发明名称 OPTICAL SCANNER
摘要 PURPOSE:To keep constant an optical path length and make variable an optical scanning range by varying a distance between the scanning means and the plane being scanned instead of a distance between the lens and the plane being scanned.
申请公布号 JPS52137350(A) 申请公布日期 1977.11.16
申请号 JP19760054080 申请日期 1976.05.12
申请人 FUJITSU LTD 发明人 TAKASHIRO MASATO;IKEDA HIROYUKI;ANDOU MORITOSHI
分类号 G11C17/00;G02B26/12;G06K7/10;G07B11/02;H04N3/02;H04N3/08 主分类号 G11C17/00
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