Patent application number | Description | Published |
20090066296 | System and Method for Charging Plural Information Handling System Batteries - Plural batteries installed in an information handling system are simultaneously charged in a constant current mode to a predetermined charge and then in a constant voltage mode to a full charge to provide a reduced charge time and improved battery life. A current regulator integrated in a battery casing monitors current applied at the battery to maintain constant voltage charging. Voltage to ground of the other batteries is monitored to adjust current at those batteries where voltages in all of the battery cells are maintained substantially equal during charging. | 03-12-2009 |
20110051479 | Systems and Methods for Controlling Phases of Multiphase Voltage Regulators - A multi-phase voltage regulator is disclosed. The multi-phase voltage regulator includes a voltage regulator controller. Phase output stages are coupled to the voltage regulator controller. The voltage regulator controller and the phase output stages are configured to provide regulated voltages at one or more output nodes. The voltage regulator controller is configured to monitor one or more conditions of the phase output stages and to control one or more of the phase output stages based, at least in part, on the one or more conditions. | 03-03-2011 |
20110080151 | SYSTEM AND METHOD FOR MULTI-PHASE VOLTAGE REGULATION - In accordance with one embodiment of the present disclosure, a multi-phase voltage regulator may comprise a plurality of phases, each phase configured to supply electrical current to one or more information handling resources electrically coupled to the voltage regulator. A controller may be electrically coupled to the plurality of phases. The controller may designate at least one of the plurality of phases as a first state phase, and designate each of the plurality of phases not designated as a first state phase as a second state phase. The controller may alternate the designation of at least two of the plurality of phases between a first state phase and a second state phase. Each first state phase may be configured to supply a first electrical current regardless of electrical current demand. Each second state phase may be configured to supply a second electrical current based on the current demand. | 04-07-2011 |
20130106373 | Systems and Methods for Adaptive Body Braking Control in a Voltage Regulator | 05-02-2013 |
20150066234 | SYSTEM AND METHOD FOR MULTI-PHASE VOLTAGE REGULATION - In accordance with one embodiment of the present disclosure, a multi-phase voltage regulator may comprise a plurality of phases, each phase configured to supply electrical current to one or more information handling resources electrically coupled to the voltage regulator. A controller may be electrically coupled to the plurality of phases. The controller may designate at least one of the plurality of phases as a first state phase, and designate each of the plurality of phases not designated as a first state phase as a second state phase. The controller may alternate the designation of at least two of the plurality of phases between a first state phase and a second state phase. Each first state phase may be configured to supply a first electrical current regardless of electrical current demand. Each second state phase may be configured to supply a second electrical current based on the current demand. | 03-05-2015 |
Patent application number | Description | Published |
20080203817 | Power architecture for battery powered remote devices - Systems and methods that may be employed to provide a high-reliability power architecture for an information handling system and a physically separable (i.e., detachable) remote system. The information handling system may be, for example, a portable information handling system such as a notebook computer. The remote system may be, for example, a battery-powered input or input/output device such as a wireless keyboard configured to wirelessly communicate input/output information with the information handling system, and that is also configured to be physically and electrically coupled to the information handling system to allow a flow of current to be provided from circuitry of the information handling system to circuitry of the remote system. The power architecture may be implemented using multiple (e.g., two) Uninterrupted Power System (UPS) buses. | 08-28-2008 |
20080265683 | METHOD AND CIRCUIT TO OUTPUT ADAPTIVE DRIVE VOLTAGES WITHIN INFORMATION HANDLING SYSTEMS - A method and circuit to output adaptive drive voltages within information handling systems is disclosed. According to one aspect of the disclosure, a method of outputting power within an information handling system can include sensing a load current of a power output stage operable to employ more than one drive voltage level. The method can also include comparing the load current to a threshold current setting, and selecting a first output drive voltage from a plurality of input drive voltages in response to comparing the load current to the threshold current setting. The method can also include coupling the first output drive voltage to the power output stage. | 10-30-2008 |
20090195212 | Method and system for utilizing a memory control circuit for controlling data transfer to and from a memory system - Methods and systems are disclosed for utilizing a memory control circuit for controlling transfer of data to and from a memory system. A memory control circuit with a back up battery and control circuits is provided. Battery health is determined through a discharge cycle of the back up battery. A power supply generated from the back up battery is provided to circuitry of the memory control card during normal operations of the memory control circuit during a non-power loss state. The power supplied from the back up battery during the non-power loss state of the memory control circuit is utilized by at least a first circuit of the memory control circuit as part of normal memory controller card operations during the battery health discharge cycle. When the system is not performing a battery health cycle the first circuit receives normal system power. The memory control circuit may be a RAID card. The first circuit may be memory circuitry. The backup battery discharge rate may be regulated during the battery health discharge cycle by switching the power source for the circuitry of the memory control card between the backup battery and the normal system power. | 08-06-2009 |
