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6766392 |
Electronic apparatus, control circuit for electronic apparatus, and method of controlling electronic apparatus
The present invention relates to an electronic apparatus, a control circuit of an electronic apparatus, and a method of controlling an electronic apparatus that change different states by a...
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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...
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6763470 |
System and method for dynamically amplifying a delayed analog signal based on amplitude information obtained from its digital representation
The present invention is directed to a signal processing and amplifying system that uses advance knowledge of a digital signal, before it is converted to analog form and applied to the input stage...
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6760852 |
System and method for monitoring and controlling a power-manageable resource based upon activities of a plurality of devices
A system and method for monitoring and controlling a power-manageable resource. In one embodiment, a power manageable resource, such as a bus in a computer system, may be shareable among a number...
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6760850 |
Method and apparatus executing power on self test code to enable a wakeup device for a computer system responsive to detecting an AC power source
A computer system that selectively disables power to wake on LAN (WOL) devices in the absence of AC power. In one embodiment, the computer system comprises a power supply and a power management...
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6760851 |
Power savings information processing apparatus
A PC includes a main body housing and lid. The main body housing has an input unit on the upper surface, and the lid pivotally attached to the back portion via a hinge. The lid has a liquid crystal...
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6754836 |
Microcomputer capable of switching between low current consumption mode and normal operation mode
A microcomputer includes reloadable registers for prestoring count values corresponding to an ineffective interval and an effective interval which are set in accordance with the timing of a first...
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6751088 |
Method for selecting software in electronic device
A software-selecting method is for use in an electronic device equipped with a plurality of software components and a selecting section which selects one of the software components. The method...
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6751742 |
System for responding to a power saving mode and method thereof
In one embodiment of the present invention, an application responds to a low power operation request based upon its current state. In another mode, the application responds based upon its own...
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6751741 |
Computer power management apparatus and method for optimizing CPU throttling
A method to reduce the power dissipation of a system by omitting an unnecessary CPU throttling operation in a power management apparatus that performs the CPU throttling operation. A power...
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6748548 |
Computer peripheral device that remains operable when central processor operations are suspended
A peripheral device having a circuit to detect the power management state of a central processor, a first interface to receive data, and a second interface to couple the peripheral device to the...
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6745336 |
System and method of operand value based processor optimization by detecting a condition of pre-determined number of bits and selectively disabling pre-determined bit-fields by clock gating
Circuitry reduces power consumption by a microprocessor with operand-value-based clock gating. A bit detect unit detects the condition of a pre-determined number of bits of an operand. If the...
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6742130 |
Interface apparatus, control method therefor, and information recording medium
An interface apparatus having a power-saving function, a control method therefor and an information-storing medium are provided. In the interface apparatus having a receiving means for receiving...
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6738914 |
Method and apparatus for determining whether to wake up a system by detecting a status of a push button switch that is remotely located from the system
A communication system ( 100 ) includes a control unit ( 101 ) electronically coupled to a pushbutton switch ( 129 ). The control unit ( 101 ) includes a wake-up circuit ( 110 ) having a signal...
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6738068 |
Entering and exiting power managed states without disrupting accelerated graphics port transactions
An interface between an accelerated graphics port graphics controller (AGP-GC) and a core controller to prevent entry into a low power state from interfering with transfers to or from the AGP-GC...
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6735708 |
Apparatus and method for a combination personal digital assistant and network portable device
A portable system is provided with both an ISPCA processing section, a non-standard personal computer architecture (NSPCA) processing section and a common section including apparatus common to both...
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6735648 |
USB interface-compatible computer peripheral unit
Switching means has a first input section for receiving bus power through a USB interface and a second input section for receiving higher power than the bus power and can switch the power supply...
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6732190 |
Method and apparatus for conserving power consumed by a network interface device in packet filtering mode
In one embodiment, in response to receiving a notification to enter a packet filtering mode of operation for a NIC operating a link to a hub/switch in a normal mode of operation at one operating...
