Imaging apparatus, imaging method, and printing apparatus
AssigneeToray Industries, Inc.
InventorsYoshinori Inoue, Hiroaki Iwai
Life of this patent
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Abstract
An imaging apparatus 1 having a plurality of beam irradiation sources individually drivable, an imaging method, an optical fiber array apparatus, an imaging head apparatus, and a printing apparatus. The imaging apparatus 1 comprises n (n=2 or more integer) light source blocks 15a to 15d including k (k=2 or more integer) beam irradiation sources, and one or more and below n beam irradiation source driving devices connectable for each block.
Claims56
An imaging apparatus having a plurality of beam irradiation sources which can be individually driven, said imaging apparatus comprising:
- n (n=2 or more integer) light source blocks including k (k=2 or more integer) beam irradiation sources;
- and
- one or more and below n beam irradiation source driving devices connectable for each block.
An imaging apparatus having a plurality of beam irradiation sources which can be individually driven, said imaging apparatus comprising:
- supporting means for an imaging medium;
- n (n=2 or more integer) light source blocks including k (k=2 or more integer) beam irradiation sources;
- at least one or more and below n beam irradiation source driving devices connectable for each block;
- and
- scanning means, provided between said light source blocks and said supporting means in a sub-scanning direction, capable of changing a feed amount.
An optical fiber array apparatus including a plurality of optical fiber rows having emission ends of optical fibers arranged each other in a row with a predetermined pitch and an optical fiber support member for supporting said optical fiber rows, said optical fiber array apparatus comprising:
- parallel portions closely contacting said optical fiber rows along said optical fiber rows;
- and
- restricting portions for restricting movement of said optical fiber rows in their arranging direction so as to position said optical fibers such that a distance between optical axes of the optical fibers at the edge of each of said optical fiber rows in a projection direction forming a predetermined angle to said arranging direction is substantially a constant value.
An optical fiber array apparatus including a plurality of optical fiber double rows having a first optical fiber row having emission ends of optical fibers arranged each other in a row with a predetermined pitch and a second optical fiber row closely contacting said first optical fiber row and having emission ends of optical fibers arranged each other in a row with a predetermined pitch, said second optical fiber row arranged at a position shifted by 0.5 times as large as said predetermined pitch in said arranging direction from said first optical fiber row;
- and
- an optical fiber support member for supporting said optical fiber double rows, said optical fiber support member comprising:
- parallel portions closely contacting said first optical fiber rows along said first optical fiber rows;
- restricting portions for restricting movement of said optical fiber double rows in their arranging direction so as to position said optical fibers such that a distance between optical axes of the optical fibers at the edge of each of said optical fiber rows in a projection direction forming a predetermined angle to said arranging direction is substantially a constant value.
An optical fiber array apparatus including a plurality of optical fiber rows having emission ends of optical fibers arranged each other in a row with a predetermined pitch and an optical fiber support member for supporting said optical fiber rows, said optical fiber array apparatus comprising:
- pairs of parallel portions closely contacting each of both sides of said optical fiber rows along said optical fiber rows;
- and
- restricting portions for restricting movement of said optical fiber rows in their arranging direction so as to position said optical fibers such that a distance between optical axes of the optical fibers at the edge of each of said optical fiber rows in a projection direction forming a predetermined angle to said arranging direction is substantially a constant value.
An imaging apparatus for generating a physical change according to imaging data on an imaging medium using a plurality of beam irradiation sources which can be independently driven, said imaging apparatus comprising:
- a beam irradiation source control device for controlling said beam irradiation sources such that said beam irradiation sources are maintained to be an ON-state at an imaging operation time in an imaging area, an imaging data present portion is irradiated with energy beams having irradiation energy density larger than a sensitivity threshold value of an imaging medium, and an imaging data absent portion is irradiated with energy beams having irradiation energy density smaller than the sensitivity threshold value of the imaging medium;
- and
- sub-scanning control device for controlling a sub-scanning means or beam irradiation sources such that the closest lines in the main scanning direction are not imaged simultaneously at said imaging operation time.
An imaging apparatus for generating a physical change according to imaging data on an imaging medium using a plurality of beam irradiation sources which can be independently driven, said imaging apparatus comprising:
- a beam irradiation source control device for controlling said beam irradiation sources such that said beam irradiation sources are maintained to be an ON-state at an imaging operation time in an imaging area, an imaging data present portion is irradiated with energy beams having irradiation energy density being 1.5 to 2.5 times as large as a sensitivity threshold value of an imaging medium, and an imaging data absent portion is irradiated with energy beams having irradiation energy density corresponding to 70% to 90% of the sensitivity threshold value of the imaging medium.
The imaging apparatus according to any one of claims (sic), wherein said beam irradiation sources are emission ends of the optical fibers.
An imaging apparatus for generating a physical change according to imaging data on an imaging medium using beam irradiation sources, said imaging apparatus comprising:
- imaging medium support means;
- beam irradiation means for projecting energy beams modulated in accordance with imaging data onto the imaging medium attached to said imaging medium support means;
- and
- focal position adjusting means for adjusting the positional relationship between said beam irradiation means provided in said imaging medium support means in accordance with the position on said imaging medium and said imaging medium.
An imaging apparatus for generating a physical change according to imaging data on an imaging medium using beam irradiation sources, said imaging apparatus comprising:
- imaging medium support means;
- beam irradiation means for projecting energy beams modulated in accordance with imaging data to the imaging medium attached to said imaging medium support means;
- a focal position detecting member, provided in said imaging medium support means in accordance with the position on said imaging medium, having an energy passage line where a passage state of said energy beams changes in accordance with a focal state of said energy beams;
- a detector for measuring the energy beams passed through said focal position detecting member;
- and
- focal position adjusting means for adjusting the positional relationship between said beam irradiation means and said imaging medium.
An imaging apparatus for generating a physical change according to for imaging data on an imaging medium using beam irradiation sources, said imaging apparatus comprising:
- imaging medium support means;
- beam irradiation means for projecting energy beams modulated in accordance with imaging data to the imaging medium attached to said imaging medium support means;
- focal position detecting means moving with said beam irradiation means as one unit;
- and
- focal position adjusting means for adjusting the positional relationship between said beam irradiation means and said imaging medium.
Dependencies are inferred from the claim text.