Abstract: A system and methods for delivering power to a multitude of portable electronic devices is provided. More specifically, the system and methods provide for powering different portable electronic devices through a central charging device. The method of delivering a power supply to a plurality of portable electronic devices includes determining a power requirement for each of the portable computing devices and supplying the power requirement to each of the portable computing devices in a daisy chain configuration using a central power device.

Abstract: An intelligent serial interface circuit in accordance with one embodiment of the invention can include a first communication interface circuit for enabling a first communication protocol. The intelligent serial interface circuit can also include a second communication interface circuit for enabling a second communication protocol. Furthermore, the intelligent serial interface circuit can include a detector circuit coupled to the first communication interface circuit and the second communication interface circuit. The detector circuit can be for automatically detecting a factor that indicates automatically enabling the first communication interface circuit and automatically disabling the second communication interface circuit. The detector circuit can be for detecting a coupling of a pin of the first communication interface circuit that is not used by the second communication interface circuit.

Abstract: An image forming apparatus, which operates in a normal mode or a power saving mode, includes a user interface, a first supply unit configured to supply power in the power saving mode, a second supply unit configured to supply power in the normal mode and supply no power in the power saving mode, a detection unit configured to detect abnormality of the second supply unit, and a control unit configured to perform control to supply power from the second supply unit to the user interface when the detection unit does not detect abnormality of the second supply unit and to start power supply from the first supply unit to the user interface when the detection unit detects abnormality of the second supply unit.

Abstract: A data processing system comprises a processor operating according to a first clock signal and a memory operating according to a second clock signal. The data processing system causes the processor to read data from the memory at least in part in response to a signal from first synchronizing circuitry and a signal from second synchronizing circuitry. The first synchronizing circuitry comprises a first storage element that samples a signal synchronized to the second clock signal in combination with a second storage element that samples an output of the first storage element. The first and second storage elements are triggered by inverse transitions in the first clock signal. The second synchronizing circuitry comprises third and fourth storage elements configured in a similar manner, except that they sample a signal synchronized to the first clock signal and are triggered by inverse transitions in the second clock signal.

Abstract: A method for enabling control in a cloud computing environment includes initializing a portion of computing resources identified for enabling service to a user system in a cloud computing environment. The method may also include enabling service to the user system. Further, the method may include initializing another portion of the computing resources. After the service in the cloud computing environment has been enabled, cloud computing services may be provided by the host system to one or more user systems.

Abstract: The present image forming apparatus includes a first control unit and a second control unit driven by built-in clock oscillators to realize the distributed control. The first control unit generates, using a first timer driven by the built-in clock oscillator of the first control unit, a pulse signal corresponding to a predetermined clock rate and outputs the pulse signal to the second control unit. The second control unit measures, using a second timer driven by the built-in clock oscillator of the second control unit, a pulse width of the pulse signal outputted from the first control unit, and calculates a correction coefficient using reference pulse width corresponding to the predetermined clock rate and the measured pulse width. The processing unit processes using the calculated correction coefficient.

Abstract: System and method controlling connectivity within a device. A device may be coupled to a host device. In response to the coupling, low power logic (e.g., an embedded device) of the device may be coupled to the host device. The low power logic may perform enumeration with the host device using only power provided by the host device. The low power logic may also charge a battery of the device using power provided by the host device. Device circuitry of the device may provide a signal for coupling to the host device. In response, the device circuitry may be coupled to the host device and may perform device enumeration with the host device.

Abstract: Provided is a communication device connected to a network access device constituting a network and capable of communication through the network, includes: a circumstance determining unit that determines whether or not the network is in a circumstance of executing a protocol causing blocking of communication on the network by changing the link speed to the network access device; a power saving determining unit that determines whether or not a predetermined power saving performance condition is satisfied; and a link speed control unit that maintains the link speed when it is determined that the power saving performance condition is satisfied and when the network is in the circumstance of executing the protocol.

Abstract: A parameter management apparatus manages a plurality of parameters provided for control of an externally connected acoustic apparatus. The parameter management apparatus has a storing portion for storing a plurality of parameters stored in the acoustic apparatus. The parameter management apparatus selects, from among the parameters stored in the storing portion and the acoustic apparatus, respectively, at least one parameter for which a match is caused between the storing portion and the acoustic apparatus. The parameter management apparatus then causes exact a match between the at least one parameter stored in the storing portion and the at least one parameter stored in the acoustic apparatus.

Abstract: Low-power systems and methods are disclosed for executing an application software on a general purpose processor and a plurality of accelerators with a runtime controller. The runtime controller splits a workload across the processor and the accelerators to minimize energy. The system includes building one or more performance models in an application-agnostic manner; and monitoring system performance in real-time and adjusting the workload splitting to minimize energy while conforming to a target quality of service (QoS).

