Patent · US Expired

Fixing apparatus with resonant circuit for image forming apparatus

US6816698B2 · kind B2 · utility

4Cited by
1References
18Claims
0Family size

Assignees

Inventor

Key dates

Filing dateJun 10, 2003
Grant dateNov 9, 2004
Priority date
Expiry dateJun 10, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G15/2053
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A fixing apparatus comprising a heating roller, a coil provided in the heating roller and configured to generate a high-frequency magnetic field, and capacitors and that constitute a resonant circuit, jointly with the coil. The resonant circuit is excited, sequentially (or alternately) at a plurality of frequencies which are nearly equal to the resonance frequency of the resonant circuit.

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