Image heating apparatus

Details Image heating apparatus Image heating apparatus

1998-03-02

1999-10-19

Smith, Matthew S.

Electrophotography

Image formation

Fixing

219619, 399328, G03G 1520

Patent

active

059702990

ABSTRACT:
An image heating device includes a movable member including an electroconductive layer; an excitation coil for generating magnetic flux; wherein the magnetic flux generated by the excitation coil generates an eddy current which in turn generates heat in the movable member to heat an image on a recording material; and a magnetic member for guiding the magnetic flux; wherein the magnetic member is elongated in a direction perpendicular to a movement direction of the movable member, and the excitation coil is extended in a longitudinal direction of the magnetic member; wherein the magnetic member including a first magnetic portion adjacent to the movable member, a second magnetic portion, and a third magnetic portion between the first magnetic portion and the second magnetic portion and adjacent to the movable member with the excitation coil therebetween, as seen in the longitudinal direction.

REFERENCES:
patent: 5745833 (1998-04-01), Abe et al.
patent: 5778293 (1998-07-01), Ohtsuka
patent: 5819150 (1998-10-01), Hayasaki et al.
patent: 5839043 (1998-11-01), Okabayashi et al.
patent: 5881349 (1999-03-01), Nanataki et al.

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