4966results about "Exchanging data charger" patented technology

A safety charging system for a battery-operated surgical hand includes a charging base, a battery pack, and control logic. The charging base has an RFID reader antenna disposed near a top surface of the charging base and charge circuitry for charging the battery. The battery pack has the battery used with the hand piece and an RFID tag antenna disposed near a bottom surface of the battery pack. The control logic determines if the battery should be charged based on a data point read by the RFID reader antenna.

A surgical power tool system including a cordless powered surgical tool, a battery for energizing the tool and a charger for charging the battery. The battery includes a memory. When the battery is attached to the tool, a processor integral with the tool writes data to the memory regarding the operation of the tool. When the battery is attached to the charger, the data are read out the battery memory. These data are then evaluated to determine the operational state of the tool.

A method and system for authenticating a smart battery having a smart battery and an electronic device. Both the device and the smart battery generate encrypted random strings using key material based by A / D noise bits as a seed value. A pseudo random number is generated from the A / D noise that is transmitted to both the electronic device and the smart battery. The pseudo random number is used by both devices as a key index to select one of a plurality of keys stored in separate key libraries. The keys, or key material, is used to execute an encryption algorithm. The two encryption data streams are then compared to authenticate the smart battery.

A rechargable battery with an internal microcontroller. The microcontroller contains a memory in which data regarding the environment to which the battery is exposed are stored. These data are read by a processor integral with the charger used to charge the battery. If these data indicates the battery may have been subjected to a harsh environment for an excessive period of time, the charger performs a complete state of health evaluation of the battery.

A battery pack which includes a battery pack electronic control circuit adapted to control an attached power tool and / or an attached charger. The battery pack includes additional protection circuits, methodologies and devices to protect against fault conditions within the pack, as the pack is operatively attached to and providing power to the power tool, and / or as the pack is operatively attached to and being charged by the charger.

A power reception device transmits authentication information (e.g., start code, manufacturer ID, product ID, rated power information, and resonance characteristic information) to a power transmission device before starting normal power transmission by a non-contact power transmission system. The power transmission device performs instrument authentication based on the received authentication information, and regulates the maximum transmission power is regulated to conform to a power-reception-device side rated power. The power transmission device then performs normal power transmission.

An intelligent rechargeable battery pack having a battery management system for monitoring and controlling the charging and discharging of the battery pack is described. The battery management system includes a memory for storing data related to the operation of the battery, and the battery management system is also configured to communicate the data related to the operation of the battery to other processors for analysis.

A carrier, such as a battery, that queries a memory of a charger or charging circuit, or the memory of equipment or discharging circuit powered by the battery, to determine the relative date or version of data, operating parameters and / or software on both the battery and the equipment, and either provides updated data, operating parameters and / or software to the equipment, or retrieves later dated data, operating parameters and / or software from the equipment to update the memory of the battery and / or further distribute the updated data, operating parameters and / or software to other batteries or equipment.

An intelligent rechargeable battery pack having a battery management system for monitoring and controlling the charging and discharging of the battery pack is described. The battery management system includes primary and secondary protection circuits for monitoring the charging and discharging of the battery. Individual battery cells forming the battery pack are connected by a main bus to a connector for connection to a battery charger or a device to be powered, and the main bus may be interrupted by a switch controlled by the battery management system to prevent damage to the battery during charging or discharging of the battery.

An inductively coupled power and data transmission system include a main power source, apparel having an electrical conductor in electrical communication with the main power source, the apparel having a first inductively couplable power and data transmission sub-system to regulate power to the primary coil or coils and transmission of power and data by the primary coil or coils and reception of data by the primary coil or coils, and an independent device having a second inductively couplable power and data transmission sub-system so as to regulate reception of power and data by the secondary coil or coils and transmission of data from a secondary processor by the secondary coil or coils. The first and second primary coils transfer said power and data during inductive coupling, at electromagnetic radiation frequencies, between the first primary coil or coils and the secondary coil or coils.

