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11363 results about "Inductive charging" patented technology
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Inductive charging (also known as wireless charging or cordless charging) is a type of wireless charging that uses an electromagnetic field to transfer energy between two objects using electromagnetic induction, the production of electricity across a magnetic field. Inductive charging is usually done with a charging station or inductive pad. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device. It is the technology that enables smartphone wireless charging, such as the Qi wireless charging standard.
Inductive battery charger
InactiveUS7375493B2Circuit authenticationVolume/mass flow measurementElectrical batteryReceiver coil
Owner:MICROSOFT TECH LICENSING LLC
Wireless power for charging devices
ActiveUS20100194206A1Batteries circuit arrangementsTransformersWireless transmissionTransmitted power
Exemplary embodiments are directed to wireless power. A host device peripheral may comprise a wireless power charging apparatus, which may include transmit circuitry and at least one antenna coupled to the transmit circuitry. The at least one antenna may be configured to wirelessly transmit power within an associated near-field region. Additionally, the host device peripheral may be configured to couple to a host device.
Owner:QUALCOMM INC
Inductively charged battery pack
ActiveUS7375492B2Enabling user convenienceMaximizes flexibility and efficiency and safetyCircuit authenticationVolume/mass flow measurementElectrical batteryEngineering
Owner:MICROSOFT TECH LICENSING LLC
Wireless charging system
ActiveUS20100007307A1Fast chargingEliminate the unsightly messNear-field transmissionElectric powerBattery chargeEngineering
The present invention provides wireless power supply systems that wirelessly supply power to a remote device for rapidly charging a charge storage capacitor, which charges a battery with the power stored in the charge storage capacitor. This allows the remote device to be positioned near the inductive power supply for rapid charging of the charge storage capacitor and allows battery charging to continue even after the remote device is removed from the inductive power supply.
Owner:PHILIPS IP VENTURES BV
External power source for an implantable medical device having an adjustable carrier frequency and system and method related therefore
ActiveUS8140168B2Best possible efficiencyImprove energy transfer efficiencyElectrotherapyEnergy transferMedical device
Owner:MEDTRONIC INC
Battery with electronic compartment
ActiveUS8310201B1Non-electrical signal transmission systemsElectromagnetic wave systemElectrical batteryEngineering
An electronic containment battery includes a battery section and an electronic section that together form a standard battery form factor that allows insertion into conventional electronic devices. In one example, the electronic section can include Radio Frequency (RF) circuitry that enables electronic operations in the electronic containment battery to be communicated or controlled wirelessly. In another example, the electronic section can include wireless charging circuitry that enables the battery section to be wirelessly charged while the EC battery is inserted into the conventional electronic device. In yet another example, the electronic section can include the RF circuitry and the wireless charging circuitry.
Owner:MONTEREY RES LLC
Battery charging arrangement for unmanned aerial vehicle utilizing the electromagnetic field associated with utility power lines to generate power to inductively charge energy supplies
A method and apparatus for charging energy supplies in an unmanned aerial vehicle (UAV). The present invention relates to a UAV that comprises an inductive charging device that utilizes the electromagnetic field emanated by overhead / utility power lines, to charge the energy supplies. The UAV also includes a releasable latch for holding power lines to allow for the perching of the UAV on power lines during the charging process. The latch and the inductive charging device may be provided on a single device, a battery augmentation trap (BAT). The UAV may be perched in an upright orientation to allow for takeoff after the charging of energy supplies on the power line.
Owner:THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY
Wireless power from renewable energy
ActiveUS20100207572A1Near-field transmissionBatteries circuit arrangementsForms of energyMarine engineering
Exemplary embodiments are directed to wireless charging. A charging system may comprise at least one power generation system configured to convert renewable energy to another form of energy and convey the another form of energy. The charging system may further include at least one transmit antenna coupled to the at least one power generation system and configured to receive the another form of energy from the at least one power generation system. Further, the at least one transmit antenna is configured to wirelessly transmit energy to at least one other antenna positioned within an associated coupling-mode region.
