Abstract: A charging module comprises a power supply device and at least one adapter, wherein a first and second magnetic attraction components, which are attracted to each other, are respectively disposed to a coupling place between the adapter and the power supply device. While in use, the power supply device is electrically connected to an electronic product through the adapter. Power from the power supply device is delivered to the electronic product, and attraction of the first and second magnetic attraction components is utilized to retain the junction effect between the adapter and the power supply device. The electronic product can be separated from the power supply device by slightly imposing forces. The electronic product can be quickly taken by a user without influencing the operation of the electronic product.

Abstract: A charging system conveniently allows an electric device to be quickly disconnected and taken by a user. The charging system comprises at least one adapter unit and a power supply unit, wherein the adapter unit and the power supply unit utilize magnetic attraction to achieve a desire junction effect. It does not only form a power transmission between the power supply unit and the electronic product, but also separates the electronic product from the power supply unit by slightly imposing forces such that the electronic product can be quickly taken without influencing the operation of the electronic product.

Abstract: A chargeable battery module installed in an electric car for driving the electric car includes a compartment for containing a plurality of chargeable batteries, and circuits of each chargeable battery are connected in series or in parallel and installed between each chargeable battery and an upper casing or a lower casing of the compartment, and each chargeable battery is combined for use, and the chargeable batteries including a single chargeable battery or a module of parallelly connected chargeable batteries can be charged easily without requiring a charging protection plate, and all single batteries can be fully charged with a constant voltage to provide the best cycle life of the chargeable batteries and maintain the best battery life for the electric car.

Abstract: A rechargeable battery installation mechanism is provided and includes a box body installed with a plurality of rechargeable batteries. A circuit of cascading or parallel connecting each rechargeable battery is disposed between each rechargeable battery and an upper cover or a lower cover of the box body and is combined to each rechargeable battery while waiting for use. The mechanism utilizing the feature of rechargeable battery is that the charging of a single rechargeable battery or parallel connected rechargeable batteries is easily controlled. The rechargeable batteries then are cascaded or connected in parallel while in use. It does not need to apply a charging protection board, and the optimum circulation life of the rechargeable battery can be obtained under conditions of fully charging all rechargeable batteries and having the identical voltages.

Abstract: A power adapter conveniently allows an electric device to be quickly disconnected and taken by a user. The power adapter is to dispose a first coupling portion and a second coupling portion at a main body to respectively and electrically connect a power supply device and an electronic product such that a goal of delivering power from the power supply device to the electronic product can be achieved, wherein at least one magnetic attraction portion is disposed to an end of the main body having the first coupling portion or the second coupling portion such that junction effect between the power adapter and the power supply device or the electronic product can be retained by utilizing a magnet attraction performance from the magnetic attraction portion, and the electronic product can be quickly taken by slightly imposing force.

Abstract: A LED driving topology includes a LED array and a current source connected in series between two power inputs receiving a positive voltage and a negative voltage respectively. This topology increases the voltage difference across the LED array and hence has the capability of lighting up more serially connected LEDs, without requiring an additional boost circuit or a high voltage. In addition, the circuit of the current source can be made by a low-voltage manufacturing process.

Abstract: A power bank with a replaceable battery core includes a box and an electric power unit. The electric power unit includes one or more battery core and a power management module. A circuit protection module is disposed on a side of the battery core, and a first connecting unit is disposed between the power management module and the circuit protection module. The connecting unit is provided for connecting the power management module to the circuit protection module separately, such that the battery core can be separated from the power management module for a replacement easily when the battery core is damaged or failed.

Abstract: A flexible disposition apparatus includes a body made of a flexible material and at least one attaching element integrally formed on at least one lateral surface of the body, and the body includes a containing portion and an opening interconnected to the containing portion, such that the containing portion and the attaching element can combine at least one electronic device with a power bank, or combine at least one expansion module with an electronic device to constitute an electric connection in order to reduce the carrying volume and enhance the practicality of the apparatus.

Abstract: The present invention discloses a charger control circuit and a charger control method for controlling a charger having a transformer, the transformer including a primary winding and a secondary winding. The charger control circuit comprises: a power switch coupled to the primary winding; a switch control circuit controlling the operation of the power switch; and a detection circuit which generates a signal according to a voltage at a node between the power switch and the primary winding, and supplies the signal to the switch control circuit.

