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11. 发明授权

US5619361A Information transmitting/processing system 失效
标题翻译：信息发送/处理系统
公开(公告)号：US5619361A
公开(公告)日：1997-04-08
申请号：US182657
申请日：1994-01-18
申请人： Yasuhiro Sagesaka , Yoshifumi Kawamura , Junichi Tatezaki , Hideo Wada , Isao Kodama , Atsushi Ogane
发明人： Yasuhiro Sagesaka , Yoshifumi Kawamura , Junichi Tatezaki , Hideo Wada , Isao Kodama , Atsushi Ogane
IPC分类号： H04B10/2507 , H04B10/00 , H04B10/11 , H04B10/116 , H04B10/272 , H04B10/524 , G05B23/02
CPC分类号： H04B10/1149
摘要： A base station (5) comprises a base transmitter (6) for transmitting information optically to a plurality of portable stations (1 to 4) at such a predetermined time interval as is designated by portable station designating information. Each of the portable stations (1 to 4) comprises a potable transmitter (7) for transmitting information optically to the base station (5) in response to the transmission, which is designated by the portable station designating information coming from said base station (5), and within the range of the aforementioned time interval immediately after said transmission. Transmissions (ACK1 to ACK4) from the mating portable stations to the base station are individually inserted between the interval periods of the transmissions (REQ1 to REQ4) from the base station (5) to the portable stations (1 to 4) so that the single base station performs optical communications with the plurality of portable stations in a half-duplex time sharing manner.
摘要翻译：基站（5）包括用于以由便携式站指定信息指定的预定时间间隔向多个便携式站（1至4）光学发送信息的基站发射机（6）。每个便携式站（1至4）包括用于响应于由便携式站指定来自所述基站（5）的信息指定的传输而向基站（5）光学发送信息的便携式发射机（7）），并且在所述发送之后的上述时间间隔的范围内。在从基站（5）到便携式站（1至4）的传输的间隔周期（REQ1至REQ4）之间单独插入从配对的便携式站到基站的传输（ACK1至ACK4），使得单个基站以半双工时分方式与多个便携站进行光通信。

12. 发明授权

US5291223A Exposure unit for a multicolor image forming apparatus capable of better registration of the multicolor images 失效
标题翻译：用于能够更好地配准多色图像的多色成像装置的曝光单元
公开(公告)号：US5291223A
公开(公告)日：1994-03-01
申请号：US942726
申请日：1992-09-09
申请人： Atsushi Ogane , Yozo Fujii , Tadashi Miwa , Isao Matsuoka , Hideo Satoh
发明人： Atsushi Ogane , Yozo Fujii , Tadashi Miwa , Isao Matsuoka , Hideo Satoh
IPC分类号： G03G15/01 , H04N1/50 , G03G15/04
CPC分类号： H04N1/506 , G03G15/011
摘要： An exposure device includes a polygon mirror to scan a photoreceptors with a plurality of laser beams to write plural color component latent images. The polygon mirror receives two laser beams at its two mirrors which are arranged diagonal to each other and reflects the two laser beams in the opposite directions to each other so that a first laser beam scans from the first side to the second side of the photoreceptor. On the photoreceptor are provided sensors to output first and second position signals independently when the first and second laser beams pass respectively the reference position mark disposed at one side on the photoreceptor. The exposure device is controlled in accordance with the position signals so that the start timing of the first laser beam is determined on the basis of the first position signal which is obtained in the current scanning line of the first laser beam and that the start timing of the second laser beam is determined on the basis of the second position signal which has been obtained in the previous scanning line of the second laser beam.
摘要翻译：曝光装置包括多面镜，用于扫描具有多个激光束的感光体以写入多个颜色分量潜像。多面镜在其两个反射镜的两个反射镜处接收两个激光束，这两个反射镜彼此对角布置，并且将两个激光束彼此相反的方向反射，使得第一激光束从感光体的第一侧扫描到第二侧。在感光体上设有传感器，当第一和第二激光束分别通过设置在感光体一侧的基准位置标记时，独立地输出第一和第二位置信号。根据位置信号控制曝光装置，使得基于在第一激光束的当前扫描线中获得的第一位置信号确定第一激光束的开始定时，并且确定第一激光束的开始定时基于在第二激光束的先前扫描线中获得的第二位置信号来确定第二激光束。

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