Clam shell printer
    61.
    发明授权
    Clam shell printer 失效
    蛤壳式打印机

    公开(公告)号:US06088049A

    公开(公告)日:2000-07-11

    申请号:US15676

    申请日:1998-01-29

    Abstract: A printer for printing on an outer layer of a print medium on a print medium roll. The printer includes a base and a cover, which are pivotally coupled in a "clamshell" configuration for movement between a closed position in which the printhead is located in a printing position proximate the path of the media and an open position that is spaced from the printing position. The printer may use thermal or inkjet printing. The printer is used without a mechanical paper drive mechanism. The printer monitors movement of an outer wrap of the print medium as the print medium roll rotates in response to a user pulling print medium from the print medium roll. In one embodiment, the printer detects movement of the print medium with a metering roller and an optical rotation sensor. In another embodiment, the printer monitors movement of the print medium by detecting movement of index marks on the print medium. From the monitored movement of the print medium, the printer identifies a portion of the print medium aligned to the printhead and selects image portions to print in the identified portion. The printer then activates the printhead to print the selected image portions in the corresponding identified portion. A bias spring, together with movable mounting of the printhead, allows the printhead to remain engaged with the print medium as the radius of the print medium roll decreases as the print medium is dispensed.

    Abstract translation: 一种打印机,用于在打印介质卷上的打印介质的外层上进行打印。 打印机包括底座和盖,其以“蛤壳式”构造枢转地联接,用于在打印头位于靠近介质路径的打印位置中的关闭位置和与打印头间隔开的打开位置之间移动 打印位置。 打印机可能会使用热敏打印或喷墨打印。 使用打印机没有机械纸张驱动机构。 当打印介质辊响应于用户从打印介质辊拉取打印介质时,打印机监视打印介质的外部包装的运动。 在一个实施例中,打印机使用计量辊和光学旋转传感器检测打印介质的移动。 在另一个实施例中,打印机通过检测打印介质上的索引标记的移动来监视打印介质的移动。 从打印介质的监视的移动,打印机识别与打印头对准的打印介质的一部分,并选择在所识别的部分中打印的图像部分。 打印机然后激活打印头以在相应的识别部分中打印所选择的图像部分。 当打印介质被分配时,偏置弹簧与打印头的可移动安装一起允许打印头与打印介质保持接合,因为打印介质卷的半径减小。

    Printer with motion detection
    62.
    发明授权
    Printer with motion detection 失效
    带运动检测的打印机

    公开(公告)号:US5825995A

    公开(公告)日:1998-10-20

    申请号:US613325

    申请日:1996-03-11

    CPC classification number: B41J25/308 B41J2/16511 B41J3/36 G06F3/1297

    Abstract: A handheld printer is movable across a target object to print while moving in a desired printing field. The printer has a position detector and a microprocessor controller for detecting the position of a printing member and activating the printing member at a plurality of successive printing locations. The printer may use thermal or inkjet printing and has user feedback and input. A mechanical position detector enables the printer to be used without a mechanical paper drive mechanism. The printer allows image rotation under control of a four-position switch and scaling of the image using distance and printline based scaling. The printer may be controlled by an external controller through a cable or a remote signal source. An alternative embodiment of the printer uses a vacuum-type arrangement to attract and hold the printer to the surface being printed. The printer may be line or battery-powered. The printer scales the image according to a user-selected scaling factor or in response to a measured printing field.

    Abstract translation: 手持打印机可以在目标物体上移动,以便在期望的打印区域中移动时进行打印。 打印机具有位置检测器和微处理器控制器,用于在多个连续打印位置检测打印部件的位置并激活打印部件。 打印机可以使用热敏打印或喷墨打印,并具有用户反馈和输入。 机械位置检测器能够在没有机械纸张驱动机构的情况下使用打印机。 打印机允许在四位开关的控制下进行图像旋转,并且使用距离和基于印刷线的缩放来缩放图像。 打印机可以由外部控制器通过电缆或远程信号源进行控制。 打印机的替代实施例使用真空型布置来将打印机吸引并保持在被打印的表面上。 打印机可能是线路或电池供电的。 打印机根据用户选择的缩放因子或响应于测量的打印字段缩放图像。

    Printhead having multiple print lines, and method and apparatus for
using same
    63.
    发明授权
    Printhead having multiple print lines, and method and apparatus for using same 失效
    具有多个打印行的打印头,以及使用该印刷线的方法和装置

