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Wireless charging optimization utilizing an NFC module that detects
induced current and provides an indication...
Described herein are techniques related to near field coupling and wireless charging or wireless power transfer (WPT). More particularly, an induced current at...
Power receiving device and wireless power feed system
An electric field coupling type wireless power feed system including a power transmitting device and a power receiving device which is unlikely to be affected...
Secondary battery control device
A control device of a secondary battery has a current detection unit (103) that detects a charge current to the secondary battery (101) and a discharge current...
Wireless power transmitter and method of controlling the same
A method and apparatus for controlling wireless transmission to a wireless power receiver in a wireless power transmitter is provided. The method includes...
Techniques for optimizing power supply output
New power output control systems are provided that maintain optimal voltage, current, and other electrical characteristics. In some aspects of the invention, a...
Balancing discharge in parallel battery configurations
An apparatus balances a discharge in parallel battery configuration by having a battery pack (a) with a first battery system and a second battery system in...
Method and apparatus for charging a battery using multiple charging
Embodiments include a modular battery charger having a main charging source and is configured to include at least one additional charging source that can be an...
Charge devices and charge systems
A charge device is provided. The charge device includes a power storage, a transmission circuit, and a determination circuit. The power storage provides an...
Portable device charging system
An accessory device or rechargeable energy pack includes a rechargeable battery or other energy storage that is rechargeable by way of an external source....
Methods for electric bus charging to increase battery life
The invention provides for an energy storage system that has a first plurality of battery cells that each are capable of a first C-rate. The plurality of...
Charge control apparatus for vehicle
When completion of timer charge before elapse of a designated time is designated by a timer charge reservation means for allowing a user to designate a...
Optical communications between an implantable medical device and external
An improved medical device system is disclosed in which system devices communicate optically. An Implantable Medical Device (IMD) is disclosed having a hermetic...
Systems and methods for wireless power transfer
Systems and methods for enabling efficient wireless power transfer, and charging of devices and batteries, in a manner that allows freedom of placement of the...
Apparatus and method for transmitting wireless power by using resonant
coupling and system for the same
Disclosed are an apparatus and a method for charging power using a resonant coupling. The apparatus includes a transmission power converter for converting...
Systems and methods for battery management
A battery management system includes several subsystem blocks, an Energy Storage Master unit, and several battery pack systems. The Energy Storage Master may...
Battery with internal current limiter that is selectively actuated as a
function of the device to which the...
A battery including a housing that contains at least one cell, a current limiter and a control circuit. When a device is first connected to the battery, the...
Portable backup charger
A portable backup charger includes a set of batteries; a charging circuit; a charge-discharge protection circuit; multiple DC-DC voltage adjusting circuits...
Characterizing a rechargeable battery through discontinuous charging
A rechargeable battery pack is discontinuously charged in multiple discrete charging intervals. Reductions in battery pack voltage that occur during...
Multiport USB charger
A universal serial bus charging device for charging connected electronic devices is presented. The universal serial bus includes a microprocessor and a power...
Power control apparatus, method, program, and integrated circuit, and
storage battery unit
A control apparatus includes: a target value obtaining unit obtaining a total target value of power to be discharged from storage batteries; an SOH obtaining...
Active battery balancing circuit and method of balancing an electric
charge in a plurality of cells of a battery
A method and an active battery balancing circuit for balancing an electric charge in a plurality of cells of a battery that are electrically connected in series...
Systems and methods for battery balancing
A battery system includes multiple battery cells having multiple cell voltages, and a balancing module. The battery module coupled to multiple battery cells and...
Battery system including bypass electrical path and heater bypass
electrical path that connects a portion of...
A battery system is provided that can prevent overcharging during charging, and that can demonstrate appropriate charging performance and output performance of...
Power storage apparatus
A storage apparatus comprises a plurality of storage cells connected in series. Each storage cell comprises a storage element that stores a charge, a container...
System for automatically gathering battery information
A method and apparatus is provided in which a radio frequency identification (RIFD) tag is associated with the storage battery and is used in conjunction with a...
Wireless energy transfer for implantable devices
Wireless energy transfer methods and designs for implantable electronics and devices include, in at least one aspect, a device resonator configured to be...
