13 patents
Utility
Air-pocket prevention PCB, air-pocket prevention PCB module, electrical device including the same, and manufacturing method of electrical device including the same
21 Nov 23
The present invention relates to an electrical device including a printed circuit board (PCB) accommodated in a case, and more particularly, to an air-pocket prevention PCB, an air-pocket prevention PCB module, an electrical device including the same, and a manufacturing method of an electrical device including the same with improved fluidity of a resin material so that air pockets that may occur when the case is filled with the resin material are easily discharged and the resin material may be evenly filled inside the case.
Jun Kyu Lee, Jeong Man Han, Su Young Kim, Yong Woo Kang, Sang Keun Ji, Dong Kyun Ryu
Filed: 13 Oct 21
Utility
Peg hook label apparatus
17 Oct 23
A peg hook label apparatus includes a body provided with an electronic display unit displaying product information, and a holder provided on one end of the body and configured to have a first width in a portion connected to the body, the first width being greater than a second width of a locking hook disposed on an end portion thereof.
Hyun Hun Cho, Yong Bum Lim, Mi Deum Choi, Sang Baek Park
Filed: 2 Aug 21
Utility
Transformer
10 Oct 23
A transformer includes: an upper primary substrate (110) which is formed by stacking a plurality of dielectric substrates, each substrate being provided with spiral conductive patterns; a lower secondary substrate (120) which is formed by stacking a plurality of dielectric substrates, each substrate being provided with spiral conductive patterns, in which the lower secondary substrate is positioned below the upper primary substrate (110) in such a way that the lower secondary substrate comes into contact with the upper primary substrate (110) or is spaced apart from the upper primary substrate (110); and a secondary coil element (200) of a planar shape to produce an induced current by a current applied to the upper primary substrate (110) and the lower primary substrate (120).
Eun Sik Kim, Jun Kyu Lee, Changyong Kwon, Dong-kyun Ryu, Sang-keun Ji, Taeksoo Han, Jung Soo Lee
Filed: 27 Nov 19
Utility
Electronic label management apparatus and method
18 Jul 23
Disclosed is computing technology for managing information display of an electronic label which is connected to a management server via a network and displays electronic information.
Bo Il Seo, Hyun Suk Lee
Filed: 10 Jun 20
Utility
Electronic shelf label and method of controlling information display of the same
23 May 23
Provided is a computing technology for controlling information display of an electronic shelf label that is connected to a management server via a network and displays electronic information.
Han Jin Cho, Hyun Hun Cho, Se Uk Jeon, Jeong Ho Yoo
Filed: 19 Jun 20
Utility
Board coupling structure with separate power supply circuit board
16 May 23
Provided is a board coupling structure in which a power supply circuit board is formed as a separate board, more specifically, to a board coupling structure in which a signal processing circuit board for processing signals such as image signals, voice signals, and the like and a power supply circuit board are formed as different types of boards and the different types of boards are laterally coupled to each other.
Chang Min Seo
Filed: 9 Dec 21
Utility
Charger having heat insulating structure
14 Mar 23
A charger having a heat insulating structure is provided.
HyunSu Kim, JunKyu Lee
Filed: 27 Jan 20
Utility
Lighting device and controlling method thereof
6 Dec 22
Disclosed is a lighting device.
Jurae Kim, Euiseok Kim, Semi Lee
Filed: 17 May 21
Utility
Lighting device and controlling method thereof
15 Nov 22
A lighting device is disclosed.
Jurae Kim, Jeonggye Lim, Eunji Kim
Filed: 17 May 21
Utility
Printed circuit board assembly
13 Sep 22
A PCB assembly includes a second PCB disposed adjacent to a first PCB and have a second hole facing a first hole, an upper plate disposed at an upper of the first and second hole and have a third hole disposed at the upper of the first hole and a fourth hole disposed at the upper of the second hole, a holder disposed at a lower of the first and second hole and have a lower plate having a fifth hole disposed at the lower of the first hole and a sixth hole disposed at the lower of the second hole, a first fixing screw penetrating through the third first, and fifth hole, and a second fixing screw penetrating through the fourth, second and sixth hole, and the lower plate includes a protrusion penetrating through the second PCB coupling the first PCB and the second PCB.
Chang Min Seo, Yong Jae Kim, Dae Hyun Jang
Filed: 23 Mar 21
Utility
Electronic device for determining location information of external device
15 Mar 22
The disclosure relates to an electronic device, which is secured at a designated location, for determining a location area or a location area change of a movable external electronic device or, and an operating method thereof.
Jungho Ahn, Hyunsuk Lee
Filed: 19 Jun 20
Utility
Board coupling structure with separate power supply circuit board
1 Feb 22
Provided is a board coupling structure in which a power supply circuit board is formed as a separate board, more specifically, to a board coupling structure in which a signal processing circuit board for processing signals such as image signals, voice signals, and the like and a power supply circuit board are formed as different types of boards and the different types of boards are laterally coupled to each other.
Chang Min Seo
Filed: 4 May 20
Utility
System and method of controlling dead time of converter
11 Jan 22
Provided is a system of varying a dead time of a converter, including a converter including a plurality of semiconductor switches to which a dead time is applied during an alternate switching operation; and a controller controlling ON/OFF of the plurality of semiconductor switches and setting the dead time, wherein the controller varies the dead time during an operation of the converter.
Sang Keun Ji, Dong Kyun Ryu
Filed: 7 Feb 20
- Prev
- 1
- Next
Patents are sorted by USPTO publication date, most recent first