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6950953 |
Network system provided with multifunctional printer and terminal apparatus connected to the multifunctional printer
A multifunctional printer is provided with a main CPU that controls the entire apparatus, main power unit that supplies power to the main CPU, sub CPU that shuts down the power supply from the main...
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6950903 |
Power reduction for processor front-end by caching decoded instructions
A power aware front-end unit for a processor may include a UOP cache that disables other circuitry within the front-end unit. In an embodiment, a front-end unit may disable instruction...
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6948079 |
Method and apparatus for providing supply voltages for a processor
For one embodiment of the present invention, a processor may include one or more integrated voltage regulators powered by an external voltage regulator and generating one or more local supply...
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6948029 |
DRAM device and refresh control method therefor
A DRAM (dynamic random access memory) device has: DRAM with a self-refresh function; a DRAM controller for controlling the DRAM; a timer built in or externally connected to the DRAM controller; and...
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6948078 |
Battery having a plurality of temperature sensors for outputting different control information to a connected computer system based upon the temperature relationships of the sensors
A battery pack includes overcurrent limiting transistors and respective sensors in proximity to battery cell and the transistors. A CPU in the battery pack receives temperature signals from the...
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6948082 |
Method and apparatus for software-assisted thermal management for electronic systems
In a computer system, a device for measuring power dissipation (e.g., using on-die thermal sensors) is linked to both a hardware-based thermal management solution and with a means for causing a...
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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...
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6941480 |
Method and apparatus for transitioning a processor state from a first performance mode to a second performance mode
A method and an apparatus to dynamically transition a processor between two performance states, high performance and low power. Predetermined core clock frequency and supply voltage levels of the...
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6938176 |
Method and apparatus for power management of graphics processors and subsystems that allow the subsystems to respond to accesses when subsystems are idle
A graphics processing device implementing a set of techniques for power management, preferably at both a subsystem level and a device level, and preferably including peak power management, a system...
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6934917 |
Automatic selection of favorite media selections of a user of a media presentation device
A system and method provides for the automatic generation of a list of channels, stations, selections, etc., that are selected most often on a media presentation device by a user during a...
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6934870 |
Clock management scheme for PCI and cardbus cards for power reduction
A clock management scheme for an 802.11 MAC on a PCI or Cardbus bus that works in conjunction with industry standardized power mechanisms. The scheme involves enabling and disabling the main clock...
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6934864 |
System and method for co-operative thermal management of electronic devices within a common housing
A method for co-operative thermal management of a number of independent electronic devices housed within a common enclosure that includes designating a priority number and measuring a temperature...
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6934865 |
Controlling a processor resource based on a compile-time prediction of number of instructions-per-cycle that will be executed across plural cycles by the processor
A method, for use in a processor, includes estimating a number of instructions-per-cycle that will be executed by the processor based on static compile-time information extracted during...
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6931556 |
Background transfer of optical disk to hard disk
The present invention provides a method for reducing the amount of power consumed by an optical disk player. The method provides: recording at least a portion of the audio, video, or audio/video...
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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...
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6928562 |
Method and system for managing power in a system having an internal USB HUB
A method and system for managing power in a computer system is disclosed. The computer system includes a host. The method and system include providing a Universal Serial Bus (USB) hub, at least one...
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6925529 |
Data storage on a multi-tiered disk system
A method and a computer usable medium including a program for operating disks having units, comprising: providing a first tier of at least one disk, the first tier storing at least one popular...
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6922788 |
Low power access to a computing unit from an external source
A method for conserving energy in a computing unit and transferring data between the computing unit and an external source. The computing unit is in a power saving mode. The method includes...
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6920575 |
POWER SOURCE SWITCHING UNIT WITH INTEGRATED CHARGING CIRCUIT FOR SELECTIVELY COUPLING AN EXTERNAL POWER SOURCE, A COMPUTER LOAD, AND BATTERIES, FOR PROVIDING TEMPORARY POWER DURING COUPLING, AND FOR CHARGING BATTERIES
To obtain a power source switching unit that is capable of cost and size reduction, and also supplying electric power reliably even when external power supply is intercepted, and to obtain a...
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6920572 |
Unanimous voting for disabling of shared component clocking in a multicore DSP device
A digital signal processing chip having a multiple processor cores with corresponding processor subsystems, a shared component, and a clock tree, is disclosed herein. A clock tree distributes clock...
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6920573 |
Energy-conserving apparatus and operating system having multiple operating functions stored in keep-alive memory
A computer power supply, motherboard, and computer system each is adapted for providing multiple operating functions. Of particular importance is an energy-conserving operating function that...
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6918044 |
Password protection for high reliability computer systems
A high reliability computer system includes a first processing engine (PE), a first memory and a third memory both accessible by the first PE, a second PE, and a second memory and a fourth memory...
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6917646 |
Circuit for exchanging communications over a transmission line
A circuit for exchanging communications via a transmission line, including a detector for detecting a predetermined start-of-communication signal, a means for coupling the transmission line on the...
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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...
