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Class 713/324 - By shutdown of only part of system


Subclass of Class 713 - Electrical computers and digital processing systems: support
Definition: Subject matter wherein power conservation is achieved by
No. of patents: 1482
Last issue date: 05/29/2012


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NumberTitleIssue Date
7269832Generic virtual device driver
A method and apparatus provides for handling communications between an application and a device through a device driver. Calls or commands are used by the device driver to access the hardware that are common to a number of different types of devices that are to be h...
09/11/2007
7269750Method and apparatus for reducing power consumption in a graphics controller
The invention in one embodiment is a method of managing power in a graphics controller. The method includes receiving a change indication related to a system power supply. The method also includes adjusting a first clock or adjusting a set of clocks including a firs...
09/11/2007
7269203Receiver for receiving a spectrum dispersion signal
A receiver for the CDMA system, in order to reduce a power consumption during a suspension period of intermittent receiving operation, monitors a suspension period t1 by means of a low-power timer 51 so that a VC-TCXO 1, a reference signal group...
09/11/2007
RE39837Method and apparatus for adjusting a power consumption level based on the amount of time a processor clock is stopped
A power management mechanism for use in a computer system having a bus, a memory for storing data and instructions, and a central processing unit (CPU). The CPU runs an operating system having a power management virtual device driver (PMV×D) responsible for perform...
09/11/2007
7269752Dynamically controlling power consumption within a network node
A method and system for controlling power consumption within a network node is disclosed. The method and system include dynamically controlling the power consumption of network processing engines based on predetermined thresholds. By dynamically controlling the powe...
09/11/2007
7266641CPU, information processing device including the CPU, and controlling method of CPU
A CPU includes a bus interface, a control unit, an instruction cache, a data cache, a secondary cache, an instruction decoder, an arithmetic unit, and registers. When operations can be performed only with the cache, the CPU inhibits access to external memory and sto...
09/04/2007
7266849Deterring unauthorized use of electronic devices
A method for deterring unauthorized use of an electronic device is described. The method includes installing security data in a protected storage area, installing a security routine operable to check for the security data, and prompting a user for identity informati...
09/04/2007
7263622Power-saving device for controlling circuit operation, and information processing apparatus
An information processing apparatus includes a first function block which controls rendering and a second function block which controls operation modes of the first function block. The rendering is finally performed in a display unit. The second function block shift...
08/28/2007
7263623Microprocessor system
A microprocessor-based system includes multiple peripherals, which can be accessed by the microprocessor over a system bus, with the aid of address decoding logic. Depending on the required functionality of the system at any time, one or more of the peripherals can ...
08/28/2007
7263624Methods and apparatus for power control in a scalable array of processor elements
Low power architecture features and techniques are provided in a scalable array indirect VLIW processor. These features and techniques include power control of a reconfigurable register file, conditional power control of multi-cycle operations and indirect VLIW util...
08/28/2007
7263567Method and apparatus for lowering the die temperature of a microprocessor and maintaining the temperature below the die burn out
According to one embodiment, a method is disclosed. The method includes determining whether the temperature of a central processing unit (CPU) exceeds a predetermined threshold. In addition, the method includes generating a first interrupt if the temperature of the ...
08/28/2007
7263564Inquiring apparatus and method thereof
An inquiring apparatus and method thereof is provided for assisting the CPU to inquire the state of the peripheral device. When the CPU needs to perform an inquiring process to wait for a peripheral device to come to an expected state, an inquiring apparatus is acti...
08/28/2007
7260729Home network station with streaming media function and power control method thereof
An electronic device includes a first circuit block and a second circuit block. The first circuit block executes a data processing, and the second circuit block executes a processing associated with network routing. A controller selects an operating mode from among ...
08/21/2007
7260731Saving power when in or transitioning to a static mode of a processor
A method for reducing power utilized by a processor including the steps of determining that a processor is transitioning from a computing mode to a mode is which system clock to the processor is disabled, and reducing core voltage to the processor to a value suffici...
08/21/2007
7260732Power regulation system and method for a portable electronic device
A power regulating system and method are provided for regulating power in a portable computing device. The portable computing device includes microprocessing and radio communication capabilities. The power regulating system utilizes a number of power states to regul...
08/21/2007
7260752Method and apparatus for responding to critical abstracted platform events in a data processing system
A method, apparatus, and computer instructions for generating a hardware interrupt to the operating system in response to detecting a presence of the event in the platform. The event is stored in a partition queue associated with a partition firmware in response to ...
08/21/2007
7260217Speculative execution for data ciphering operations
In one embodiment, a computer-implemented method comprises receiving a data cipher operation. The method also comprises processing the data cipher operation. The processing of the operation includes generating a number of portions of ciphertext from plaintext, where...
08/21/2007
7256788Graphics power savings system and method
The present invention facilitates utilization of flexible and efficient power savings in graphics systems. A graphics power management method loads a first set of graphics commands from a CPU into a GPU at the beginning of a frame cycle. The CPU is put into a power ...
08/14/2007
7256639Systems and methods for integrated circuits comprising multiple body bias domains
Systems and methods for integrated circuits comprising multiple body bias domains. In accordance with a first embodiment of the present invention, an integrated circuit is constructed comprising active semiconductor devices in first and second body bias domains. A f...
08/14/2007
7257724Method and apparatus for power management in a local area network
A method of power management for use in a local area network, in which a plurality of local area network nodes are supplied power over communication cabling, the method comprising: supplying power to the plurality of local area network nodes over communication cabli...
