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108results about How to "Maximize battery life" patented technology
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Secure PKI Communications for "Machine-to-Machine" Modules, including Key Derivation by Modules and Authenticating Public Keys
ActiveUS20150095648A1Extend battery lifeImprove efficiencyKey distribution for secure communicationMultiple keys/algorithms usageComputer hardwareDigital signature
Methods and systems are provided for efficient and secure “Machine-to-Machine” (M2M) between modules and servers. A module can communicate with a server by accessing the Internet, and the module can include a sensor and / or actuator. The module and server can utilize public key infrastructure (PKI) such as public keys to encrypt messages. The module and server can use private keys to generate digital signatures for datagrams sent and decrypt messages received. The module can internally derive pairs of private / public keys using cryptographic algorithms and a set of parameters. A server can use a shared secret key to authenticate the submission of derived public keys with an associated module identity. For the very first submission of a public key derived the module, the shared secret key can comprise a pre-shared secret key which can be loaded into the module using a pre-shared secret key code.
Owner:NETWORK 1 TECH +1
System, method, and computer program product for sharing bandwidth in a wireless personal area network or a wireless local area network
InactiveUS7110380B2Maximize battery lifeFair and power-efficientPower managementEnergy efficient ICTTime division multiple accessStart time
A system, method, and computer program product for sharing bandwidth by a plurality of devices in a wireless personal area network or a wireless local area network. A media access control protocol frame includes a beacon signal sent from a coordinator including coordination information to each of the devices of the WPAN, an optional contention access period, and a contention free period that includes an additional shared period that is managed as a slot cycle time division multiple access period, a polling period, or as management period. The coordination information includes a device-unique start time indicator and a transmission duration defining a guaranteed time slot within the contention free period of the frame for each of the networked devices. Each of the network devices sleeps while not receiving the beacon and not transmitting data during their guaranteed time slot, thereby reducing power consumption as compared to slot cycle time division multiple access or polling schemes which require listening by all devices during the contention free period.
Owner:NORTH STAR INNOVATIONS
Method and system for detecting a preferred wireless network for a mobile device
InactiveUS7171216B1Eliminates and reduces problemEliminates and reduces and disadvantageAccounting/billing servicesAssess restrictionReal-time computingWireless network
A method and system for detecting a wireless network includes receiving at a mobile device a signal having data indicative of a location of the mobile device. A determination is made whether the mobile device is within the coverage area of a specified network based on the data. The mobile device scans for the specified network in response to at least determining that it is within the coverage area of the specified network.
Owner:CISCO TECH INC
HVAC and Battery Thermal Management for a Vehicle
InactiveUS20090249807A1Maximize battery lifeLoad may varyAir-treating devicesDomestic cooling apparatusElectrical batteryEngineering
A HVAC and battery thermal system and method for a vehicle having a passenger cabin and a battery pack is disclosed. The system may comprise a refrigerant loop and a coolant loop. The refrigerant loop includes a first leg and a second leg, the first leg including an expansion device and an evaporator, and the second leg including an expansion device and a chiller. The coolant loop directs coolant through the battery pack and includes a controllable coolant routing valve, a bypass branch and a chiller branch, with the chiller in the chiller branch. The coolant routing valve has a bypass outlet that directs the coolant into the bypass branch and a chiller outlet that directs the coolant into the chiller branch. The coolant loop may also include a radiator branch and battery radiator, with the coolant routing valve including a radiator outlet that directs the coolant into the radiator branch.
Owner:GM GLOBAL TECH OPERATIONS LLC
Approach to the manufacturing of monolithic 3-dimensional high-rise integrated-circuits with vertically-stacked double-sided fully-depleted silicon-on-insulator transistors
ActiveUS20180294284A1Increase its VTLow powerTransistorSemiconductor/solid-state device detailsEngineeringHigh rise
Method to fabricate high-rise three-dimensional Integrated-Circuits (3D-ICs) is described. It has the major advantage over all the other known methods and prior arts to fabricate or manufacture 3D-ICs in that it substantially reduces RC-delays and fully eliminates or very substantially reduces the large and bulky electrically conductive Through-Silicon-VIAs in monolithic 3D integration. This enables the 3D-ICs to have faster operational speed with denser device integration.
