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:
Sep. 01, 1998
Filed:
Sep. 14, 1995
Applicant:
Inventor:
Jun Bae Park, Changwan-shi, KR;
Assignee:
Electronics Inc., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D / ;
U.S. Cl.
CPC ...
62154 ; 62140 ;
Abstract
A defroster for an indirect-freezing refrigerator is disclosed including a fan motor for circulating freezing air; a light passing hole for engagingly rotating with the rotation axis of the fan motor; a photointerrupt light emitting portion for emitting light toward the light passing hole of the rotation means; a photointerrupt light receiving portion for outputting a corresponding period, whether the emitted light passes through the hole or not; a defrosting heater for removing frost formed; and a microcomputer for receiving a signal varying with the variation of rotation number from the rotation number measuring means, thereby controlling the defrosting heater.