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    • 51. 发明授权
    • Printer and method for printing indicia on a compact disk using a plurality of ink jet or laser rotatable print heads
    • 使用多个喷墨或激光可旋转打印头在光盘上打印标记的打印机和方法
    • US06202550B1
    • 2001-03-20
    • US09223258
    • 1998-12-30
    • Yung-Rai LeeConstantine N. AnagnostopoulosAlfred J. Amell
    • Yung-Rai LeeConstantine N. AnagnostopoulosAlfred J. Amell
    • B41J2455
    • B41J3/4071
    • A printer and method for printing indicia on a disk. According to an embodiment of the invention, a printer comprises a plurality of elongate print heads arranged orthogonally with respect to each other about a center axis defined between the print heads. The print heads are capable of printing indicia on a disk having an annular printing area. The disk may be a recordable compact disk or a read-only memory compact disk, if desired. The print heads may be coupled to a rotatable hub centered at the center axis, such that the print heads extend radially outwardly from the hub. A motor is coupled to the hub for rotating the hub, so that the print heads rotate in unison about the center axis as the hub rotates. A controller coupled to the motor and print heads synchronously control operation of the motor and print heads. In this configuration of the invention, the print heads rotate while the disk is stationary.
    • 用于在盘上打印标记的打印机和方法。 根据本发明的实施例,打印机包括多个相对于彼此正交地布置的细长打印头,该打印头围绕限定在打印头之间的中心轴线。 打印头能够在具有环形打印区域的盘上打印标记。 如果需要,磁盘可以是可记录的光盘或只读存储器光盘。 打印头可以联接到以中心轴线为中心的可旋转轮毂,使得打印头从轮毂径向向外延伸。 电动机联接到毂以旋转毂,使得当轮毂旋转时,打印头围绕中心轴线一致地旋转。 耦合到马达和打印头的控制器同步地控制马达和打印头的操作。 在本发明的这种配置中,打印头在盘静止时旋转。
    • 52. 发明授权
    • Ink jet printing with multiple drops at pixel locations for gray scale
    • 在像素位置进行多次滴墨的喷墨印刷用于灰度级
    • US6089692A
    • 2000-07-18
    • US907610
    • 1997-08-08
    • Constantine N. Anagnostopoulos
    • Constantine N. Anagnostopoulos
    • B41J2/14B41J2/205
    • B41J2/2054B41J2/14137
    • An ink jet printing apparatus is disclosed for producing gray scale image pixels on a received recording medium includes a plurality of electrical pulse activated ink-ejecting nozzles forming a one-dimensional array in a first direction. A plurality of nozzle control circuits apply electrical pulses to selected nozzles of the array so that each selected nozzle will deposit ink droplets on a received recording medium. A transport mechanism provides relative movement between the nozzle array and the medium in a second direction generally normal to the first direction. A transport mechanism control system provides intermittent relative movement between the nozzle array and the medium, and repeatedly pauses the relative movement while a plurality of droplets are selectively deposited by each nozzle of the array, whereby a pixel is formed having a gray scale level equal to the number of nozzles in the array multiplied by the number of pauses multiplied by the number of droplets that are selectively deposited by each nozzle during each pause, including zero droplets.
    • 公开了一种用于在接收的记录介质上产生灰度图像像素的喷墨打印设备,包括在第一方向上形成一维阵列的多个电脉冲激活喷墨喷嘴。 多个喷嘴控制电路将电脉冲施加到阵列的选定喷嘴,使得每个选定的喷嘴将墨滴沉积在接收的记录介质上。 输送机构在大致垂直于第一方向的第二方向上提供喷嘴阵列和介质之间的相对移动。 运输机构控制系统提供喷嘴阵列和介质之间的间歇性相对运动,并且在阵列的每个喷嘴选择性地沉积多个液滴的同时重复地暂停相对运动,由此形成具有等于 阵列中的喷嘴数乘以暂停次数乘以在每个暂停期间由每个喷嘴选择性地沉积的液滴的数量,包括零液滴。
    • 54. 发明授权
    • Printer having mechanically-assisted ink droplet separation and method
of using same
    • 具有机械辅助墨滴分离的打印机及其使用方法
    • US6065825A
    • 2000-05-23
    • US969299
    • 1997-11-13
    • Constantine N. AnagnostopoulosJames M. ChwalekJohn A. LebensChristopher N. DelametterWalter S. Stevens
    • Constantine N. AnagnostopoulosJames M. ChwalekJohn A. LebensChristopher N. DelametterWalter S. Stevens
    • B41J2/005B41J2/14G01D15/18
    • B41J2/14451B41J2002/0055B41J2202/02
    • A printer having mechanically-assisted ink droplet separation and method of using same, for separating an ink meniscus from an ink nozzle orifice while clearing-away particulate matter from about the orifice. In a preferred embodiment of the invention, a heater surrounds an orifice formed by the nozzle, the orifice having an ink meniscus residing therein. As the heater heats the ink meniscus, surface tension of the ink meniscus decreases, thereby causing the ink meniscus to extend outwardly from the orifice to define an extended ink meniscus. A cutter, which is disposed near the orifice, includes a plate member disposed opposite an outside surface of the nozzle so as to define a passage between the outside surface and the plate member. The plate member has an opening aligned with the orifice and in communication with the passage. A gas pressure regulator in communication with the passage supplies pressurized gas into the passage, which gas flows along the passage an through the opening. As the gas flows through the opening, it impinges the extended ink meniscus to separate the extended ink meniscus from the orifice. As the extended ink meniscus separates from the orifice, it forms an ink droplet that travels to a receiver medium, so that an ink spot is placed onto the receiver medium. Moreover, as the gas flows through the opening, the gas clears-away particulate matter from about the orifice.
