29 December 1993 Historical review and future trends of scanning optical systems for laser-beam printers
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Abstract
Flying spot scanning technologies providing a constant velocity were presented in 1963 and in 1969, although the concept of `f-0' was not yet explained definitely. After the middle of the 1970s, laser diodes became worthy of notice and a compact-sized laser beam printer was developed. Along with that development, the `f-0 lens' was defined based on the optical design theory in 1979 and also popular-type `f-0 lenses' were developed through the analytical design method. On the other hand, the author and colleagues worked out the best way of enabling metal light deflectors to apply in a popular-type system in 1984; which means the optical system of `deflection error compensation' with the simple composition including a toric lens. The epoch-making optical system raised the productivity of laser beam printers and also has been providing high-definition image printing. As for recent trends, low-priced and compact- sized printers are expanding their share of the market. The author predicts that future laser scanning technologies will be focused in low-priced and process-simplified printers looking closely into high-definition image quality.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kazuo Minoura, "Historical review and future trends of scanning optical systems for laser-beam printers", Proc. SPIE 1987, Recording Systems: High-Resolution Cameras and Recording Devices and Laser Scanning and Recording Systems, (29 December 1993); doi: 10.1117/12.165201; https://doi.org/10.1117/12.165201
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