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Patent Searching and Data


Title:
VACUUM CLEANER CAPABLE OF POWER LINE COMMUNICATION
Document Type and Number:
WIPO Patent Application WO/2021/230446
Kind Code:
A1
Abstract:
According to an embodiment, provided is a vacuum cleaner having: a body which has a power part for supplying power, a first motor for generating a suction force and a first PCB having a first control part mounted thereon; and a nozzle which has a cleaning unit, a second motor for driving the cleaning unit and a second PCB having a second control part mounted thereon, and sucks in air comprising foreign materials by means of the suction force, wherein first power line communication from the first control part to the second control part is established by means of a voltage PWM, and second power line communication from the second control part to the first control part is established by means of a current shaping method.

Inventors:
KWON SUN KU (KR)
JUN CHA SEUNG (KR)
SHIN SUNG YONG (KR)
CHOE SE HWA (KR)
LIM DONG HYUN (KR)
Application Number:
PCT/KR2020/015766
Publication Date:
November 18, 2021
Filing Date:
November 11, 2020
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
A47L9/28; A47L9/22; H02P5/46; H02P27/04; H03K5/156; H04B3/54
Foreign References:
KR20200035734A2020-04-06
JP2008113961A2008-05-22
KR20200039348A2020-04-16
KR100798325B12008-01-28
KR20160019932A2016-02-22
Attorney, Agent or Firm:
LEE & KO IP (KR)
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