Title:
DEFROSTING SYSTEM AND METHOD OF REFRIGERATOR
Document Type and Number:
WIPO Patent Application WO/2011/122887
Kind Code:
A2
Abstract:
The present invention relates to a defrosting system of an evaporator in a refrigerator, comprising: a camera capturing a status of frost formed at the evaporator; a controller calculating a frost level value by receiving a captured image from the camera and outputting a defrosting operation control signal responsive to the calculated frost level value, wherein the camera captures the status of frost at a predetermined interval, and is turned on for pre-heat operation prior to start of image-capturing.
Inventors:
KIM, Seoyoung (20th Fl. Seoul Square 541 Namdaemunno 5-ga Jung-gu, Seoul 100-714, KR)
Application Number:
KR2011/002245
Publication Date:
October 06, 2011
Filing Date:
March 31, 2011
Export Citation:
Assignee:
LG INNOTEK CO., LTD. (20th Fl. Seoul Square 541 Namdaemunno 5-ga Jung-gu, Seoul 100-714, KR)
KIM, Seoyoung (20th Fl. Seoul Square 541 Namdaemunno 5-ga Jung-gu, Seoul 100-714, KR)
KIM, Seoyoung (20th Fl. Seoul Square 541 Namdaemunno 5-ga Jung-gu, Seoul 100-714, KR)
International Classes:
F25D29/00; F25D21/08
Attorney, Agent or Firm:
JIN, Cheon Woong et al. (4th Fl, Deuk-Young Bldg. 423-5,Dogok-dong, Gangnam-gu, Seoul 135-855, KR)
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Claims: