公开(公告)号：US5686958A

公开(公告)日：1997-11-11

申请号：US536265

申请日：1995-09-29

申请人： Tetsuya Shibasaki ,  Fujio Okada ,  Nobuyuki Akai

发明人： Tetsuya Shibasaki ,  Fujio Okada ,  Nobuyuki Akai

IPC分类号： G02B23/24 ,  A61B1/04 ,  H04N5/21 ,  H04N7/18 ,  H04N9/64

CPC分类号： H04N9/646 ,  H04N5/21

摘要： An electronic endoscope apparatus has an illumination unit for irradiating light of red, light of green and light of blue on an object for photographing in predetermined order at a predetermined period; an image signal generation unit for receiving reflection light from the object, generating a field sequential image signal on the basis of the received reflection light and delivering the field sequential digital image signal; a first memory unit for forming a predetermined look up table; a red data memory unit for storing data of a red image signal by one field; a green data memory unit for storing data of a green image signal by one field; a blue data memory unit for storing data of a blue image signal by one field, one field from the first memory unit being stored in one of the data memory unit for red, green and blue in synchronism with the order and the predetermined period of color illumination by the illumination unit; a switching unit for reading data from one of said data memory unit in synchronism with the order and the period of color illumination by the illumination unit and supplying the data as an addressing data to the first memory unit; and a unit for reading data pieces representative of the red, green and blue image signals from the data memory units and synthesizing the data pieces to produce a color image signal.

摘要翻译： 电子内窥镜装置具有照射单元，用于以预定顺序在预定时间内将用于照射的红色，绿色和蓝色光的光照射在用于拍摄的物体上; 用于接收来自对象的反射光的图像信号生成单元，基于所接收的反射光产生场顺序图像信号并传送场序列数字图像信号; 用于形成预定查询表的第一存储单元; 红色数据存储单元，用于将红色图像信号的数据存储一个场; 绿色数据存储单元，用于将绿色图像信号的数据存储一个场; 蓝色数据存储单元，用于将蓝色图像信号的数据存储一个场，来自第一存储单元的一个场与序列和预定颜色周期同步地存储在红色，绿色和蓝色的数据存储单元之一中 由照明单元照明; 切换单元，用于与照明单元的顺序和颜色照明的周期同步地从所述数据存储单元之一读取数据，并将数据作为寻址数据提供给第一存储器单元; 以及用于从数据存储单元读取表示红色，绿色和蓝色图像信号的数据的单元并合成数据以产生彩色图像信号的单元。

公开(公告)号：US06421078B1

公开(公告)日：2002-07-16

申请号：US09502465

申请日：2000-02-11

申请人： Nobuyuki Akai ,  Kaneo Yajima

发明人： Nobuyuki Akai ,  Kaneo Yajima

IPC分类号： H04N718

CPC分类号： A61B1/045 ,  H04N7/183 ,  H04N9/735 ,  H04N2005/2255

摘要： An electronic endoscope system comprises an electronic endoscope unit equipped with a solid state image pickup element for providing electric signals of an object and a processing unit for processing the electric signals to video signals. During performing black balance adjustment, the processing unit interrupts only vertical transfer signals included in drive signals, vertical and horizontal drive signals, for driving the solid state image pickup element so as to cause the solid state image pickup element to provide electric signals at the same level as electric signals that the solid state image pickup element provides while it is in isolated from ambient light.

摘要翻译： 一种电子内窥镜系统，包括：电子内窥镜单元，配备有用于提供物体的电信号的固态摄像元件和用于将电信号处理为视频信号的处理单元。 在执行黑平衡调整期间，处理单元仅中断包括在驱动信号中的垂直传输信号，垂直和水平驱动信号，用于驱动固态图像拾取元件，以使固态图像拾取元件提供相同的电信号 作为固态摄像元件在与环境光隔离时提供的电信号。