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    • 61. 发明授权
    • Image pickup device with reduced fixed pattern noise
    • 具有降低固定图案噪声的图像拾取装置
    • US4857996A
    • 1989-08-15
    • US925215
    • 1986-10-31
    • Yoshiaki HiranoTeruo Hieda
    • Yoshiaki HiranoTeruo Hieda
    • G11C27/02G11C27/04H04N5/335H04N5/365H04N5/3725H04N5/3728H04N5/378
    • H04N5/2173G11C27/04
    • An image pickup device for generating three pulses 120 degrees out of phase with one another and having the same period, to clamp, sample and hold, and reset an image signal output from an image pickup element. The pulse width of the sample and hold pulse is less than one third of the period. The image signal is read from the image pickup element using three transfer pulses 120 degrees out of phase with one another and having the same period. Each of the transfer pulses is less in width than one third of the period, and also serves as a timing signal for sampling and holding the image signal. In one embodiment, the image pickup device may have three read-out devices for reading out three horizontal lines at one time (not, however, in phase), with a separate train of transfer pulses being used for each of the three lines.
    • 一种图像拾取装置,用于产生彼此相差120度并且具有相同周期的三个脉冲,用于钳位,采样和保持并复位从图像拾取元件输出的图像信号。 采样和保持脉冲的脉冲宽度小于周期的三分之一。 图像信号从图像拾取元件读取,使用彼此相位为120度并且具有相同周期的三个传送脉冲。 每个传送脉冲的宽度小于周期的三分之一,并且还用作用于采样和保持图像信号的定时信号。 在一个实施例中,图像拾取装置可以具有三个读出装置,用于一次读取三条水平线(而不是相位),其中三条线中的每一条都使用单独的传输脉冲序列。
    • 64. 发明授权
    • Camera apparatus and image processing system with variable resolution
    • 相机设备和具有可变分辨率的图像处理系统
    • US07274389B1
    • 2007-09-25
    • US09058204
    • 1998-04-10
    • Teruo Hieda
    • Teruo Hieda
    • H04N5/225H04N5/232H04N7/12H04N11/02
    • H04N19/59H04N5/232
    • In an image capture apparatus, the data rate of image data output from the image capture device is changed by calculating a first data rate of the image data according to a first size of a variable display area that displays the image data. Information indicating the calculated first data rate is sent to the image capture apparatus. The size of the variable display area is changed to a second size responsive to a user command and a second data rate of the image data is calculated according to the second size. Information indicating the calculated second data rate is sent to image capture device.
    • 在图像拍摄装置中,通过根据显示图像数据的可变显示区域的第一尺寸计算图像数据的第一数据速率来改变从图像捕获装置输出的图像数据的数据速率。 指示计算出的第一数据速率的信息被发送到图像捕获装置。 响应于用户命令,可变显示区域的大小被改变为第二大小,并且根据第二大小来计算图像数据的第二数据速率。 指示计算出的第二数据速率的信息被发送到图像捕获装置。
    • 69. 发明授权
    • Digital video camera with electronic zoom
    • 电子变焦数码摄像机
    • US5966171A
    • 1999-10-12
    • US882657
    • 1997-06-25
    • Teruo Hieda
    • Teruo Hieda
    • H04N5/262H04N5/77H04N9/04H04N9/804
    • H04N9/045H04N5/2628H04N5/772H04N9/804H04N2209/046Y10S358/906
    • In order to achieve a digital video camera apparatus which decreases the number of components and facilitates connection with a digital VTR, a luminance signal Y and a color signal C input from external input terminals (110, 118) are converted into digital signals by A/D converters (136, 138) by sampling these signals respectively at the sampling frequency of a digital recording/reproduction device (113) and a frequency four times the subcarrier frequency, the digital signals are selected by selectors (135, 137) together with signals Y and C from a digital signal processing circuit (106), and the selected signals are supplied to the digital signal recording/reproduction device (113). Color-difference signals are supplied after their frequency is converted into the sampling frequency of the digital signal recording/reproduction device (113) by frequency converters (139a, 139b).
    • 为了实现减少部件数量并促进与数字VTR连接的数字摄像机装置,从外部输入端(110,118)输入的亮度信号Y和彩色信号C通过A / D转换成数字信号, D转换器(136,138),分别以数字记录/再现设备(113)的采样频率和频率为副载波频率的四倍采样这些信号,数字信号由选择器(135,137)和信号 来自数字信号处理电路(106)的Y和C,并且所选择的信号被提供给数字信号记录/再现装置(113)。 在通过变频器(139a,139b)将其频率转换成数字信号记录/再现装置(113)的采样频率之后,提供色差信号。
    • 70. 发明授权
    • Image signal processing apparatus
    • 图像信号处理装置
    • US5781244A
    • 1998-07-14
    • US589580
    • 1996-01-22
    • Hisataka HiroseTeruo Hieda
    • Hisataka HiroseTeruo Hieda
    • H04N5/262
    • H04N5/2628
    • In the image signal processing apparatus in this invention, control is carried out in such a manner that an enlarged image signal based on an image signal stored in a memory is produced a predetermined period of time after the image signal was written into the memory, a blanking signal is generated at a predetermined period of time after a further blanking signal included in the image signal applied into the memory occurs, so that during the blanking period occurring in the image signal, the blanking signal is produced, and during periods outside this blanking period, the output is changed over for the enlarged image signal produced from the memory so that the image signal may be enlarged in a stable manner, and the construction and work involved in circuit adjustment may be simple.
    • 在本发明的图像信号处理装置中,以图像信号被写入存储器之后的规定时间内,生成基于存储在存储器中的图像信号的放大图像信号,进行控制, 在施加到存储器中的图像信号中包括的另外的消隐信号发生之后的预定时间段产生消隐信号,使得在图像信号中发生消隐期间,产生消隐信号,并且在该消隐之外的周期期间 期间,对于从存储器产生的放大图像信号,输出被切换,使得图像信号可以稳定地放大,并且电路调整所涉及的构造和工作可能很简单。