Optical scanning apparatus
AssigneeRicoh Printing Systems, Ltd.
InventorsJunshin Sakamoto, Takeshi Mochizuki
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Abstract
According to an aspect of the present invention, there is provided an optical scanning apparatus including a light source, an optical unit, a first controller and a second controller. The light source emits a predetermined number of laser beams, the laser beams to be arranged in a sub-scanning direction on a recording medium. The optical unit simultaneously scans the laser beams in parallel on the recording medium. The first controller changes a dot size of the laser beams in a main scanning direction. The second controller changes the predetermined number.
Claims13
An optical scanning apparatus comprising:
- a light source that emits a predetermined number of laser beams, the laser beams to be arranged in a sub-scanning direction on a recording medium;
- an optical unit that simultaneously scans the laser beams in parallel on the recording medium;
- a first controller that changes a dot size of the laser beams in a main scanning direction;
- and
- a second controller that changes the predetermined number.
An optical scanning apparatus comprising:
- means for emitting a predetermined number of laser beams, the laser beams to be arranged in a sub-scanning direction on a recording medium;
- means for simultaneously scanning the laser beams in parallel on the recording medium;
- means for changing a dot size of the laser beams in a main scanning direction;
- and
- means for changing the predetermined number.
Dependencies are inferred from the claim text.