Light beam scanning apparatus capable of changing the scanning density
    81.
    发明授权
    Light beam scanning apparatus capable of changing the scanning density 失效
    能够改变扫描密度的光束扫描装置

    公开(公告)号:US5212569A

    公开(公告)日:1993-05-18

    申请号:US847877

    申请日:1992-03-10

    Inventor: Norihisa Takada

    Abstract: The light beam scanning apparatus of the present invention which is capable of recording or reading an image of high quality has a memory unit that stores datum representing the intensity of light in association with scanning density and a selector that selects said light intensity data from said memory unit according to a particular scanning density.Therefore, when the scanning density is changed by altering the transport speed in sub-scanning direction, the intensity of the light beam emitted from a light source such as a laser is adjusted by the data which is selected by the selector from the memory unit according to the scanning density.

    Abstract translation: 能够记录或读取高质量图像的本发明的光束扫描装置具有存储单元,该存储单元存储与扫描密度相关联的表示光强度的数据,以及选择器,其从所述存储器中选择所述光强度数据 单位根据特定的扫描密度。 因此,当通过改变副扫描方向的传输速度来改变扫描浓度时,从诸如激光的光源发射的光束的强度通过选择器从存储器单元选择的数据来调节,根据 到扫描密度。

    Medical image reproducing system
    84.
    发明授权
    Medical image reproducing system 失效
    医学图像再现系统

    公开(公告)号:US5111044A

    公开(公告)日:1992-05-05

    申请号:US682179

    申请日:1991-04-09

    Inventor: Toshitaka Agano

    Abstract: A medical image reproducing system comprises a plurality of medical image signal feeding apparatuses, which feed out image signals representing medical images, and a single image reproducing and recording apparatus, which is connected to the plurality of the medical image signal feeding apparatuses, and which reproduces an image from each of the image signals fed out from the medical image signal feeding apparatuses and records the image. Each medical image signal feeding apparatus is provided with a device for generating an identification signal representing the resolution, with which the picture elements in an image represented by an image signal fed out from each medical image signal feeding apparatus are arrayed. The identification signal is fed into the image reproducing and recording apparatus together with the corresponding image signal. The image reproducing and recording apparatus is provided with a device for reading an identification signal and setting the resolution, with which the picture elements in a reproduced and recorded image are arrayed, to be equal to the resolution represented by the identification signal, which has thus been read.

    Abstract translation: 一种医学图像再现系统包括:多个医用图像信号馈送装置,其馈送代表医学图像的图像信号;以及单个图像再现和记录装置,其连接到多个医学图像信号馈送装置,并且再现 来自医用图像信号馈送装置的每个图像信号的图像,并记录图像。 每个医用图像信号馈送装置设置有用于生成表示分辨率的识别信号的装置,利用该装置排列由从每个医用图像信号馈送装置馈送的图像信号表示的图像中的图像元素。 识别信号与相应的图像信号一起馈送到图像再现和记录装置。 图像再现和记录装置设置有用于读取识别信号并将再现和记录图像中的图像元素排列的分辨率设置为等于由识别信号表示的分辨率的装置,由此 已阅读

    Method and apparatus for image frame length control
    85.
    发明授权
    Method and apparatus for image frame length control 失效
    图像帧长度控制的方法和装置

    公开(公告)号:US4972208A

    公开(公告)日:1990-11-20

    申请号:US399186

    申请日:1989-08-28

    Abstract: Image frame length control apparatus and methods are disclosed which have particular utility in a printing or reproduction apparatus that writes one or more images on a transported photosensitive media such as a photoconducting drum or continuous-loop web. When an electronic writing system or optical exposure system is used to expose a driven media on a line-by-line basis, a variation in media thickness causes the latent image frame to be written with an inaccurate frame length. Consequently, a degraded print is produced.The latent image frame length is corrected during exposure, by adding or omitting one or more lines in the image frame. Alternatively, the exposure of an image is offet by an interval corresponding to one-half of the total length discrepancy between the uncorrected image frame length and the image frame length that would be written if the media surface speed was at a median level. The overall image length error is thereby reduced by half and distributed to the upper and lower extremities of the image frame. In another embodiment, the rotation rate of the media is increased or decreased when a respectively thin or thick portion of the media passes over the driving apparatus.The corrected image fames are written with greater fidelity to the original and, after development and transfer to a receiver, are particularly well-suited for use in forming an accurate multicolor reproduction.

    Abstract translation: 公开了图像帧长度控制装置和方法,其在打印或再现装置中具有特别的用途,该设备将一个或多个图像写入传送的光敏介质如光​​导滚筒或连续卷筒纸上。 当使用电子书写系统或光学曝光系统来逐行曝光从动介质时,介质厚度的变化使得潜像帧以不准确的帧长度被写入。 因此,产生劣化的打印。 在曝光期间,通过在图像帧中添加或省略一条或多条线来校正潜像帧长度。 或者,图像的曝光以对应于未校正的图像帧长度和如果介质表面速度处于中间水平时将被写入的图像帧长度之间的总长度差异的一半的间隔开始。 因此,整体图像长度误差减少了一半,并且分布到图像帧的上肢和下肢。 在另一个实施例中,当介质的分别薄或厚的部分通过驱动装置时,介质的旋转速率增加或减小。 校正后的图像信号以较高的保真度写入原稿,并且在显影和转印到接收器之后特别适用于形成准确的多色再现。