20090267578 | Static phase shedding for voltage regulators based upon circuit identifiers - Systems and methods are disclosed that provide static phase shedding techniques to improve the efficiency of multi-phase voltage regulators within information handling systems by selecting the number of active phases for the multi-phase voltage regulators using circuit identifiers (IDs) for circuitry configured to be powered by the multi-phase voltage regulators, such as central processing units (CPUs). In one embodiment, processor identifier information related to installed CPUs is used to control the voltage regulator (VR) phase number to provide static phase shedding. This VR control can be implemented in a variety of ways, including the use of conventional analog multi-phase VR controllers and/or digital VR controllers. Dynamic phase shedding can also be used in conjunction with this static phase shedding to further reduce the number of active phases when a processor operates in a low power mode. | 10-29-2009 |
20120324246 | SHARED NON-VOLATILE STORAGE FOR DIGITAL POWER CONTROL - Systems and methods may be implemented in a power device subsystem topology to provide an arbitration and communication scheme between a single consolidated non-volatile random access (NVRAM) memory device and multiple discrete digital power controller devices in a manner that provides data protection and the ability to update the full NVRAM content when needed. | 12-20-2012 |
20130207630 | SYSTEMS AND METHODS FOR DYNAMIC MANAGEMENT OF SWITCHING FREQUENCY FOR VOLTAGE REGULATION - Systems and methods are provided that may be implemented to dynamically manage voltage regulator switching frequency. In one embodiment, the disclosed systems and methods may be implemented to dynamically find the optimal voltage regulator switching frequency based on the load current (I | 08-15-2013 |
20140344600 | Multiphase Voltage Regulator Using Coupled Inductors - In response to a condition not being met, asserting a control input of a driver to close a low side switch in a phase leg of a multiphase voltage regulator using coupled inductors, de-asserting the control input in response to a signal to close a high side switch of the phase leg, and asserting the control input in response to a signal to open the high side switch; and in response to the condition not being met, de-asserting the control input, asserting the control input in response to a signal to close a high side switch of another phase leg, and de-asserting the control input in response to a signal to open the high side switch of the other phase leg and to the current in the phase leg being less than a threshold. | 11-20-2014 |
Patent application number | Description | Published |
20120059088 | Novel Copolymers for Use as Oilfield Demulsifiers - Lactone/alkylene oxide polymers are useful as demulsifiers to break emulsions, e.g. water-in-oil and oil-in-water emulsions, particularly oilfield emulsions. These polymers are random or block polymer made from addition reactions of a hydroxyl- and/or amine-containing base compound with at least one lactone monomer and at least one alkylene oxide monomer. | 03-08-2012 |
20130186629 | Asphaltene Inhibitors for Squeeze Applications - Reaction products of polymeric alkyl phenol formaldehyde resins are useful as additives to inhibit or prevent the deposition or precipitation of asphaltenes in hydrocarbon fluids, particularly crude oil produced from a subterranean formation. These reaction products are formed by reacting a polymeric alkyl phenol formaldehyde resin with a co-reactant having functional groups including, but not necessarily limited to, amines, esters, silanes, ketones, epoxides, alkoxides, aryloxides, halogens, alkali metals, alkali earth metals, acetamides, non-metal oxides, metal oxides, where the co-reactant optionally has a carbon chain length between 1 and 22 and the reaction is conducted in the presence of at least one of various solvents. In one non-limiting embodiment, the co-reactant is a silicon derivative. The asphaltene inhibitors have utility when injected into a subterranean formation while oil production temporarily halts, a process called “squeezing,” because they are retained to a degree in the formation as the crude oil is produced. | 07-25-2013 |
20130231418 | Incorporation of Lactones Into Crosslinked-Modified Polyols for Demulsification - Crosslinked lactone/alkylene oxide polymers are useful as demulsifiers to break emulsions, e.g. water-in-oil and oil-in-water emulsions, particularly oilfield emulsions. These polymers are random or block polymers made from addition reactions of a hydroxyl- and/or amine-containing base compound with at least one lactone monomer and at least one alkylene oxide monomer. The polymers may be crosslinked with multifunctional epoxides, multifunctional carboxylic acids, and/or multifunctional anhydrides. The crosslinked polymers may be optionally capped by reaction with monofunctional monomers such as mono-epoxides and/or monofunctional carboxylic acids. The crosslinked polymers are also suitable as oilfield paraffin inhibitors and dispersants. | 09-05-2013 |
Patent application number | Description | Published |
20150046367 | GATHERING MEETING-RELATED INFORMATION - Gathering information related to a meeting includes confirming that the meeting has occurred, analyzing an item submitted to a content collection to determine if the item relates to the meeting, and, if the item relates to the meeting, adding the item to a cluster of materials associated with the meeting, the cluster of materials being part of the content collection. The item may be a document created during a meeting at a meeting location using at least one of the following: a traditional whiteboard, an electronic whiteboard, an Easel Pad, an IdeaPaint wall, a dry erase surface, a presentation, and materials posted online by meeting participants. The item may include as least one photograph of handwritten materials created during the meeting and added to the content collection. Analyzing an item may include determining similarities between the item and the meeting. | 02-12-2015 |
20150046370 | PROVIDING PARTICIPANTS WITH MEETING NOTES FOR UPCOMING MEETING - Providing information to a participant of an upcoming meeting includes determining a list of participants of the meeting, determining an agenda of the meeting, analyzing a content collection to determine relevant portions of the collection that relate to the meeting, and providing the relevant portions of the content collection to the participant prior to the meeting. Providing the relevant portions may include causing the relevant portions to be displayed on smart glasses of the participant. Providing the relevant portions may include causing the relevant portions to be sent to a mobile device of the participant. The mobile device may use an operating system selected from the group consisting of: iOS, Android OS, Windows Phone OS, Blackberry OS and mobile versions of Linux OS. The relevant portions of the content collection may be provided automatically to the participant. | 02-12-2015 |