Abstract: Program execution with improved power efficiency including a computer program that for performing a method that includes determining a current power state of a processor. Low power state instructions of an application are executed on the processor in response to determining that the current power state of the processor is a low power state. Executing the low power state instructions includes collecting hardware state data, storing the hardware state data, and performing a task. High power state instructions of the application are executed on the processor in response to determining that the current power state of the processor is a high power state. Executing the high power state instructions includes performing the task using the stored hardware state data as an input.

Abstract: An apparatus, system, and method are disclosed for providing power balancing for power supplies. A power module measures an amount of input power for each of a plurality of switching power supplies. A conversion module converts the measured amount of input power of each power supply to a digital power measurement signal. An averaging module determines an average amount of input power per power supply based on a summation of the digital power measurement signal of each power supply. A comparison module compares the digital power measurement signal of a power supply to the determined average amount of input power per power supply. An input power adjustment module adjusts the input power of the power supply to cause the amount of input power of the power supply to be substantially equal to the determined average amount of input power per power supply.

Abstract: An IEEE 802.3 compliant physical layer device provides efficient loading of configuration information of the physical layer device. The configuration information is written into a volatile memory in the physical layer device, and then uploaded to at least one EEPROM. The configuration information is downloaded to the volatile memory during startup of the physical layer device. The system controller can also directly access the EEPROMs, bypassing the volatile memory. By providing a bridge between the system controller and the EEPROMs and providing additional bits in the volatile memory of the physical layer device, the system controller can read and write the EEPROMs one byte at a time. During reset time, the content of the EEPROMs is written to registers in the physical layer device to configure the physical layer device.

Abstract: A system and method of coordinating power states between two detachable units is disclosed. Only the primary unit has a user-controllable power control. The secondary unit is not directly user controllable. The power states of the two units are coordinated using an actuator mechanism when the units are attached. When the two units are detached, the state of the secondary unit is dependent upon the state of the primary unit and any subsequent commands transmitted by the primary unit to the secondary unit.

Abstract: Each communication path between controllers and a plurality of storage devices has a plurality of expanders coupled in series. In order to shorten the time during which the communication path is not used for I/O, either (A) the length of time for which I/O suppression is set for the communication path is shortened, or (B) the overall time it takes for processing other than I/O processing is shortened. In the (A), a determination as to whether or not the coupling between the expanders has been disconnected is made for the I/O-suppressed communication path, and in a case where the result of this determination is negative, a discover process is carried out after releasing the I/O suppression with respect to this communication path. In the (B), the number of command issue times of updating routing control information of the expander is reduced.

Abstract: In a computer-implemented method, an electronic communication from a first computing machine is received and includes a power value and one or more priority values. The power value represents a request for a power allotment expected to be used during a predetermined time and the priority values represent priorities of tasks expected to be executed during the predetermined time. A score for the request is calculated using a scoring function and the received priority values as inputs to the scoring function. The score is compared to one or more other scores respectively associated with requests for power allotments from other computing machines and previously calculated using the scoring function following receipt of one or more electronic communications each including a power value and one or more priority values. A top-ranked score is identified and an electronic communication is sent to the associated computing machine granting the requested power allotment.

Abstract: A method for replacing a current desktop image having a current operating system on storage media for a computing device is described. In the method, an agent process is executed on the computing device for downloading from a server to a staging area on local storage media a replacement desktop disk image having a replacement operating system. The replacement desktop image includes a prefetch set of files and metadata for additional files, the prefetch set of files including a minimal set of files necessary to boot the replacement operating system, the replacement desktop image not including contents of the additional files. The computing device is rebooted to replace the current desktop image with the replacement desktop image. The computing device is then rebooted again to load the replacement operating system using the prefetch set of files.

Abstract: A battery management system (BMS), a method of controlling the same, and an energy storage system including the battery management system. The BMS may reduce costs by stably supplying power to an insulating unit in a power-saving mode even when an isolator has no built-in direct current (DC)-DC converter.

Abstract: Aspects in a method and system for no buffered traffic indication for wireless local area network (WLAN) power save may enable a peer communication device to determine a time duration for remaining in an active operating state based on communication with other peer communication devices. In one aspect, a given peer communication device may determine that it has no data to communicate to any of the remaining peer communication devices. The given communication device may communicate to each of the peer communication devices that there is no data to transmit to the peer communication device. Each of the peer communication devices may communicate that there is no data to transmit to the given peer communication device. Based on the communications, the given peer communication device may exit the active operating state and enter a low power operating state.

Abstract: In a first aspect, a first method is provided for self-adjusting allocation of memory bandwidth in a network processor system. The first method includes the steps of (1) determining an amount of memory bandwidth of a network processor used by each of a plurality of data types; and (2) dynamically adjusting the amount of memory bandwidth allocated to at least one of the plurality of data types based on the determination. Numerous other aspects are provided.