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    Display-integrated type tablet device
    1.
    发明公开
    Display-integrated type tablet device 失效
    显示器集成型平板设备

    公开(公告)号：EP0843278A3

    公开(公告)日：1998-08-26

    申请号：EP98100532.5

    申请日：1993-05-21

    申请人： SHARP KABUSHIKI KAISHA

    发明人： Tagawa, Takao ,  Takahama, Kengo ,  Okamura, Kazunari ,  Kako, Noritoshi

    IPC分类号： G06K11/16

    CPC分类号： G06F3/0412

    摘要： A detection and hold circuit (24) outputs a reference signal having a level proportional to an x-coordinate detection pulse input from an X-coordinate signal amplifier (23). A delay element (25) delays the reference signal. An adder (26) adds the x-coordinate detection pulse from the X-coordinate signal amplifier (23) and a delayed signal from the delay element (25). Comparators (27) and (30) obtain a coordinate detection pulse making a detection signal from another detection and hold circuit (33) for an LCD voltage inversion pulse serve as a reference signal. Thus noise following the x-coordinate detection pulse is removed to generate a coordinate detection pulse with a reference value corresponding to the level of the LCD voltage inversion pulse to allow a stable coordinate detection to be achieved. A correction signal generation circuit (4) reads out correction data stored in an internal memory and transmits the data as a correction signal to a correction voltage generation circuit (5) in an x-coordinate detection period when the segment electrode (X) placed in the lower position is scanned. The correction voltage generation circuit (5) generates a correction voltage (V 1 ') for canceling a voltage induced at the common electrode (Y) placed in the upper position based on the input correction signal and a bias power source (V 1 ) input from a DC power supply circuit (6).

    摘要翻译： 检测和保持电路（24）输出具有与从X坐标信号放大器（23）输入的x坐标检测脉冲成比例的电平的基准信号。 延迟元件（25）延迟参考信号。 加法器（26）将来自X坐标信号放大器（23）的x坐标检测脉冲和来自延迟元件（25）的延迟信号相加。 比较器（27）和（30）获得使来自用于LCD电压反转脉冲的另一个检测和保持电路（33）的检测信号作为参考信号的坐标检测脉冲。 因此，除去x坐标检测脉冲之后的噪声被去除以产生具有与LCD电压反转脉冲的电平对应的参考值的坐标检测脉冲，以实现稳定的坐标检测。 校正信号生成电路（4）读出存储在内部存储器中的校正数据，并且当放置在分段电极（X）中时在x坐标检测时段中将该数据作为校正信号发送到校正电压生成电路（5） 扫描较低的位置。 校正电压生成电路（5）基于输入的校正信号和从第一输入端输入的偏置电源（V1），生成校正电压（V1'），用于抵消在位于较高位置的公共电极（Y）感应的电压 直流电源电路（6）。

    Image input device-integrated type display device
    3.
    发明公开
    Image input device-integrated type display device 失效
    安西格维里

    公开(公告)号：EP0601837A2

    公开(公告)日：1994-06-15

    申请号：EP93309832.9

    申请日：1993-12-07

    申请人： SHARP KABUSHIKI KAISHA

    发明人： Katagiri, Masayuki ,  Kako, Noritoshi ,  Tagawa, Takao

    IPC分类号： G06K11/06 ,  G06K11/08

    CPC分类号： G06F3/042 ,  G02F1/133526 ,  G02F1/135 ,  G09G3/02

    摘要： There is provided an image input device-integrated type display device concurrently having an image display function, a document image input function, and a pen input function. A common electrode (Y) of the image input device-integrated type display unit (1) is formed on a glass plate (28). A segment electrode (X) is formed on a micro lens (27) of a glass plate (29). An island electrode (23) located at each pixel is connected to the segment electrode (X) via a photoconductor (22). Liquid crystals (21) are interposed between the common electrode (Y) and the island electrode (23). In an image input mode, light reflected on a document is applied to the photoconductor (22) to control a voltage applied to the liquid crystals (21). In a pen input mode, light from an input pen is applied to the photoconductor (22) to control a voltage applied to the liquid crystals (21). In an image display mode, a voltage applied to the liquid crystals (21) is controlled according to image data of each pixel. Thus brightness data of the document, position data of the input pen, and image data corresponding to a display signal are written into the image input device-integrated type display unit (1).

