Image reading apparatus with a function for correcting nonuniformity in
recording density
    72.
    发明授权
    Image reading apparatus with a function for correcting nonuniformity in recording density 失效
    具有校正记录密度不均匀功能的图像读取装置

    公开(公告)号:US5596353A

    公开(公告)日:1997-01-21

    申请号:US371492

    申请日:1995-01-11

    IPC分类号: B41J29/393 H04N1/407 B41J2/01

    CPC分类号: B41J29/393 H04N1/4078

    摘要: An image recording apparatus includes a recording head in which a plurality of recording elements are arranged so as to form an image on a recording medium, a device for causing the recording head to print a predetermined test pattern, an image density reading device for reading the density of the test pattern formed by the recording head, an uneven image density correction device for correcting conditions for driving the plurality of recording elements in accordance with the result of reading, so as to make even the density of the image formed in accordance with the result of reading, a recording stabilizing device for stabilizing a recording operation performed by the recording head, and a control device for operating the recording stabilizing device before the test pattern is printed and operating the test pattern printing device after the recording head has been stabilized by the recording stabilizing device.

    摘要翻译: 图像记录装置包括记录头,其中多个记录元件被布置成在记录介质上形成图像,用于使记录头打印预定测试图案的装置,用于读取记录头的图像浓度读取装置 由记录头形成的测试图案的密度,用于根据读取结果来校正用于驱动多个记录元件的条件的不均匀图像浓度校正装置,以使均匀的根据读取的图像形成的图像的浓度 读取结果,用于稳定记录头执行的记录操作的记录稳定装置,以及用于在打印测试图案之前操作记录稳定装置的控制装置,并且在记录头已被稳定之后操作测试图案打印装置 记录稳定装置。

    An apparatus for transmitting, receiving and recording an image
    75.
    发明授权
    An apparatus for transmitting, receiving and recording an image 失效
    一种用于发送,接收和记录图像的装置

    公开(公告)号:US5416596A

    公开(公告)日:1995-05-16

    申请号:US782385

    申请日:1991-10-24

    摘要: An apparatus for transmission, reception and recording of an image, such as a facsimile apparatus, capable of correcting the unevenness in density or improper density resulting from fluctuation in the performance of the recording head of the receiving unit, with a limited amount of data transfer. At the start of communication, correction data for uneven or improper density of the recording head are sent from the receiving unit to the transmitting unit. The transmitting unit corrects the multi-value image data to be transmitted, based on the received correction data, and sends the corrected image data after conversion into binary state. The receiving unit receives the binary image data and effects image recording. The time and cost for data transmission can be reduced, as the correction is conducted at the transmitting unit and the data transmission can be made in binary data.

    摘要翻译: 用于发送,接收和记录诸如传真设备的图像的设备,其能够校正由接收单元的记录头的性能的波动导致的密度不均匀性或不适当的密度,数据传输有限 。 在通信开始时,记录头的不均匀或不适当密度的校正数据从接收单元发送到发送单元。 发送单元基于接收的校正数据校正要发送的多值图像数据,并且在转换成二进制状态之后发送校正后的图像数据。 接收单元接收二进制图像数据并进行图像记录。 可以减少数据传输的时间和成本,因为在发送单元进行校正,并且可以以二进制数据进行数据传输。

    Image recording apparatus capable of correcting density unevenness
    77.
    发明授权
    Image recording apparatus capable of correcting density unevenness 失效
    能够校正浓度不均匀的图像记录装置

    公开(公告)号:US5343231A

    公开(公告)日:1994-08-30

    申请号:US3992

    申请日:1993-01-15

    申请人: Akio Suzuki

    发明人: Akio Suzuki

    摘要: An image forming apparatus is provided by which a certain test pattern is recorded with a recording head having a plurality of recording elements, and the degree of density unevenness of each recording element of the recording head is calculated by reading the test pattern. The temperature of the recording head is detected and the degree of density unevenness calculated is corrected according to the detected temperature, thereby calculating correction data with respect to each recording element. At the time of image recording, image data input for each recording element is changed based on the correction data to correct any unevenness in density of the recorded image.

    摘要翻译: 提供了一种图像形成装置,通过该图像形成装置用具有多个记录元件的记录头记录一定的测试图案,并且通过读取测试图案来计算记录头的每个记录元件的浓度不均匀度。 检测记录头的温度,并且根据检测到的温度校正计算的浓度不均匀度,从而计算关于每个记录元件的校正数据。 在图像记录时,基于校正数据改变每个记录元件输入的图像数据,以校正记录图像的浓度不均匀性。

    Image forming apparatus having control based on detected toner charge
and transfer efficiency
    79.
    发明授权
    Image forming apparatus having control based on detected toner charge and transfer efficiency 失效
    具有基于检测到的调色剂充电和转印效率的控制的图像形成装置

    公开(公告)号:US5296903A

    公开(公告)日:1994-03-22

    申请号:US961387

    申请日:1992-10-15

    CPC分类号: G03G15/1645 G03G15/0131

    摘要: An image forming apparatus has an image bearing member; a toner image forming device for forming a toner image on the image bearing member; a transfer charger for transferring the toner image from the image bearing member onto a transfer material; a first detector for detecting toner charge amount before image transfer onto the transfer material; a second detector for detecting the efficiency of the image transfer; and a controller for controlling a condition of image transfer operation in accordance with outputs of the first and second detector.

    摘要翻译: 图像形成装置具有图像承载部件; 调色剂图像形成装置,用于在图像承载部件上形成调色剂图像; 用于将调色剂图像从图像承载部件转印到转印材料上的转印充电器; 第一检测器,用于在图像转印到转印材料之前检测调色剂电荷量; 用于检测图像传送效率的第二检测器; 以及控制器,用于根据第一和第二检测器的输出来控制图像传送操作的状态。