Abstract:
A battery information providing apparatus includes a short-range communication module for performing short-range communication; an information detector for detecting battery information; and a microprocessor for controlling the battery information to be transmitted by the short-range communication module.
Abstract:
An electronic device includes a housing having a first and second battery, a power management integrated circuit, a battery charging circuit, and a booster circuit. The housing also includes a first switch connected with the first battery, a second switch connected with the second battery, and a control circuit. The control circuit provides, one of a first state where the first battery is connected with the PMIC and the battery charging circuit, a second state where the first battery is connected with the booster circuit and the battery charging circuit, a third state where the first battery forms an open circuit, a fourth state where the second battery is connected with the PMIC and the battery charging circuit, a fifth state where the second battery is connected with the booster circuit and the battery charging circuit, and a sixth state where the second battery forms an open circuit.
Abstract:
An electronic device is provided. The electronic device includes a first antenna radiator operating in at least one frequency band, and at least one second antenna radiator disposed proximate to the first antenna radiator coupled to at least one radiation pattern of the first antenna radiator, and to operate as a parasitic resonator.
Abstract:
Various embodiments provide an antenna device that includes: a metal member configured to have a length that contributes to at least a part of an electronic device; a printed circuit board (PCB) configured to be feed-connected to a preset position of the metal member in order to apply the metal member as an antenna radiator; and at least one electronic component electrically connected to a position different from the feeding position of the metal member and grounded to the PCB, and provide an electronic device that includes the same. Accordingly, the antenna device is grounded to the PCB in a desired position of the metal member by using the basically provided electronic component so that it is possible to exclude a separate electrical connection member, thereby reducing the cost, increasing the use of space, enhancing the degree of freedom of the design of the antenna radiator.
Abstract:
A method for sharing, at a first electronic device, wireless power with a second electronic device is provided. The method includes performing connection with the second electronic device; obtaining power-related information of the second electronic device; determining a power state of the second electronic device based on the power-related information of the second electronic device; determining an amount of electric power to be transmitted to the second electronic device based on the power state of the second electronic device; and transmitting the electric power of the determined amount to the second electronic device. Charging is enabled anytime, anywhere, as long as there is an electronic device to share electric power, thereby increasing user convenience.
Abstract:
A battery information providing apparatus includes a short-range communication module for performing short-range communication; an information detector for detecting battery information; and a microprocessor for controlling the battery information to be transmitted by the short-range communication module.
Abstract:
Various embodiments provide an antenna device that includes: a metal member configured to have a length that contributes to at least a part of an electronic device; a printed circuit board (PCB) configured to be feed-connected to a preset position of the metal member in order to apply the metal member as an antenna radiator; and at least one electronic component electrically connected to a position different from the feeding position of the metal member and grounded to the PCB, and provide an electronic device that includes the same. Accordingly, the antenna device is grounded to the PCB in a desired position of the metal member by using the basically provided electronic component so that it is possible to exclude a separate electrical connection member, thereby reducing the cost, increasing the use of space, enhancing the degree of freedom of the design of the antenna radiator.
Abstract:
One embodiment disclosed in the present disclosure may provide an antenna device that includes: a metal member that forms at least a part of an external housing for the electronic device; a printed circuit board (PCB) coupled to a feed connector of the metal member, such that the metal member is configured to operate as an antenna radiator for the PCB; and the metal member further including at least two grounding connectors that are coupled to ground through the PCB, wherein the feed connector and the two grounding connectors are located at different positions on the metal member, and may provide an electronic device that includes the same. Accordingly, it is possible to easily design an antenna that operates in a desired frequency band, to reduce the cost, to make the exterior of the device appealing due to the advantage of design, and to maximize the efficient use of space for the design of a multiband antenna.
Abstract:
An electronic device is provided. The electronic device includes an antenna radiator configured to operate in at least one frequency band, a ground stub disposed at a coupling location in proximity to the antenna radiator, and a switching device configured to selectively ground the ground stub and a ground of a main board. Thus, the present disclosure is easily applicable without design constraints in terms of space use when the main board and the antenna radiator are separated, and simplifies the assembly and reduces the cost without a separate sub-board.
Abstract:
An electronic device includes a housing having a first and second battery, a power management integrated circuit, a battery charging circuit, and a booster circuit. The housing also includes a first switch connected with the first battery, a second switch connected with the second battery, and a control circuit. The control circuit provides, one of a first state where the first battery is connected with the PMIC and the battery charging circuit, a second state where the first battery is connected with the booster circuit and the battery charging circuit, a third state where the first battery forms an open circuit, a fourth state where the second battery is connected with the PMIC and the battery charging circuit, a fifth state where the second battery is connected with the booster circuit and the battery charging circuit, and a sixth state where the second battery forms an open circuit.