公开(公告)号：US20240171087A1

公开(公告)日：2024-05-23

申请号：US18420644

申请日：2024-01-23

Applicant: Samsung Electronics Co., Ltd.

Inventor： Myoungjin HAM ,  Jiwoong CHOI ,  Heejoon KANG ,  Byunghwan KO ,  Younghoon WOO

IPC: H02M7/217 ,  F24C7/08 ,  H05B6/06 ,  H05B6/12

CPC classification number: H02M7/2176 ,  F24C7/087 ,  H05B6/062 ,  H05B6/1236 ,  H05B2213/07

Abstract: A heating device including a high-power heating area is disclosed. In detail, the heating device includes a switch and a controller, wherein the switch is configured to connect an alternating current (AC) power source to a rectifying portion in order to provide AC power of different power phases to a plurality of rectifiers for a high-power heating area when high power is provided through the high-power heating area of the heating device and in order to provide AC power of only one AC power phase from among the different power phases to the plurality of rectifiers for the high-power heating area when low power is provided through the high-power heating area, and the controller is configured to control a switching operation of the switch according to a power level of the heating device.

公开(公告)号：US20230389132A1

公开(公告)日：2023-11-30

申请号：US18326564

申请日：2023-05-31

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaejin KIM ,  Sojeong YU ,  Taeho LEE ,  Yongwook KIM ,  Jiwoong CHOI ,  Hyunjoon CHOO

IPC: H05B1/02 ,  H05B6/06 ,  H05B6/12

CPC classification number: H05B1/0266 ,  H05B6/06 ,  H05B6/1245 ,  H05B2213/06

Abstract: A wireless power transmission apparatus for determining empty heating is provided. The wireless power transmission apparatus includes at least one processor configured to control a communication interface configured to communicate with a cooking appliance, wherein the communication interface is further configured to receive, from the cooking appliance, a temperature of a bottom surface of the cooking appliance and an internal temperature of the cooking appliance for a first time period during which a heating operation is performed and for a second time period following the first time period, during which the heating operation is stopped, and the at least one processor is further configured to stop the heating operation for the second time period, and determine whether the cooking appliance undergoes empty heating based on a relationship between the temperature of the bottom surface and the internal temperature for the second time period.

公开(公告)号：US20210195283A1

公开(公告)日：2021-06-24

申请号：US17053289

申请日：2019-03-21

Applicant: SAMSUNG ELECTRONICS CO., LTD

Inventor： Hyunsoo CHOI ,  Minsoo KIM ,  Sungjin KIM ,  Younguk KIM ,  Ilkoo KIM ,  Hyunhan KIM ,  Jiwoong CHOI

IPC: H04N21/44 ,  H04N21/4722 ,  H04N21/442 ,  H04N21/81 ,  H04N21/84

Abstract: Disclosed are a method for recognizing an image by an electronic device and a configuration of the electronic device for same. The method for recognizing an image by an electronic device of the present disclosure comprises the steps of: capturing an image of content; acquiring, form a server, content recognition information matching a recognized text by recognizing the text from a text area, if the text area is identified in the captured image, and acquiring, from the server, content recognition information matching an extracted fingerprint by extracting the fingerprint from the captured image, if the text area is not identified in the captured image; and storing at least one of the content recognition information matching the acquired text and the content recognition information matching the fingerprint.

公开(公告)号：US20200097730A1

公开(公告)日：2020-03-26

申请号：US16551124

申请日：2019-08-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minsoo KIM ,  Sungjin KIM ,  Younguk KIM ,  Jaehyun PARK ,  Jiwoong CHOI ,  Hyunsoo CHOI

IPC: G06K9/00 ,  G06K9/62 ,  H04N21/44 ,  H04N21/472 ,  H04N21/466 ,  G06N20/00

Abstract: An electronic apparatus includes a communicator circuitry, and a processor for obtaining multimedia data from an external apparatus via the communicator, identifying an object in at least one frame from among a plurality of frames included in the multimedia data, and identify a content corresponding to the identified object based on content guide information provided from a first server.

