system which comprises a liquid supply pump and a tube, and which supplies a refrigerant liquid to the evaporative cooling modules; an air supply system which comprises air supply tubes, and which supplies warm air to the evaporative cooling modules; an exhaust system which comprises an exhaust pump and a tube, and which exhausts air containing a refrigerant vapor from the evaporative cooling modules; a reflux system which comprises a primary heat exchanger and a reflux tube, and which condenses the refrigerant vapor to return the condensed refrigerant liquid to the liquid supply system; and a heat exhaust system which comprises a secondary heat exchanger and tubes, and which discharges heat absorbed from the primary heat exchanger. | 12-11-2008 |
20090000332 | Electronic Equipment Cooling System - An electronic equipment cooling system of the invention comprises: a heat receiver; a closed refrigerant circulation path (including: the heat receiver; a refrigerant condenser; a refrigerant pump; and a refrigerant tank); and a closed gas circulation path (including: the heat receiver; the refrigerant condenser; and a blower). The heat receiver includes: a heat receiver base contacting a heat generating component; a box; a gas flow space surrounded by the heat receiver base and box; a refrigerant inlet through which a liquid refrigerant dribbles down along an internal surface of the heat receiver base; a liquid refrigerant spreader used for spreading the liquid refrigerant thereacross and having a mesh portion with an opening for passing a vapor of the refrigerant into the gas flow space; a gas inlet through which a gas is fed from the blower; and a gas outlet for venting the gas containing the vapor of the refrigerant. | 01-01-2009 |
20090009240 | Amplifier Circuit - An amplifier circuit block and a compensation circuit block are provided. The amplifier circuit block includes an analog adder for subtracting an output signal of the compensation circuit block from an input signal and an amplifier circuit operating in a wide band. The compensation circuit block includes an amplifier circuit with a low offset voltage and a low noise in a low frequency region, an analog adder block for subtracting an output signal of the amplifier circuit from an output signal of the amplifier circuit and generating a differential signal thereof, and a feedback circuit block for negatively feeding back the differential signal to the analog adder. The amplifier circuit block can reduce the offset voltage and the low-band noise by the negative feedback of the differential signal, and at the same time, the operation band of the entire amplifier circuit can be decided by the characteristic of the amplifier circuit. | 01-08-2009 |
20090154104 | Cooling Device and Electronic Apparatus Using the Same - It is an object to provide a cooling device for optimally cooling a semiconductor device on a CPU blade which is detachable with respect to an electronic apparatus using the cooling device with compact structure for reducing power consumption. A cooling device for cooling a semiconductor device disposed on an electronic circuit substrate in a casing of an electronic apparatus, comprising a first cooling unit comprising a first heat absorbing portion and a first heat releasing portion, and a second cooling unit comprising a second heat absorbing portion and a second heat releasing portion, wherein the first heat absorbing portion is disposed in contact with the semiconductor device, the second heat absorbing portion is detachably disposed in contact with the first heat releasing portion, a phase-change refrigerant is contained in the first cooling unit, and the second heat releasing portion is disposed outside the casing. | 06-18-2009 |
20090259345 | OPERATIONS MANAGEMENT METHODS AND DEVICES THEREOF IN INFORMATION-PROCESSING SYSTEMS - Total power consumption of information-processing devices and power supply/cooling facilities is reduced to realize energy saving operation of information-processing system. The information-processing system includes information-processing devices, power supply facilities, cooling facilities and an operations management device. The operations management device is connected to the devices and the facilities and includes layout information constituted of locations and operating information of the devices and locations and environmental information of the facilities. Also, the operations management device obtains the power consumption of the devices, the power supply loss of the power supply facilities and the cooling power of the cooling facilities by using the layout information, and then allocates the workloads to the devices so as to reduce the total sum of power consumption, supply loss and cooling power. | 10-15-2009 |
