Samsung Electro-mechanics Co., Ltd.

Wits Co., Ltd.

Hyun Keun Lim

Ki Won Chang

Jae Suk Sung

Si Hyung Kim

Chang Soo Kang

Isaac Nam

Ji Hoon Kim

Chul Gyun Park

Chang Mok Han

Sung Soo Lee

Gye Won Lee

Sung Uk Lee

Chul Wan Park

Hee Sun Han

Soon Tack Oh

Eun Young Shin

Sung Heum Park

Chang Min Han

Choon Hee Kim

Duk Won Seo

There are provided a non-contact power supply device and a non-contact power supply method, in which a short beacon is transmitted to recognize a power receiving device, a long beacon is transmitted to wake-up a communications circuit of the power receiving device, and charging power is transmitted in a contactless manner, wherein at least one of signal levels of the short beacon and signal levels of the long beacon is varied.

Non-contact power supply device and non-contact power supply method

A wireless power transmitter includes a case including a base plate and a structure disposed on the base plate; and a transmitting coil having a three-dimensional spiral shape disposed on a side surface of the structure and configured to generate a magnetic field in a direction perpendicular to the side surface of the structure.

Wireless power transmitter

A wireless power receiver includes a resonance circuit, a power receiver, and a data transmitter. The power receiver is configured to control the resonance circuit to receive wireless power. The data transmitter is configured to control the resonance circuit to transmit data.

Wireless power receiver

A non-contact type power transmitting coil may include at least one conductor pattern disposed on at least one surface of a base having a predetermined area, having a plurality of turns, and transmitting received power externally in a non-contact manner. The intervals between at least some of adjacent pattern portions of the conductor pattern in a direction from a center portion of an inner diameter of the conductor pattern to an outermost pattern portion conductor pattern may be different from one another.

Non-contact type power transmitting coil and non-contact type power supplying apparatus

A wireless power transmitter according to an exemplary embodiment in the present disclosure may include a transmitting core; a transmitting coil provided on the transmitting core and transmitting power wirelessly; and a magnetic body provided on the transmitting core and allowing a virtual line which is normal to a surface of the magnetic body to form an acute angle with the transmitting core.

A non-contact type power supply apparatus may include a power unit transmitting power to a power receiving apparatus in a non-contact type manner, a communicating unit communicating with the power receiving apparatus, and a controlling unit terminating communications with the power receiving apparatus in the case in which a communications signal level of the power receiving apparatus transmitted to the communicating unit is equal to or less than a reference signal level.

Non-contact type power supply apparatus and non-contact type power supply method

A wireless power transmitter is electromagnetically coupleable to a receiving coil of a wireless power receiver to provide power wirelessly and includes a substantially planar transmitting core. A transmitting coil has a plurality of windings and is disposed on a surface of the transmitting core. The transmitting core may extend beyond the transmitting coil in a planar direction.

Wireless charging transmitter and wireless charging system using the same

A wireless charging device may include: a sensor unit sensing an input from an external device and generating a wake-up signal; a control unit, upon receiving the wake-up signal, exiting from a sleep mode to enter an active mode, and generating an activation signal; a detection unit receiving the activation signal from the control unit to detect a mobile terminal; and a power supply unit, in the case that the detection unit detects the mobile terminal, supplying power to the mobile terminal wirelessly.

Wireless charging device and method for controlling the same

A coil device may be capable of varying the gap of a coil so that several devices may be wirelessly charged simultaneously or a single device may be wirelessly charged with concentrated power. The coil device may include: a case having a reception space and varying a charging area upon a user's selection; and a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length. A gap of the wound conductor of the coil body varies as the charging area of the case varies.

Growing community of inventors

Suwon-si, South Korea

Hyun Keun Lim