Method of driving fluorescent print head and image forming apparatus

    公开(公告)号:US06664997B2

    公开(公告)日:2003-12-16

    申请号:US10115975

    申请日:2002-04-05

    IPC分类号: H01J162

    CPC分类号: B41J2/4476

    摘要: A fluorescent print head driving method is provided wherein an operational lifetime is improved by reducing the evaporation amount of Ba contained in an electron emitter material of a filament cathode and suppressing the deterioration of the luminous efficiency. In the pre-luminous period T1 during which luminous dots glow before forming an image on a recording medium, a grid voltage is controlled to be a predetermined voltage of a rated value or less and a filament voltage is controlled to a predetermined voltage of a rated value or less. In the print luminous period T2 during which luminous dots glow before forming an image on a recording medium, a grid voltage blank period is created corresponding to a luminous blank period between glow states during which an anode voltage is written for one line on the recording medium. The anode voltage and the grid voltage are controlled to be a rated voltage with a duty ratio corresponding to a blank period. Thus, the filament voltage is controlled to be a predetermined voltage of a rated value or less.

    Field emission print head
    3.
    发明授权
    Field emission print head 失效
    场排放打印头

    公开(公告)号:US5854650A

    公开(公告)日:1998-12-29

    申请号:US671193

    申请日:1996-06-27

    CPC分类号: H01J31/15 B41J2/4476

    摘要: Field-emitted electrons are converged by a structure according to the present invention in which odd order gate lines are connected to a first gate lead electrode, while even order gate lines are connected to a second gate lead electrode. When the first gate lead electrode is selected and operated, the potential of the second gate lead electrode is made to be a low level. Since the odd order gate line is disposed between low level even order gate lines, emitted electrons can be converged. When the second gate lead electrode is selected and operated, a contrary process is performed so that emitted electrons are converged. Each gate line has three dot-like field emission arrays, which correspond to red, green and blue color components, so that color image apparatus is structured.

    摘要翻译: 场发射电子通过根据本发明的结构会聚,其中奇数阶栅极线连接到第一栅极引线电极,而偶数阶栅极线连接到第二栅极引线电极。 当选择并操作第一栅极引线电极时,使第二栅极引线电极的电位为低电平。 由于奇数级栅极线设置在低电平偶数阶栅极线之间,所以发射的电子可以会聚。 当选择和操作第二栅极引线电极时,执行相反的处理,使得发射的电子会聚。 每个栅极线具有三个点状场发射阵列,其对应于红色,绿色和蓝色分量,使得彩色图像装置被构造。

    Optical write element
    4.
    发明授权
    Optical write element 失效
    光写元件

    公开(公告)号:US5847745A

    公开(公告)日:1998-12-08

    申请号:US609543

    申请日:1996-03-01

    CPC分类号: B41J2/4476 H01J31/15

    摘要: An optical write element is adapted to be used in an image writing device to form a visual or latent image on a recording medium. The optical write element comprises a rectangular casing having an interior maintained in a high vacuum condition, at least one light-emitting dot array composed of multiple fluorescent light-emitting dots attached along the length of a substrate as part of the casing, at least one cathode placed above the light-emitting dot array, and a pair of shielding members placed over the outside of the light-emitting dot array.

    摘要翻译: 光学写入元件适于在图像写入装置中使用以在记录介质上形成视觉或潜像。 光学写入元件包括具有保持在高真空状态的内部的矩形壳体,至少一个发光点阵列,其由沿着作为壳体的一部分的基板的长度附接的多个荧光发光点组成,至少一个 放置在发光点阵列上方的阴极和放置在发光点阵列外侧的一对屏蔽构件。

