摘要:
An inductive charger adapter element includes a housing, a coil comprising electrically conductive material, the coil contained within the housing, the coil configured to inductively couple to an external primary coil; and a connector supported on the housing, the connector coupled to the coil and configured to couple the inductive charger adapter element to a port provided on a device, the connector including a first pair of conductors for providing power and charging current to a battery in the device.
摘要:
Charging a rechargeable battery having one or more rechargeable cells includes determining a current level to apply to the battery such that the battery has a pre-determined charge that is reached within a specified period of time that is less than about 15 minutes and applying a charging current having substantially about the determined current level to the battery.
摘要:
A system for wireless energy transfer includes a circuit for wireless transmission of energy, including a first, tunable resonator circuit including a transmitter coil and a variable capacitance device connected in shunt across the transmitter coil. Also disclosed is a circuit for wireless reception of energy including a tunable second resonator circuit including a receiver coil inductively coupled to the transmitter coil and a variable capacitance device connected in shunt across the receiver coil. Also disclosed is an arrangement for wireless energy transmission and reception that foregoes the necessity for separate circuits for DC rectification at the reception end of the arrangement. Also disclosed a system for wireless energy transfer where the system includes a tunable resonator circuit embedded in a surface such as piece of furniture, counter, etc., e.g., a table.
摘要:
Disclosed is a circuit arrangement. The circuit arrangement includes a plurality of rechargeable batteries each having at least one rechargeable electrochemical cell, and current-carrying members connecting the plurality of batteries such that when the plurality of batteries are charging the plurality of batteries are in a series electrical circuit arrangement and when the plurality of batteries are discharging the plurality of batteries are in a parallel electrical circuit arrangement.
摘要:
A hybrid power supply includes a switching type DC/DC boost type converter that receives energy from a fuel cell and is arranged to deliver the energy to a rechargeable cell, set to provide a fixed output voltage that is less than the full charge voltage of the rechargeable cell. The hybrid power supply includes a circuit including a fuel cell current control that senses fuel cell current, and controls in part operation of the converter to provide constant current discharge on the fuel cell side of the hybrid power supply.
摘要:
A hybrid power supply includes a switching type DC/DC boost type converter that receives energy from a primary battery cell and is arranged to deliver the energy to a rechargeable cell, set to provide a fixed output voltage that is less than the full charge voltage of the rechargeable cell. The hybrid power supply includes a circuit including a primary battery current control that senses primary battery current, and controls in part operation of the converter to provide constant current discharge on the primary battery side of the hybrid power supply.
摘要:
Charging at least one rechargeable battery includes regulating a voltage applied to the at least one rechargeable battery by coupling a circuit between an output of a rectifier circuit and the at least one rechargeable battery, limiting the charging current to be within a first predetermined range and when a predetermined battery charging voltage is reached, dropping the charging current to be within a second predetermined range.
摘要:
An inductive charger adapter element includes a housing, a coil comprising electrically conductive material, the coil contained within the housing, the coil configured to inductively couple to an external primary coil; and a connector supported on the housing, the connector coupled to the coil and configured to couple the inductive charger adapter element to a port provided on a device, the connector including a first pair of conductors for providing power and charging current to a battery in the device.
摘要:
A hybrid power supply includes a fuel cell and an interface between the fuel cell and a fuel cartridge or external battery and a switching type DC/DC boost type converter that receives energy from the fuel cell or external battery and is arranged to deliver the energy to a rechargeable cell. The hybrid power supply also includes a fuel cell current sensor/comparator, included in a feedback control loop disposed about the DC/DC converter, which controls in part operation of the converter to provide constant current discharge on the fuel battery side of the hybrid power supply. An adapter that couples a source of AC power such as a charger to the interconnect is also disclosed.
摘要:
Disclosed is a circuit arrangement. The circuit arrangement includes a plurality of rechargeable batteries each having at least one rechargeable electrochemical cell, and current-carrying members connecting the plurality of batteries such that when the plurality of batteries are charging the plurality of batteries are in a series electrical circuit arrangement and when the plurality of batteries are discharging the plurality of batteries are in a parallel electrical circuit arrangement.