利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

20 条记录 (耗时 0.02 秒)

    Jitter compensation circuit for processing jitter components of reproduced video signal
    1.
    发明授权
    Jitter compensation circuit for processing jitter components of reproduced video signal 失效
    用于处理再现视频信号的抖动分量的抖动补偿电路

    公开(公告)号：US4987491A

    公开(公告)日：1991-01-22

    申请号：US472982

    申请日：1990-01-12

    申请人： Osamu Kaite ,  Takahiro Yuchi ,  Hirotsugu Murashima

    发明人： Osamu Kaite ,  Takahiro Yuchi ,  Hirotsugu Murashima

    IPC分类号： H04N9/89

    CPC分类号： H04N9/89

    摘要： A reproduced video signal of a VTR is applied to a jitter compensation circuit (100). The applied reproduced video signal is A/D converted by a phase modulated clock and after subjected to the adjustment of timing, the signal is written into a memory (4). A burst signal period is specified based on a timing of a horizontal synchronizing signal in the reproduced video signal and a jitter amount is detected based on a sampling phase of the A/D converted burst. Jitter compensation data is calculated based on this jitter amount. On this occasion, latest jitter compensation data is obtained based on the detected jitter amount and the jitter compensation data one horizontal period before. A timing for starting to write the A/D converted video data into the memory is defined based on high-order data of the calculated jitter compensation data, thereby cancelling large jitter components. On the other hand, a phase of a A/D converting clock is controlled based on low-order data of the jitter compensation data, thereby cancelling small jitter components.

    Color component signal converting apparatus having an input dependent switchable matrix
    2.
    发明授权
    Color component signal converting apparatus having an input dependent switchable matrix 失效
    具有输入相关可切换矩阵的彩色分量信号转换装置

    公开(公告)号：US5140408A

    公开(公告)日：1992-08-18

    申请号：US476858

    申请日：1990-02-08

    申请人： Osamu Kaite ,  Takahiro Yuchi ,  Hirotsugu Murashima

    发明人： Osamu Kaite ,  Takahiro Yuchi ,  Hirotsugu Murashima

    IPC分类号： H04N9/79 ,  H04N9/797 ,  H04N9/81 ,  H04N9/82 ,  H04N9/83

    CPC分类号： H04N9/82 ,  H04N9/7921 ,  H04N9/7973 ,  H04N9/81 ,  H04N9/831

    摘要： Supplied selectively to a recording system circuit of a VTR are a first component signal comprising three primary color signals R, G and B and a second component signal comprising a luminance signal Y and two types of color difference signals P.sub.B and P.sub.R. The first and the second component signals pass through a group of LPFs (1, 2, 3) having the same pass characteristics and then are A/D converted at the same sampling clock. The component signal converted into a digital signal is applied to a matrix circuit 11. Respective coefficients of the matrix circuit are switched according to a type of the inputted component signal, and as a result, a second digital component signal is always outputted at a fixed delay time from the matrix circuit. Two color signal data which are over-sampled included in the second digital component signal are applied to decimation digital filters 14 and 15 to reduce data densities thereof.

    Method of recording image data
    3.
    发明授权
    Method of recording image data 失效
    记录图像数据的方法

    公开(公告)号：US6014494A

    公开(公告)日：2000-01-11

    申请号：US975167

    申请日：1997-11-20

    申请人： Shigekazu Minechika ,  Kazuyuki Okamoto ,  Osami Sunagawa ,  Masahiko Nishikawa ,  Takashi Ohnaka ,  Hirotsugu Murashima ,  Tatsuo Tanaka

    发明人： Shigekazu Minechika ,  Kazuyuki Okamoto ,  Osami Sunagawa ,  Masahiko Nishikawa ,  Takashi Ohnaka ,  Hirotsugu Murashima ,  Tatsuo Tanaka