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6728892 |
Method for conserving power in a can microcontroller and a can microcontroller that implements this method
A method for conserving power in a CAN microcontroller that includes a processor core and a CAN/CAL module that includes a plurality of sub-blocks that cooperatively function to process incoming...
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6725385 |
Intelligent electronic power controller
A device connected to an interface has operational logic and power control logic. The device further has multiple power modes, including a first mode and a second, lower power mode. In the first...
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6725384 |
Method and apparatus for enabling a wake-up event by modifying a second register to enable a second wake-up event responsive to detecting entry of data in a first register
A method and apparatus provides hardware-configured wake-up events for a computer operating system compliant with an advanced configuration and power interface (ACPI) protocol without requiring...
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6721894 |
METHOD FOR CONTROLLING POWER OF A MICROPROCESSOR BY ASSERTING AND DE-ASSERTING A CONTROL SIGNAL IN RESPONSE CONDITIONS ASSOCIATED WITH THE MICROPROCESSOR ENTERING AND EXITING LOW POWER STATE RESPECTIVELY
In accordance with the presently claimed invention, power consumption reduction control is provided to a processor used to execute instructions for data processing. A power management control...
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6718475 |
Multi-processor mobile computer system having one processor integrated with a chipset
Computer systems having two processors of different clock frequencies and different levels of power consumption. An interface circuit can select one of the two processors to operate at a time to...
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6715091 |
System for rearranging plurality of memory storage elements in a computer process to different configuration upon entry into a low power mode of operation
A computer processor includes a plurality of storage elements, such as logic gates and flip-flops, that are interconnected in a first configuration during normal operation of the processor. A...
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6715090 |
Processor for controlling substrate biases in accordance to the operation modes of the processor
The feature of the present invention consists in: a processor main circuit for executing program instruction strings on a processor chip; a substrate bias switching unit for switching voltages of...
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6715092 |
Power management apparatus
In a host apparatus having a service function and a host function peculiar to the apparatus together, since means such as an interface section for controlling electric power supplied to a service...
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6708278 |
Apparatus and method for awakening bus circuitry from a low power state
Apparatus and techniques for awakening bus circuitry from an inactive state as needed are described. The bus circuitry forms part of a computer system and is placed in the inactive state (i.e.,...
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6708280 |
Method and apparatus for allowing a battery to preserve charge in a handheld device without an supplying unregulated voltage to selected internal components
A handheld computer comprises a rechargeable battery module that outputs a source voltage to power one or more components of the handheld computer. The handheld computer includes a power monitoring...
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6704880 |
Reducing sleep mode subthreshold leakage in a battery powered device by making low supply voltage less than twice the threshold voltage of one device transistor
Leakage power consumption may be reduced in computers and other devices by providing a state where clocks are off and a low supply voltage is provided to the processor. This voltage may be...
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6704877 |
Dynamically changing the performance of devices in a computer platform
A device controller can have multiple device performance states (DPS), which represent different levels of performance vs. power consumption during operation. The device controller can include a...
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6694442 |
Method for saving power in a computer by idling system controller and reducing frequency of host clock signal used by system controller
A computer system has a central processing unit (CPU), a memory, a first power management routine, a second power management routine, a clock generator, an event controller, and a system controller...
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6694439 |
Apparatus for providing communications data over a power bus having a total current that is the absolute value of the most negative current excursion during communication
A bus powered device includes a signal processing control circuit connected to and powered by a bus at a predetermined operating current and a bus current modulator circuit interconnected in series...
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6694443 |
SYSTEM FOR CONTROLLING POWER OF A MICROPROCESSOR BY ASSERTING AND DE-ASSERTING A CONTROL SIGNAL IN RESPONSE TO CONDITION ASSOCIATED WITH THE MICROPROCESSOR ENTERING AND EXITING LOW POWER STATE RESPECTIVELY
Power consumption reduction control circuitry external and coupled to a processor used to execute instructions for data processing. A power management control signal is provided to the processor in...