Owner:QUALCOMM INC
Wireless charging system with device power compliance
ActiveUS20100171461A1Reduce power levelEnhanced power complianceTransformersElectric powerPower Management UnitEngineering
A method of controlling an inductive charging system on those occasions in which the combined power requests of a plurality of secondary devices exceed the power capacity of the power supply. The method includes at least one of (a) powering each device at a level below its requested level, (b) powering each device sequentially, and / or (c) powering each device in a repetitive pattern (e.g. time multiplexing). Also disclosed is a method of controlling an inductive charging system at least partially as a function of information received from the power management unit (PMU) of each secondary device.
Owner:PHILIPS IP VENTURES BV
Apparatus and system for providing wireless charging service
ActiveUS20120268238A1Stable wireless charging serviceEfficiently controlling charging rightCircuit authenticationElectric signal transmission systemsCommunication unitTransmitted power
A wireless charging apparatus and system according to an embodiment of the present invention provides a wireless charging service through authentication so as to efficiently control charging rights with respect to a plurality of electronic devices, which desire to receive the wireless charging service using a shared wireless charging apparatus, resulting in allowing a user to get a stable wireless charging service and proposing a new benefit creation model. The wireless charging apparatus according to an embodiment of the present invention includes a wireless communication unit configured to receive authentication result information relating to a target electronic device from a server, and a wireless charging unit configured to wirelessly transmit power to the target electronic device if the authentication result information indicates a successful authentication, wherein the wireless communication unit transmits the authentication result information to the target electronic device if the authentication result information indicates an unsuccessful authentication.
Owner:LG ELECTRONICS INC
Charging display system
ActiveUS20080258679A1Circuit monitoring/indicationDigital data processing detailsGraphicsDisplay device
A charging display system and method for operating a display system are provided with the method comprising sensing the presence of a wirelessly rechargeable device proximate to or on a surface through which a presentation area of a display can present image information; identifying a type of the wirelessly rechargeable device; obtaining device representation having features that are related to a portion of the presentation area that can be occupied by the presence of the identified type of rechargeable device; determining a position and orientation of the rechargeable device proximate to or on the surface; and segmenting the presentation area into a wirelessly rechargeable device portion and a graphic presentation portion outside of the determined of the rechargeable device portion. A wireless power signal is transmitted through the rechargeable device portion and graphic information related to the rechargeable device is displayed in the graphic presentation portion.
Owner:APPLE INC
Charging display system
In one aspect, a method is provided for operating a charging display system that is capable of wirelessly charging a rechargeable device positioned on a connector-less charging surface. In accordance with the method, the presence of a chargeable device on the charging surface is detected and the type of the chargeable device is identified. A set of interaction options based upon the identity of the chargeable device with the set, including a charging interaction option, is determined and, a displayable output signal based upon the determined set interaction options is generated. The set of interaction options is initiated based upon the detected presence of the chargeable device on the charging surface and the identified device type and, the output signal is presented on a display of the charging device.
Owner:APPLE INC
Wireless charging systems and methods
An embodiment of a system for wirelessly charging a wrist-worn device may include a radio frequency (RF) charging energy generating element, and an antenna configured to radiate the RF charging energy, the antenna comprising a first coil and a second coil, the first coil and the second coil each comprising a plurality of windings, the windings of the first coil being wound in a direction opposite the direction of the windings of the second coil. An embodiment of a wrist-worn charge-receiving device may include an antenna coil adapted to receive radio frequency (RF) charging energy, the antenna coil comprising non-uniform windings; and a rechargeable power source coupled to the antenna coil, the antenna coil adapted to provide the RF charging energy to the rechargeable power source.
Owner:QUALCOMM INC
Wireless power charging method and apparatus for electronic device
InactiveUS20110221389A1Without anxietyNear-field transmissionElectromagnetic wave systemEngineeringMode change
A bidirectional wireless charging method includes performing a mode change to a requesting electronic device if charging is necessary, requesting charging from at least one electronic device, receiving status information from the at least one electronic device that has received the charging request, selecting the electronic device based on the status information, and performing charging by receiving power supplied from the selected at least one electronic device.