Owner:TARAKJI AHMAD +1
SAR ADC with dynamic input scaling and offset adjustment
ActiveUS20090244014A1Maximize battery lifeLess powerAnalogue/digital conversionElectric signal transmission systemsTouchpadComputer science
An apparatus for generating an image of touch on or about a touch-sensitive surface comprising a touch panel is disclosed. The touch panel can include a plurality of touch sensors configured for detecting one or more touch events occurring at distinct locations at about the same time. Each touch event can comprise a touching of an object against the touch-sensitive surface. A plurality of receive channels can be coupled to the touch panel for generating values representative of detected touch events. The receive channels can include a charge redistribution successive approximation register digital-to-analog converter (SAR ADC) configured to convert an analog waveform into a digital representation via a binary search and outputting the digital representation to an output register. The SAR ADC architecture can be such that it the dynamic input range can be scaled and offset adjusted.
Owner:APPLE INC
Energy Cell Regenerative System For Electrically Powered Aircraft
ActiveUS20170057650A1Stable electrical outputEfficient energy conversionMechanical apparatusPower installationsElectrical batteryElectric aircraft
A system for providing regenerative power for an aircraft to sustain flight includes multiple energy cells disposed within the aircraft, the energy cells being configured to supply power to a propulsion motor and electronics of the aircraft, a fan generator harnessing propeller blast created by an aircraft propeller and converting kinetic energy of the propeller blast into electrical energy, a charger receiving the electrical energy generated by the fan generator and using the electrical energy to recharge one or more of the energy cells, and a power transfer switch selectively connecting one of the energy cells to the propulsion motor and electronics of the aircraft, such that the energy cells are rotated one at a time to power the propulsion motor and electronics. During recharging, the one or more of the energy cells are disconnected by the power transfer switch.
Owner:ELECTRONAIR
Wireless terminal dynamically programmable proxies
InactiveUS20060013235A1Web contentImprove file transfer timeInformation formatData switching by path configurationNetwork connectionTranscoding
The present invention relates to scheduling, compression and transcoding of data content for mobile terminals with limited resources. The present invention provides a method of transferring information or content to or from a terminal dependent on a number of parameters associated with the terminal. Such parameters might include its battery level, processing resource status and memory resource status, and the nature of its connection(s) to the network(s) (network performance). Thus for example a terminal with plenty of processor resources but a single narrowband wireless link may implement a high compression ratio in order to improve the file transfer time to the terminal, even if this requires a high de-compression processing overhead. Such a set-up may be changed during a connection session, for example if the battery runs low necessitating reduced processing. In preferred embodiments this method of transferring content is implemented using a programmable or dynamically adaptable proxy device which adjusts the transcoding and / or compression, as well as its scheduling or rate and timing of transfer of the transcoded / compressed information to and from the terminal over one or more network connections.
Owner:KK TOSHIBA
Load Balancing to Maximize Device Function in a Personal Area Network Device System and Method
ActiveUS20170064428A1Maximize battery lifeMaximizes experiencePower managementIntra aural earpiecesTransceiverEngineering
A system includes a first device comprising a housing, a battery disposed within the housing, an intelligent control disposed within the housing, a transceiver disposed within the housing and operatively connected to the intelligent control, and a plurality of sensors operatively connected to the intelligent control. The system further includes a second device comprising a housing, a battery disposed within the housing, an intelligent control disposed within the housing, a transceiver disposed within the housing and operatively connected to the intelligent control, and a plurality of sensors operatively connected to the intelligent control. The first device and the second device provide for balancing load by powering one or more of the biosensors in one of the first device or the second device and shifting functions to the other of the first device and the second device.
Owner:BRAGI
Method and system with adaptive data transfer policy based on a power state of a computing device
InactiveUS6938174B2Minimizes consumption of battery resourceReduce consumptionVolume/mass flow measurementPower supply for data processingDigital converterSelective transfer
The present invention pertains to a computing system having an input system with local storage interfaced with a computing device, wherein input information is transferred from the digitizer input system to the interfaced computing device based on an adaptive transfer policy that extends the battery life of the interfaced computing device. The interfaced computing device may be a PC. The digitizer input system can support automated, selective transfer policies based on the power management configuration of the PC interfaced with the digitizer input system and user-selected transfer policies.
