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. 30, 1997
Filed:
Mar. 13, 1995
Applicant:
Inventors:
Philippe F Levy, Belmont, CA (US);
Yasuharu Fukushige, Yokohama, JP;
Assignee:
Raychem Corporation, Menlo Park, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219634 ; 219633 ; 219667 ; 1562742 ;
Abstract
A power source for induction heating of articles containing ferromagnetic particles. An arrangement including the article is exposed to an electromagnetic field at a first power level for a first predetermined period of time and, subsequently to an electromagnetic field at a second power level for a second predetermined period of time. In comparison to conventional power sources, the article may be exposed to an electromagnetic field for a longer period of time without damage.