公开(公告)号：US20220060033A1

公开(公告)日：2022-02-24

申请号：US17315807

申请日：2021-05-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangun BANG ,  Duseung OH ,  Youngsoo LEE ,  Dongjo KIM ,  Dongjoon KIM ,  Sungeun LEE ,  Jinsoo LEE ,  Woonhyung HEO

IPC: H02J7/00 ,  H02J50/10 ,  H04R1/10

Abstract: A mobile system includes a first mobile device configured to output a signal having a level less than or equal to a reference level on the basis of a charged state of a battery in the first mobile device and a second mobile device configured to receive the signal and to selectively provide power to the first mobile device on the basis of a duration time for which a level of the signal is maintained to be less than or equal to the reference level and a toggle time for which the signal is toggled.

公开(公告)号：US20230253811A1

公开(公告)日：2023-08-10

申请号：US18299377

申请日：2023-04-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangun BANG ,  Dongjo KIM ,  Jinsoo LEE ,  Woonhyung HEO ,  Dongjoon KIM ,  Sungeun LEE

IPC: H02J7/00 ,  H04B1/3827 ,  H04B3/02

CPC classification number: H02J7/0068 ,  H04B1/3827 ,  H02J7/00306 ,  H04B3/02

Abstract: A portable device includes: a modem configured to perform power line communication with a charger external to the portable device; and a charging circuit configured to, from first power provided by the charger, charge a battery and supply power to an electrical load, wherein the charging circuit is further configured to cut off the supply of the first power to the electrical load and supply second power from the battery to the electrical load.

公开(公告)号：US20230396142A1

公开(公告)日：2023-12-07

申请号：US18206280

申请日：2023-06-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minyong JUNG ,  Bongtae MIN ,  Hyoungseok OH ,  Wookwan LEE ,  Jinsoo LEE ,  Heungjun JEON

IPC: H02M1/00

CPC classification number: H02M1/0009 ,  H02M1/0025

Abstract: A device including a first switching converter configured to generate a negative supply voltage based on an input voltage; a load current sensor configured to sense a magnitude of a load current passing through a load to which the negative supply voltage is provided; and a first input current detector configured to detect a magnitude of a first input current provided to the first switching converter based on a duty cycle of the first switching converter and the magnitude of the load current.

公开(公告)号：US20230250280A1

公开(公告)日：2023-08-10

申请号：US18118453

申请日：2023-03-07

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  HANWHA COMPOUND CORPORATION

Inventor： Hangyu HWANG ,  Pranveer Singh RATHORE ,  Kyungrae KIM ,  Changyun SHIN ,  Sambong JEONG ,  Gukhyun HAN ,  Bongjoon KIM ,  Jinsoo LEE

IPC: C08L77/10 ,  C08L23/18 ,  G06F1/16

CPC classification number: C08L77/10 ,  C08L23/18 ,  G06F1/1633 ,  C08L2203/206 ,  C08L2207/20

Abstract: Polymer compositions include a recycled polyamide and an electronic device and a protective case for an electronic device including the same. The polymer composition according to various embodiments of the present disclosure may include a recycled polyamide, a new polyamide including at least one polyamide component, a glycidyl group-modified ethylene-octene-based copolymer, and an inorganic filler. In some embodiments, the recycled polyamide may include a polyamide collected from marine plastic waste.

公开(公告)号：US20220060039A1

公开(公告)日：2022-02-24

申请号：US17315823

申请日：2021-05-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangun BANG ,  Dongjo KIM ,  Jinsoo LEE ,  Woonhyung HEO ,  Dongjoon KIM ,  Sungeun LEE

IPC: H02J7/00 ,  H04B3/02 ,  H04B1/3827

Abstract: A portable device includes: a modem configured to perform power line communication with a charger external to the portable device; and a charging circuit configured to, from first power provided by the charger, charge a battery and supply power to an electrical load, wherein the charging circuit is further configured to cut off the supply of the first power to the electrical load and supply second power from the battery to the electrical load.

公开(公告)号：US20220060041A1

公开(公告)日：2022-02-24

申请号：US17315834

申请日：2021-05-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangun BANG ,  Duseung OH ,  Dongjo KIM ,  Dongjoon KIM ,  Jinsoo LEE ,  Sungkyu CHO ,  Woonhyung HEO

IPC: H02J7/00 ,  G01R31/68

Abstract: A device for detecting an attachment and detachment of a portable device according to example embodiments of the present disclosure may include a first terminal and a second terminal configured to be connected to the portable device; a pull-up circuit connected to the first terminal; a charging circuit configured to generate an output voltage for charging the portable device; and a controller configured to control the charging circuit to generate the output voltage when a voltage of the first terminal drops in a detachment state, and determine whether to transition to an attachment state based on an output current output through the first terminal during a first period in which the output voltage is generated.