Owner:LENOVO PC INT
Cell equalizing circuit
InactiveUS7061207B2Guaranteed maximum utilizationMaximize battery lifeCharge equalisation circuitElectric powerLithiumCharge current
An electric circuit for equalizing voltages between serially arranged cells. The circuit is operable to generate AC voltages at amplitudes dependent on the DC voltages of the received cells. The AC voltages are all connected to an inductive coupling circuit. The inductive coupling allows higher-voltage cells to induce a recharging current flow in lower voltage cells and so equalize the cell voltages. The circuit also operates to ensure that cell voltages are maintained in equilibrium during charging or discharging of received cells, irrespective of the individual charging and discharging characteristics of the cells. The circuit thus prevents individual cells in a battery from being over-charged or over-discharged and allows more efficient use of the full capacity of a battery without risking damage to the individual cells. The cell equalizing circuit is thus especially useful for rechargeable cells, such as lithium-ion cells, which are sensitive to damage by over-charging and over-discharging.
Owner:H2EYE INT
Method for Maintaining a Shipping Container Manifest
InactiveUS20090102653A1Maximize battery lifeBurglar alarm by openingVehicle locksMagnetElectromagnetic field
A system, method, and apparatus for monitoring and detecting movement of components of a shipping container latch. A latch monitor may embody an electromagnetic sensing unit and a nearby magnet or light emitter for measuring and characterizing the profile of a nearby electromagnetic field. The field profile is monitored to detect a change in the profile, log the change, and report any abnormal disturbance to the electromagnetic field, indicating a breach of the integrity of a latching mechanism on a shipping container. An alert of a breach event may be sent via a communication network to an authority for response. The invention can distinguish authorized, incidental, and tampering events, and also store and upload an electronic manifest for a shipping container.
Owner:N7 SYST
Resistive elements using carbon nanotubes
ActiveUS7365632B2Function increaseEasy parameter controlCurrent responsive resistorsSolid-state devicesBulk resistanceCarbon nanotube
Owner:NANTERO
Movement disorder therapy system, devices and methods, and intelligent methods of tuning
ActiveUS9211417B2Expand accessShorten the timeMedical simulationHead electrodesHuntingtons choreaMovement disorders
Owner:GREAT LAKES NEUROTECHNOLOGIES INC
Method and System for Detecting a Preferred Wireless Network for a Mobile Device
InactiveUS20070099632A1Eliminates and reduces problem and disadvantageMaximize utilizationAccounting/billing servicesAssess restrictionMobile deviceWireless network
Owner:CISCO TECH INC
Battery charging system and mobile and accessory devices
InactiveUS20090033277A1Maximize energy chargedMinimize timeCircuit authenticationCharge equalisation circuitBattery chargePower parameter
Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a battery charging and monitoring system is disclosed. The system includes a host machine providing a plurality of charging slots and a plurality of wireless devices coupled to and powered by a plurality of batteries. The host machine is adapted to communicate with the plurality of wireless devices through a plurality of wireless links to monitor the plurality of batteries coupled to the wireless devices. According to another embodiment, an electronic device is disclosed. The electronic device is adapted to couple with at least a rechargeable battery and to negotiate with the rechargeable battery for an agreed range of power parameters. The electronic device is further adapted to accept power from and to provide power to the rechargeable battery at the agreed range of power parameters.
Owner:APPLE INC
Integrated circuit device having power domains and partitions based on use case power optimization
ActiveUS20090201082A1Minimize leakage currentSolve the large leakage currentEnergy efficient ICTDigital data processing detailsEngineeringPower domains
A programmable SoC (system on a chip) having optimized power domains and power islands. The SoC is an integrated circuit device including a plurality of power domains, each of the power domains having a respective voltage rail to supply power to the power domain. A plurality of power islands are included within the integrated circuit device, wherein each power domain includes at least one power island. A plurality of functional blocks are included within the integrated circuit device, wherein each power island includes at least one functional block. Each functional block is configured to provide a specific device functionality. The integrated circuit device adjusts power consumption in relation to a requested device functionality by individually turning on or turning off power to a selected one or more power domains, and for each turned on power domain, individually power gating one or more power islands.