    Electron tubes
    5.
    发明授权
    Electron tubes 失效
    电子管

    公开(公告)号:US07518301B2

    公开(公告)日:2009-04-14

    申请号:US11035545

    申请日:2005-01-14

    IPC分类号: H01J1/18

    CPC分类号: H01J31/126 H01J1/18 H01J1/88

    摘要: In an electron tube including vibration absorbers for linear members such as filaments, a vibration absorbing means that is made of a vibration absorber with a large vibration absorption effect, has a simple configuration, and is attachable easily to filaments is provided. The vibration absorbing means is formed of a holder 231, a vibration absorber 241, and a getter shielding member 251. These three members are attached to a shielding electrode S overlying the front substrate 111 to dispose the vibration absorber 241 between the holder 231 and getter shielding member 251. The vibration absorber 241 is mounted to slide or rotate between the holder 231 and the getter shielding member 251. The vibration absorber 241 has an aperture 2413 in which the filament is engaged. The bottom (apex) of the aperture 2413 is formed eccentrically. The vibration absorber 241 is in line contact with the shielding electrode S, as shown in FIG. 3(c).

    摘要翻译: 在包括诸如长丝的线性元件的减振器的电子管中,提供一种由具有大的振动吸收效果的减震器制成的振动吸收装置,具有简单的结构,并且易于连接到细丝上。 振动吸收装置由保持器231,减震器241和吸气剂遮蔽构件251构成。这三个构件安装在覆盖在前基板111上的屏蔽电极S上,以将振动吸收器241设置在保持器231和吸气剂 振动吸收器241被安装成在保持器231和吸气剂屏蔽构件251之间滑动或旋转。减振器241具有一个孔2413,细丝在其中接合。 孔2413的底部(顶点)偏心地形成。 如图1所示,振动吸收器241与屏蔽电极S线接触。 图3(c)。

    Fluorescent printer head
    6.
    发明授权
    Fluorescent printer head 失效
    荧光打印机头

    公开(公告)号:US5907349A

    公开(公告)日:1999-05-25

    申请号:US845140

    申请日:1997-04-21

    IPC分类号: B41J2/44 B41J2/447 H01J1/52

    CPC分类号: B41J2/4476

    摘要: A fluorescent printer head capable of being subject to dynamic driving to reduce the number of ICs required. A shield electrode is provided between anode arrays having anode dots arranged in an offset manner and control electrodes are respectively arranged for the anode arrays. The anode arrays are subject to dynamic driving and selected by the control electrodes. Such construction of the fluorescent printer head ensures smooth selection of the anode arrays during the dynamic driving. Also, it eliminates non-uniformity in luminance of the anode dots of the anode arrays and accomplishes downsizing of the printer head and a reduction in manufacturing cost thereof due to a reduction in the number of ICs required.

    摘要翻译: 能够进行动态驱动的荧光打印头,以减少所需的IC数量。 在阳极阵列之间提供屏蔽电极,阳极阵列以偏移方式布置,阳极阵列分别布置有控制电极。 阳极阵列经受动态驱动并由控制电极选择。 荧光打印机头的这种结构确保在动态驱动期间平滑地选择阳极阵列。 此外,消除了阳极阵列的阳极点的亮度不均匀,并且由于所需的IC数量的减少,实现了打印头的小型化以及其制造成本的降低。

    Electron tubes
    7.
    发明申请
    Electron tubes 失效
    电子管

    公开(公告)号:US20050156498A1

    公开(公告)日:2005-07-21

    申请号:US11035545

    申请日:2005-01-14

    CPC分类号: H01J31/126 H01J1/18 H01J1/88

    摘要: In an electron tube including vibration absorbers for linear members such as filaments, a vibration absorbing means that is made of a vibration absorber with a large vibration absorption effect, has a simple configuration, and is attachable easily to filaments is provided. The vibration absorbing means is formed of a holder 231, a vibration absorber 241, and a getter shielding member 251. These three members are attached to a shielding electrode S overlying the front substrate 111 to dispose the vibration absorber 241 between the holder 231 and getter shielding member 251. The vibration absorber 241 is mounted to slide or rotate between the holder 231 and the getter shielding member 251. The vibration absorber 241 has an aperture 2413 in which the filament is engaged. The bottom (apex) of the aperture 2413 is formed eccentrically. The vibration absorber 241 is in line contact with the shielding electrode S, as shown in FIG. 3(c).