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6910141 |
Pipelined data processor with signal-initiated power management control
A pipelined data processor with signal-initiated power management control in which a plurality of subcircuits, including pipeline subcircuitry, and circuitry for generating and controlling at least...
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6910142 |
System for detection and routing of platform events in a multi-cell computer
A system for providing notification, to the associated operating system, of removal and replacement of I/O devices during operation of a multiprocessor computer system running multiple operating...
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6907536 |
Integrated circuit for image pickup device
A design for reducing the power dissipation in an integrated circuit for an image pickup device. Placing a circuit block ( 2 ), such as for generating a driving signal to an image pickup apparatus,...
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6904488 |
Portable electronic device comprising common serial bus connector
A portable electronic device according to the invention comprises a USB connector 4 , a USB controller 6 for executing predetermined data communication processing attendant on data communication...
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6904535 |
Information processing device selecting normal and exclusive operational modes according to wake up instructions from a communication interface section or an input/output device
An information device for speeding up relatively simple processing such as data reference with respect to an information device such as a personal computer, and an information electric home...
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6898718 |
Method and apparatus to monitor performance of a process
Briefly, in accordance with one embodiment of the invention, a portable communication device has a processing unit and a monitoring unit. The monitoring unit monitors performance of a software...
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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...
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6895448 |
Low-power audio CD player for portable computers
A low-power audio CD player for portable computers permits operation of the CD-ROM subsystem when power is not being supplied to the computer subsystem. In one embodiment of the invention, the...
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6895520 |
Performance and power optimization via block oriented performance measurement and control
An integrated circuit includes a plurality of functional blocks. Utilization information for the various functional blocks is generated. Based on that information, the power consumption and thus...
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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...
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6883105 |
Method and apparatus for configuration control and power management through special signaling
A method and apparatus for configuration control and power management through special signaling is provided. In one embodiment, a computer system may include a processor and a plurality of devices...
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6880094 |
Cas latency select utilizing multilevel signaling
A method of selecting CAS latencies in a system. Specifically, a system which includes a plurality of memory modules is provided. Because different memory modules may have different CAS latencies,...
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6877098 |
System and method for directing access from a framebuffer to a virtual framebuffer when the framebuffer is powered off in a power management mode
Methods and apparatus for managing power of a computer system. Access to a device by a process that accesses the device but does not require user interaction to continue running is prevented during...
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6877074 |
Apparatus having durable storage
A data server system and a computer apparatus is provided that can process external accesses reliably during mobile use. A main PC set in the suspend or hibernation mode during mobile use is...
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6877058 |
Information processing unit having a slot, information processing method for an information processing unit, and program that controls an information processing unit
An information processing unit is adapted to connect a USB device provided on a board to a USB host controller only when it is actually used. Based on a signal regarding an n-th pin received from a...
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6877099 |
Wireless display system operable in power saving operation mode and control method for controlling the system
A wireless display system including a computer and a wireless display wireless-communicating with each other is provided. In the system, the wireless display automatically shifts back from a power...
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6874094 |
Method for locking user input elements for a small computer device by ignoring input signals if a locking signal is generated by a calendar-type application program
A system and method for automatically locking user interface input elements to avoid negative impact of inadvertently pressing a user input element. The method receives an internally generated...
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6874095 |
Memory control system
The processor, upon fetching a sleep command, stops its own operation and outputs an internal power-down signal. The power-down control circuit outputs, upon receiving the internal power-down...
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6865621 |
Activating an operating system of a computer in response to an operation of power switch of a medium drive without turned on a main switch of the computer
A computer comprises a medium drive configured to reproduce data recorded in a video recording medium and an audio recording medium. When a reproduction switch is turned on if the computer is not...
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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...
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6854066 |
Method and system to avoid battery sag by detecting momentary fluctuation in a periodic terminal voltage measurement and excluding the measurement from updated average terminal voltage
A method and system for power source management of a portable device. A power source used to supply electrical energy for a portable device should ideally operate with a constant terminal voltage....
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6854064 |
ACPI complaint computer system and overtemperature protection method therefor
A computer system having an operating system which complies with the advanced configuration and power interface (ACPI) specification comprises a temperature sensor for sensing an inner temperature...
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6851067 |
Current driven serial bus system having an energy saving mode
Two measures are provided in order to allow a serial bus system to be operated such that it is resistant to interference and defects, and such that it operates with low power consumption. Firstly,...
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6850240 |
Method and apparatus for scalable image processing
An apparatus for scalable image processing includes a display, multiple graphics functional units and a mode selector. Each of the graphics functional units has a configuration of a predetermined...
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6848056 |
System and method to regulate shut down of power supply by sensing an external device connection, and status of connection
Disclosed is a signal processing apparatus in which it is possible to obtain a favorable system construction in a case where the main unit of the apparatus and an external device have been...
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6845454 |
System and method for selecting between a high and low speed clock in response to a decoded power instruction
A processor clock generation circuit and related method for a low power consumption modem chip design includes a first clock generator for generating a first clock signal in response to enable and...
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