Electrostatic printer having an array of optical modulating grating valves
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United States of America Patent
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Feb 15, 2000
Grant Date -
N/A
app pub date -
Dec 24, 1996
filing date -
Dec 27, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An image forming apparatus includes a grating light valve (GLV) optical modulating device for modulating light projected by a monochromatic light source unit so that the light thus modulated is projected onto a photosensitive drum. This arrangement enables printing at a higher speed and high-quality printing using half tone. In the GLV optical modulator, a first GLV element row and a second GLV element row, each having a plurality of GLV elements provided at spaces, each space being smaller than a width of each GLV element, are provided parallel so that GLV elements constituting the first and second element rows are provided in a staggered manner.
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