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6691238 |
System for disabling remote wake events on a remote wake line that is coupled to a front panel switch wake line
A computer includes two signal lines on which wake events can occur, but the computer's motherboard recognizes wake signals occurring on only one of these signal lines. Therefore, the computer...
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6691199 |
Remote-control connection control device controlled by stored digital signals
An SMBus protocol is terminated at a personal computer and a remote-control connection control device for converting signals to data that can be received by each device inside a wired remote...
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6687839 |
Method and apparatus allowing a battery to regain charge in a handheld device without an applied external charge while still supplying power selected designated components
An embodiment includes a power management method for regulating power to a handheld computer. A source voltage is received from a battery module. The source voltage is regulated to power a...
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6678832 |
Memory controller for controlling an integrated memory undergoing logical state transitions
A controller and a control method of an integrated memory provided in a system LSI used in television receiver or other video appliance are disclosed. In the memory controller of the invention,...
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6678831 |
Managing power states in a computer system
A computer system having first and second low power states includes a controller (such as a BIOS routine) that can generate a request to transition to the first low power state (e.g., Suspend state...
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6675304 |
System for transitioning a processor from a higher to a lower activity state by switching in and out of an impedance on the voltage regulator
A voltage regulator may switch in an extra load when the voltage regulator changes from a higher to a lower output level in response to a processor change of state in a processor-based system. The...
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6671815 |
Low power consumption semiconductor integrated circuit device and microprocessor
In semiconductor integrated circuit device and microprocessor including at least one functional circuit block, the start of operation of the functional circuit block is detected prior to the start...
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6668318 |
System and method for loading one of a plurality of operating systems and adjusting the operating frequency accordingly using transferable core computer that recognizes a system environment
In this invention a computer system having a core unit and an enclosure for the core unit is disclosed. The core unit has the ability to determine the nature of the enclosure (be it a car, house,...
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6662302 |
Method and apparatus of selecting one of a plurality of predetermined configurations using only necessary bus widths based on power consumption analysis for programmable logic device
A signal processor that contains a programmable logic circuitry that is re-configurable in response to various parameters including, but not limited to, characteristics of a plurality of input data...
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6658576 |
Energy-conserving communication apparatus selectively switching between a main processor with main operating instructions and keep-alive processor with keep-alive operating instruction
An energy-conserving computer or information communication apparatus comprising keep-alive communication circuitry, keep-alive memory circuitry, keep-alive control means, and keep-alive operating...
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6658577 |
Breathing status LED indicator
A new and improved status LED indicator provides a pleasing visual appeal. An embodiment of the present invention includes a sleep-mode indicator for laptop computers. The LED indicator is...
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6657534 |
Remote power control
A method is provided for remotely controlling power to electronic devices. Each device includes two or more ports for receiving signals over the serial link. The method includes issuing a shutdown...
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6654895 |
Adaptive power management in a computing system
A software application for executing on a computing system that monitors a user's behavior and adapts the power management policies to the user's preferences in an automated manner. The software...
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6654896 |
Handling of multiple compliant and non-compliant wake-up sources in a computer system
A system and method are disclosed for handling devices that assert a wake-up signal in an improper fashion. It is observed that any wake-up signals that remain asserted as the computer system...
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6650189 |
Mobile device and method for the management of a standby mode in a mobile device of this kind
An RC type oscillator ( 10 ) is integrated into a processor circuit ( 2 ) of a mobile device ( 1 ). This oscillator is used to set the pace of the activity of the processor circuit during periods...
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6647435 |
Method and apparatus system with first and second controller connected via uart chip for controlling peripheral device of computer system in second power mode
A method and apparatus for driving a peripheral device of a personal multimedia system. The peripheral device driving apparatus includes a first controller installed in the personal multimedia...
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6643785 |
Interruption control circuit for use in an apparatus having a microcomputer
A CPU deactivates an A/D converter section before it stops operating in an idle mode. When any one of the keys in key matrices is pushed, the key matrix including the key pushed generates a...
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