08/14/2007
7254730Method and apparatus for a user to interface with a mobile computing device
A method and apparatus for a user to interface with a mobile computing device is disclosed. In one embodiment, a method, comprises providing information on a user interface connected to a mobile computing device having a primary display, wherein the mobile computing...
08/07/2007
7254732Method and apparatus of automatic power management control for serial ATA device directly attached to SAS/SATA host controller
The present invention is directed to a method and apparatus of automatic power management control for a Serial ATA device directly attached to a SAS/SATA host controller. In an exemplary aspect of the present invention, it is determined whether a Serial ATA device i...
08/07/2007
7254735Data processing system with block control circuits using self-synchronization handshaking and local clock/power control based on detected completion within subblocks
It is an object to obtain a self-synchronization type block processing apparatus which does not need to optimize a clock path to be distributed to each block in a clock phase management at an upper level, and can suppress an increase in a circuit scale and can minim...
08/07/2007
7253790Notebook computer and handheld device display skin
A portable data processing device is provided with first and second display devices. The first display device receives signals for displaying a first set of information, and the second display device receives signals for displaying a second set of information. The s...
08/07/2007
7254673Provision of a victim cache within a storage cache hierarchy
Apparatus, methods, and program products for storing data address a first cache and a second cache. The second cache is capable of operating in a first mode wherein data read for storage in the first cache is also stored in the second cache, and is capable of operat...
08/07/2007
7254727Information processor with suppressed cache coherence in low power mode
An information processor having a normal-operation mode in which coherence control is performed for making data in a cache memory of a processor identical to data in a main memory and a power-saving mode in which the coherence control is suppressed to lower the powe...
08/07/2007
7254724Power management system
According to one embodiment of the present invention, there is provided a power management system for use in a computer system having a memory system incorporating a non-volatile memory and a controller which presents the logical characteristics of a disc storage de...
08/07/2007
7251723Fault resilient booting for multiprocessor system using appliance server management
A multiprocessor computer system implements fault resilient booting by using appliance server management. While previous systems have utilized fault resilient booting, it has required the use of a baseboard management controller chip. The present invention avoids th...
07/31/2007
7251738Method of remotely controlling power to an information handling system via a peripheral bus after a loss of power
An information handling system (IHS) is provided which is controlled by a remote control that sends commands to a receiver in the IHS. The IHS has the ability to recover from a loss of power that occurs when the IHS has entered a reduced power state. After power los...
07/31/2007
7251350Method and apparatus for adaptive realtime system power state control
Method and Apparatus of the present invention provides innovative real-time system power management with respect to user presence by using an image-capturing device and computer vision technology. The image-capturing device is to capture an image that includes an ar...
07/31/2007
7249269Method of pre-activating network devices based upon previous usage data
An approach for pre-activating network devices includes using prior usage of a network device to estimate times when the network device will be used in the future. The network device is then pre-activated, i.e., transitioned to an active operational state, prior to ...
07/24/2007
7248146Method for waking a device in response to wireless network activity
A method and a system for data transmission between a first electronic device and a second electronic device, wherein the second electronic device is in a sleep mode. Transmission of data between the first electronic device and the second electronic device occurs wh...
07/24/2007
7249247Common feature mode for microprocessors in a multiple microprocessor system
A mechanism whereby a set of microprocessors may be set to a common mode in which the microprocessors utilize one or more features that are common to all microprocessors. The common mode facilitates proper multiprocessor operation and permits a fix (e.g., a microcod...
07/24/2007
7249271Data transfer control device and electronic instrument
A data transfer control device includes an OUT-transfer transmitter circuit which transmits OUT data by driving a serial signal line, a clock-transfer transmitter circuit which transmits a clock signal CLK by driving a serial signal line, a PLL circuit which generat...
07/24/2007
7246225Method and apparatus for implementing a sleep proxy for services on a network
One embodiment of the present invention provides a system for implementing a sleep proxy. The system starts by receiving a request at the sleep proxy for information pertaining to a service provided by a device. In response to this request, the system determines if ...
07/17/2007
7243250Electronic apparatus and method for controlling semiconductor integrated circuit
When an event takes place in a standby mode, data corresponding to the event is set to a shadow register. The shadow register is operated with a low speed local clock. The contents of the shadow register are copied to a bus IF register through a selector. The bus IF...
07/10/2007
7243265Nearest neighbor approach for improved training of real-time health monitors for data processing systems
Methods, systems, and articles of manufacture consistent with the present invention train a real-time health-monitor for a computer-based system while simultaneously monitoring the health of the system. A plurality of signals that each describe an operating conditio...
07/10/2007
7243372Modified Harvard architecture processor having data memory space mapped to program memory space with erroneous execution protection
A processor has an architecture that provides the processing speed advantages of the Harvard architecture, but does not require two separate external memories in order to expand both data memory and program instruction memory. The processor has separate program memo...
07/10/2007
7243261Supply control apparatus and power supply control method
In a power supply control apparatus for controlling turn-on/turn-off of power of a main power supply to a load via a switch section, a drive signal producing section produces a drive signal for controlling ON/OFF operations of the switch section, based on an activat...
07/10/2007
7243249Method and apparatus for facilitating power state control and awareness of an autonomous subsystem in a computer based system
A method and apparatus for facilitating power state control and awareness of an autonomous subsystem in a computer based system without involvement of the main operating system. ...
07/10/2007
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