    公开(公告)号:US5675370A

    公开(公告)日:1997-10-07

    申请号:US156266

    申请日:1993-11-22

    Abstract: A printhead having multiple print lines of conventional design and a printhead control system for using the multiple print lines in a variety of operations. In one embodiment, the printhead control system prints an image by superimposing the printing from multiple print lines. In another embodiment, the image is printed by alternating the energization of one print line so that each print line is used to print only 1/3 of the image lines. As a result, the print lines are allowed a relatively long time to cool, thus allowing the printhead to be operated at a faster speed. In another embodiment, the printing elements of each print line print with a different image density, and images printed by superimposing the printing elements in the print lines with a variety of combinations depending upon the desired magnitude of the image density. In still another embodiment of the printhead control system, the resistance of each printing element is checked and, if found to be unacceptably high, corresponding printing elements of other print lines are used for printing.

    Abstract translation: 具有多个常规设计的打印线的打印头和用于在各种操作中使用多个打印线的打印头控制系统。 在一个实施例中,打印头控制系统通过从多个打印行叠加印刷来打印图像。 在另一个实施例中,通过交替的一个打印行的通电来打印图像,使得每个打印行仅用于打印图像行的+ E,fra 1/3 + EE。 结果,打印线允许相对长的时间冷却,从而允许打印头以更快的速度运行。 在另一个实施例中,每个打印行的打印元件以不同的图像浓度打印,并且通过根据图像浓度的期望大小以各种组合将打印元素叠加在打印行中来打印图像。 在打印头控制系统的另一个实施例中,检查每个印刷元件的电阻,并且如果发现其不可接受地高,则使用其它印刷线的相应印刷元件进行印刷。

    Method and apparatus for controlling a thermal printhead
    64.
    发明授权
    Method and apparatus for controlling a thermal printhead 失效
    用于控制热打印头的方法和装置

    公开(公告)号:US5623297A

    公开(公告)日:1997-04-22

    申请号:US088846

    申请日:1993-07-07

    CPC classification number: B41J2/365

    Abstract: A system for controlling the temperature of the printing elements of a thermal printhead. The printhead is provided with a plurality of spaced apart temperature sensor that measure the temperature at various locations on the printhead. A processor receiving outputs from the sensors determines the approximate temperature of each printing element based upon its proximity to at least one temperature sensor and the temperature sensor outputs. The processor then uses the approximate temperature of the printing elements to formulate either a strobe signal or a serial data stream that is applied to the respective printing element. Each printing element thus receives a quantity of energy that is a function of whether the printing element will contribute to the printing of an image during a scan line as well as the approximate temperature of the printing element.

    Abstract translation: 一种用于控制热打印头的打印元件的温度的系统。 打印头设置有多个间隔开的温度传感器,其测量打印头上各个位置处的温度。 从传感器接收输出的处理器基于其与至少一个温度传感器和温度传感器输出的接近度来确定每个打印元件的近似温度。 然后,处理器使用打印元件的近似温度来制定施加到相应打印元件的选通信号或串行数据流。 因此,每个打印元件接收一定量的能量,该能量是打印元件是否有助于在扫描行期间打印图像以及打印元件的近似温度的函数。

    Method of data handling and activating thermal print elements in a
thermal printhead
    65.
    发明授权
    Method of data handling and activating thermal print elements in a thermal printhead 失效
    在热打印头中数据处理和激活热打印元件的方法

    公开(公告)号:US5548688A

    公开(公告)日:1996-08-20

    申请号:US172859

    申请日:1993-12-23

    CPC classification number: B41J2/3555 B41J2/355

    Abstract: A method of supplying an energization signal to a selected element in an array of print elements. Printing activity of the selected element and neighboring elements is determined, compressed and stored to memory. Based on the stored compressed printing activity data, an energization schedule for the selected element is determined using a look-up table technique. The data in the look-up table may also be compressed reducing the memory required by the energization data. Further reductions in memory are achieved by grouping portions of the printing activity data to identify common energization schedules for differing printing activities. The printing activity data may relate to temporal distributions and/or spatial distributions of printing activity of elements in the array. The method may be applied to linear or two-dimensional arrays of print elements.

    Abstract translation: 向打印元件阵列中的选定元件提供通电信号的方法。 所选元素和相邻元素的打印活动被确定,压缩并存储到存储器中。 基于存储的压缩打印活动数据,使用查找表技术来确定所选元素的通电时间表。 查找表中的数据也可以被压缩,减少通电数据所需的存储器。 通过分组打印活动数据的部分来识别用于不同打印活动的共同通电时间表来实现存储器的进一步减少。 打印活动数据可以涉及阵列中元素的打印活动的时间分布和/或空间分布。 该方法可以应用于打印元件的线性或二维阵列。

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