Thermal transfer printing employing a binder
    1.
    发明授权
    Thermal transfer printing employing a binder 失效
    使用粘合剂的热转印

    公开(公告)号:US4527171A

    公开(公告)日:1985-07-02

    申请号:US554023

    申请日:1983-11-21

    摘要: In thermal ink transfer printing, a layer of thermally fusable binder is deposited on a recording sheet prior to the transfer print of thermally fusable ink from a transfer sheet to provide a strong bond between the underlying recording sheet and the overlying ink deposits. In one embodiment, layers of thermally fusable ink and binder material are deposited on the base of a common transfer sheet in alternate fashion. The binder layer is initially positioned above a thermal head and the latter is heated so that the binder is fused and transferred to the recording sheet. The recording sheet and transfer sheet are advanced together with respect to the head so that the recording sheet is entirely covered with a layer of the binder material. Thereafter, the binder-coated recording sheet comes into contact with the ink layer and the thermal head is controlled to heat portions of the ink layer for transfer to the binder-coated surface of the recording sheet.

    摘要翻译: 在热转印印刷中,在从转印片转印印刷热熔油墨之前,将一层热熔粘合剂沉积在记录片材上,以在下面的记录片材和上覆墨水沉积物之间提供牢固的结合。 在一个实施方案中,可热交换的油墨和粘合剂材料层以交替的方式沉积在共同的转印纸的基底上。 最初将粘合剂层定位在热敏头上方,并加热粘合剂层,使粘合剂熔融并转移到记录片材上。 记录片材和转印片材相对于头部一起前进,使得记录片材完全被粘合剂材料层覆盖。 此后,粘合剂涂覆的记录片材与油墨层接触,并且控制热敏头以加热油墨层的部分以转印到记录纸的粘合剂涂布表面。

    Apparatus and method for thermal ink transfer printing
    3.
    发明授权
    Apparatus and method for thermal ink transfer printing 失效
    热转印印刷的设备和方法

    公开(公告)号:US4555714A

    公开(公告)日:1985-11-26

    申请号:US669783

    申请日:1984-11-09

    CPC分类号: H04N1/40031 B41J2/355

    摘要: A plurality of heat generating resistors (11a, 11b) arranged in line in a thermal head are driven such that two consecutive heat generating resistors (11a, 11b) are combined to cover a single picture element whose desired density is represented by each datum. A head drive circuit is provided so that only a first heat generating resistor (11a) is energized when the desired density is below a predetermined value, and that both the first and second heat generating resistors (11a, 11b) are energized when the desired density is equal to or above the predetermined value. The energizing duration of the second heat generating resistor (11b) is set to be within the energizing duration of the first heat generating resistor (11a) to reduce printing time, and the end of the energizing duration of the second heat generating resistor (11b) corresponds to the end of energizing duration of the first heat generating resistor (11a) so as to ensure linearity in tone value.

    摘要翻译: 驱动在热敏头中排列成一行的多个发热电阻器(11a,11b),使得两个连续的发热电阻器(11a,11b)被组合以覆盖其每个基准表示其期望密度的单个图像元素。 提供一种磁头驱动电路,使得当所需密度低于预定值时,只有第一发热电阻器(11a)被激励,并且当所需密度(11a,11b)被激发时,第一和第二发热电阻器 等于或高于预定值。 第二发热电阻器(11b)的通电持续时间设定在第一发热电阻器(11a)的通电持续时间内,以减少打印时间,并且第二发热电阻器(11b)的通电持续时间结束, 对应于第一发热电阻器(11a)的通电持续时间的结束,以确保色调值的线性。

    Color correcting circuit for thermal printer selectively outputting a
second degree correction operation result and a modified result thereof
    6.
    发明授权
    Color correcting circuit for thermal printer selectively outputting a second degree correction operation result and a modified result thereof 失效
    用于热敏打印机的颜色校正电路选择性地输出第二度校正操作结果及其修改结果

    公开(公告)号:US4862255A

    公开(公告)日:1989-08-29

    申请号:US129046

    申请日:1987-12-07

    摘要: A color correcting circuit for thermal printer comprises a first circuit for obtaining a first degree correction operation result, a second circuit for obtaining a second degree correction operation result, and a difference limiting circuit for selectively outputting a correction data. The first degree correction operation makes the relationship between the density of an input image and the density of an output image linear for each primary color. The second degree correction operation reduces a difference between the density of the input image and the density of the output image by use of the method of least squares for each primary color. The difference limiting circuit selectively outputs as the correction data the second degree correction operation result when a difference between the first and second degree correction operation results falls within a predetermined range of a boundary value, and selectively outputs as the correction data a value which is deviated from the first degree correction operation result by the boundary value when the difference falls outside the predetermined range of the boundary value. The color correction of the input image is carried out based on the correction data outputted from the difference limiting circuit.