Wireless power transmission system, and method of controlling resonance
impedance and resonance frequency of...
A wireless power transmission system, and a method for controlling a resonance impedance and a resonance frequency of the wireless power transmission system are...
System and method for connecting a converter to a utility grid
The present invention relates to a system and a method for connecting and/or interfacing a converter, such as a switched mode converter, to an electrical power...
Islanding detection apparatus for parallel distributed generation system
An islanding detection apparatus minimizes a reduction in power quality and detects islanding when distributed generations are operated in parallel. Also,...
Grid oscillation analysis method and apparatus therefor
A method for determining the contribution of a grid subsystem (12) to oscillations in grid frequency experienced by an external electrical grid (14) in an...
Hierarchic macroscopic incentivization for electric utility load balancing
A method of balancing a demand for electricity is disclosed. Consumers of the electricity are organized into a hierarchical set of nodes. A demand for a node at...
Architecture and control method for dynamically conditioning multiple DC
sources to drive an AC load
A power electronics and control architecture for powering an AC load from a multi-source power system through a single conversion stage is disclosed. A...
Electrostatic discharge protection device with power management
An electrostatic discharge (ESD) protection device to manage leakage current can, in response to a power good (PGOOD) signal, draw the gate terminal of an ESD...
Electrical socket having indicators and display for warning surge
An electrical socket is provided with a ground; a neutral; and a line. The socket further includes female contact elements electrically connected to the ground,...
Rapid shutdown solid state circuit for photovoltaic energy generation
A solid state circuit for performing rapid shutdown of a photovoltaic power generation system includes a pair of high voltage power transistors connected...
Protective circuit module for secondary battery and battery pack using the
A protective circuit module for a secondary battery is provided including a circuit board. At least one protection control circuit element for preventing...
Electric motor drive isolation circuit
An isolation circuit is coupled between motor driver half bridge circuits and an electric motor. A motor controller circuit supplies motor drive signals to the...
Generator protection element
The present disclosure is applicable to generators with low motoring power. In one embodiment, a generator protection element may include a generator monitoring...
Fast power swing unblocking method and apparatus for distance protection
in power system
The present invention discloses a fast power swing unblocking method and apparatus for a distance protection in a power system, which is able to ensure fast...
Protection circuit of communication interface
A protection circuit of a communication interface includes: a first-level protection circuit, a second-level protection circuit and a third-level protection...
Method and protective device for detecting a symmetrical short-circuit in
a multiphase electrical power supply...
A first protective device monitors a first section of a power supply network for a symmetrical short-circuit and a second protective device monitors a second...
Leakage current detection circuit, light apparatus comprising the same and
leakage current detection method
A leakage current detection circuit includes a driving voltage detection unit that detects a cut-off point of a driving voltage regulated through a driving...
Method and system for control and protection of direct current subsea
A method and a high-voltage DC (HVDC) power system are provided. The system includes a plurality of sending-end (SE) modules coupled in electrical series and...
Power supply fuse alarm circuit and alarm apparatus
The present invention provides a power supply fuse alarm circuit and an alarm apparatus, where the alarm circuit is connected to a power access module of...
Side-loading quadrant deadend clamp assembly
A clamp assembly includes a body member and a keeper. A cable groove is formed in the body member to receive a cable. The keeper has a lower surface to engage...
Recess can adapter bracket
An adapter for a recess can. The adapter includes a hangar bar having a first section slidably connected to a second section. The hangar bar has a first end...
Electrical box having sight window and mounting assembly
An electrical box and support assembly includes an electrical box and a mounting bracket. The mounting bracket has a support arm for coupling with the bottom...
Roof top junction box
A roof top junction box to protect wiring systems and a roof top from water leakages. The junction box includes a storage unit and an enclosure. A mounting...
Weather resistant flip lid cover with improved sealing arrangement
A weather resistant flip lid cover for an electrical box or connector preferably includes first and second seals. A hinge pivotally couples the flip lid cover...
Electrical outlet box acoustic seal
An electrical outlet box acoustic seal includes a seal body formed from a flexible sound suppressing material. The seal body has a front side, a rear side, and...