Patent ID: 6088164
Filing Date: 2000-07-11
Classification: B41J

Abstract:
An image forming apparatus comprising:light-source means in which a plurality of light-emitting devices are arranged in a one-dimensional direction;a recording medium; anda lens array for focusing light beams emitted from said light-source means onto a surface of said recording medium, said lens array being formed by arranging a plurality of condensing lenses in a scanning direction in two lines so as to stagger and closely place lenses in one line on lenses on another line,wherein, when the radius of a field of view of a single condensing lens is represented by X.sub.0, the diameter of the condensing lens is represented by D, and a degree of overlap is represented by m=X.sub.0 /D, said lens array is formed so as to satisfy the following condition:1.85<m<2.00.