20110113273 | OPERATION MANAGEMENT METHOD OF INFORMATION PROCESSING SYSTEM - In a computer room including information processing devices and air conditioners, power saving of the computer room by means of optimization of workload allocation to the information processing devices is achieved in a short time. There, a coefficient of air conditioner performance with respect to the information processing device (device-specific COP) is calculated for each air conditioner. Further, a device-associated power consumption expression representing a total of device power and air conditioner power is created for each information processing device. Also, power consumption of the entire computer room is calculated from the device-associated power consumption expression of the information processing devices. Also, workload allocation is determined by using power saving performance evaluation indexes based on the device-associated power consumption expression of the information processing devices. Further, output of the air conditioner is controlled based on a result of the air conditioner power calculation. | 05-12-2011 |
20110126206 | OPERATIONS MANAGEMENT APPARATUS OF INFORMATION-PROCESSING SYSTEM - Information processing equipment and power/cooling facilities are managed together for power savings without degrading system processing performance. An operations management apparatus | 05-26-2011 |
20110316632 | OPTICAL COMMUNICATION DEVICE - An optical communication device which can be operated at high speed is provided. For example, the optical communication device includes: a pre-amplifier circuit PREAMP | 12-29-2011 |
20120198253 | Operational Management Method for Information Processing System and Information Processing System - In an information processing system comprising an information processing equipment group and a facility equipment group, both an increase in performance and a reduction in power consumption are obtained, thereby achieving an efficient and flexible operational management. The plurality of information processing equipments are divided into a plurality of groups, each of which includes power feed equipments and cooling equipments. The operation management method for the information processing system includes: a procedure for acquiring, from each of the groups, operating information indicating the performances and the power consumptions of the information processing equipments, the power feed equipments, and the cooling equipments included in each of the groups; and another procedure for controlling, based on the operating information, the information processing equipments, the power feed equipments, and the cooling equipments included in each of the groups so that the performances with respect to the power consumptions become large. | 08-02-2012 |
20120317259 | OPERATION MANAGING DEVICE AND OPERATION MANAGEMENT METHOD - Operation management of equipment is made efficient by verifying a plurality of operation management manipulations on a plurality of equipment and optimizing a manipulation order before executing the manipulations. A status of equipment in a status table; a content of a manipulation in a manipulation table; a process time of the manipulation in a manipulation time prediction table; and a status required for the manipulation in the manipulation table are memorized on an operation model managing server. When a plurality of manipulations are input for a plurality of equipment by an operation manager via an operation managing server, correctness of the manipulations is verified and a manipulation order is decided on an operation verifying server based on the various types of memorized information. Also, a manipulation end time of each manipulation is notified to the operation manager via the operation managing server. | 12-13-2012 |
20130111492 | Information Processing System, and Its Power-Saving Control Method and Device | 05-02-2013 |
20130191676 | OPERATION MANAGEMENT METHOD OF INFORMATION PROCESSING SYSTEM - Power saving of a data center is realized by learning a correlation between a state of cooling efficiency of the entire IT equipment units and a workload of each IT equipment unit from an operation history and placing a workload on an IT equipment unit by using the correlation. An IT workload placement optimization function samples data from an operation history of various IT equipment units in a server room by using three criteria of temperature, workload, and time, classifies the data into cooling efficiency conditions of the entire IT equipment units, and outputs a workload placement directive for determining placement of workload on each IT equipment unit from the correlation between the cooling efficiency condition and the workload to a workload management server, so that the workload management server can effectively extract influence on the cooling efficiency from the operation history and use the influence to place the workload. | 07-25-2013 |
20130239112 | INFORMATION PROCESSING SYSTEM - It is an object of the invention to provide an information processing system which achieves efficient physical resource allocation to a virtual resource. An information processing system of the invention includes a plurality of physical resources mutually connected over a network, and an operating management computer which manages a virtual resource into which a plurality of physical resources are logically aggregated. The information processing system determines physical resources to be logically aggregated into and be allocated to a virtual resource on the basis of a resource usage amount of a workload to be processed by the information processing system and configuration information on the plurality of physical resources. | 09-12-2013 |
20140002987 | INFORMATION PROCESSING SYSTEM, OPERATION MANAGEMENT METHOD OF INFORMATION PROCESSING SYSTEM, AND DATA CENTER | 01-02-2014 |