    Facsimile-printer apparatus
    88.
    发明授权
    Facsimile-printer apparatus 失效
    传真打印机设备

    公开(公告)号:US4702630A

    公开(公告)日:1987-10-27

    申请号:US877410

    申请日:1986-06-23

    Abstract: A facsimile-printer combination of a dot-matrix type, including: a first and a second printing device operable in a fascimile mode and a printer mode according to first and second printing information, respectively, for selectively producing dots on a recording medium, at a first printing pitch in metric and a second printing pitch in inch unit, respectively, in a direction of width of the recording medium; a first and a second feeding device in association with the first and second printing devices, for feeding the recording medium at a first feeding pitch the metric unit and a second feeding pitch in the inch unit, respectively, in a direction of length of the recording medium; an input device for receiving the first and second printing information output devices; and a selector device for rendering the first printing and feeding devices operative when the first printing information is received by the input device, and rendering the second printing and feeding devices operative when the second printing information is received by the input device.

    Abstract translation: 一种点阵式的传真机 - 打印机组合,包括:分别可操作于fascimile模式的第一和第二打印装置和根据第一和第二打印信息的打印机模式,用于在记录介质上选择性地产生点, 分别以记录介质的宽度方向以英制单位的公制的第一印刷间距和第二印刷间距; 与第一和第二打印装置相关联的第一和第二进给装置,用于沿着记录的长度方向分别以英制单位的公制单位和第二进给间距以第一进给间距供给记录介质 中; 用于接收第一和第二打印信息输出装置的输入装置; 以及选择装置,用于当所述输入装置接收到所述第一打印信息时使所述第一打印和所述进给装置可操作,并且当所述输入装置接收到所述第二打印信息时,使所述第二打印和进给装置可操作。

    Variable resolution scanning in line scan optical imaging systems
    89.
    发明授权
    Variable resolution scanning in line scan optical imaging systems 失效
    线扫描光学成像系统中的可变分辨率扫描

    公开(公告)号:US4575769A

    公开(公告)日:1986-03-11

    申请号:US602360

    申请日:1984-04-20

    Abstract: An improvement to a facsimile system which enables the simulation of 240 and 300 DPI feedwise scan resolutions in a system designed to operate at 200 and 400 DPI feedwise scan resolutions. The simulation is accomplished by feedwise advancing a document past a horizontal image scanner in defined sequences of half and full steps, half steps causing the document to be feedwise advanced by one four-hundredth of an inch (as in 400 DPI mode), full steps causing the document to be feedwise advanced by one two-hundredth of an inch (as in 200 DPI mode). The scan resolution errors introduced by the simulation are non-cumulative since the system comes back into feedwise synchronization with true 240 and 300 DPI scan resolutions each time one of the defined three operation sequences is completed. Also, a method of operating a document feeding system to approximate 240 and 300 DPI feedwise scan resolutions.

    Abstract translation: 传真系统的改进,使得能够在设计为以200和400 DPI进给扫描分辨率运行的系统中模拟240和300 DPI进给扫描分辨率。 模拟是通过以一半步骤和全步的限定顺序将文档以水平图像扫描仪进行进给的方式进行进行的,一半步骤使文档进给四分之一英寸(如400 DPI模式),全步骤 导致文档进给一个二百分之一英寸(如200 DPI模式)。 仿真引入的扫描分辨率误差是非累积的,因为每当定义的三个操作序列之一完成时,系统将返回到具有真实240和300 DPI扫描分辨率的进给同步。 另外,一种操作文件馈送系统的方法可以接近240和300 DPI的进给扫描分辨率。

    Copy-repeater arrangement and method of adjusting the same
    90.
    发明授权
    Copy-repeater arrangement and method of adjusting the same 失效
    复制中继器的安排和调整方法

    公开(公告)号:US3997828A

    公开(公告)日:1976-12-14

    申请号:US531083

    申请日:1974-12-09

    Abstract: A pair of cylinders is rotated in synchronism; each cylinder has a mark on its periphery and the marks are to be moved to angular coincidence. A train of counting pulses is derived from a train of timing pulses which controls the drive of one of the cylinders; when a signal is generated as the mark of this cylinder passes a fixed point, this counting pulse train is applied to a forward-reverse counter to make it count backwards from a reference value. As soon as the signal indicative of the passage of the mark on the other cylinder is generated, the counting pulse train is cut off and a pulse train derived from it but of stepped-down pulse frequency, is applied to the counter to make the same count forward to the reference value. During the forward counting, and until the reference value is reached again, the train of counting pulses is modified by adding or suppressing timing pulses, until the next signals from the one and the other cylinder indicate angular coincidence of the marks.

    Abstract translation: 一对圆筒同步旋转; 每个圆柱体在其周边上具有标记,并且标记将被移动到角度一致。 一列计数脉冲是从一系列定时脉冲得出的,这些脉冲控制着一个气缸的驱动; 当该气缸的标记经过固定点而产生信号时,该计数脉冲串被施加到正向反转计数器,使其从参考值向后计数。 一旦产生指示另一个气缸上的标记通过的信号,则计数脉冲序列被切断,并且从其产生的脉冲序列并且将其降压脉冲频率施加到计数器以使其相同 计数到参考值。 在正向计数期间,直到再次达到参考值,通过加上或抑制定时脉冲来修改计数脉冲串,直到来自一个和另一个气缸的下一个信号指示标记的角度一致。

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