US 12,456,920 B2
Active compensation device providing electromagnetic wave noise data
Jin Gook Kim, Ulsan (KR); and Sang Yeong Jeong, Ulsan (KR)
Assigned to EM CORETECH INC., Ulsan (KR); and UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), Ulsan (KR)
Appl. No. 18/548,347
Filed by EM CORETECH INC., Ulsan (KR); and UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY), Ulsan (KR)
PCT Filed Jun. 3, 2022, PCT No. PCT/KR2022/007883
§ 371(c)(1), (2) Date Aug. 30, 2023,
PCT Pub. No. WO2022/255828, PCT Pub. Date Dec. 8, 2022.
Claims priority of application No. 10-2021-0073037 (KR), filed on Jun. 4, 2021; and application No. 10-2021-0129812 (KR), filed on Sep. 30, 2021.
Prior Publication US 2024/0146186 A1, May 2, 2024
Int. Cl. H02M 1/44 (2007.01); H02M 1/00 (2007.01); H02M 1/12 (2006.01); H02M 1/14 (2006.01); H02M 1/15 (2006.01)
CPC H02M 1/44 (2013.01) [H02M 1/0009 (2021.05); H02M 1/0012 (2021.05); H02M 1/123 (2021.05); H02M 1/143 (2013.01); H02M 1/15 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An active compensation device for actively compensating for noise generated in a common mode on each of at least two high-current paths, the active compensation device comprising:
a sensing unit configured to generate an output signal corresponding to a common-mode noise signal on the high-current path;
an integrated circuit (IC) unit comprising an amplification unit configured to output an amplified signal obtained by amplifying the output signal, and a digital circuit unit configured to output noise data into which the output signal is digitally converted; and
a compensation unit configured to draw a compensation current out of the high-current path or generate a compensation voltage on the high-current path, based on the amplified signal,
wherein the noise data is provided to an external device.