    IPC分类号： G11B5/008 ,  G11B5/09 ,  G11B15/12 ,  G11B15/18 ,  G11B15/467 ,  G11B20/12 ,  G11B27/00 ,  H04N5/7826 ,  H04N5/783 ,  H04N9/804 ,  H04N9/82

    CPC分类号： G11B20/1217 ,  G11B15/125 ,  G11B15/1875 ,  G11B27/005 ,  H04N9/8042 ,  G11B15/4672 ,  G11B5/0086 ,  G11B5/09 ,  H04N5/78266 ,  H04N5/783 ,  H04N9/8227

    摘要： In tracing a tape with a signal recording head to form tracks having digital data recorded thereon, a plurality of tracks provide each of blocks, and a usual playback data area NA and trick playback areas TH and TL are arranged on each of the tracks included in each block. The trick playback areas are enlarged to provide increment areas TA with a decrease in the bit rate of usual playback data. In recording image data as to a plurality of programs on a tape conjointly, signal recording tracks are formed on the tape, and a usual playback data area and a trick playback data area are formed on each of the tracks or on one track per plurality of tracks, as arranged longitudinally of the track, whereby the image data as to programs A to D is conjointly recorded on the same tape. In this method, a number of tracks in accordance with the number of speed multiplication for trick playback provide one TP frame, the same trick playback data is repeatedly recorded from track to track in the trick playback data areas of the tracks within the same TP frame, and the image data as to the programs A to D is cyclically recorded in such respective TP frames, each for one program.

    摘要翻译： 在用信号记录头跟踪磁带以形成具有记录在其上的数字数据的磁道时，多个磁道提供每个块，并且通常的重放数据区NA和特技重放区TH和TL被布置在包括在 每个块。 特技播放区域被放大以提供增加区域TA，同时通常播放数据的比特率降低。 在磁带上记录关于多个节目的图像数据时，在磁带上形成信号记录磁道，并且在每个磁道或每个磁道的每个磁道上形成通常的重放数据区域和特技重放数据区域 轨迹，纵向配置在轨道上，由此将与程序A至D相关联的图像数据联合地记录在同一磁带上。 在该方法中，根据用于特技重放的速度乘数的数量的轨道提供一个TP帧，在相同TP帧内的轨道的特技重放数据区中，从轨道到轨道重复记录相同的特技重放数据 并且关于节目A至D的图像数据被循环地记录在这样的各个TP帧中，每个用于一个节目。

    Automatic focusing circuit for automatically matching focus in response to video signal and zoom position
    4.
    发明授权
    Automatic focusing circuit for automatically matching focus in response to video signal and zoom position 失效
    自动对焦电路，用于自动对焦，以响应视频信号和变焦位置

    公开(公告)号：US4903134A

    公开(公告)日：1990-02-20

    申请号：US282394

    申请日：1988-12-09

    申请人： Hirotsugu Murashima ,  Satoru Maeda ,  Shunji Hirano

    发明人： Hirotsugu Murashima ,  Satoru Maeda ,  Shunji Hirano

    IPC分类号： H04N5/232

    CPC分类号： H04N5/23212

    摘要： In an automatic focusing circuit of a video camera, automatic focusing operation is performed by a focus evaluating value formed in response to a video signal obtained by an image sensing circuit (4). A first focusing motor control circuit (15) controls the rotation of a focusing motor (3) so that a focusing lens (1) is once fixed in the position where the focus evaluating value takes the maximum value. A second focusing motor control circuit (17) changes the focusing motor (3), by a predetermined very small amount, to determine the slope of the focus evaluating value, which change is repeated until inversion of the slope, that is, the maximal point is detected. As a result, the position of the focusing lens is corrected at the maximal point of the focus evaluating value. When the correction amount exceeds a predetermined value, first automatic focusing operation by the first focusing motor control circuit (15) is resumed.

