SCANNING OPTICAL SYSTEM AND SCANNING LENS
Provided is a scanning optical system, wherein, with a scanning direction on a surface as a y-axis, a principal ray perpendicularly incident on the surface as a z-axis, a reflection point on the deflector of the principal ray as an origin point, the distance from the origin point to the surface as L...
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| creator | KUWAGAITO TOMOHITO |
| description | Provided is a scanning optical system, wherein, with a scanning direction on a surface as a y-axis, a principal ray perpendicularly incident on the surface as a z-axis, a reflection point on the deflector of the principal ray as an origin point, the distance from the origin point to the surface as L, the length of a scanning path on the surface as W, the maximum value and the minimum value of they-coordinate of a point at which the principal ray passes an emission surface of the scanning lens as ymax and ymin, respectively, the curvature in a main scanning direction of the emission surface atthe point as c, and the refractive index of a material as n, power phi = (1-n)*c in the main scanning direction at the point is defined, and with the maximum value of the absolute value of dphi/dy inranges from ymin to 0.6ymin and from 0.6ymax to ymax as absolute value of dphi/dy out, and the maximum value of the absolute value of dphi/dy in a range from 0.6ymin to 0.6ymax as absolute value of phi/dyin, 0.54 |
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eng</language><creationdate>2021</creationdate><topic>CORRECTION OF TYPOGRAPHICAL ERRORS</topic><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME</topic><topic>LINING MACHINES</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>PICTORIAL COMMUNICATION, e.g. TELEVISION</topic><topic>PRINTING</topic><topic>SELECTIVE PRINTING MECHANISMS</topic><topic>STAMPS</topic><topic>TRANSPORTING</topic><topic>TYPEWRITERS</topic><toplevel>online_resources</toplevel><creatorcontrib>KUWAGAITO TOMOHITO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUWAGAITO TOMOHITO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SCANNING OPTICAL SYSTEM AND SCANNING LENS</title><date>2021-01-15</date><risdate>2021</risdate><abstract>Provided is a scanning optical system, wherein, with a scanning direction on a surface as a y-axis, a principal ray perpendicularly incident on the surface as a z-axis, a reflection point on the deflector of the principal ray as an origin point, the distance from the origin point to the surface as L, the length of a scanning path on the surface as W, the maximum value and the minimum value of they-coordinate of a point at which the principal ray passes an emission surface of the scanning lens as ymax and ymin, respectively, the curvature in a main scanning direction of the emission surface atthe point as c, and the refractive index of a material as n, power phi = (1-n)*c in the main scanning direction at the point is defined, and with the maximum value of the absolute value of dphi/dy inranges from ymin to 0.6ymin and from 0.6ymax to ymax as absolute value of dphi/dy out, and the maximum value of the absolute value of dphi/dy in a range from 0.6ymin to 0.6ymax as absolute value of phi/dyin, 0.54 <= L/W <=0.64</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CORRECTION OF TYPOGRAPHICAL ERRORS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS |
| title | SCANNING OPTICAL SYSTEM AND SCANNING LENS |
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