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    • 34. 发明授权
    • Halftone image recording apparatus
    • 半色调图像记录装置
    • US4578714A
    • 1986-03-25
    • US680229
    • 1984-12-10
    • Susumu SugiuraTakashi Sugino
    • Susumu SugiuraTakashi Sugino
    • G06T5/00H04N1/405H04N1/41H04N1/40
    • H04N1/4055
    • A halftone image recording apparatus has a photoelectric converter for generating a density signal representing the density level of an image, a periodical or random signal generator for periodically or randomly generating level signals, an adder for adding the density signal and the level signals, a memory for storing the addition signal from the adder, a pattern generator for generating an image pattern, and an ink jet head or the like to record the image pattern. Pseudooutlines are eliminated without requiring an increase in the reading resolution and without imparing the resolution during recording. Input image data is compressed and a memory of smaller capacity can be used.
    • 半色调图像记录装置具有用于产生表示图像的浓度级的浓度信号的光电转换器,用于周期地或随机地产生电平信号的周期性或随机信号发生器,用于将浓度信号和电平信号相加的加法器,存储器 用于存储来自加法器的加法信号,用于产生图像图案的图案发生器和用于记录图像图案的喷墨头等。 删除伪线,而不需要增加读取分辨率,而不会在记录期间影响分辨率。 输入图像数据被压缩,并且可以使用较小容量的存储器。
    • 39. 发明授权
    • Printing apparatus and printing method for converting print data to a representation supported by a selected printer
    • 用于将打印数据转换成由所选打印机支持的表示的打印设备和打印方法
    • US06515758B2
    • 2003-02-04
    • US09326539
    • 1999-06-07
    • Toyokazu UdaSusumu SugiuraMakoto TakaokaShigetada Kobayashi
    • Toyokazu UdaSusumu SugiuraMakoto TakaokaShigetada Kobayashi
    • G06F1500
    • H04N1/00204G06F3/1297H04N2201/0068H04N2201/0074
    • A printer server connectable to a plurality of printers includes a receiver for receiving print data from an external apparatus, a first discrimination unit for discriminating a representation by which the received print data is described, and a selection unit for selecting, from the plurality of printers, a printer to print an image corresponding to the received print data. A second discrimination unit of the printer server discriminates whether the selected printer is capable of processing print data in the discriminated representation. When the selected printer is not capable of processing print data in the discriminated representation, a controller of the printer sever converts the received print data into print data in another representation and transmits the print data in the other representation. The controller transmits print data in the discriminated representation when the selected printer is capable of processing print data in the discriminated representation. The apparatus also includes a status receiver for receiving, from the selected printer, status information indicating that transmitting print data has been printed normally. A status sending unit of the apparatus sends the status information to the external apparatus.
    • 可连接到多个打印机的打印机服务器包括用于从外部设备接收打印数据的接收器,用于鉴别所述接收到的打印数据的描述的表示的第一判别单元和用于从多个打印机中选择的选择单元 打印机,用于打印与所接收的打印数据相对应的图像。 打印机服务器的第二识别单元判断所选择的打印机是否能够处理所识别的表示中的打印数据。 当所选择的打印机不能处理所识别的表示中的打印数据时,打印机服务器的控制器将所接收的打印数据以另一种形式转换为打印数据,并以另一种形式传送打印数据。 当所选择的打印机能够处理所识别的表示中的打印数据时,控制器以鉴别表示形式发送打印数据。 该装置还包括状态接收器,用于从所选择的打印机接收指示正常打印传送打印数据的状态信息。 设备的状态发送单元将状态信息发送到外部设备。