发明名称 Display device of focal angle and focal distance in iris recognition system
摘要 The present invention relates to a display device of a focal angle and distance in an iris recognition system, in which the device includes: a distance measurer for measuring a distance between a user and an iris recognition camera, and an indicator for quantitatively indicating a forward-backward distance and a right and left or up and down direction the user should move, in accordance with the distance measured by the distance measurer.
申请公布号 US2002130961(A1) 申请公布日期 2002.09.19
申请号 US20020096967 申请日期 2002.03.14
申请人 LG ELECTRONICS INC. 发明人 LEE WON HEE;YANG AE KYUNG;CHAE JANG JIN
分类号 G01D7/00;G01B11/00;G06K9/00;G06T1/00;G07C9/00;(IPC1-7):H04N5/222;H04N5/225;H04N9/47 主分类号 G01D7/00
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