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    • 4. 发明授权
    • System and method of improving intensity control of laser diodes using back facet photodiode
    • 使用背面光电二极管改善激光二极管强度控制的系统和方法
    • US06347107B1
    • 2002-02-12
    • US09115748
    • 1998-07-15
    • James E. RoddyNelson A. Blish
    • James E. RoddyNelson A. Blish
    • H01S500
    • H01S5/028H01S5/02248H01S5/0283H01S5/0287H01S5/0683
    • A system and method of controlling laser power output levels includes a laser (9) and a control circuit (27) for energizing the laser. A sensor (11) that measures power output from a back facet of a laser element (17) of the laser provides feedback to the control circuit so as to maintain power output from the laser constant. The back facet of the laser element is covered with a coating that has transmission and reflection characteristics that are relatively insensitive to minor changes in the wavelength of the laser. The coating is preferably a thin metallic layer which provides a constant and adequate reflectivity and low transmittance. With the specific metallic layer on the back facet, the transmittance remains relatively consistent even when there is a change in wavelength. This provides for consistent readings at the sensor.
    • 控制激光功率输出电平的系统和方法包括用于激励激光器的激光器(9)和控制电路(27)。 测量从激光元件(17)的背面输出功率的传感器(11)向控制电路提供反馈,以保持激光器的功率输出恒定。 激光元件的背面覆盖有具有对激光波长的微小变化相对不敏感的透射和反射特性的涂层。 涂层优选是提供恒定且足够的反射率和低透射率的薄金属层。 利用背面上的特定金属层,即使当波长发生变化时,透射率也保持相对一致。 这提供了传感器上一致的读数。
    • 6. 发明申请
    • METHOD OF PRINTING A PANORAMIC PRINT
    • 打印全景打印的方法
    • US20140118757A1
    • 2014-05-01
    • US13663882
    • 2012-10-30
    • Donald S. RimaiGary P. LawniczakNelson A. Blish
    • Donald S. RimaiGary P. LawniczakNelson A. Blish
    • G06K15/02
    • H04N5/23238G06F3/128G06K19/06009G06T3/4038H04N1/387
    • A method of making a panoramic image includes capturing a first image (30) defining a first overlap region (115) capturing a second image (40), and defining a second overlap region (215). Two points (150, 151) in the first overlap region are identified and a first vector (175) overlap region connecting the two points is defined. Two points (250, 251) in the second overlap region which correspond to the two points in the first overlap region are identified and a second vector (275) the two points is defined. If points in the first vector match points in the second vector, determine if the first and second vectors are parallel. If the vectors are not parallel, rotate the second vector image until the second vector is parallel to the first vector.
    • 制作全景图像的方法包括捕获限定捕获第二图像(40)的第一重叠区域(115)并限定第二重叠区域(215)的第一图像(30)。 识别第一重叠区域中的两个点(150,151),并且定义连接两个点的第一向量(175)重叠区域。 识别与第一重叠区域中的两个点对应的第二重叠区域中的两个点(250,251),并且定义两个点的第二向量(275)。 如果第一个矢量中的点与第二个矢量中的点匹配,则确定第一个和第二个矢量是否是平行的。 如果矢量不平行,则旋转第二矢量图像直到第二矢量平行于第一矢量。
    • 9. 发明授权
    • Printer for recording on a moving medium
    • 用于在移动介质上记录的打印机
    • US07586507B2
    • 2009-09-08
    • US11733877
    • 2007-04-11
    • Scott P. MacKenzieNelson A. Blish
    • Scott P. MacKenzieNelson A. Blish
    • B41J2/385B41J2/455B41J2/47B41J2/435
    • H04N1/40025H04N1/04
    • A method for forming a pixel (20) having a predetermined density onto a sensitized recording medium moving in a length direction energizes a pixel exposure source (14) to begin exposure at the leading edge (34) of a pixel (20) and for a first predetermined time interval. The pixel exposure source (14) is de-energized for a period depending on the predetermined density and on media transport speed, then re-energized at the termination of the period. The pixel exposure source (14) is then de-energized at the end of a second predetermined time interval to terminate exposure at the trailing edge (36) of the pixel (20), whereby spatial dimensions of each pixel (20) are maintained at variable transport speed or density of pixel (20).
    • 用于将具有预定浓度的像素(20)形成在沿着长度方向移动的敏化记录介质上的方法激励像素曝光源(14),以在像素(20)的前沿(34)处开始曝光,并且为 第一预定时间间隔。 像素曝光源(14)根据预定的浓度和介质传输速度断电一段时间,然后在该周期结束时重新通电。 然后,在第二预定时间间隔结束时,使像素曝光源(14)断电,以终止在像素(20)的后缘(36)处的曝光,由此将每个像素(20)的空间尺寸维持在 可变传送速度或像素(20)的密度。