Owner:NVIDIA CORP
Vehicle automatic emergency response system
InactiveUS20050200479A1Reduce disadvantagesWell formedBelt retractorsRoad vehicles traffic controlEngineeringControl circuit
An automatic emergency response system is operable to notify an emergency center of a defined event, such as a vehicle accident. The system facilitates location of the event, by using position determining means, such as GSP, to establish its at least approximate location. A control circuit includes code generating means to generate a coded signal incorporating the position location information. An alarm signal transmitter is operable on occurrence of the defined event to transmit an alarm signal incorporating the coded signal to a receiving station, which may be a satellite, which relays the message to the emergency center, including the positional information relating to the location of the transmitter. A relative low power homing signal transmitter simultaneously transmits a homing signal either continuously or at periodic intervals.
Owner:AUSTRALIAN ARROW
Battery Management System and Method
ActiveUS20130086409A1Decrease battery material wasteExtend battery lifePower network operation systems integrationVolume/mass flow measurementBattery chargePower flow
A battery management system / method implementing optimal dynamic battery charge / discharge cycling is disclosed. The system utilizes a power source control unit (PSCU) to selectively switch a power supply source to a battery charger that charges a battery servicing a portable computing device. The PSCU is controlled by a power monitor control unit (PMCU) that monitors the battery state and determines the optimal charge / discharge profile for the battery. Depending on the type and current condition the of battery as well as battery charge / discharge history, the PMCU monitors the historical, current, and / or anticipated demand activity of the battery to determine an optimal charge / discharge profile for the battery to enable maximum battery life under a wide variety of environmental and use profiles. Present invention methods control battery charge / discharge activity based on computing device historical / anticipated use characteristics, battery chemistry, and / or optimal battery lifecycle operation.
Owner:ADVANERGY
Back-up power system
InactiveUS20080296975A1Maximize battery lifeOptimize power outputBatteries circuit arrangementsElectric powerRechargeable cellStandby power
A substantially uninterruptible backup power system to provide power to common household appliances comprises a rechargeable battery, a trickle-charging circuit to keep the battery fully charged at all times from the receptacle power, a DC to AC inverter to supply standard AC line voltage from the battery to the lamp, a relay switch, controlled by main power voltage, to switch to the backup system when main power fails, and a timing circuit to optimize a voltage output of the system based on current battery voltage and a desired time period for the voltage output. The system can be set to operate only when the appliance is turned on, which optimizes the current and power required to provide backup power to the appliance for a maximum period of time.
Owner:ELECTRIKUS
Latch Monitoring Apparatus for a Shipping Container Door
ActiveUS20090102649A1Maximize battery lifeBurglar alarm by openingVehicle locksEngineeringElectromagnetic field
A system, method, and apparatus for monitoring and detecting movement of components of a shipping container latch. A latch monitor may embody an electromagnetic sensing unit and a nearby magnet or light emitter for measuring and characterizing the profile of a nearby electromagnetic field. The field profile is monitored to detect a change in the profile, log the change, and report any abnormal disturbance to the electromagnetic field, indicating a breach of the integrity of a latching mechanism on a shipping container. An alert of a breach event may be sent via a communication network to an authority for response. The invention can distinguish authorized, incidental, and tampering events, and also store and upload an electronic manifest for a shipping container.
Owner:N7 SYST
Wireless instrumentation system and power management scheme therefore
InactiveUS7274907B1ReliablyUse minimizedActive radio relay systemsTime-division multiplexWireless transceiverTransceiver
A wireless instrumentation system enables a plurality of low power wireless transceivers to transmit measurement data from a plurality of remote station sensors to a central data station accurately and reliably. The system employs a relay based communications scheme where remote stations that cannot communicate directly with the central station due to interference, poor signal strength, etc., are instructed to communicate with other of the remote stations that act as relays to the central station. A unique power management scheme is also employed to minimize power usage at each remote station and thereby maximize battery life. Each of the remote stations preferably employs a modular design to facilitate easy reconfiguration of the stations as required.
