Optical: systems and elements – Deflection using a moving element
Patent
1990-09-10
1992-07-28
Bovernick, Rodney B.
Optical: systems and elements
Deflection using a moving element
359246, 358417, 358474, G02B 2608, H04N 104
Patent
active
051345129
ABSTRACT:
A scan-exposure apparatus comprises a detector for detecting the values of the digital modulation signal in adjacent time series and the differences of the values therebetween and an exposure time changing device for compensating the time spans of the modulation signal. The detector detects the values of the digital modulation signal in two adjacent units of the time series and the difference between the values. An exposure time compensation device adjusts time spans of the time series of the modulation signal. Thus, the modulation signal pattern is rendered similar to the exposure of the exposure beam.
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Bovernick Rodney B.
Brother Kogyo Kabushiki Kaisha
Nguyen Thong
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