公开(公告)号：US20210134029A1

公开(公告)日：2021-05-06

申请号：US17088901

申请日：2020-11-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dohyeon KIM ,  Evgenii BAHTYN ,  Ivan DERIUGA ,  Olga RADYVONENKO ,  Vadym OSADCHYI

IPC: G06T11/20 ,  G06T7/73 ,  G06K9/00 ,  G06T3/20 ,  G06T3/40 ,  G06T7/60

Abstract: Disclosed is an electronic device including: a memory, and a processor operatively connected to the memory. The memory stores instructions which, when executed, cause the processor to: obtain handwriting data including at least one letter; align the at least one letter with a reference line to generate target handwriting data; change at least one of a position or an angle of the at least one letter to generate distorted handwriting data; obtain correction information for correcting the distorted handwriting data to correspond to the target handwriting data; and store the correction information in the memory.

公开(公告)号：US20230124638A1

公开(公告)日：2023-04-20

申请号：US17867016

申请日：2022-07-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM ,  Dohyeon KIM ,  Byunghwa PARK ,  Seho PARK ,  Wooram LEE ,  Hyungkoo CHUNG

IPC: H02J50/10 ,  H01F27/40 ,  H05K1/18

Abstract: A wireless power transmission apparatus is provided. The wireless power transmission apparatus includes an upper housing, a lower housing coupled to the upper housing, a substrate disposed between the upper housing and the lower housing, a transmit coil disposed between the upper housing and the substrate and formed by being wound in the form of rotating on the substrate, at least one temperature sensor including a pattern resistor, a resistance numerical value which varies with temperature, and a flexible printed circuit board (FPCB) on which the at least one temperature sensor is disposed. The pattern resistor is disposed on the FPCB in a pattern of being wound in a first direction from any first point on the FPCB to any second point different from the any first point on the FPCB around a central portion of the FPCB and being rewound in a second direction opposite to the first direction.

公开(公告)号：US20230051541A1

公开(公告)日：2023-02-16

申请号：US17716618

申请日：2022-04-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dohyeon KIM ,  Taewon KWAK ,  Donghyuk LEE

IPC: G06F3/041

Abstract: An electronic device is provided. The electronic device includes a display, a memory, and a processor operatively connected to the display and the memory. The processor, in response to receiving at least one touch input to the display, analyzes an input characteristic of the at least one touch input, based on the at least one touch input, generates predictive coordinate points corresponding to a plurality of different time points, respectively, and based on the input characteristic, determines a number of predictive coordinate points to be used.

公开(公告)号：US20200242825A1

公开(公告)日：2020-07-30

申请号：US16774081

申请日：2020-01-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dohyeon KIM ,  Dongki KIM

IPC: G06T11/60 ,  G06K9/00 ,  G06K9/46 ,  G06N3/08

Abstract: An electronic device and method are disclosed herein. The electronic device includes: a processor, and a memory operatively connected to the processor. The processor implements the method, including: receive an input of handwritten text including characters, set corpus line key points indicating a substantial-top positions of the characters included in the handwritten text and base line key points indicating a substantial bottom positions of the characters, calculate at least a first feature value based on at least one corpus line key point from among the corpus line key points, and a second feature value based on at least one extracted base line key point from among the base line key points, respectively, input the calculated first feature value into a first neural network to cause the first neural network to generate a first result value, input the calculated second feature value into a second neural network to cause the second neural network to generate a second result value, and input the first result value and the second result value into a fully connected neural network to generate a third result value.

公开(公告)号：US20230047559A1

公开(公告)日：2023-02-16

申请号：US17830840

申请日：2022-06-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM ,  Seho PARK ,  Hyungkoo CHUNG ,  Dohyeon KIM ,  Byunghwa PARK ,  Wooram LEE

IPC: H02J50/60 ,  H02J50/12 ,  H02J50/80 ,  H02J50/90 ,  H02J7/00

Abstract: According to an embodiment, a wireless power transmitting device may include a transmission coil, a power providing circuit, and at least one controller. The at least one controller may be configured to control the power providing circuit to apply first power to the transmission coil, identify a resonant frequency, based on a voltage measured at the transmission coil in response to the first power applied to the transmission coil, based on a difference between the identified resonant frequency and a reference frequency meeting a designated condition, identify that a foreign object is placed on a charging area of the wireless power transmitting device, and based on the difference between the identified resonant frequency and the reference frequency failing to meet the designated condition, control the power providing circuit to apply, to the transmission coil, at least one second power for performing communication with a wireless power receiving device.