    摘要翻译: 一种用于热打印机的颜色校正电路包括用于获得第一度校正操作结果的第一电路,用于获得第二度校正操作结果的第二电路和用于选择性地输出校正数据的差分限制电路。 第一度校正操作使得输入图像的浓度和输出图像的浓度之间的关系对于每个基色是线性的。 第二度校正操作通过使用每种原色的最小二乘法来减少输入图像的浓度和输出图像的浓度之间的差异。 当第一和第二度校正操作结果之间的差值落在边界值的预定范围内时,差分限制电路选择性地输出作为校正数据的第二度校正操作结果,并且选择性地输出偏差的值作为校正数据 当差值超出边界值的预定范围时,从第一度校正运算结果乘以边界值。 输入图像的颜色校正基于从差分限制电路输出的校正数据进行。

    Thermal printing apparatus
    7.
    发明授权
    Thermal printing apparatus 失效
    热敏打印设备

    公开(公告)号:US5319391A

    公开(公告)日:1994-06-07

    申请号:US552271

    申请日:1990-07-13

    摘要: A thermal printing apparatus for printing input gradational images, characters and figures by using multilevel density which can appropriately regulate the levels of the densities representing the gradational images etc. to be printed by a linear thermal head having n heating resistors arranged in a line, the printing apparatus is provided with a density control unit for regulating, for example, the multilevel durations for energizing the heating resistors in accordance with n gradational printing data each corresponding to respective one of said resistors, and a data conversion unit, receiving a set of n original data for each line as the printing data, for producing p sets of n data for p split lines on the basis of the n original data, where p is an integer being equal to or greater than two, the p sets of n data being sequentially supplied to the density control unit set by set to print each line corresponding to the input gradational image, character and figure printing data as a plurality of split lines corresponding thereto, thereby increasing uniformity of density of print lines of pixels of the input gradational images, characters and figures by overlapping low density portions of dotes of adjacent split lines.

    摘要翻译: 一种热敏打印装置,用于通过使用多级密度来打印输入的渐变图像,字符和图形,其可以适当地调节表示等级图像的浓度的等级,以由具有排列成一行的n个加热电阻器的线性热敏头打印, 打印装置设置有密度控制单元,用于调节例如根据与各个所述电阻器相对应的n个等级打印数据激励加热电阻器的多级持续时间,以及数据转换单元,接收一组n 原始数据作为打印数据,用于基于n个原始数据产生p个分割行的p个数据集,其中p是等于或大于2的整数,n个数据的p个集合是 依次提供给通过设置设置的浓度控制单元将与输入的渐变图像相对应的每一行打印为字符和图形打印数据 多个对应的分割线,从而通过重叠相邻分割线的点的低密度部分来增加输入渐变图像,字符和图形的像素的打印线的浓度的均匀性。

    Thermal printing apparatus
    8.
    发明授权
    Thermal printing apparatus 失效
    热敏打印设备

    公开(公告)号:US5051755A

    公开(公告)日:1991-09-24

    申请号:US377999

    申请日:1989-07-11

    IPC分类号: B41J2/36 H04N1/40 H04N1/405

    摘要: A thermal printing apparatus prints input gradational images, characters and figures by using multilevel density regulates the levels of the densities representing the gradiational images etc. to be printed by a linear thermal head having n heating resistors arranged in a row. The printing apparatus is provided with a density control unit for regulating, for example, the multilevel durations for energizing the heating resistors in accordance with n gradational printing data each corresponding to a respective one of said resistors, and a data conversion unit, receiving as printing data a set of n original data for each a plurality of lines parallel with the row of n resistors, for producing p sets of n data for p split lines on the basis of the n original data, where p is an integer equal to or greater than two, each of the p split lines being disposed in an area in which the line corresponding to the printing data should be printed, in parallel with the row of n resistors, the p sets of n data being sequentially supplied to the density control unit set by set to print the original line corresponding to the printing data by printing the split lines corresponding to the original line split line by split line so by shifting the linear thermal head in a direction perpendicular to the row of n resistors every time each of the split lines is printed, that each of the n printing data is represented by p dots.

    摘要翻译: 热敏打印设备通过使用多级密度来对输入的渐变图像,字符和图形进行打印,调节由具有排列成一列的n个加热电阻器的线性热敏头打印的表示渐变图像等的浓度。 打印装置设置有密度控制单元,用于调节例如根据与各个所述电阻器相对应的n个等级打印数据激励加热电阻器的多级持续时间,以及数据转换单元,接收作为打印 数据一组n个原始数据,用于与n个电阻器行平行的多个行的每一行,用于基于n个原始数据产生p个分割行的p个数据集,其中p是等于或大于等于的整数 两个以上,每个p个分割线被布置在与n个电阻器的行并行地印刷与打印数据相对应的行的区域中,p个n个数据被依次提供给密度控制单元 通过设置来打印与打印数据相对应的原始行,通过分割线打印与原始分割线相对应的分割线,从而通过以直线形式移动线性热敏头 n每打印一次,每n个电阻线垂直于n行,n个打印数据中的每一个由p点表示。