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:
Nov. 13, 2001
Filed:
Oct. 17, 2000
Yang Kyeong Kim, Inchon, KR;
Jong Gwan Ryu, Seoul, KR;
Sung Jin Han, Seoul, KR;
Wan Soo Kim, Kwangmyung, KR;
LG Electronics Inc., Seoul, KR;
Abstract
A halogen heater control apparatus of a microwave oven and a method thereof, comprises a plurality of halogen heaters which are connected to a utility AC power source, and a halogen heater switching unit. The halogen heater and incrementally alters infrared wavelengths from the halogen heater, and a microcomputer controls the operation of the halogen heater switching unit. The present invention is capable of optimum foodstuff heating and cooking by incrementally altering and controlling the infrared wavelengths from the halogen heater by controlling the utility AC power source duty cycle to the halogen heater in accordance with control signals generated by the microcomputer.