公开(公告)号：US20230022349A1

公开(公告)日：2023-01-26

申请号：US17745238

申请日：2022-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dohyeon KIM

IPC: H02J50/10 ,  H01F27/28 ,  H05K1/02 ,  H05K1/16

Abstract: Provided is an antenna structure configured to wirelessly charge, the antenna structure including an insulating substrate, a coil formed on a first surface of the insulating substrate in a winding structure, the coil being wound a certain number of times in a clockwise and/or a counterclockwise direction around an axis normal to the insulating substrate, a coating layer including a first magnetic material, the coating layer being disposed adjacent to and surrounding the coil in a winding structure corresponding to the winding structure of the coil, and a shielding sheet including a second magnetic material and facing the second surface of the insulating substrate.

公开(公告)号：US20220209581A1

公开(公告)日：2022-06-30

申请号：US17583773

申请日：2022-01-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu KIM ,  Dohyeon KIM ,  Seho PARK ,  Byunghwa PARK

IPC: H02J50/12 ,  H04B5/00

Abstract: An electronic device to which a wireless charging system is applied is provided. The electronic device includes a battery, a charging circuit, and a circuit board configured to be electrically connected to the charging circuit and include a first portion and a second portion disposed adjacent to the first portion, wherein a first coil, a second coil, and a resonance coil are disposed in the first portion of the circuit board, the first coil being disposed outside the second coil, and the resonance coil being disposed inside the second coil, and wherein a third coil and a resonance capacitor are disposed in the second portion of the circuit board, the resonance capacitor being disposed inside the third coil, and the resonance coil and the resonance capacitor being electrically connected to each other to generate a designated resonance.

公开(公告)号：US20210305848A1

公开(公告)日：2021-09-30

申请号：US17198370

申请日：2021-03-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mingi SONG ,  Dohyeon KIM ,  Seho PARK ,  Wooram LEE

IPC: H02J50/40 ,  H02J50/80 ,  H02J50/12 ,  H02J50/60

Abstract: Provided are a wireless charging device and method. The wireless charging device may include: a first group of coils; a second group of coils; and a processor. The processor may be configured to: transmit a first ping signal through the first group of coils and the second group of coils; sense a change in current, voltage, and/or frequency occurring in the first group of coils and the second group of coils in response to the first ping signal to detect that an electronic device is placed on the wireless charging device; select at least one coil from the first group of coils and at least one coil from the second group of coils at which the change is sensed; transmit a second ping signal through the selected coils; and wirelessly transmit power to the electronic device by using the selected coils. Various other embodiments are also disclosed.

公开(公告)号：US20210273491A1

公开(公告)日：2021-09-02

申请号：US17178707

申请日：2021-02-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram LEE ,  Dohyeon KIM ,  Seho PARK ,  Mingi SONG

IPC: H02J50/40 ,  H02J50/12 ,  H02J50/80

Abstract: A wireless charging device is provided and includes a first inverter, a first switch electrically connected to the first inverter, a second inverter, a second switch electrically connected to the second inverter, a first coil group connected to the first inverter through the first switch, a second coil group connected to the second inverter through the second switch, and a processor operatively connected to the first inverter, the first switch, the second inverter, the second switch, the first coil group, and the second coil group. The processor detects an electronic device disposed above the wireless charging device through at least one coil in the first coil group or the second coil group, and to wirelessly transmit power to the electronic device by using one coil in the first coil group and one coil in the second coil group.

公开(公告)号：US20210042027A1

公开(公告)日：2021-02-11

申请号：US16986971

申请日：2020-08-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Donghyuk LEE ,  Taewon KWAK ,  Kyungmin KIM ,  Dohyeon KIM ,  Jungrim KIM ,  Jihoon KIM ,  Gibeyong PARK ,  Jeongwan PARK ,  Jinsu SHIN ,  Konsang LEE ,  Seungcheol LEE ,  Bongje CHO ,  Munwon CHOI ,  Seowon CHOI ,  Eunji CHOI ,  Yeunwook LIM

IPC: G06F3/0488 ,  G06F40/171 ,  G06K9/00 ,  G06K9/22

Abstract: Disclosed is an electronic device for processing a handwriting input and including a touch screen, a processor operatively connected with the touch screen, and a memory operatively connected with the processor, wherein the memory stores instructions, which when executed, cause the processor to control the electronic device to perform handwriting recognition for a first handwriting input of a user displayed on the touch screen, to convert the first handwriting input into a text, identify at least one of an attribute or characteristic of the first handwriting input, apply at least one of the identified attribute or characteristic to the converted text, and in response to a request for conversion of the first handwriting input, replace the first handwriting input into a text (herein after, a first rich text) to which the identified at least one of the attribute or characteristic has been applied.