Samsung Electro-mechanics Co., Ltd.

Wits Co., Ltd.

Hyung Wook Cho

Ki Won Chang

Jae Suk Sung

Sung Heum Park

Si Hyung Kim

Chang Mok Han

Sang Beom Lee

Sang Ho Cho

Dae Ki Lim

Chul Gyun Park

Yu Jin Lee

Chang Soo Kang

Jae Hyoung Cho

Seung Hun Ryu

Jun Seung Yi

Taek Woo Kim

Sang Hwan Cho

Hee Sun Han

Jeong Man Han

Dae Ung Ahn

Tae Heon Lee

Sun Hee Lee

Yong Jong Park

Hee Seung Kim

Sung Eun Cho

Dae Seong Jeon

Dae Kyu Lee

Jeong Seok Han

Hyeon Gil Nam

Chang Ik Kim

Hyo Jung Yoon

Tae Seok Yang

Chang Min Han

Choon Hee Kim

Dong Woo Han

A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.

Double loop antenna

An antenna module includes an insulating substrate; a first antenna wiring including a first spiral wiring disposed on the insulating substrate and having a first portion disposed adjacent to an edge of the insulating substrate, and a second spiral wiring disposed on the insulating substrate and spaced apart from the first spiral wiring; and a magnetic part disposed on one surface of the insulating substrate and disposed to overlap a second portion of the first spiral wiring that is adjacent to the second spiral wiring without overlapping the first portion of the first spiral wiring.

Antenna module and electronic device including the same

An antenna module includes a wiring part including a first antenna wiring and a second antenna wiring disposed on a substrate; and a magnetic part including a first magnetic part disposed on one surface of the wiring part and a second magnetic part disposed on the other surface of the wiring part, wherein the first magnetic part is disposed on one surface of the wiring part so as to face a portion of the first antenna wiring and a portion or the entirety of the second antenna wiring, and the second magnetic part is disposed on the other surface of the wiring part so as to face the other portion of the first antenna wiring.

Antenna module and electronic device having the same

An antenna device includes a first wiring may include a spiral shape forming an empty region therein, and a second wiring disposed inside or outside of the first wiring. The second wiring is disposed to be spaced apart from the first wiring, and includes a first ring-shaped wiring and a second ring-shaped wiring, which are concentric to each other.

Antenna device and portable terminal including the same

A coil substrate for wireless power transmission includes: an insulating substrate including a first surface and a second surface; a first wiring portion disposed on the first surface, wherein the first wiring portion includes first spiral patterns and a section in which opposing ends of each of the first spiral patterns are disposed parallel to each other; a second wiring portion disposed on the second surface and including second spiral patterns, wherein opposing ends of each of the second spiral patterns are spaced apart from each other; and conductive vias alternately connecting the first spiral patterns and the second spiral patterns to each other to form coil turns.

Coil substrate

A coil module includes a substrate; a wireless charging coil formed in a substantially central portion of the substrate positioned on both surfaces of the substrate; and a first wireless communications coil which does not directly contact the wireless charging coil and is formed in the substantially central portion of the substrate on both surfaces of the substrate, wherein, in a region of the substrate in which the wireless charging coil and the first wireless communications coil are overlapped with each other, the wireless charging coil is formed on one surface of the region and the first wireless communications coil is formed on the other surface of the region, respectively.

Coil module and wireless power receiver using the same

An apparatus for transmitting power wirelessly includes a power transmitter configured to transmit power wirelessly to an apparatus for receiving power wirelessly, and an identification information manager configured to transmit first identification information allocated to the apparatus for transmitting power wirelessly to other devices.

Apparatus and method for transmitting and receiving power wirelessly

A non-contact power transmission device includes a power transmission unit configured to contactlessly provide electric power; a controller configured to provide location information of the non-contact power transmission device; and a communications unit configured to transmit the location information and product information received from a non-contact power reception device to a server, and receive an approval to transmit electric power to the non-contact power reception device from the server.

Non-contact power transmission device and location-based service system using the same

A non-contact type power receiving apparatus, of which a voltage level of output power varies depending on a rated voltage of a battery, includes: a power receiving coil unit receiving a power in a non-contact scheme; a rectifying/multiplying unit rectifying the received power depending on controlling thereof and selectively multiplying a voltage level of the rectified power; and a controller selectively controlling a rectifying operation or a multiplying operation of the rectifying/multiplying unit to be performed depending on a selection signal.

Non-contact type power receiving apparatus

A non-contact type power transmission apparatus and method thereof, includes a control unit configured to provide assigned location information to a device. The apparatus also includes a display unit configured to display location-based service data provided to the device based on the location information.

Non-contact type power transmission apparatus and method thereof and location-based service system using the same

A wireless power receiver according to an exemplary embodiment in the present disclosure may include a resonant tank receiving a power signal and varying a resonant frequency in response to a control signal; and a determining unit determining a wireless power transmission mode on the basis of the power signal and outputting the control signal depending on a determination result.

Wireless power receiver and method for controlling the same

In a non-contact type power receiving apparatus, two power receiving coils may share a single rectifying circuit. A non-contact type power receiving apparatus may include a first power receiving coil and a second power receiving coil, and a selective rectifying unit rectifying power from one of the first and second power receiving coils which receives the power from an external power transmitting coil in a non-contact scheme.

There are provided a coil for cordless charging, which may be formed as a thin coil in spite of the presence of a plurality of coils included therein, and a cordless charging apparatus using the same. The cordless charging apparatus includes: a coil unit including coil substrates having a coil pattern and a connection substrate having one end interposed between the coil substrates and electrically connected to the coil pattern and the other end electrically connected to the outside; and a case accommodating the coil unit therein.

Growing community of inventors

Suwon-si, South Korea

Hyung Wook Cho