The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 30, 1999
Filed:
Nov. 20, 1997
Gihyeong Lee, Seoul, KR;
Chiseong Oh, Suwon, KR;
Samsung Electronics Co., Ltd., Suwon, KR;
Abstract
A defrost control method and apparatus for a refrigerator having a defrosting heater for defrosting the evaporator. The method classifies a plurality of operating condition cases based on outside temperature of the cabinet and door opening number. Each of the operating condition cases has a predetermined severity factor. It is obtained a frosting weight for the unit time interval by multiplying a compressor operating time with the severity factor of the operating condition case. The frosting weights for a plurality of the unit time interval are accumulated and a defrosting operation is performed when the accumulated frosting weight exceeds a predetermined value.