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7096374 Method and apparatus for defining an input state vector that achieves low power consumption in digital circuit in an idle state  
The method defines an input state vector that achieves low power consumption when applied to the circuit inputs of a digital circuit in an idle state. The digital circuit includes one or more...
7093149 Tiered secondary memory architecture to reduce power consumption in a portable computer system  
A computer system that optimizes the power efficiency of a portable computer system is described. Specifically, the secondary memory of the system is partitioned. A standard hard disk drive is used...
7093140 Method and apparatus for configuring a voltage regulator based on current information  
A computer system includes a voltage regulator that supplies power to a component. The component may provide a signal indicating an amount of current the component consumes under a high utilization...
7089190 System and method for managing utility power use  
A system for managing utility power use by ascertaining the amount of resources to be purchased from a power supplier, identifying transactions that balance energy needs with various users, and...
7072637 Method and system for arranging frequently accessed data to optimize power consumption  
A method and system for optimizing energy consumption during data file read/write operations in a battery powered disk-based memory system is provided.
7062664 Bus management based on bus status  
A P bus from a CPU, an MC bus from a system memory, an IO bus to which an input/output device has been connected, and a G bus for transferring image data of a scanner/printer controller are...
7038984 Power backup method for disk array storage apparatus  
HDD boxes 83 1 to 83 n are each incorporated with a secondary battery box 87 , a non-isolated DC/DC converter 89 , and an HDD 91 . Logical circuit boards 85 1 to 85 n are each...
7031372 Multiple user reconfigurable CDMA processor  
A circuit consistent with certain embodiments of the present invention has a source of N reference clock frequencies ( 230 ), where N is an integer greater than one. N frequency extender circuits (...
7032117 Dynamic power control in integrated circuits  
A method and device is disclosed for implementing dynamic power control in an electronic system implemented on an integrated circuit, which electronic system comprises at least one or several...
7024569 Method and apparatus for supplying auxiliary power to a bus coupled peripheral  
A method and apparatus for supplying auxiliary power to a peripheral is disclosed. The method includes supplying power from a first USB port of a host device to an input USB port of a USB hub...
7007176 System and method for highly phased power regulation using adaptive compensation control  
A highly phased power regulation (converter) system having an improved control feature is provided. A controller, such as a digital signal processor or microprocessor, receives digital information...
7000133 Method and apparatus for controlling power states in a memory device utilizing state information  
A method of controlling power states in a memory device includes determining if a power-down command is received. A first lower power state is entered if the power-down command is received and the...
6988212 Method and system for adaptive power control in a networking system  
A method and system for adaptively controlling the power of transmissions between nodes in a networking system in order to reduce the potential for cross-talk interference or noise in other...
6944714 Method and apparatus for saving microprocessor power when sequentially accessing the microprocessor's instruction cache  
An embodiment of the invention provides a circuit and method for reducing power in multi-way set associative arrays. A control circuit detects when the next cache access will be taken from the same...
6938119 DRAM power management  
A system and method for limiting power consumption of a computer memory system. The system and method includes selecting a memory access rate. The selected memory access rate corresponds to a...
6931559 Multiple mode power throttle mechanism  
A processor includes a digital throttle to monitor the activity of various units of the processor's instruction execution pipeline, and to determine a power state for the processor from the...
6928563 System for controlling power supplies of a device connected to a network depends on communication mode  
Required power consumption is reduced for communication between communication devices connected to a network by an IEEE 1394 bus line. When the network includes communication in a synchronous...
6928564 Method for managing image processing devices on a network  
In a client personal computer, when a user starts a remote copy program, the initial remote copy and setting screens are displayed on a screen. Together with this display, power consumption...
6912664 Energy-aware software-controlled plurality of displays  
Energy-aware software control in a computer system requires a plurality of displays. At least two of the displays have diverse attributes that enable reduction in the energy consumption of the...
6910140 Power supply management device and method for a computer equipment having powered I/O ports in standby mode  
A computer equipment includes an electrically powered memory and a power supply conductor for at least one input/output port. During at least one mode of operation such as standby, said memory and...
6898719 Microcomputer comprising electric power source without condenser for backup for changing power source level based on power supply stopped or resumed  
A microcomputer comprises: a first electric power source VDD1 to which a condenser 30 used for backup is added; a second electric power source VDD 2 to which the condenser 30 used for backup...
6883016 Electronic mail terminal device and method of controlling the same  
An electronic mail terminal device having a power-saving function, and a method of controlling such an electronic mail terminal device are provided. When electronic mail is neither being fetched...
6857079 Integrated driver electronic (IDE) device power control  
Methods and apparatus for power managing IDE devices. A driver is coupled to a switch, the driver receiving a control signal from a computer system, the control signal indicating whether the...
6836824 Method and apparatus for reducing power consumption in a cache memory system  
A method for operating a cache having a sleep mode is provided. The cache is located within a memory hierarchy of a computer system, and the method is comprised of receiving a first cache request,...
6816977 Power reduction in computing devices using micro-sleep intervals  
Short duration micro-sleep or nap periods reduce the power consumption of a computing device. In use, the computing device determines a first duration to a next expected event in the computing...
6804788 System for controlling a switchmode power supply in a computer system by first coarsely and then finely adjusting a time-length signal  
A pulse width modulation controlling circuit for a power supply and method for controlling a switchmode power supply in a computer is disclosed. The present invention accomplishes control over the...
