Samsung Electronics Co., Ltd.

Dong Il Yang

Hyo Seok Na

Jong Hun Yoo

Ki Hyug Seong

Han Yeop Lee

Chung Jin Lee

An electronic device is disclosed. In addition, various embodiments understood through the disclosure may be possible. The electronic device includes a first antenna and a second antenna, a wireless communication circuit that is electrically connected to the first antenna and the second antenna and transmits and/or receives a signal through the first antenna and the second antenna, a switch that is electrically connected to the wireless communication circuit and is selectively connected to one of the first antenna and the second antenna, and a detection circuit that measures a magnitude of a first signal transmitted through the first antenna and a magnitude of a second signal through the second antenna, the second signal being obtained from at least a part of the first signal transmitted through the first antenna.

Wireless communication circuit for supporting antenna switching and device including same

An electronic device includes at least one processor, at least one antenna, and a wireless communication circuit electrically connected to the at least one processor and the at least one antenna. The wireless communication circuit includes a switch including a first terminal electrically connected to a path corresponding to a first frequency band, a second terminal electrically connected to a path corresponding to a second frequency band, and a third terminal selectively connected to a corresponding terminal of the first terminal and the second terminal and a filter circuit electrically connected between the third terminal and the at least one antenna and having a designated resonant frequency band. The wireless communication circuit selectively transmits a signal in one corresponding frequency band between the first frequency band and the second frequency band based on a terminal which is connected to the third terminal.

Wireless communication circuit for supporting multiple frequency bands and apparatus having the same

A push-pull type speaker device and a method of manufacturing the same are provided. The speaker device includes a frame, a permanent magnet installed within the frame using a fixing device, a first diaphragm and a second diaphragm installed in opposite end portions of the frame, a pair of electromagnets, respectively corresponding to the first and second diaphragm, each installed at a distance from the permanent magnet, and a power source driver for supplying current to the pair of electromagnets, wherein a winding direction of each electromagnet is formed such that, when current is provided from the power source driver to each of the electromagnets, the pair of electromagnets have an opposite magnetic flux direction.

Push-pull type speaker device and method of manufacturing the same

A wireless modem and noise cancellation method for the same for noise cancellation effectively cancels a noise signal induced from a device to which the wireless modem is connected. A primary antenna receives a radio signal that includes a first noise signal coming from a device to which the wireless modem is connected; a secondary antenna receives a second noise signal from the connected device; a noise signal adjuster for adjusting the second noise signal received by the secondary antenna using a correlation parameter between noise signals received by the primary antenna and the secondary antenna; and a noise remover subtracts the noise signal adjusted by the noise signal adjuster from the radio signal received by the primary antenna.

Growing community of inventors

Suwon-si, South Korea

Dong Il Yang