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公开(公告)号:EP0600853A2
公开(公告)日:1994-06-08
申请号:EP94200320.3
申请日:1989-06-20
申请人: ROHM CO., LTD.
CPC分类号: G02B3/005 , B41J2/451 , G06K15/12 , G06K15/1247 , H01L2224/48091 , H01L2224/73265 , H04N1/03 , H04N1/0303 , H04N1/0306 , H04N1/036 , H04N1/193 , H04N1/1934 , H04N1/1935 , H01L2924/00014
摘要: An apparatus is provided for optically writing or reading information comprising a row of optical dot array chips each including a plurality of optical dot elements constantly arranged in the direction of the row. The respective array chips are driven by separate control circuits (IC) each incorporating a plurality of drive transistors (TR1-TR64) for driving the respective optical dot elements of a corresponding array chip. Each control circuit further incorporates a gate voltage setting circuit (27) which applies an adjustable gate voltage (VG) to the respective drive transistors (TR1-TR64). The gate voltage setting circuit (27) comprising a plurality of parallel voltage dividing resistors (R1-R7) which are selectively incorporated into said gate voltage setting circuit (27).
摘要翻译: 提供了一种用于光学写入或读取信息的装置,其包括一行光点阵列芯片,每行包括沿行方向不断布置的多个光点元件。 相应的阵列芯片由分别组合有用于驱动相应的阵列芯片的各个光点元件的多个驱动晶体管(TR1-TR64)的单独的控制电路(IC)驱动。 每个控制电路还包括栅极电压设置电路(27),其将可调节栅极电压(VG)施加到相应的驱动晶体管(TR1-TR64)。 栅极电压设定电路(27)包括选择性地并入所述栅极电压设定电路(27)的多个并联分压电阻(R1〜R7)。
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公开(公告)号:EP0600853A3
公开(公告)日:1994-07-06
申请号:EP94200320.3
申请日:1989-06-20
申请人: ROHM CO., LTD.
CPC分类号: G02B3/005 , B41J2/451 , G06K15/12 , G06K15/1247 , H01L2224/48091 , H01L2224/73265 , H04N1/03 , H04N1/0303 , H04N1/0306 , H04N1/036 , H04N1/193 , H04N1/1934 , H04N1/1935 , H01L2924/00014
摘要: An apparatus is provided for optically writing or reading information comprising a row of optical dot array chips each including a plurality of optical dot elements constantly arranged in the direction of the row. The respective array chips are driven by separate control circuits (IC) each incorporating a plurality of drive transistors (TR1-TR64) for driving the respective optical dot elements of a corresponding array chip. Each control circuit further incorporates a gate voltage setting circuit (27) which applies an adjustable gate voltage (VG) to the respective drive transistors (TR1-TR64). The gate voltage setting circuit (27) comprising a plurality of parallel voltage dividing resistors (R1-R7) which are selectively incorporated into said gate voltage setting circuit (27).
摘要翻译: 一种用于光学写入信息的设备包括一排纵向隔开的LED阵列芯片(5),与该芯片行平行布置的感光表面(3)和布置在芯片行和感光体之间的透镜系统(4) 表面。 每个阵列芯片具有不间断的LED以提供发光点。 透镜系统包括以相应的阵列芯片对应的方式布置的凸透镜元件(8),以相反排列形成感光表面上相应阵列芯片的发光点的放大图像,使得所有的点图像 感光表面是恒定间隔的。
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