Samsung Electronics Co., Ltd.

Alexander Nikolaevich Khripkov

Anton Sergeevich Lukyanov

Won-Bin Hong

Mikhail Nikolaevich Makurin

Vladimir Yakovlevich Arkhipenkov

Gennadiy Alexandrovich Evtyushkin

Konstantin Alexandrovich Pavlov

Do-Won Kim

Artem Yurievich Nikishov

Elena Aleksandrovna Shepeleva

Gennadiy Aleksandrovich Evtyushkin

Jae-geol Cho

Young-hyun Kim

Joon-Il Kim

Nikolay Nikolayevich Olyunin

Young-Hyun Kim

Stanislav Vladimirovich Polonsky

Jae-Geol Cho

Konstantin Aleksandrovich Pavlov

Ah-young Choi

Maxim Alexeevich Vilenskii

Nikolay Nikolaevich Olyunin

Alexey Andreevich Gavron

Disclosed is a wearable device comprising: an impedance sensor for measuring an impedance signal inside a user's body; and a controller for determining the number of meals for a predetermined period and the glycemic index corresponding to each meal using the measured impedance signal and providing the user's eating habit information on the basis of the number of meals and the glycemic index.

Method for providing eating habit information and wearable device therefor

A wireless communication device is provided. The wireless communication device includes a millimeter wave antenna comprising a plurality of antenna elements, a radio frequency integrated circuit (RFIC), and a power feeding line, wherein the plurality of antenna elements are dual-type antenna elements configured to excite different polarization modes, and wherein the power feeding line allows a plurality of ports of the RFIC to individually connect to the plurality of dual-type antenna elements to excite the different polarization modes to perform beamforming. The wireless communication device and/or electronic device may be diversified according to various embodiments.

Wireless communication system including polarization-agile phased-array antenna

An antenna unit includes a dielectric substrate; a dielectric cover on the dielectric substrate; and an antenna array. The antenna array includes antenna elements arranged in the dielectric substrate and configured to form traveling waves propagating in the dielectric substrate and the dielectric cover. The antenna unit also includes at least one spatial matching element arranged in space formed inside the dielectric substrate, spatially matched with the dielectric cover, and coupled with the at least one antenna element. The spatial matching element is configured to be spatially matched with the antenna array with the dielectric cover and to reduce reflections of traveling waves propagating from the antenna array to the dielectric cover. The antenna device may be diversified.

Electronic device having antenna unit

A wireless charging system and method are provided, that are capable of simultaneously charging multiple mobile devices, providing high power transfer efficiency for multiple mobile devices located at any position and orientation, and minimizing electromagnetic radiation from a transmitting (TX) coil and a receiving (RX) coil. The method and structure reduce electromagnetic interference (EMI) radiation by shunting in-phase currents flowing in a wireless power transmitting unit (TX unit) and a wireless power receiving unit (RX unit) of a wireless charging system.

Wireless charger and wireless power receiver

A wireless communication device including an antenna device is provided. The wireless a communication device includes a housing having a conductive structure, a millimeter wave (mmWave) antenna having a plurality of antenna elements, the mmWave antenna being disposed within the housing, and a leaky-wave radiator having at least one opening formed in the conductive structure of the housing. An electromagnetic field generated by the mmWave antenna may be radiated outside of the housing of the wireless communication device through the leaky-wave radiator. The wireless communication device and/or an electronic device may be diversified according to embodiments.

Wireless communication device with leaky-wave phased array antenna

An antenna device is provided. The antenna device includes a reflector having a profile of a parabolic shape in a first cross-section cut parallel to a first direction and a profile of a hyperbolic shape in a second cross-section, the second cross-section being cut perpendicular to the first direction and crossing the first cross-section at a right angle and a radiating structure having at least one phased antenna array adapted to illuminate at least part of the reflector and to scan a beam. The edges of the profile of the parabolic shape of the first cross-section are formed to be directed toward the radiating structure. The edges of the profile of the hyperbolic shape of the reflector are formed to be directed away from the radiating structure. The antenna device may be diversified depending on various embodiments.

Antenna device including parabolic-hyperbolic reflector

A mobile communication device having a wireless power receiver and wireless communications unit, in which inductors of the communications unit and the power receiver are in close proximity to each other, is provided. The mobile communication device includes a wireless communications unit including a first inductor configured to transmit and receive data via inductive coupling, and a wireless power receiver. The wireless power receiver includes a second inductor which is disposed above the first inductor and receives power via inductive coupling, a ferrite shield disposed between the first inductor and the second inductor, and a compensator disposed between the first inductor and the ferrite shield. Compensator is adapted to compensate for variations in the inductance of the first inductor caused by the ferrite shield.

Mobile communication device with wireless communications unit and wireless power receiver

A wireless charger for an electronic device is provided, which includes one or more charge cells formed by one or more structures of transmitting inductance coils, each of the charge cells receiving an electronic device, and an electric power supply circuit of transmitting coils. The transmitting coils surround the charge cells on at least two sides, respectively, and generate a uniformly distributed magnetic field such that the magnetic fields, generated by currents in parts of the structure of the transmitting coils, are mutually subtracted out of the charge cells and summarized inside the charge cell in an area in which the electronic device for reception of energy is located.

Wireless charger for electronic device

Growing community of inventors

Lobnya, Russia

Alexander Nikolaevich Khripkov