271 results about "AC adapter" patented technology

An electrical power connection device is disclosed having a base socket, a power receiving means adapted to connect to a power source, and a plurality of socket modules. At least one socket module includes at least one electrical socket electrically interconnected with the power source. Each socket module is mechanically and adjustably engaged with at least one other socket module, whereby the device is expandable and compressible such that both small power plugs and larger AC adapters may be plugged into the electrical socket of each socket module.

An adapter for a power tool powered by a detachable battery pack which adapter includes a connector configured to detachably connect the adapter directly to the power tool, an adapter controller, at least one memory and / or storage device in communication with the adapter controller and configured to store maintenance information concerning the battery pack or to store maintenance information concerning the battery pack and the power tool, at least one communication port configured to transmit electrical communications, including said maintenance information, from the adapter controller to a controller located in the power tool and vice versa, and a transmitter configured to wirelessly transmit the maintenance information to an external device.

A handy electric nailing gun includes a firing pin, a firing spring for pushing the firing pin to drive nails into workpiece, an output gear rotatable by a motor through a transmission gear set to retract the firing pin during the first half run of each rotation cycle and to release the firing pin during the second half run of each rotation cycle, and three power switches electrically connected in series between the motor and the power source (AC adapter / rechargeable battery) for operation by the user to control the operation of the motor.

A power management topology for portable electronic devices that includes a feed-enabled AC / DC adapter that receives feedback data from a charge controller associated with the portable device. The feedback data can include battery charging current, battery voltage, or power requirements of the portable device. Using the feedback data, the external AC / DC adapter can adjust the DC output to meet the charging requirement of the battery and / or the power requirements of the portable device.

A charging method, an alternating current adaptor, a charging management device and a terminal. The alternating current adaptor comprises: a micro-USB connector for connecting to an external terminal so as to charge the external terminal; a conversion module for converting a connected alternating current into a direct current and then outputting same to the micro-USB connector as an output; increasing a voltage to a designated value after having received a boosting instruction of a control module; a changeover switch which normally connects two differential signal lines of the micro-USB connector to a resistor by default and, when the micro-USB connector is connected to the external terminal, detects whether the two differential signal lines of the micro-USB connector are in a short-circuit state, and if so, then triggers the control module and disconnects the two differential signal lines of the micro-USB connector from the resistor; and the control module for sending the boosting instruction to the conversion module after being triggered. The technical solution may realize the rapid charging of a lithium battery of a portable mobile electronic product.

A battery pack updating method updates firmware stored in internal control circuit memory via an update signal sent from a main device that supplies power. When battery pack memory is updated, an AC adapter is connected to the main device, and power is supplied to the main device from the AC adapter. The updating method transmits a charging and discharging blocking signal from the main device to the battery pack control circuit via a communication line. The charging and discharging blocking signal stops discharge from the battery pack rechargeable battery, and stops charging of the rechargeable battery. With rechargeable battery discharging and charging to and from the main device stopped by the charging and discharging blocking signal, the updating method transmits update data from the main device to the battery pack control circuit to update memory.

An electrical outlet strip is disclosed, the outlet strip comprised of a power source, such as a power cable, and a plurality of socket modules. At least one socket module includes at least one electrical socket electrically interconnected with the power source. Each socket module is mechanically and adjustably engaged with at least one other socket module, whereby the outlet strip is expandable and compressible such that both small power plugs and larger AC adapters may be plugged into the electrical socket of each socket module.