    摘要翻译: 在包括诸如长丝的线性元件的减振器的电子管中,提供一种由具有大的振动吸收效果的减震器制成的振动吸收装置,具有简单的结构,并且易于连接到细丝上。 振动吸收装置由保持件231,减振器241和吸气剂屏蔽构件251构成。 这三个构件附接到覆盖在前基板111上的屏蔽电极S,以将振动吸收器241设置在保持器231和吸气剂屏蔽构件251之间。 安装振动吸收器241以在保持器231和吸气剂屏蔽构件251之间滑动或旋转。 振动吸收器241具有接合灯丝的孔2413。 孔2413的底部(顶点)偏心地形成。 如图1所示,振动吸收器241与屏蔽电极S线接触。 图3(c)。

    Optical printer head and optical printer
    8.
    发明授权
    Optical printer head and optical printer 有权
    光学打印头和光学打印机

    公开(公告)号:US06191805B1

    公开(公告)日:2001-02-20

    申请号:US09239552

    申请日:1999-01-29

    IPC分类号: B41J1514

    CPC分类号: B41J2/4476

    摘要: A printer head capable of increasing intensity of dot-like light irradiated onto a record medium without requiring to increase a drive voltage or the number of printer heads arranged. The optical printer head includes a luminous element including two luminous dot arrays arranged in parallel to each other at a predetermined interval in a sub-scanning direction. The luminous dot arrays each are constituted of a plurality of luminous dots which have a dimension in the sub-scanning direction increased by a predetermined magnification as compared with that in a main scanning direction and are spaced from each other at identical intervals in the main scanning direction. The luminous dots of the two luminous dot arrays are arranged in an offset manner while being deviated from each other in the main scanning direction by a distance equal to the dimension thereof in the main scanning direction. Also, a reduction optical system is arranged for carrying out irradiation of light emitted from the luminous dots while reducing a dimension of the light in the sub-scanning direction by a reciprocal of the predetermined magnification.

    摘要翻译: 一种能够增加照射到记录介质上的点状光的强度的打印头,而不需要增加驱动电压或布置的打印机头的数量。 光学打印机头包括在副扫描方向上以预定间隔彼此平行地布置的两个发光点阵列的发光元件。 发光点阵列各自由多个发光点构成,该多个发光点在副扫描方向上的尺寸与主扫描方向相比增加了预定的倍率,并且在主扫描中以相同的间隔彼此间隔开 方向。 两个发光点阵列的发光点以偏移方式布置,同时在主扫描方向上彼此偏离与主扫描方向上的尺寸相等的距离。 此外,还原光学系统被布置成用于在通过预定倍率的倒数减小副扫描方向上的光的尺寸的同时,进行从发光点发射的光的照射。

    Photographic recording apparatus
    9.
    发明授权
    Photographic recording apparatus 失效
    照相记录装置

    公开(公告)号:US5933181A

    公开(公告)日:1999-08-03

    申请号:US623845

    申请日:1996-03-29

    摘要: A photographic recording apparatus capable of being small-sized and simplified in structure and reducing color aberration of an optical system. A refractive index distribution type lens array has a central axis arranged perpendicularly to a light emission direction of a fluorescent luminous tube. Light emitted from the fluorescent luminous tube passes through red (R), green (G) and blue (B) color filters, is incident on the lens array, is reflected on a first mirror and then is guided to a color film, resulting in forming an image on the color film. The fluorescent luminous tube is driven depending on data on R, G and B colors and the whole apparatus is moved with respect to the color film. The color filters are changed over and scan of the color film is carried out three times, so that an image of R, G and B colors may be formed on the color film.

    摘要翻译: 一种照相记录装置,其能够小型化并且简化了结构并降低了光学系统的色差。 折射率分布型透镜阵列具有垂直于荧光发光管的发光方向排列的中心轴。 从荧光发光管发出的光通过红色(R),绿色(G)和蓝色(B)滤色器,入射到透镜阵列上,在第一反射镜上反射,然后被引导到彩色胶片,导致 在彩色胶片上形成图像。 荧光发光管根据R,G和B颜色的数据驱动,整个装置相对于彩色胶片移动。 滤色器被切换并且彩色胶片的扫描进行三次,从而可以在彩色胶片上形成R,G和B颜色的图像。