公开(公告)号：US20250119986A1

公开(公告)日：2025-04-10

申请号：US18934539

申请日：2024-11-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongjoo KANG ,  Eundae BAE ,  Namju PARK ,  Jiwoong CHOI

IPC: H05B6/06 ,  H02M1/44 ,  H02M7/48 ,  H05B6/04 ,  H05B6/12

Abstract: An induction heating device including a first burner; a first working coil for the first burner; a second burner; a second working coil for the second burner; an inverter including a plurality of switches, the plurality of switches being configured to perform switching so that a current flows through the first working coil and the second working coil; and a processor configured to control the switching by the plurality of switches so that the first working coil has a first operating frequency due to an inductance value of the first working coil and the current flowing through the first working coil, the second working coil has a second operating frequency due to an inductance value of the second working coil and the current flowing through the second working coil, and the first operating frequency differs from the second operating frequency by a predetermined frequency value or more.

公开(公告)号：US20240195223A1

公开(公告)日：2024-06-13

申请号：US18536913

申请日：2023-12-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaejin KIM ,  Dongwook KIM ,  Jiwoong CHOI ,  Heejun KANG ,  Namju PARK

IPC: H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H05B1/02 ,  H05B6/06 ,  H05B6/12

CPC classification number: H02J50/12 ,  H02J50/402 ,  H02J50/80 ,  H05B1/0266 ,  H05B6/062 ,  H05B6/1236 ,  H02J2310/14 ,  H05B2213/06

Abstract: A wireless power transmission device is provided. The wireless power transmission device includes a wireless power transmitter configured to wirelessly transmit power to a cooking appliance, a communication interface configured to establish a wireless communication connection to the cooking appliance, memory storing one or more programs including instructions and transmission frequency information for each of a plurality of cooking appliances including a load, and one or more processors, wherein instructions, when executed by the one or more processors, cause the wireless power transmission device to control the communication interface to receive identification information related to a type of the cooking appliance, determine a limited frequency corresponding to the identification information, based on the transmission frequency information, and set an operation frequency range of first power being transmitted to the cooking appliance in a low-load state in which an operation of a main load of the cooking appliance is stopped, based on the limited frequency.

公开(公告)号：US20230233020A1

公开(公告)日：2023-07-27

申请号：US18105609

申请日：2023-02-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Heejun KANG ,  Byungduck SEO ,  Jiwoong CHOI ,  Yongwook KIM ,  Hana CHOI ,  Hyunjoon CHOO

IPC: A47J36/32 ,  F24C7/08 ,  F24C15/10 ,  F24C3/12

CPC classification number: A47J36/321 ,  F24C7/082 ,  F24C15/105 ,  F24C3/124

Abstract: A wireless power transmission apparatus including at least one processor configured to drive a plurality of working coils to transmit power to drive a communication interface of a cooking appliance with which a communication connection has been released when the cooking appliance is moved from a first cooking zone; receive a first wireless communication signal including identification information from the cooking appliance, and drive the working coils to generate respectively corresponding magnetic fields according to a plurality of different power transmission patterns corresponding to a plurality of cooking zones; and output second cooking zone information through an output interface in response to receiving a second wireless communication signal including the identification information regarding the cooking appliance and information regarding the second cooking zone corresponding to one of the plurality of different power transmission patterns detected at a current location of the cooking appliance.

公开(公告)号：US20210352774A1

公开(公告)日：2021-11-11

申请号：US17284705

申请日：2019-10-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jiwoong CHOI ,  Namju PARK ,  Changsun YUN ,  Hyunkwan LEE

IPC: H05B6/06 ,  H05B6/12 ,  H05B6/04 ,  H02M7/493 ,  H02M7/5387

Abstract: A control method for a cooking apparatus is disclosed. The disclosed control method for the cooking apparatus comprises the steps of: receiving an input of an output level for a heating coil; determining a plurality of driving frequencies for a driving power on the basis of the output level; generating a driving power alternately having the plurality of determined driving frequencies; and providing the generated driving power to the heating coil.