Patent ID: 6813465
Filing Date: 2004-11-02
Classification: G03G

Abstract:
A flash fixing device configured to fix a toner image by a flash light, comprising:(1) an alignment of flash lamps, comprising: (i) a first flash lamp having a first central axis, provided at one end of the alignment; (ii) a second flash lamp having a second central axis, provided at the other end of the alignment, wherein the second flash lamp is parallel to the first flash lamp, wherein a surface including the first flash lamp and the second flash lamp forms a standard surface; and (iii) a third flash lamp provided between the first and the second flash lamps, parallel to the first and the second flash lamps, wherein the alignment of the flash lamps has a center; and (2) a reflection board provided above the alignment, comprising: (i) a first pair of side part reflection surfaces, provided along the first flash lamp; (ii) a second pair of side part reflection surfaces, provided along the second flash lamp; and (iii) a third pair of side part reflection surfaces, provided along the third flash lamp, wherein each of the side part reflection surfaces reflects downward a light emitted from each of the flash lamps; and wherein an acute angle formed between the standard surface and each of the side part reflection surfaces becomes smaller as the acute angle is positioned closer to the center of the alignment of the flash lamps.