    • 一种具有机械辅助墨滴分离的打印机及其使用方法,用于从墨喷嘴孔口分离墨水弯月面,同时从孔口周围清除颗粒物质。 在本发明的优选实施例中,加热器围绕由喷嘴形成的孔口,孔口具有驻留在其中的墨水弯月面。 当加热器加热油墨弯月面时,油墨弯月面的表面张力减小,从而使油墨弯月面从孔口向外延伸以限定延伸的油墨弯液面。 设置在孔口附近的切割器包括与喷嘴的外表面相对设置的板构件,以在外表面和板构件之间限定通道。 板构件具有与孔口对准并与通道连通的开口。 与通道连通的气体压力调节器将加压气体供应到通道中,该气体沿着通道A流过开口。 当气体流过开口时,其撞击延伸的墨水弯液面以将延伸的墨水弯液面与孔口分离。 随着延伸墨水弯月面与孔口分离,它形成一个墨滴,传送到接收介质,使得墨点被放置在接收介质上。 此外,当气体流过开口时,气体从孔口周围清除颗粒物质。
    • 55. 发明授权
    • Antiblooming structure for solid-state image sensor
    • 固态图像传感器的抗隆起结构
    • US5349215A
    • 1994-09-20
    • US95504
    • 1993-07-23
    • Constantine N. AnagnostopoulosWin-Chyi ChangEric G. StevensGeorgia R. Torok
    • Constantine N. AnagnostopoulosWin-Chyi ChangEric G. StevensGeorgia R. Torok
    • H01L27/148H01L27/14
    • H01L27/14887
    • Solid-state image sensors, in general, comprise a photodetector for detecting radiation from the image and converting the radiation to charge carriers, and transfer means for carrying the charge carriers to an output circuit. One type of solid-state image sensor uses a CCD as both the photodetector and the transfer means. The solid-state image sensor generally includes a plurality of the CCD's arranged in spaced parallel relation to form an array. The image sensor of this disclosure utilizes only one antiblooming lateral overflow barrier. The excess signal charge of phase 1 flows into the preceding phase 2 and is saved. This eliminates the overflow barrier of phase 1 so that blooming protection is via the overflow barrier of the preceding phase 2. This results in an image sensor with blooming protection and increased charge capacity.
