Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1997-12-31
1999-06-01
Phan, James
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359204, 359212, 359216, G02B 2608
Patent
active
059093005
ABSTRACT:
Disclosed is a scanning apparatus having a cascade scanning optical system. The scanning apparatus includes: a first laser scanning optical system for deflecting a first scanning laser beam to scan a scanning surface to generate a first scanning line; a second laser scanning optical system for deflecting a second scanning laser beam to scan the scanning surface to generate a second scanning line, wherein the first and second laser scanning optical systems are arranged so as to align the first scanning line with the second scanning line in a main scanning direction to form a single scanning line, with opposing ends of the first and second scanning lines overlapping each other by a predetermined amount; and a device for delaying the commencement of the writing of each scanning line made by the second laser scanning optical system with respect to the commencement of the writing of each scanning line made by the first laser scanning optical system so as to align the first scanning line with the second scanning line at a point of contact therebetween in the main scanning direction without the first scanning line overlapping the second scanning line.
REFERENCES:
Konica Technical Report vol. 9 (1996), along with an English language translation (No Month).
Araki Yoshiyuki
Iima Mitsunori
Iizuka Takashi
Kikuchi Shinji
Sasaki Takashi
Asahi Kogaku Kogyo Kabushiki Kaisha
Phan James
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