Patent ID: 6275248
Filing Date: 2001-08-14
Classification: B41J

Abstract:
A vacuum flourescent color printer for forming an image based on image data on a photosensitive material, comprising:a print head movable in a sub-scanning direction relative to said photosensitive material, and including:a red (R) luminous block, a green (G) luminous block and a blue (B) luminous block each having a plurality of luminous elements arranged in a main scanning direction for irradiating said photosensitive material with light released from phosphorous objects to which electrons are applied based on a drive signal, thereby forming dots on said photosensitive material; anda further red luminous block paced from said luminous blocks in said sub-scanning direction and used for printing the red color among said three colors (R, G, B);wherein each dot of the red color is formed by double-exposure with light from said red luminous block and said further red luminous block, and wherein said red luminous block and said further red luminous block are driven based on a same density data.