Patent · US Expired

Heating apparatus using electromagnetic wave

US7301132B2 · kind B2 · utility

2Cited by
6References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 7, 2005
Grant dateNov 27, 2007
Priority date
Expiry dateNov 7, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B6/763
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A heating apparatus using an electromagnetic wave is disclosed, by which cut-of performance of an electromagnetic wave is enhanced by increasing an electromagnetic wave absorption bandwidth having cut-off performance below −70 dB. The present invention includes a door provided to an open front side of a body to be opened/closed, a choke filter having a panel type choke part arranged by at least one or more rows along an edge of the door and a filter part arranged by at least one or more rows along the choke and having a plurality of slots wherein a prescribed choke part is provided to a most inner side, a glass panel attached to an inner lateral side of the door and the choke filter, and a flange part provided to an external end portion of the door along the edge of the door to lie in a same level with an inner lateral side of the glass panel.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.