公开(公告)号：US20180166895A1

公开(公告)日：2018-06-14

申请号：US15487202

申请日：2017-04-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyunseok OH ,  Myonghoon KIM ,  Kyungik LEE ,  Sewon JANG

IPC: H02J7/00

CPC classification number: H02J7/0042 ,  H02J7/0027 ,  H02J7/0047 ,  H02J7/0054 ,  H02J2007/0062

Abstract: A portable battery charger includes a rechargeable battery, a control board electrically connected with the rechargeable battery so as to control charge and discharge of the rechargeable battery, a middle case including an accommodation portion for accommodating the rechargeable battery and the control board mounted therein, a first case and a second case, which are coupled to the middle case and define the outer appearance of the portable battery charger, coupling hooks provided at a first edge and a second edge of the first case and including hook projections provided at respective ends thereof, coupling grooves formed in a first edge and a second edge of the second case so that the coupling hooks are inserted into the coupling grooves, and overflow holes formed in the coupling grooves so as to be open toward the middle case so that the hook projections are inserted into the overflow holes.

公开(公告)号：US20180367899A1

公开(公告)日：2018-12-20

申请号：US15947554

申请日：2018-04-06

Applicant: LG ELECTRONICS INC.

Inventor： Kyungik LEE ,  Jongjoo MOON ,  Jaehyun OH ,  Jaeyoung LEE

IPC: H04R5/033 ,  H04R1/10 ,  H01Q3/24

CPC classification number: H04R5/0335 ,  H01Q1/2291 ,  H01Q1/273 ,  H01Q3/24 ,  H01Q9/285 ,  H01Q9/42 ,  H01Q25/005 ,  H04R1/1041 ,  H04R2201/103 ,  H04R2201/107 ,  H04R2420/07 ,  H04R2420/09

Abstract: There is disclosed a wearable device comprising a body wearable on a user's body part; a wireless communication chipset loaded in the body and configured to transceive a signal; a divider connected with the wireless communication chipset; a first antenna connected with the divider and loaded in the body; and a second antenna connected with the divider and loaded in the body, spaced a preset distance apart from the first antenna, so that the wearable device is capable of securing wireless communication performance, regardless of the location of the other terminal communicable with the wearable device while the user is wearing the wearable device. Especially, the wireless communication performance can be improved, using the conventional wireless communication chipset, and the wearable device has the advantage of no drastic rise in unit cost, compared with the conventional product.