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.

A wireless power service panel source includes power and control circuitry that receives power from a wired power connection at a position in a service panel, and generates an electronic drive signal at a frequency, f, and a source magnetic resonator configured to generate an oscillating magnetic field in response to the electronic drive signal, wherein the source magnetic resonator is configured to wirelessly transmit power to sensors in other positions within the service panel.

A system, method and apparatus for contact-less charging of battery operated devices, including a host charger with a power converter and resonant tank circuit and a portable device where the battery is located, with a battery charging control IC, wherein the method obviates the need for a voltage controller in each of both the host and the portable stages. The charging of the battery in the portable device is controlled by a charging controller therein, which is in continual electric communication with the host, whose output power the control IC dynamically monitors and controls. In one embodiment, component count is minimized but battery charging is not optimized when the battery voltage is very low. In the other embodiment, charging efficiency is maximized regardless of the output voltage of the battery.

There is disclosed a system and method for transferring power without requiring direct electrical conductive contacts. There is provided a primary unit having a power supply and a substantially laminar charging surface having at least one conductor that generates an electromagnetic field when a current flows therethrough and having an charging area defined within a perimeter of the surface, the at least one conductor being arranged such that electromagnetic field lines generated by the at least one conductor are substantially parallel to the plane of the surface or at least subtend an angle of 45° or less to the surface within the charging area; and at least one secondary device including at least one conductor that may be wound about a core. Because the electromagnetic field is spread over the charging area and is generally parallel or near-parallel thereto, coupling with flat secondary devices such as mobile telephones and the like is significantly improved in various orientations thereof.

An ultrasound power transmitter comprising a transmit ultrasonic transducer array has a plurality of transmit ultrasonic transducers. The ultrasound power transmitter activates a set of transmit ultrasonic transducers in close proximity of an electronic device to be arranged to beam ultrasound energy to the electronic device. Alignment magnets of the ultrasound power transmitter are aligned with corresponding alignment magnets of the electronic device to manage the ultrasound beaming. The ultrasound energy may be converted into electric power to charge the battery of the electronic device. Feedbacks may be provided by the electronic device to the ultrasound power transmitter to increase power transmission efficiency. The ultrasound power transmitter may pair the electronic device with other different electronic devices utilizing ultrasonic signals. A spacer with good ultrasound power transmission properties may be located between the ultrasound power transmitter and an ultrasound power receiver of an intended electronic device to enhance power transmission.

A vehicle powering wireless receiver for use with a first electromagnetic resonator coupled to a power supply. The wireless receiver includes a load configured to power the drive system of a vehicle using electrical power, and a second electromagnetic resonator adapted to be housed upon the vehicle and configured to be coupled to the load, wherein at least one of the first electromagnetic resonator and the second electromagnetic resonator is variable in size, and wherein the second electromagnetic resonator is configured to be wirelessly coupled to the first electromagnetic resonator to provide resonant, non-radiative wireless power to the second electromagnetic resonator from the first electromagnetic resonator.

A wireless battery charging system and method includes a self-structuring antenna system for monitoring a wide area and detecting wireless devices within the area, a transceiver for establishing two-way communication with a wireless device detected within the area, and a computer for adjusting the self-structuring antenna system to focus electromagnetic energy beamed to the wireless device according to information received from the wireless device detected within the area. The wireless battery charging system and method preferably includes a charging cradle that has a self-structuring antenna system that monitors a cradle charging area and detects a wireless device in the cradle, a transceiver for establishing two-way communication with the wireless device in the cradle, and a computer for adjusting the self-structuring antenna system to focus electromagnetic near-field energy to the wireless device in the cradle according to information received from the wireless device in the cradle.

A packaged product includes a product, a product packaging at least partially covering the product, a device resonator integrated with the product packaging for receiving wireless energy from a source resonator and an electrical component coupled to the device resonator to receive the wireless energy from the device resonator.