Abstract: A power bank apparatus includes a power storage unit, a first power output port and a first power input port. The power storage unit is connected to the first power input and output ports. The power bank apparatus is connected to a controller through the first power output port. The controller includes a control unit, a second power input port and a second power output port. The control unit is connected to the second power input and output ports, and the second power input port is connected to the first power output port, and the control unit is provided for controlling an output voltage value of the second power output port.

Abstract: A power bank with a replaceable battery core includes a box and an electric power unit. The electric power unit includes one or more battery core and a power management module. A circuit protection module is disposed on a side of the battery core, and a first connecting unit is disposed between the power management module and the circuit protection module. The connecting unit is provided for connecting the power management module to the circuit protection module separately, such that the battery core can be separated from the power management module for a replacement easily when the battery core is damaged or failed.

Abstract: A multifunctional power bank includes a box for installing different component modules, an electric power unit and a sound producing unit, both installed in the box, and an interface disposed on the box and connected to an external electronic device, wherein the sound producing unit is connected to the electric power unit, and the interface is connected to the electric power unit. When the power bank is connected to the electronic device through the interface, the electric power unit can exchange electric power with the electronic device, and the sound producing unit can issue a warning to users.

Abstract: A power bank apparatus includes a power storage unit, a first power output port and a first power input port. The power storage unit is connected to the first power input and output ports. The power bank apparatus is connected to a controller through the first power output port. The controller includes a control unit, a second power input port and a second power output port. The control unit is connected to the second power input and output ports, and the second power input port is connected to the first power output port, and the control unit is provided for controlling an output voltage value of the second power output port.

Abstract: A light intensity display apparatus includes a light guide module, a photosensing module, a processing module, a display module and a box for containing various components. The light guide module is provided for receiving a light source and transmitting the light source to a photosensing module. The light signal is converted into an electric signal, and the processing module receives the electric signal, determines a light intensity according to the electric signal, and transmits the light intensity to the display module for displaying the light intensity.

Abstract: The present invention discloses an inquiry system having a database, a testing module, and a memory unit built in a power bank. The testing module and the database conduct an information exchange with a computer through the memory unit, such that consumers can obtain specification and teaching content related data of the power bank by using the computer, and further perform a battery function test to the connected power bank.

Abstract: A wired mouse containing a circuit board, a connection line to connect the mouse to a PC, and a built-in mobile power module; the mobile power module being charged by the PC external source, or a second connection interface being provided to the mouse, the power source module charging any other electronic product through the second connection interface while the mouse is operating.

Abstract: The present invention discloses a charger control circuit and a charger control method for controlling a charger having a transformer, the transformer including a primary winding and a secondary winding. The charger control circuit comprises: a power switch coupled to the primary winding; a switch control circuit controlling the operation of the power switch; and a detection circuit which generates a signal according to a voltage at a node between the power switch and the primary winding, and supplies the signal to the switch control circuit.

Abstract: A LED driving topology includes a LED array and a current source connected in series between two power inputs receiving a positive voltage and a negative voltage respectively. This topology increases the voltage difference across the LED array and hence has the capability of lighting up more serially connected LEDs, without requiring an additional boost circuit or a high voltage. In addition, the circuit of the current source can be made by a low-voltage manufacturing process.

Abstract: A uniform heat conduction installation includes a reflection layer and a graphite uniform heat conduction layer with the latter provided on the lower surface of the former; certain portion of thermal energy generated by a heat source disposed on top of the reflection layer is reflected and dissipated by the reflection layer, and the remainder of the thermal energy passes through the reflection layer and is transmitted to the graphite uniform heat conduction layer for the thermal energy to be consistently spread up over the entire surface of the uniform heat conduction installation due to the inherited nature of providing uniform heat conduction effects of the graphite so to achieve better heat dissipation results due to increased area for heat diffusion.

Abstract: A heat sink for a light emitting diode includes a light emitting diode disposed on a circuit board; a through hole is provided on the circuit board corresponding to where the light emitting diode is located; a heat sink is disposed to the through hole; the heat sink is secured to the circuit board by means of the through hole to directly contact the light emitting diode; and the heat generated from the light emitting diode in operation is effectively dissipated by the heat sink.