Image heating apparatus and image forming apparatus
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United States of America Patent
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Oct 30, 2018
Grant Date -
Feb 1, 2018
app pub date -
Jul 24, 2017
filing date -
Jul 28, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An image heating apparatus heats an image formed on a recording material and includes a heater having a first heat generating block and a second heat generating block adjacent to the first. A power control portion controls electrical power supplied to the first and second blocks, independently. When an entire range in which the second block is provided is a range in which the recording material passes and only a portion of a range in which the first block is provided, electrical power supplied to the first is less than that supplied to the second. The power control portion controls the power so that a ratio of the power supplied to the first block to the power supplied to the second block decreases as a recording material passing range, in the range in which the first block is provided, decreases.
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