    Automatic focusing circuit using a two period detection interval to compensate for motion occurring within a field of view
    5.
    发明授权
    Automatic focusing circuit using a two period detection interval to compensate for motion occurring within a field of view 失效
    使用两个周期检测间隔的自动聚焦电路来补偿在视场内发生的运动

    公开(公告)号：US4853789A

    公开(公告)日：1989-08-01

    申请号：US155901

    申请日：1988-02-16

    申请人： Hirotsugu Murashima ,  Satoru Maeda

    发明人： Hirotsugu Murashima ,  Satoru Maeda

    IPC分类号： G02B7/28 ,  H04N5/232

    CPC分类号： H04N5/23212

    摘要： In an automatic focusing circuit of a video camera, an automatic focusing operation is performed by a focus evaluating value produced in response to a video signal obtained in an image sensing circuit (4). A focusing motor control circuit (14) controls rotation of a focusing motor (3) so that a focusing lens (1) is once fixed in the position where the focus evaluating value takes the maximum value. Then, a control circuit (14) resumes the automatic focusing operation after a lapse of a second time period when it is determined that the focus evaluating value was decreased to a predetermined level during a first time period and maintained the level over the second time period, and does not resume the automatic focusing operation when it is determined that the focus evaluating value did not maintain the level. On the other hand, the control circuit (14) resumes the automatic focusing operation after a lapse of the first time period when it is determined that a time period which is more than the first time period is required until the focus evaluating value attains the predetermined level.

    Receiver
    7.
    发明授权
    Receiver 失效
    接收器

    公开(公告)号：US08156521B2

    公开(公告)日：2012-04-10

    申请号：US11169296

    申请日：2005-06-29

    申请人： Yasuyuki Ikeguchi ,  Tatsuya Hosomi ,  Toru Shibusawa ,  Hirotsugu Murashima

    发明人： Yasuyuki Ikeguchi ,  Tatsuya Hosomi ,  Toru Shibusawa ,  Hirotsugu Murashima

    IPC分类号： G06F3/00

    CPC分类号： H04N5/445 ,  H04N7/173 ,  H04N21/4223 ,  H04N21/4415 ,  H04N21/4622 ,  H04N21/478 ,  H04N21/4786 ,  H04N21/4882

    摘要： A receiver has a tuner for receiving a TV broadcast program and a modem for receiving an e-mail. Also, the receiver outputs a message if there exists any unopened e-mail. In addition, the receiver has a camera for sending a videophone image. A viewer in front of the receiver is recognized, and it is determined whether or not the recognized viewer matches the addressee of the unopened e-mail. If a result of the determination is negative, a message output operation is prohibited.

    摘要翻译： 接收机具有用于接收电视广播节目的调谐器和用于接收电子邮件的调制解调器。 另外，如果存在未打开的电子邮件，则接收器输出消息。 此外，接收器具有用于发送可视电话图像的相机。 识别接收者前面的观众，并确定所识别的观众是否与未打开的电子邮件的收件人匹配。 如果确定的结果为否定，则禁止消息输出操作。

    Integrated circuit for processing digital signals in video camera having electronic zooming function
    8.
    发明授权
    Integrated circuit for processing digital signals in video camera having electronic zooming function 失效
    用于处理具有电子变焦功能的摄像机中的数字信号的集成电路

    公开(公告)号：US5331411A

    公开(公告)日：1994-07-19

    申请号：US784228

    申请日：1991-10-29

    申请人： Kiyotada Kawakami ,  Masao Takuma ,  Tooru Asaeda ,  Tooru Yamamoto ,  Haruhiko Murata ,  Hirotsugu Murashima ,  Tohru Watanabe ,  Masashi Honzawa ,  Keiichi Tanii

    发明人： Kiyotada Kawakami ,  Masao Takuma ,  Tooru Asaeda ,  Tooru Yamamoto ,  Haruhiko Murata ,  Hirotsugu Murashima ,  Tohru Watanabe ,  Masashi Honzawa ,  Keiichi Tanii