6804541 PC card integrated radio communication apparatus  
PC card integrated radio communication apparatus is provided wherein the service hour is prolonged and battery charge is made possible in the operating state where current consumption of the radio...
6801811 Software-directed, energy-aware control of display  
A method and system for reducing energy consumption of a display in a computer system. The method includes profiling screen usage patterns and the impact of the screen usage patterns on energy...
6771250 Portable computer system having application program launcher for low power consumption and method of operating the same  
A hand-held computer is described, which comprises an application program launcher having a multi-point switch. Using the launcher, a user selects and executes one of several application programs...
6772356 System for specifying core voltage for a microprocessor by selectively outputting one of a first, fixed and a second, variable voltage control settings from the microprocessor  
A core voltage for a core logic region of an integrated circuit is specified by a programmable register on the integrated circuit. Output terminals on the integrated circuit are coupled to the...
6766462 System for playing music CDs on a computer in power-saving mode  
A computer system with the capability to play music CDs while in power-saving mode without the consumption of power by system elements not used by the music-playing operation. The system comprises...
6704878 Apparatus and method for improved precomputation to minimize power dissipation of integrated circuits  
In an IC chip, a novel precomputation architecture and process which grants improved reductions in power dissipation, requires less logic to implement, and relaxes critical timing constraints. A...
6693851 Electronic device and control method for electronic device  
When an electronic timepiece is in a power-saving mode in which the current time display is suspended, it is determined whether or not the charge voltage supplied from a high-capacity capacitor is...
6684341 Method of altering the appearance of an icon of a program to provide an indication to a user that a power management is associated with the particular program  
A method, apparatus, and computer implemented instructions in a data processing system for managing processor power usage. Current processor utilization is compared to current processor spaced to...
6598082 Adaptive modem connection lifetimes  
In an arrangement where users are connected to an ISP through a bank of modems, a time-out threshold is then selected for the user based on the user's connection pattern. The threshold is varied...
6594767 System for preventing power save mode during a pre-set condition while tracking patterns of use in order to modify the pre-set condition to accommodate the patterns of use  
A computer peripheral device is prevented from being in power save mode by either forcing the peripheral device out of power save mode or preventing the peripheral device from entering power save...
6574738 Method and apparatus to control processor power and performance for single phase lock loop (PLL) processor systems  
An integrated circuit contains a central processing unit (“CPU”), a graphic control hub (“GCH”), a memory control hub (“MCH”), and a phase lock loop (“PLL”). The GCH, MCH, and PLL...
6570561 Portable computer with low voltage differential signaling adapter  
A computer ( 10 ) uses a TTL-to-LVDS converter board ( 34 ) coupled to a graphics controller ( 32 ). The graphics controller ( 32 ) outputs video information using TTL logic levels. The TTL-to-LVDS...
6553501 Predictive power saving method and apparatus for a device based on computed amount of power saving and time at which the device should transition from first state to second state  
A system which reduces power dissipation in a data storage device having a normal operating mode and at least one power saving mode by computing a predicted amount of power that would be saved by...
6549127 Switchgear cabinet monitoring arrangement  
A switchgear cabinet monitoring arrangement having a base monitoring device which is arranged or intended to be arranged in a switchgear cabinet and has at least one bus connection, several sensor...
6530027 Method for reducing power consumption, and portable electronic device and entertainment system that employ the method  
A portable electronic device and method manage battery-produced power without lowering sound quality for music and other sound effects. In the present invention, an operation clock of the CPU of...
RE38004 Universal AC sequencer for a server  
An AC sequencer receives source AC voltage via a sequence-mounted universally accepted connector, such as an IEC 309 compatible connector. Source AC is coupled by an AC connector plug and AC power...
6446213 Software-based sleep control of operating system directed power management system with minimum advanced configuration power interface (ACPI)-implementing hardware  
Before a register provided exclusively for an Advanced Configuration and Power Interface (ACPI) is set, a System Management Interrupt (SMI) is issued to a Central Processing Unit (CPU). A System...
6414675 Personal computer system having wake-up functionality controlled by a CD control panel  
A personal computer (PC) system has, amongst other circuitry and devices, a CD drive, a CD playing control circuit, an embedded controller, a CD control panel and an embedded display program...
6397338 Power management circuit that qualifies powergood disposal signal  
A power recycle circuit is for use in a power management system. An input of the power recycle circuit is for receiving a clock signal. A detection circuit is for sensing a minimum disable pulse...
6389556 Mechanism to prevent data loss in case of a power failure while a PC is in suspend to RAM state  
An improved sleep state provides the benefits of low latency wake up for normal situations, but also provides the ability to wake up in the event that system memory is corrupted during the sleep...
6374277 Handheld computing device with external notification system  
A portable handheld computing device has a notification system that alerts a user of an event regardless of whether the device is on or off. The notification system has a notification mechanism...
6367021 Power management system with programable configuration circuitry using digital power level signal to selectively configure operations of electronic circuits  
An electronic system is provided that includes a plurality of power consuming electronic circuits and a power management system that interfaces a power supply to the plurality of power consuming...
6304823 Microprocessor power supply system including a programmable power supply and a programmable brownout detector  
A microprocessor power supply system, which features a programmable power supply and a programmable brownout detector with a central control unit that allows for independent, but coordinated,...
6282663 Method and apparatus for performing power management by suppressing the speculative execution of instructions within a pipelined microprocessor  
A method for reducing power consumption within a processor, having branch prediction circuitry, requires detecting the occurrence of a trigger event and then suppressing speculative execution of an...