A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.

A circuit board assembly includes a multiple layer substrate, a wireless power transmitter control module, a wireless power coil assembly, and a plurality of ICs. The wireless power transmitter control module is supported by a layer of the multiple layer substrate and the wireless power coil assembly is fabricated on an inner layer of the multiple layer substrate. The ICs are mounted on an outer layer of the multiple layer substrate, wherein an IC of the plurality of IC is aligned to substantially overlap a coil of the wireless power coil assembly and is wirelessly powered by the wireless power transmitter control module via the coil.

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.

Methods and apparatus are provided for controlling a wireless power receiver for wirelessly receiving power. A drive power for driving the wireless power receiver is received from a wireless power transmitter. A communication network is established with the wireless power transmitter. A wireless power network that is controlled by the wireless power transmitter is joined. A charge power is received from the wireless power transmitter.

A system for network-controlled charging of electric vehicles comprises charge transfer devices networked as follows: charge transfer devices and electric vehicle operators communicate via wireless communication links; charge transfer devices are connected by a local area network to a data control unit, which is connected to a server via a wide area network. The server stores consumer profiles and utility company power grid load data. A charge transfer devices comprises: an electrical receptacle for receiving an electrical connector for recharging an electric vehicle; an electric power line connecting the receptacle to a local power grid; a control device on the electric power line, for switching the receptacle on and off; a current measuring device on the electric power line, for measuring current flowing through the receptacle; a controller for operating the control device and monitoring the output from the current measuring device; a local area network transceiver connected to the controller, for connecting the controller to the data control unit; and a communication device connected to the controller, for wireless communication between the operator of the electric vehicle and the controller.

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.

The invention relates to an apparatus and a method for wireless energy and / or data transmission between a source device and at least one target device, in which apparatus and method a voltage is induced by at least one primary coil (18), on the source-device side, of at least one primary circuit in at least one secondary coil (20), on the target-device side, of at least one secondary circuit and in at least one coil of at least one resonant circuit, the resonant circuit being arranged so as to be electrically isolated from the primary circuit and from the secondary circuit.

A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.

A look-up table assists a source of logic of an apparatus in determining the power requirements of an unknown battery-powered device, so that a configurable power supply adjusts its output to provide the correct power to the device. The functions of the look-up table, in conjunction with generic templates and update-able historical information, if available, are substantially based on determining a “power signature” of the device. As a secondary function, the look-up table enables detection of battery charging activity and, when necessary, provides various means of disabling charging operations. More than one look-up table is available, and a look-up table can be located at any inter-connected device, apparatus, or power source. Inter-device communications further enhance the functionality of the look-up table, especially for collaborative data-acquisition.

Embodiments are directed to detecting and limiting power transfer to communication device, such as NFC and RFID cards. A method may include detecting one or more communication devices positioned within a wireless power transfer region of a wireless power transmitter. The method may further include limiting an amount of power transmitted by a transmitter in response to the detection.

A frequency modulation type wireless power supply and charger system includes a power supply base unit consisting of a first microprocessor, a power circuit, a power switch driver circuit, a first resonant circuit, a first coil, a detection module and a power input interface, and a wireless power supply and charge receiver unit consisting of a secondary coil, a second resonant circuit, a rectifier filter circuit, a detection and protection module, a second microprocessor, a temperature sensor, a charging module and a power output interface and adapted for receiving electrical power from the power supply base unit wirelessly for charging an external electronic device. The detection and protection module of the wireless power supply and charge receiver unit detects the supply of the electrical power, and the second microprocessor sends a feedback signal to the power supply base unit through the signal generator circuit and the second resonant circuit subject to the detection of the detection and protection module for enabling the power supply base unit to control the power switch driver circuit to regulate its output power automatically, thereby minimizing power transmission loss and the load of the internal components of the wireless power supply and charge receiver unit.