    IPC分类号： H04N5/225 ,  H04N5/262 ,  H04N9/07 ,  H04N9/64 ,  H04N9/74 ,  H04N3/223 ,  H04N5/232 ,  H04N9/04

    CPC分类号： H04N9/74 ,  H04N5/2628 ,  H04N2209/046

    摘要： An output from a solid state image sensing device spatially modulated by a color filter is A/D converted and stored in a field memory. Digital signals read from the field memory during electronic zooming are successively delayed by 1H period by means of first, second and third 1H delay elements connected in series. The output from the field memory and outputs from the first, second and third 1H delay elements are separated into luminance components and line sequential color components by first to fourth Y/C separating circuits, respectively. A first set of three primary color signals are calculated based on outputs from the first, second and third Y/C separating circuits, and a second set of three primary color signals are calculated based on outputs from the second, third and fourth Y/C separating circuits. Three primary color signals corresponding to a new display point formed along with the execution of the electronic zooming function are formed based on the calculated two sets of three primary color signals, and a luminance signal corresponding to the new display point is formed based on outputs from the second and third Y/C separating circuits.

    摘要翻译： 由滤色器空间调制的固态图像感测装置的输出被A / D转换并存储在场存储器中。 在电子变焦期间从现场存储器读取的数字信号通过串联连接的第一，第二和第三1H延迟元件连续延迟1H周期。 来自场存储器的输出和来自第一，第二和第三1H延迟元件的输出分别由第一至第四Y / C分离电路分离成亮度分量和行顺序颜色分量。 基于来自第一，第二和第三Y / C分离电路的输出计算第一组三原色信号，并且基于来自第二，第三和第四Y / C分离电路的输出来计算第二组三原色信号 分离电路。 基于计算出的两组三原色信号形成与执行电子缩放功能一起形成的新显示点的三原色信号，并且基于来自 第二和第三Y / C分离电路。

    Automatic focusing circuit for automatically matching focus in response to video signal
    9.
    发明授权
    Automatic focusing circuit for automatically matching focus in response to video signal 失效
    自动对焦电路，用于自动对焦视频信号

    公开(公告)号：US4841370A

    公开(公告)日：1989-06-20

    申请号：US120583

    申请日：1987-11-13

    申请人： Hirotsugu Murashima ,  Satoru Maeda ,  Shunji Hirano

    发明人： Hirotsugu Murashima ,  Satoru Maeda ,  Shunji Hirano

    IPC分类号： H04N5/232

    CPC分类号： H04N5/23212

    摘要： In an automatic focusing circuit of a video camera, automatic focusing operation is performed by a focus evaluating value formed in response to a video signal obtained by an image sensing circuit (4). A first focusing motor control circuit (15) controls the rotation of a focusing motor (3) so that a focusing lens (1) is once fixed in the position where the focus evaluating value takes the maximum value. A second focusing motor control circuit (17) changes the focusing motor (3), by a predetermined very small amount, to determine the slope of the focus evaluating value, which change is repeated until inversion of the slope, that is, the maximal point is detected. As a result, the position of the focusing lens is corrected at the maximal point of the focus evaluating value. When the correction amount exceeds a predetermined value, first automatic focusing operation by the first focusing motor control circuit (15) is resumed.

    摘要翻译： 在摄像机的自动聚焦电路中，通过响应于由图像感测电路（4）获得的视频信号形成的聚焦评估值来执行自动聚焦操作。 第一聚焦电机控制电路（15）控制聚焦电机（3）的旋转，使得聚焦透镜（1）一旦被固定在焦点评估值处于最大值的位置。 第二聚焦电机控制电路（17）将聚焦电机（3）改变预定的非常小的量，以确定焦点评估值的斜率，该改变被重复直到斜率反转，即最大点 被检测到。 结果，聚焦透镜的位置在焦点评估值的最大点被校正。 当校正量超过预定值时，恢复第一聚焦电机控制电路（15）的第一自动聚焦操作。