Apparatus and method for the precision application of cosmetics
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United States of America Patent
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Oct 9, 2018
Grant Date -
Jan 29, 2009
app pub date -
May 29, 2008
filing date -
May 29, 2007
priority date (Note) -
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Abstract
One or more reflectance modifying agent (RMA) such as a pigmented cosmetic agent is applied selectively and precisely with a controlled spray to human skin according to local skin reflectance or texture attributes. One embodiment uses digital control based on the analysis of camera images. Another embodiment, utilizes a calibrated scanning device comprising a plurality of LEDs and photo diode sensors to correct reflectance readings to compensate for device distance and orientation relative to the skin. Ranges of desired RMA application parameters of high luminance RMA, selectively applied to middle spatial frequency features, at low opacity or application density are each significantly different from conventional cosmetic practice. The ranges are complementary and the use of all three techniques in combination provides a surprisingly effective result which preserves natural beauty while applying a minimum amount of cosmetic agent.
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