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US 7,038,706 B1Granted
Optical write apparatus including a plurality of substrates
AssigneeRicoh Company, Ltd.
InventorTakayuki Hiyoshi
Life of this patent
Estimating the term…
Abstract
An optical write apparatus includes a plurality of substrates each having a large number of light emitting diodes aligned in one direction. Every two adjacent substrates are shifted from each other in the aligning direction of the light emitting diodes, and are fixed to each other directly or via a connecting member.
Claims31
An optical write apparatus comprising:
- a plurality of substrates each having a number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes to overlap in a direction disposed at an angle to the aligning direction of the light emitting diodes,
- wherein two substrates adjacent to each other in the aligning direction of the light emitting diodes are directly fixed to each other.
An optical write apparatus comprising:
- a plurality of substrates each having a large number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes;
- and
- auxiliary members interposed between the substrate adjacent in the aligning direction of the light emitting diodes,
- wherein fixed points between the auxiliary members and the substrates are aligned in a line that is perpendicular to the aligning direction of the light emitting diodes.
1 more element
An optical write apparatus comprising:
- a plurality of substrates each having a number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes to overlap in a direction disposed at an angle to the aligning direction of the light emitting diodes,
- wherein two substrates adjacent to each other in the aligning direction of the light emitting diodes are fixed to each other, and
- wherein one or more fixed points between the substrates adjacent to each other in the aligning direction of the light emitting diodes correspond to write dot switching points on the substrates.
An optical write apparatus comprising:
- a plurality of substrates each having a large number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes, wherein two substrates adjacent to each other in the aligning direction of the light emitting diodes are directly fixed to each other;
- and
- an array position adjusting unit that adjusts relative positions of the substrates adjacent to each other in the aligning direction of the light emitting diodes.
An optical write apparatus comprising:
- a plurality of substrates each having a large number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes, wherein two substrates adjacent to each other in the aligning direction of the light emitting diodes are fixed to each other;
- and
- an array position adjusting unit that adjusts relative positions of the substrates adjacent to each other in the aligning direction of the light emitting diodes, wherein:
- the array position adjusting unit connects a pair of connecting members adjacent to each other in the aligning direction of the light emitting diodes via an adjusting screw;
- one of the pair of connecting members is fixed to one of the adjacent substrate and the adjacent light emitting diode array unit;
- and
- the other one of the pair of connecting members is fixed to the other one of the adjacent substrate and the adjacent light emitting diode array unit.
4 more elements
An optical write apparatus comprising:
- a plurality of substrates each having a large number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes, wherein two substrates adjacent to each other in the aligning direction of the light emitting diodes are fixed to each other;
- and
- a focusing unit that displaces a first substrate of two adjacent substrates with respect to a second substrate of the two adjacent substrates in a focusing direction that is equivalent to a thickness direction of the second substrate.
An optical write apparatus comprising:
- a plurality of substrates each having a large number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes, wherein two substrates adjacent to each other in the aligning direction of the light emitting diodes are fixed to each other;
- and
- a vertical direction adjusting unit that moves one of the two substrates adjacent to each other in the aligning direction of the light emitting diodes with respect to the other one of the two adjacent substrates, so that light emitted from the light emitting diodes on the moved substrate is adjusted in a vertical direction in which the light emitted from the light emitting diodes on the moved substrate moves toward and away from light emitted from the light emitting diodes on the other substrate.
An image forming apparatus comprising:
- a photosensitive member that is uniformly charged;
- and
- an optical write apparatus that irradiates the photosensitive member so as to form a latent image to be turned into a visible image,
- wherein:
- the optical write apparatus comprises a plurality of substrates each having a great number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from one another in the aligning direction of the light emitting diodes, and, among the plurality of substrates, every two substrates adjacent to each other in the aligning direction of the light emitting diode being directly fixed to each other.
2 more elements
A method of positioning an optical write apparatus to be attached to an image forming apparatus, the optical write apparatus comprising a plurality of substrates each having a great number of light emitting diodes aligned in one direction, the substrates being shifted from one another in a horizontal direction, the method comprising the steps of:
- displacing the optical write apparatus from an image forming apparatus, so that one of two substrates adjacent to each other in the horizontal direction is positioned in a focusing direction that corresponds to the thickness direction of the substrate;
- and
- displacing the other one of the adjacent substrates from the optical write apparatus, so that the other one of the adjacent substrates is positioned in the focusing direction that corresponds to the thickness direction of the substrate.
An optical write apparatus comprising:
- a plurality of substrates each having a number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes to overlap in a direction disposed at an angle to the aligning direction of the light emitting diodes, and
- an auxiliary member interposed between only two substrates,
- wherein two substrates adjacent to each other in the aligning direction of the light emitting diodes are fixed to each other, and connected by the auxiliary member.
An optical write apparatus comprising:
- a plurality of substrates each having a large number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from each other in the aligning direction of the light emitting diodes;
- an auxiliary member interposed between only two substrates, wherein the two substrates adjacent to each other in the aligning direction of the light emitting diodes are fixed to each other, and connected by the auxiliary member;
- and
- an array position adjusting unit that adjusts relative positions of the substrates adjacent to each other in the aligning direction of the light emitting diodes.
1 more element
An image forming apparatus comprising:
- a photosensitive member that is uniformly charged;
- and
- an optical write apparatus that irradiates the photosensitive member so as to form a latent image to be turned into a visible image,
- wherein:
- the optical write apparatus comprises a plurality of substrates each having a great number of light emitting diodes aligned in one direction, the plurality of substrates being shifted from one another in the aligning direction of the light emitting diodes, and, among the plurality of substrates, every two substrates adjacent to each other in the aligning direction of the light emitting diode being fixed to each other by an auxiliary member interposed between only two substrate, and the two substrates are connected by the auxiliary member.
2 more elements
Dependencies are inferred from the claim text.