| 摘要 |
A method and apparatus to effect tanning in humans. The method utilizes very short discrete pulses, with a dark period of low to zero energization between discrete pulses, of ultraviolet or visible light irradiation of selected wave length to effect the tanning. Different apparati are disclosed to carry out the invention. One type of apparatus continuously generates irradiation of the selected wave length and projects that irradiation through mechanical pathblockers to create the discrete pulses. Another type of apparatus intermittently generates irradiation in the desired discrete pulse and of the desired wave length to create the desired effect.
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