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| Number | Title | Issue Date |
| 8112652 | Multiprocessor system power management of shared memories powering down memory bank only when all processors indicate not powering that memory bank This invention manages power down and wakeup of shared memories in a multiprocessor system. A register for each shared memory has bits corresponding to each master. When a master wants to power down a memory, it sets its corresponding bit in the register. A hardware... | 02/07/2012 |
| 8108705 | Power supplying device, power supply controlling method, power supply controlling program and network system A power supplying device for supplying power through a network to a plurality of communication terminals to transmit or receive data in a form of a packet including: a power supply controlling unit to preset a count of the communication terminals which are to be tar... | 01/31/2012 |
| 8103893 | Thermal management of devices by suspension of offline diagnostic activities The present invention provides both a peripheral device that regulates its own temperature by adjusting its power consumption, and a method to accomplish the same. The method generally includes monitoring the temperature of the mass storage device and reducing power... | 01/24/2012 |
| 8103895 | Information processing apparatus and wake-up control method According to one embodiment, an information processing apparatus includes devices including functions of generating wake-up signals, a controller which returns the apparatus to the power-on status in response to wake-up signals, and a first nonvolatile memory which ... | 01/24/2012 |
| 8103894 | Power conservation in vertically-striped NUCA caches Embodiments that dynamically conserve power in non-uniform cache access (NUCA) caches are contemplated. Various embodiments comprise a computing device, having one or more processors coupled with one or more NUCA cache elements. The NUCA cache elements may comprise ... | 01/24/2012 |
| 8099616 | Power over ethernet port enabling and disabling responsive to access control system An electronically controlled method of controlled enabling and disabling of ports, the method constituted of: receiving a message responsive to an access event, the message comprising an identifier of the accessing party and an indication of the access event; determ... | 01/17/2012 |
| 8099615 | Method and system for power management in a virtual machine environment without disrupting network connectivity A method for power management. The method includes gathering resource usage data for a first blade and a second blade on a blade chassis, migrating each virtual machine (VM) executing on the first blade to the second blade based on the resource usage data and a firs... | 01/17/2012 |
| 8099614 | Power management for buses in cmos circuits The invention relates to a controlled shut-down of an electronic circuit or circuits such that the electrical power consumption of that circuit or circuits is minimized and that each said circuit is at a status which is a pre-determined state (42; 52) of that... | 01/17/2012 |
| 8095817 | Information processing apparatus that maintains sound controller in power saving mode when speaker is set in volume full-mute state According to one embodiment, an information processing apparatus includes a sound controller which reproduces a sound signal, and a sound driver which controls a drive of the sound controller. The sound driver includes a volume full-mute determination unit which det... | 01/10/2012 |
| 8095816 | Processor management using a buffer In an embodiment, an apparatus comprises a buffer, a plurality of processors, and a processor control module. The processor control module is to manage how many of the plurality of processors are used to process data from the buffer based at least in part on an amou... | 01/10/2012 |
| 8090970 | Apparatus and method for playing multimedia data A multimedia data reproducing device is provided which includes: a codec converting digital data into an analog signal by a predetermined method and reproducing the analog signal; and a control unit including a core generating a reproduction block by decoding multim... | 01/03/2012 |
| 8090969 | Method and apparatus for managing power consumption relating to a differential serial communication link A circuit includes a primary transceiver, a secondary transceiver, and control logic. The primary transceiver communicates information via a primary communication link. The secondary transceiver communicates information via a secondary communication link. The contro... | 01/03/2012 |
| 8082461 | Image forming apparatus and control method of image forming apparatus An image forming apparatus includes a printing unit, a controlling unit, and a monitoring unit to monitor, while the printing unit and the controlling unit are in a power-saving mode in which power supply to the printing unit and the controlling unit is stopped, whe... | 12/20/2011 |
| 8078897 | Power management in federated/distributed shared memory architecture This invention is a power management scheme for a shared memory multiprocessor system which splits the control logic between the master-specific logic and memory bank logic. Power-down is initiated from a central power-down controller. This central power-down contro... | 12/13/2011 |
| 8055924 | Semiconductor integrated circuit and electric power supply controlling method thereof An interrupt power supply control unit 5 monitors interrupts 11, 21, 31 issued from function blocks 1, 2, 3, and also, a power supply control instruction 41 issued from a CPU 4. When either an interrupt or an instruction is issued,... | 11/08/2011 |
| 8051315 | Power throttling apparatus Disclosed is an apparatus which deactivates both the AC as well as the DC component of power for various functions in a CPU. The CPU partitions dataflow registers and arithmetic units such that voltage can be removed from the upper portion of dataflow registers when... | 11/01/2011 |
| 8046618 | Semiconductor chip operating with minimal power consumption Disclosed herein is a semiconductor chip including: a plurality of processing devices that can communicate with each other; wherein each of the processing devices includes an arithmetic unit, an individual memory connected to the arithmetic unit on a one-to-one basi... | 10/25/2011 |
| 8046617 | Method and apparatus for operating an electronic device in a low power mode with a low power mode application based on determined operating parameters An electronic device, such as a hand-held portable computer, is provided with capability to operate an application during a low power mode. During the low power mode, portions of hardware, software, services, and/or other components of the portable computer that are... | 10/25/2011 |
| 8041976 | Power management for clusters of computers Power management for clusters of computers, a cluster including a configuration of computers operating in a power management domain, one or more of the computers of the cluster having a power requirement that differs from power requirements of other computers in the... | 10/18/2011 |
| 8041975 | Programmable I/O cell capable of holding its state in power-down mode The present invention comprises a microcontroller unit including a processor for generating a power down signal. Control logic generates a hold signal responsive to the power down signal. A voltage regulator provides a regulated voltage responsive to an input voltag... | 10/18/2011 |
