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    • 1. 发明授权
    • Picture-in-picture television receiver
    • 画中画电视接收机
    • US4249213A
    • 1981-02-03
    • US74761
    • 1979-09-11
    • Takuya ImaideTomomitsu KuroyanagiMichio Masuda
    • Takuya ImaideTomomitsu KuroyanagiMichio Masuda
    • H04N5/45H04N5/22
    • H04N5/45
    • A picture-in-picture television receiver is disclosed in which a television picture to be inset is compressed at a compression rate of 1/n and inset as a small-picture in part of a main television picture or large picture, and a single field memory for small-picture reproduction is provided therein in or from which a video signal can be randomly read and written line by line as a unit. In the single field memory is stored the small-picture video signal line by line by the application of a writing clock in which case the time taken in the writing is less than 1/(n+1) of a horizontal period. Then, from the memory is read the stored small-picture information by the application of a reading clock of n times the frequency of the writing clock during the time that writing is not performed, and supplied to be inset in the main television picture. A small-capacity buffer memory is provided at the prestage or following stage of the field memory to prevent the read/write timing overlap in the field memory irrespective of whether the small-picture and the main television picture are synchronized or not in the transmission systems. Thus, the capacity of the field memory essential for the small-picture is about a half of the conventional one.
    • 公开了一种画中画电视接收机,其中要插入的电视图像以1 / n的压缩率被压缩,并且作为主要电视图像或大图像的一部分的小图像插入,并且单个场 在其中提供用于小图像再现的存储器,其中视频信号可以作为一个单元逐行地随机读取和写入。 在单场存储器中,通过应用写入时钟逐行存储小图像视频信号,在这种情况下,写入时所花费的时间小于水平周期的1 /(n + 1)。 然后,通过在不执行写入的时间期间通过应用写入时钟的频率的n倍的读取时钟来从存储器读取所存储的小图像信息,并将其提供给主电视图像中的插入。 在场存储器的前级或后级提供小容量缓冲存储器,以防止在现场存储器中的读/写定时重叠,而不管小图像和主电视图像是否在传输系统中同步 。 因此,小图片所必需的场记忆体的容量大约是常规场景的一半。
    • 5. 发明申请
    • DECODING APPARATUS FOR ENCODED VIDEO SIGNALS
    • 编码视频信号的解码设备
    • US20080291329A1
    • 2008-11-27
    • US12182641
    • 2008-07-30
    • Hiroki MizosoeTakuya Imaide
    • Hiroki MizosoeTakuya Imaide
    • H04N5/45
    • H04N5/45H04N5/85H04N9/8205H04N21/42646H04N21/4316H04N21/4348
    • The present invention is a decoding apparatus for decoding an encoded video signal capable of displaying a secondary video synchronously with a primary video. The decoding apparatus includes: an auxiliary information analyzing part that analyzes auxiliary information including display auxiliary information about a display position and/or a display size of the secondary video, and applied time information by which the display auxiliary information is applied; a reference time counter that indicates a reference time at which a video is decoded and displayed; a comparing part that compares the applied time information with the reference time counter; a display screen forming part that uses a primary video and a secondary video to form a display screen; and a control part that controls the display screen forming part, wherein the control part controls the display position and/or the display size of the secondary video by affording a command to the display screen forming part using the display auxiliary information, based on an output result of the comparing part.
    • 本发明是用于对能够与主视频同步地显示次要视频的编码视频信号进行解码的解码装置。 解码装置包括:辅助信息分析部分,分析辅助信息,包括关于显示位置的显示辅助信息和/或次要视频的显示尺寸;以及应用显示辅助信息的应用时间信息; 指示视频被解码和显示的参考时间的参考时间计数器; 比较部分,将所应用的时间信息与参考时间计数器进行比较; 显示屏幕形成部分,其使用主视频和次视频来形成显示屏; 以及控制显示画面形成部的控制部,其中,所述控制部基于所述显示辅助信息,通过使用所述显示辅助信息向所述显示画面形成部提供命令来控制所述二次视频的显示位置和/或显示尺寸 比较部分的结果。
    • 10. 发明授权
    • Image pickup apparatus and method of controlling the same
    • 摄像装置及其控制方法
    • US5847756A
    • 1998-12-08
    • US418441
    • 1995-04-07
    • Noriyuki IuraTomoyuki KurashigeNaoki YamamotoTakuya ImaideHiroaki KamiYoshihiro Todaka
    • Noriyuki IuraTomoyuki KurashigeNaoki YamamotoTakuya ImaideHiroaki KamiYoshihiro Todaka
    • H04N5/235H04N5/225
    • H04N5/2357H04N5/2352
    • An image pickup apparatus capable of generating a motion picture and a still picture. An amount of exposure in a still imaging mode is increased as compared with the amount of exposure for mode is increased as compared with the amount of exposure for one field in the motion picture imaging mode, preferably twice as large as the latter. In the still picture mode, electric charges are swept out from a CCD by an exposure control simultaneously with closing of a diaphragm for adjusting the amount of exposure. Upon occurrence of error in the closing operation of the diaphragm, the amount of exposure in the still picture mode is set to a design value. On the basis of difference between the design value and an actually measured value of the amount of exposure, gain for video signal is corrected. In the motion picture mode, the diaphragm and the electronic shutter speed is adjusted for preventing flicker from making appearance under illumination of a fluorescent lamp in indoor photographing. The adjusted speed can be 1/100 sec.
    • 一种能够产生运动图像和静止图像的图像拾取装置。 与静止成像模式中的曝光量相比,与用于运动图像成像模式中的一个场的曝光量相比,模式的曝光量增加,优选为后者的两倍。 在静止图像模式中,通过曝光控制从CCD扫描电荷,同时关闭用于调节曝光量的光圈。 当在隔膜的关闭操作中发生错误时,将静止图像模式中的曝光量设置为设计值。 基于设计值与曝光量的实际测量值之间的差异,校正视频信号的增益。 在动态影像模式中,调节光阑和电子快门速度,以防止室内照明中荧光灯的照明下出现闪烁。 调整速度可以为1/100秒。