Owner:NAT AERONAUTICS & SPACE ADMINISTATION U S GOVERMENT AS REPRESENTED BY THE ADMINISTATOR OF
Client device for cellular telephone as server
InactiveUS20100063994A1Easy to processAssure integrityMultiple digital computer combinationsDevices with bluetooth interfacesOperational systemUser input
A new class of thin client called a trans client for operation with a smart cellular telephone as its server does not contain its own user interface (UI) and operating system (OS) and has no capability to run user programs as a standalone apparatus. Its purpose and capability is to display remote content and to provide user input interface. It is built with the slowest processing and lowest power consumption possible with the lowest cost and has security features to assure integrity of operations.
Owner:CELIO TECHNOLOGY CORPORATION
Method and system for detecting a preferred wireless network for a mobile device
InactiveUS7359715B2Eliminates and reduces problem and disadvantageMaximize utilizationAccounting/billing servicesAssess restrictionMobile deviceWireless network
Owner:CISCO TECH INC
Movement disorder therapy system and methods of tuning remotely, intelligently and/or automatically
ActiveUS9238142B2Expand accessShorten the timeMechanical/radiation/invasive therapiesHead electrodesHuntingtons choreaEssential tremor
Owner:GREAT LAKES NEUROTECHNOLOGIES INC
SAR ADC with dynamic input scaling and offset adjustment
ActiveUS8035622B2Less powerReduce power consumptionAnalogue/digital conversionElectric signal transmission systemsEngineeringComputer science
Owner:APPLE INC
Energy cell regenerative system for electrically powered aircraft
ActiveUS9643729B2Increase capacityIncrease rangeMechanical apparatusPower installationsElectrical batteryElectric aircraft
A system for providing regenerative power for an aircraft to sustain flight includes multiple energy cells disposed within the aircraft, the energy cells being configured to supply power to a propulsion motor and electronics of the aircraft, a fan generator harnessing propeller blast created by an aircraft propeller and converting kinetic energy of the propeller blast into electrical energy, a charger receiving the electrical energy generated by the fan generator and using the electrical energy to recharge one or more of the energy cells, and a power transfer switch selectively connecting one of the energy cells to the propulsion motor and electronics of the aircraft, such that the energy cells are rotated one at a time to power the propulsion motor and electronics. During recharging, the one or more of the energy cells are disconnected by the power transfer switch.
Owner:ELECTRONAIR
Arrow transmitter
ActiveUS8075430B1Readily assemble and disassembleDurable and reliable constructionAmmunition projectilesThrow gamesEngineeringActuator
An arrow transmitter comprises a head assembly having an arrow having a tip. Extending from the arrow is a shaft having a neck that terminates at a threaded portion. A tubular shaft assembly defines a first shaft cavity with a first exterior wall and first and second ends. The tubular shaft assembly also comprises fletching that is fixedly mounted onto the first exterior wall and a nock mounted onto the first end. A plugged housing assembly is housed within the tubular shaft assembly. A transmitter assembly is housed within the housing assembly. A global positioning system tracking unit determines a precise location of hunted game once struck and after the transmitter assembly is activated when a force overcomes the spring force of the spring member. Thus, causing the actuator pin to make contact with the first protrusion to activate the switch that activates the transmitter assembly.
Owner:HESTER DAVID D
Power saving control system for negative pressure wound therapy pumps
ActiveUS8858517B2Guaranteed uptimeMinimize power consumptionMedical devicesIntravenous devicesControl systemEngineering
Owner:MEDU SCI
Host machines for battery charging system
InactiveUS20090033278A1Minimize downtimeReduce chargeMobile unit charging stationsElectric powerTelecommunicationsRechargeable cell
Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a host machine for recharging rechargeable batteries for wireless devices is disclosed. The host machine includes a plurality of wireless devices coupled to and powered by a first plurality of rechargeable batteries and a plurality of charging slots configured to couple with a second plurality of rechargeable batteries. The host machine is adapted to provide power to charge the second plurality of rechargeable batteries and to hold in standby a third plurality of rechargeable batteries comprising the second plurality of rechargeable batteries that have been fully charged. According to an embodiment, the host machine is further adapted to join a network of host machines and to share the batteries in standby with each other.
Owner:APPLE INC
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