| 8032775 | Storage system A journal volume is created in a different power control unit of a normal mode, and the power saving mode is maintained by storing differential data in the journal until the corresponding power control unit is returned to a normal mode. A replication pair in a pair ... | 10/04/2011 |
| 8032774 | Information processing apparatus When an operation mode of an image forming apparatus returns from an energy-saving mode to a regular operation mode, a CPU of a main system outputs a power control signal set to High, and determines the necessariness of information display on an LCD of an operation ... | 10/04/2011 |
| 8032776 | System for maximizing server utilization in a resource constrained environment A mechanism for controlling the hardware resources on a blade server, and thereby limiting the power consumption of the blade server is disclosed. The enforceable hardware resources that are controlled include the base frequency of the central processing unit (CPU) ... | 10/04/2011 |
| 8024593 | Communication device A communication device searches for a desired communication device and requests a service, without being conscious of the status of the power supply of other communication devices on a network, and achieves a reduction in power consumption. The communication device ... | 09/20/2011 |
| 8024594 | Method and apparatus for reducing power consumption in multi-channel memory controller systems Disclosed is a method, apparatus and computer program product for reducing memory power consumption in a server system. The server system includes a memory controller and a plurality of Dual Inline Memory Modules (DIMMs). The method for reducing the memory power con... | 09/20/2011 |
| 8020018 | Circuit arrangement and method of operating a circuit arrangement A circuit arrangement is provided comprising a first partial circuit to receive a supply voltage, a second partial circuit to receive an output signal of the first partial circuit and a first clock signal, the second partial circuit to store the output signal of the... | 09/13/2011 |
| 8015426 | System and method for providing voltage power gating A system and method for providing voltage power gating. The system includes a device for providing voltage power gating. The device includes logic circuitry, a mechanism for receiving a control signal associated with the logic circuitry and a selector. The control s... | 09/06/2011 |
| 8010821 | Systems and methods for wake on event in a network Embodiments include systems and methods for allowing a host CPU to sleep while service presence packets and responses to search requests are sent by an alternate processor. While the CPU is in a low power state, the alternate processor monitors the network for incom... | 08/30/2011 |
| 8010820 | Controlling multiple-radio wireless communication access points when using power over Ethernet An access point coupled to an Ethernet port detects whether it is using power over Ethernet, and if so, adjusts its operation to maintain its power requirements within those capable of being supplied by power over Ethernet. The access point might include a detector ... | 08/30/2011 |
| 8010822 | Power-aware thread scheduling and dynamic use of processors Techniques and apparatuses for providing power-aware thread scheduling and dynamic use of processors are disclosed. In some aspects, a multi-core system is monitored to determine core activity. The core activity may be compared to a power policy that balances a powe... | 08/30/2011 |
| 8006111 | Intelligent file system based power management for shared storage that migrates groups of files based on inactivity threshold A file server includes active storage containing frequently accessed files, and active/inactive disk drives for containing infrequently accessed files. Groups of the files having become inactive in the active storage are successively migrated to respective evacuated... | 08/23/2011 |
| 8006110 | Method and apparatus for keeping a virtual private network session active on a portable computer system including wireless functionality An apparatus for keeping a VPN session alive on a portable computer system such as a laptop computer includes a processor that executes instructions that implement application software. The laptop computer system also includes a wireless module that may communicate ... | 08/23/2011 |
| 8006112 | System and method for managing blades after a power supply unit failure Systems and methods for managing blades in the event of a power supply unit failure are disclosed. A method may include determining whether a reduced power capacity of the non-failed power supply units is sufficient to provide an aggregate minimum power requirement ... | 08/23/2011 |
| 7996697 | Matching system of electronic device and peripheral device and matching method thereof A matching system of an electronic device and a perpheral device and a matching method thereof are described. The system includes and electric device, having an identification mechanism for identifying a specific identification code and generating a control signal o... | 08/09/2011 |
| 7996696 | Updating kernel affinity for applications executing in a multiprocessor system A multiprocessor system dynamically updates CPU affinities for processes executing on processors of the multiprocessor system based on an external signal. The external signal is generated by a monitor device. The external signal identifies the processors and the pro... | 08/09/2011 |
| 7992026 | Controlling broadcast content processing using display state information Controlling supplementary data channels using display state information involves processing, at a user device, a first broadcast signal having a content channel and a second signal having a supplementary data channel. The supplementary data channel is related to the... | 08/02/2011 |
| 7984315 | External storage device and power management method for the same An external storage device includes a media control section (10), a monitoring section (20), an interface section (30) and a power control section (40). The media control section (10) drives a recording media and performs data acce... | 07/19/2011 |
| 7979728 | Charging a rechargeable external device by periodically powering down and powering up portions of the charging device until the rechargeable external device is recharged A system which enables battery powered devices such as notebook computers to efficiently charge smaller mobile devices such as music players, cell phones and PDAs using the power signals provided over their data connections is made more efficient by ensuring that th... | 07/12/2011 |
| 7979727 | Apparatus, system, and method for an integrated power supply efficient in high and low power conditions An apparatus, system, and method are disclosed for a power supply that is efficient in both high and low power conditions. An integrated power supply regulates current on a regulated bus to maintain a regulated bus voltage under varying load conditions. The integrat... | 07/12/2011 |
| 7975157 | Host device with power-saving function A card reader with power-saving function is used for being inserted with a memory card so that a computer can access the memory card through the card reader. When the memory card is inserted in the card reader, the card reader is enabled to operate. On the other han... | 07/05/2011 |