    摘要翻译： 提供了一种同时具有图像显示功能，文档图像输入功能和笔输入功能的图像输入设备集成型显示设备。 图像输入装置一体型显示单元（1）的公共电极（Y）形成在玻璃板（28）上。 在玻璃板（29）的微透镜（27）上形成有段电极（X）。 位于每个像素处的岛状电极（23）经由光电导体（22）与分段电极（X）连接。 液体（21）介于公共电极（Y）和岛状电极（23）之间。 在图像输入模式中，将在原稿上反射的光施加到感光体（22）上以控制施加到液晶（21）的电压。 在笔输入模式中，将来自输入笔的光施加到感光体（22），以控制施加到液晶（21）的电压。 在图像显示模式中，根据每个像素的图像数据来控制施加到液晶（21）的电压。 因此，文件的亮度数据，输入笔的位置数据和对应于显示信号的图像数据被写入到图像输入装置集成型显示单元（1）中。

    Omni-azimuthal visual system
    4.
    发明公开
    Omni-azimuthal visual system 审中-公开
    全方位方位视觉系统

    公开(公告)号：EP1158474A3

    公开(公告)日：2003-04-16

    申请号：EP01304553.9

    申请日：2001-05-23

    申请人： SHARP KABUSHIKI KAISHA

    发明人： Kumata, Kiyoshi ,  Kako, Noritoshi

    IPC分类号： H04N7/18 ,  G08B15/00 ,  H04N5/225

    CPC分类号： H04N5/2628 ,  H04N5/2259

    摘要： An omniazimuthal visual system includes: an optical system capable of obtaining an image of 360° view field area therearound and capable of central projection transformation for the image; an imaging section for converting the image obtained through the optical system into image data; an image transformation section for transforming the image data into display data; a display section for displaying a transformed image based on the display data from the image transformation section; and a display control section for controlling the transformed image to be displayed on the display section, wherein the image transformation section includes at least one buffer memory for temporarily storing the image data and the display data, an arithmetic/logic circuit for performing coordinate transformation when the image data is transformed into the display data, a lookup table of a trigonometric function for use in the arithmetic/logic circuit, and a CPU for controlling the at least one buffer memory, the arithmetic/logic circuit, and the lookup table.

    Image processing apparatus
    7.
    发明公开
    Image processing apparatus 失效

    公开(公告)号：EP0433944A3

    公开(公告)日：1992-05-27

    申请号：EP90124438.4

    申请日：1990-12-17

    申请人： SHARP KABUSHIKI KAISHA

    发明人： Katagiri, Masayuki ,  Kako, Noritoshi ,  Noguchi, Yoji

    IPC分类号： H04N1/40 ,  G03B27/72

    CPC分类号： H04N1/407 ,  G02B5/32 ,  G02F1/135 ,  G02F2001/1357 ,  G03B27/725 ,  G03H1/0005 ,  G03H2001/261 ,  G03H2270/22 ,  H04N1/00249 ,  H04N1/10 ,  H04N1/113 ,  H04N1/508

    摘要： An image processing apparatus includes a light modulator (10), an analog writing system (11) for analogously writing an image of an original in the light modulator, a digital reading system (13) for digitally reading the written image out of the light modulator, a processing section (15) for processing the read image data, a digital writing system (14) for digitally writing the processed image in the light modulator, and an analog reading system (12) for analogously reading the image written on the light modulator. The light modulator includes a photoconductive material, a liquid crystal layer laminated on the photoconductive material, and a pair of electrodes sandwiching the photoconductive material and the liquid crystal layer. The liquid crystal layer can provide a storage function so as to enable the reading and writing of the image from the same direction.

    Image information display system
    8.
    发明公开
    Image information display system 失效
    图像信息显示系统

    公开(公告)号：EP0286413A3

    公开(公告)日：1988-12-21

    申请号：EP88303135

    申请日：1988-04-07

    申请人： SHARP KABUSHIKI KAISHA

    发明人： Aono, Tomoko ,  Noguchi, Yoji ,  Yamane, Yasukuni ,  Kako, Noritoshi

    IPC分类号： G09B05/02 ,  G06F15/62

    CPC分类号： G09B5/00

    摘要： This invention relates to an image information display system which has a digital image processing function and relates especially to an electronic presentation system which has a functioin to edit and prepare image data such as diagrams, photos and sentences, etc. used for so-called presentation in meetings, lectures, etc. and a display function.
    Specifically this invention provides an image information display system which can (1) display images for explaining about each image data on an image display means for the lecturer to shown clearly how to explain the lecture and allow him to select instantaneously desired image data watching the images on the image display means for the lecturer, (2) display the current time, time elapsed in the lecture, or remaining time, etc. by a clock function, and (3) allow a third person to evaluate the speed of speed of the lecture, attitude, loudness of voice, brightness, color, size, etc. of picture displayed on a large-size projector and display the message of the evaluation on the monitor for the lecturer.