Owner:SAMSUNG ELECTRONICS CO LTD
Apparatus and method for wireless charging
InactiveUS20130082651A1Interrupt being generatedElectromagnetic wave systemElectric powerElectric powerInductive charging
Methods and apparatus are provided for wireless charging. Wireless power is supplied by a wireless power supply apparatus and is received at a wireless power reception apparatus. Wireless charging is performed by the wireless power reception apparatus. It is determined whether a human body is approaching while the wireless power reception power apparatus is receiving the wireless power. The wireless charging is interrupted, when it is determined that the human body is approaching.
Owner:SAMSUNG ELECTRONICS CO LTD
Wireless battery charger via carrier frequency signal
ActiveUS20050194926A1Reduce distractionsElectric powerArrangements for several simultaneous batteriesRechargeable cellTransmitter
Apparatus and methods to wirelessly charge batteries within a radius of a power source. A power transmitter generates a power signal of specific configuration which is received by the power charger. The power charger harvests the received power signal and stores the energy contained within for the purpose of charging target battery or batteries. The typical uses of this invention are but not limited to the home, car, office, and work place. Anywhere where rechargeable batteries are used in a device where they need to be placed or physically removed from the device for recharge by conventional wired chargers, this invention provides method to prolong battery life in such a way to extend the time between a physical wired recharge or eliminate such events all together.
Owner:DISTEFANO MICHAEL VINCENT
Wireless charging apparatus and method
A wireless charging method and apparatus are provided. A non-contact wireless local communication unit performs non-contact wireless local communication for wireless charging authentication through a non-contact wireless local communication antenna. A wireless power receiver receives supply power from a wireless power transmitter by using a resonator resonating on a resonance frequency equal to that of the wireless power transmitter after the wireless charging authentication. A charging controller performs wireless charging by using the supply power received by the wireless power receiver. One or more switches switch between a connection between the non-contact wireless local communication antenna and the non-contact wireless local communication unit, and a connection between the wireless power receiver and the charging controller.
Owner:SAMSUNG ELECTRONICS CO LTD
Remote power charging of electronic devices
Owner:PATRICK NUNALLY
Wireless interrogation and wireless charging of electronic devices
ActiveUS20140266025A1Circuit monitoring/indicationElectric powerElectric power transmissionWireless transmission
A system that incorporates teachings of the subject disclosure may include, for example, wireless chargers combined with wireless interrogators. The wireless chargers can transmit power wirelessly, while also wirelessly interrogating a nearby transponder, such as an RFID tag. The wireless chargers with wireless interrogators can also be programmable to allow user-implemented rules operable in response to an interrogation. Such rules can impose restrictions upon whether wireless charging is allowed to take place. Such rules can also be used to select a power-transmitting protocol that is particularly suited for the electronic device being charged. Other embodiments are disclosed.
Owner:POWER FORWARD
Wireless power transmission apparatus and wireless power transmission method
ActiveUS20160336804A1Minimize power consumptionEfficiently sensedNear-field transmissionBatteries circuit arrangementsElectric power transmissionTransmitted power
Owner:WILUS INST OF STANDARDS & TECH
Wireless power transmission system
ActiveUS8446248B2Near-field transmissionElectric signal transmission systemsElectric power transmissionElectrical battery
Owner:OSSIA
Apparatus for wireless device charging using radio frequency (RF) energy and device to be wirelessly charged
An apparatus for wireless charging using radio frequency (RF) energy includes a first charger portion having first and second charging areas. The first and second charging areas are located in a common plane, each having at least one coil for wirelessly charging a charge-receiving device placed in proximity thereto. The coils include respective windings, which are wound in opposing directions, each coil being connected in series, each coil configured to charge at least one charge-receiving device. A second charger portion has a third charging area having at least one coil including a winding for wirelessly charging a charge-receiving device placed in proximity to the third charging area, the coil in the third charging area being connected in series with the coils in the first and second charging areas, the third charging area located in a plane that is orthogonal to the plane of the first and second charging areas.
Owner:QUALCOMM INC
Transmitting antenna and transmitter for wireless power charging
InactiveUS20140184155A1Low efficiencyReduce the burden onBatteries circuit arrangementsTransformersTransmitted powerEngineering
The present invention has been made in an effort to overcome the disadvantage that a user has to consciously adjust the positions of a wireless power transmitter and a wireless power receiver. The transmitting antenna for wireless power charging, which wirelessly transmits power to charge a device, includes a first antenna coil section for producing a magnetic field in a first direction, and a second antenna coil section for producing a magnetic field in a second direction. Accordingly, the three-dimensional transmitting antenna can minimize decreases in efficiency caused by the position and direction of the receiver and maximize reception efficiency at a particular point or within a particular range.
