| 摘要 |
Electrophoretic migration imaging apparatus and method of the type using electrophotosensitive pigment particles are improved, e.g., as to image density and background, by providing an enlarged migration environment for the imaged electrode. In one embodiment the non-imaged electrode and pigment dispersion thereon are moved predeterminedly, in direction and rate, so as to supplant non-imaged electrode surface and dispersion presented to imaged electrode portions during each successive imaging sequence.
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