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    • 5. 发明授权
    • Bar code reader
    • 条码读取器
    • US06462880B1
    • 2002-10-08
    • US09025631
    • 1998-02-18
    • Masanori OhkawaToshiyuki IchikawaHiroshi WatanukiKozo Yamazaki
    • Masanori OhkawaToshiyuki IchikawaHiroshi WatanukiKozo Yamazaki
    • G02B2710
    • G06K7/1096G06K7/10623G06K7/10693G06K7/10702G06K7/10871G06K2007/10514Y10S359/90
    • A bar code reader having two reading windows, i.e., a bottom window and a side window. An increased number of scanning lines are used for constituting scanning patterns for scanning bar codes, and the arrangement of the optical system is contrived to decrease the whole size of the bar code reader and, particularly, to decrease the depth of the bar code reader. A source of laser light, a splitter for splitting the laser beam emitted from the laser light source into two, a reflection mirror for transmitting one beam from the splitter to a polygon mirror, the polygon mirror which rotates to scan the incident laser beam, a mirror system for emitting the beam reflected by the polygon mirror through the reading window, and a focusing member for focusing the beam reflected by the bar code onto a detector that detects the beam reflected by the bar code, are arranged on the same line in the bar code reader. By using a concave mirror, furthermore, the beam reflected by the bar code is folded back to one detector. The light-receiving surface of another detector is faced downward to receive the beam reflected by the bar code through Fresnel lens and mirror, thereby to decrease the depth of the bar code reader. Furthermore, the beam passage from the reflection mirror goes through the lower surface of the polygon mirror intersecting the axis of rotation of the polygon mirror.
    • 具有两个读取窗口,即底部窗口和侧面窗口的条形码阅读器。 使用扫描线数量增加来构成用于扫描条形码的扫描图案,并且设计了光学系统的布置以减小条形码阅读器的整体尺寸,特别是降低条形码阅读器的深度。 激光源,用于将从激光光源发射的激光束分为两部分的分离器,用于将一束光从分光镜传输到多面镜的反射镜,旋转以扫描入射激光束的多面反射镜, 用于通过读取窗口发射由多面镜反射的光束的反射镜系统,以及用于将由条形码反射的光束聚焦到检测由条形码反射的光束的检测器上的聚焦部件布置在 条码读取器。 此外,通过使用凹面镜,由条形码反射的光束被折回到一个检测器。 另一个检测器的光接收表面面向下以接收由条形码反射的光束通过菲涅尔透镜和反射镜,从而减小条形码阅读器的深度。 此外,来自反射镜的光束通过穿过与多面镜的旋转轴交叉的多面镜的下表面。
    • 6. 发明授权
    • Power supply for electrophotography apparatus
    • 电子照相设备电源
    • US5144364A
    • 1992-09-01
    • US669384
    • 1991-03-14
    • Toshiyuki Ichikawa
    • Toshiyuki Ichikawa
    • G03G15/00G05F1/577G06K15/12
    • G03G15/80G05F1/577G06K15/12
    • A power supply device includes a first output circuit for outputting a power supply voltage of a first potential, a second output circuit for outputting a power supply voltage of a second potential, a circuit for connecting the first and second output circuits, a circuit for applying a predetermined central potential to the connecting circuit, a circuit for generating a reference potential having a predetermined potential difference from the central potential, a circuit for generating a first detection potential corresponding to the first potential, a circuit for generating a second detection potential corresponding to both the first potential and the second potential, a circuit for controlling the first output circuit to minimize a potential difference between the first detection potential and the reference potential, a circuit for controlling the second output circuit to minimize a potential difference between the second detection potential and the central potential, and a circuit for forcibly changing at least one of the first detection potential and the reference potential using a predetermined control signal, so that both the first potential and the second potential change toward the central potential.
    • 8. 发明授权
    • Magnetic card reader
    • 磁卡读卡器
    • US08226002B2
    • 2012-07-24
    • US13195390
    • 2011-08-01
    • Yoshiaki KasaiNoboru IshiiToshiyuki KobayashiToshiyuki Ichikawa
    • Yoshiaki KasaiNoboru IshiiToshiyuki KobayashiToshiyuki Ichikawa
    • G06K7/08G06K19/06
    • G11B5/00808G06K7/084G11B5/40
    • A conductive fixed static elimination member is provided in a before-magnetic head travel portion which guides a magnetic card to a magnetic card reader unit provided with a magnetic head, such that a protuberance portion thereof protrudes into a card travel groove through an opening formed in one of side walls, and has a conductive cleaning pad affixed to a surface thereof. The magnetic card inserted in the before-magnetic head travel portion is cleaned by the cleaning pad, and if the magnetic card has static electricity, it is possible to eliminate the static electricity by discharging the static electricity to the ground via the cleaning pad having conductivity, the fixed static elimination member, and a magnetic card reader fixing bracket.
    • 导磁固定静电消除构件设置在磁头行进部分中,该磁头行进部分将磁卡引导到设置有磁头的磁卡读取器单元,使得其突起部分通过形成在其中的开口突出到卡行进槽中 一个侧壁,并且具有固定到其表面的导电清洁垫。 插入到前磁头行进部分中的磁卡被清洁垫清洁,并且如果磁卡具有静电,则可以通过具有导电性的清洁垫将静电放电到地面来消除静电 ,固定式静电消除构件和磁卡阅读器固定支架。
    • 9. 发明授权
    • Optical scanner, code reader and bar code reader having increased degree of freedom in placement of optical parts
    • 光学扫描仪,代码阅读器和条形码阅读器具有增加的光学部件放置自由度
    • US06631844B1
    • 2003-10-14
    • US09422268
    • 1999-10-21
    • Masanori OhkawaToshiyuki IchikawaHiroshi WatanukiKozo Yamazaki
    • Masanori OhkawaToshiyuki IchikawaHiroshi WatanukiKozo Yamazaki
    • G06K710
    • G06K7/1096G06K7/10574G06K7/10623
    • A multi-head optical scanning device used for a bar code reader having a reduced thickness and realizing more complete 360° bar code reading. The scanning device includes a bottom part, a side part which is nearly vertical to the bottom part, a light source, a polygon mirror and a light detector contained inside the body of the side part. Light beams are emitted from the light source so that they are nearly vertical to the surface of the bottom part, and the polygon mirror has a rotation axis at a position which is nearly parallel to the surface of the bottom part. The optical scanning device eliminates the need for a mechanism which performs scanning inside the bottom part and the degree of freedom with which each of the pattern mirrors is disposed is increased, and provides a scanning pattern whose reading capacity can be upgraded by using a scanning pattern which is emitted from the bottom part.
    • 一种用于条形码读取器的多头光学扫描装置,其具有减小的厚度并实现更完整的360°条形码读取。 扫描装置包括底部,与底部几乎垂直的侧部,包含在侧部的主体内的光源,多面镜和光检测器。 光束从光源射出,使得它们几乎垂直于底部的表面,并且多面反射镜在几乎平行于底部表面的位置处具有旋转轴。 光学扫描装置消除了对在底部进行扫描的机构和设置每个图案反射镜的自由度增加的机构的需要,并且提供了通过使用扫描图案来提高读取容量的扫描图案 它是从底部排出的。