Owner:KOREA ELECTRONICS TECH INST
Charging system and charging method thereof
InactiveUS20110279226A1Reduce personnel costsFast powerCircuit authenticationElectric signal transmission systemsEngineeringCommunication device
A charging system and the charging method are provided. The charging system comprises a charging unit and a rechargeable unit. The rechargeable unit includes a first wireless communication apparatus and a first wireless charging module. The charging unit includes a second wireless communication apparatus, a second wireless charging module and a processing module. The charging method comprises the steps of: transmitting an authentication code and a charging signal to the second wireless communication apparatus by the first wireless communication apparatus; verifying the authentication code by the processing module after receiving the authentication code and the charging signal from the second wireless communication apparatus; charging the first wireless charging module via wireless charging by the second wireless charging module controlled by the processing module when the authentication code is verified.
Owner:TOPCO SCI
Intelligent wireless power charging system
ActiveUS20090312046A1Maintain powerFull powerCircuit monitoring/indicationElectromagnetic wave systemAC powerMaintaining power
A system and methodology for intelligent power management of wirelessly networked devices. The system provides for reliable wireless communication via a wireless power charging method and, a method to maintain power capacity of batteries in a wireless device. The batteries are charged via an RF harvesting unit embedded inside the wireless device. An intelligent wireless power charging system further comprises at least two batteries and at least two RF adaptor devices coupled to an AC power line. The first adaptor is set for data communication while the second adaptor is used to transmit the power. In addition, when a first battery is in use during active mode, the second battery is subjected to wireless charging.
Owner:IBM CORP
Method of Handling Wireless Charging Authentication
A method of handling wireless charging authentication for an electronic device of a wireless charging system includes sending a first message to a controller of the wireless charging system to notify the controller that an authentication is required by a wireless charger of the wireless charging system; receiving a second message including authentication information from the controller; and sending a third message including the authentication information to the wireless charger, in order to satisfy the authentication.
Owner:HTC CORP
Method and system for wireless charging in a portable terminal
ActiveUS20120249051A1Circuit authenticationCircuit monitoring/indicationRadio frequencyInductive charging
A method for wirelessly charging a portable terminal using a Radio Frequency (RF) is provided. A charging system detects one or more portable terminals within a predetermined area, and preferably requests information needed for charging to the one or more portable terminals via short-range communication, receives the information in response needed for charging from each of the one or more portable terminals. A portable terminal to be wirelessly charged from among the one or more portable terminals is selected, based on the received information needed for charging, and the charging system transmits a predetermined RF for charging to the selected portable terminal.
Owner:SAMSUNG ELECTRONICS CO LTD
Method and apparatus for efficiency compliance in wireless charging systems
A method and system for efficiency compliance in a wireless battery charging system includes a wireless power source that provides a wireless charging power signal to devices in proximity to the wireless power source. The devices have a receiving coil to receive electrical energy from the wireless charging power signal, and they communicate battery charging metrics to the wireless power source. The wireless power source uses the battery charging metrics to determine a predicted system efficiency to charge the devices over a period of time, and when the predicted efficiency is below an efficiency standard, the wireless power source undertakes an action to improve system efficiency.
Owner:MOTOROLA SOLUTIONS INC
Implantable device and system and method for wireless communication
A wireless communication method and protocol, and wireless devices and systems for stimulation, are provided for communication between a wireless device and a charging device. During active wireless charging, communications (data transmission) from the wireless device to the charging device occurs via pulse loading the receive antenna of the receiving device. Because switching regulation in the receiving device may interfere with the communications, the switching regulation is disabled during a communications window. To further reduce the likelihood of misinterpretation of signals detected in the charging device resulting from the switching regulation or noise, the data bit rate of the pulse loading communications is maintained higher than the switching regulation frequency.
Owner:ADVANCED NEUROMODULATION SYST INC
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