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:
Aug. 05, 1997
Filed:
Oct. 31, 1994
Daniel L Fowler, Kentwood, MI (US);
Greg R Pattok, Holland, MI (US);
Bruce E Tanis, Hudsonville, MI (US);
Robertshaw Controls Company, Richmond, VA (US);
Abstract
A control system for a microwave oven having a magnetron unit, a microwave oven using such a control system and methods of making the same are provided, the system being adapted to interconnect a power source to a transformer unit of the magnetron unit to operate the same, the system comprising a unit for determining the actual voltage level of said power source to be utilized at that time and being adapted to interconnect the power source to a particular tap of the transformer unit if the determined power level is above a certain value and to interconnect the power source to another tap of the transformer unit if the determined power level is below the certain value.