    • 固态图像传感器通常包括用于检测来自图像的辐射并将辐射转换为电荷载流子的光电检测器,以及用于将电荷载体携带到输出电路的转移装置。 一种类型的固态图像传感器使用CCD作为光电检测器和转印装置。 固态图像传感器通常包括以间隔开的平行关系布置的多个CCD,以形成阵列。 本公开的图像传感器仅使用一个防侧向横向溢流屏障。 相1的过量信号电荷流入前一相2并被保存。 这消除了相1的溢出屏障,使得起霜保护通过前一相2的溢流屏障。这导致具有防霜保护和增加充电容量的图像传感器。
    • 56. 发明授权
    • Image sensor and rangefinder device having background subtraction with
bridge network
    • 具有桥接网络背景减影的图像传感器和测距仪
    • US4490037A
    • 1984-12-25
    • US409257
    • 1982-08-18
    • Constantine N. AnagnostopoulosLee F. Frank
    • Constantine N. AnagnostopoulosLee F. Frank
    • G01C3/06G01B11/00G01C3/00G01S17/08G01C3/10G03B7/08
    • H04N3/1512G01S17/08
    • A rangefinder device includes means for projecting a beam of light to illuminate a small area on an object in a scene, an array of photosensors for sensing an image of the scene, and signal processing means responsive to the photosignals from the photosensors for determining the relative location of the illuminated small area in the image of the scene. The rangefinder device includes an image sensor having means for removing the contribution due to ambient scene illumination from the photosignals. The image sensor includes a plurality of photosensitive elements, comprising a photosensor, a charge storage element and a bridge network of switches arranged for selectively connecting the photosensor to the charge storage element in such a manner as to selectively add photocurrent to the storage element or to remove photocurrent from the storage element. The rangefinder device is first operated with the light beam on and the bridge networks connected to add photocurrent to the storage elements. The device is then operated with the light beam off and the bridge networks connected to remove photocurrent from the storage elements. The difference signals remaining in the storage elements are free from contributions due to ambient scene illumination.The image sensor includes an analog shift register for receiving the difference signals in parallel from the storage elements and delivering them serially to a peak detector circuit. The peak detector circuit locates the position of the illuminated small area by sensing the maximum difference signal in a series.
    • 测距装置包括用于投射光束以照亮场景中的物体上的小区域的装置,用于感测场景的图像的光电传感器阵列,以及响应于来自光电传感器的光信号的信号处理装置,用于确定相对 照明小区域在场景图像中的位置。 测距装置包括具有用于从光信号去除由于环境场景照明的贡献的装置的图像传感器。 图像传感器包括多个感光元件,包括光电传感器,电荷存储元件和布置成用于选择性地将光电传感器连接到电荷存储元件的开关的桥接网络,以便选择性地向存储元件添加光电流,或者 从存储元件中清除光电流。 首先,测距仪设备通过光束进行操作,桥接网络连接以向存储元件添加光电流。 然后在关闭光束的情况下操作设备,并连接桥接网络以从存储元件去除光电流。 由于环境场景照明,剩余在存储元件中的差分信号没有贡献。 图像传感器包括模拟移位寄存器,用于从存储元件并行地接收差分信号并将其串行地传送到峰值检测器电路。 峰值检测器电路通过感测一系列的最大差分信号来定位照明的小区域的位置。
    • 57. 发明授权
    • Image sensor and rangefinder device having background subtraction with
paired analog shift registers
    • 具有配对模拟移位寄存器的背景减影的图像传感器和测距仪
    • US4490036A
    • 1984-12-25
    • US409256
    • 1982-08-18
    • Constantine N. Anagnostopoulos
    • Constantine N. Anagnostopoulos
    • G01C3/06G01B11/00G01C3/00G01S17/08G01S17/46G02B7/32H01L27/148G01C3/10G03B7/08
    • G02B7/32G01S17/46H01L27/14825
    • A rangefinder device includes means for projecting a beam of light to illuminate a spot on an object in a scene, an image sensor for sensing an image of the scene, and signal processing means responsive to signals produced by the image sensor for determining the relative location of the illuminated spot in the image of the scene to determine the distance to the object. The rangefinder device features means for removing the contribution due to ambient scene illumination from the photosignals, including an improved image sensor having an array of photosensors and a pair of analog shift registers for receiving the photosignals from the array of photosensors. One of the analog shift registers receives photosignals from the photosensor array when the beam is turned off, and the other analog shift register receives photosignals from the array when the beam is turned on. The shift registers are read out simultaneously and the signals therefrom are differenced to yield a series of photosignals free from background scene information. The difference signals are supplied serially to a peak detector to determine the location of the illuminated spot. In a preferred embodiment, the rangefinder is designed to operate from a single low voltage power source.
    • 测距装置包括用于投射光束以照亮场景中的物体上的斑点的装置,用于感测场景的图像的图像传感器以及响应于由图像传感器产生的信号以确定相对位置的信号处理装置 的场景的图像中的照明斑点以确定到物体的距离。 测距装置具有用于从光信号中去除由于环境场景照明引起的贡献的装置,包括具有光电传感器阵列的改进的图像传感器和用于从光电传感器阵列接收光信号的一对模拟移位寄存器。 其中一个模拟移位寄存器在光束关闭时从光电传感器阵列接收光信号,另一个模拟移位寄存器在光束打开时从阵列接收光信号。 移位寄存器被同时读出并且其信号被差分以产生一系列没有背景场景信息的光信号。 差分信号被串行提供给峰值检测器以确定照明光斑的位置。 在优选实施例中,测距仪设计成从单个低压电源操作。