公开(公告)号：US06577256B2

公开(公告)日：2003-06-10

申请号：US09906824

申请日：2001-07-18

申请人： Tomohiro Kimura ,  Koki Aizawa

发明人： Tomohiro Kimura ,  Koki Aizawa

IPC分类号： H03M740

CPC分类号： H04N7/52 ,  H04N19/61

摘要： The image-coding apparatus is provided with: a motion-prediction-compensation circuit 36, which performs motion-prediction-compensation independently for each frame image in a composite-frame image that is obtained by forming abotuidary between and by connecting the respective frame images that make up a plurality of different moving images; a quantization circuit 32, which performs quantization for each frame image based on the results of motion prediction compensation for each frame image; a variable-length coding circuit 25, which codes each respective moving image by coding each of the frame images based on the quantization results for each frame image; and a control circuit 22, which performs control such that motion prediction compensation, quantization and coding are repeated for a plurality of successive composite-frame images.

摘要翻译： 图像编码装置具备：运动预测补偿电路36，其通过在通过连接各个帧图像之间形成辅助而获得的复合帧图像中的每个帧图像独立地执行运动预测补偿 组成多个不同的运动图像; 量化电路32，其基于每帧图像的运动预测补偿的结果对每帧图像进行量化; 可变长度编码电路25，其基于每个帧图像的量化结果对每个帧图像进行编码来对每个相应的运动图像进行编码; 以及控制电路22，其执行对多个连续复合帧图像重复运动预测补偿，量化和编码的控制。

公开(公告)号：US4215316A

公开(公告)日：1980-07-29

申请号：US948834

申请日：1978-10-05

申请人： Tadahiro Yamaguchi ,  Koki Aizawa

发明人： Tadahiro Yamaguchi ,  Koki Aizawa

IPC分类号： H03D1/22 ,  H04H1/00 ,  H04H40/36 ,  H03D1/02

CPC分类号： H03D1/2236

摘要： A stereo signal demodulation for obtaining left and right channel signals from an input stereo signal. A differential amplifier is coupled to a constant current source and first and second multipliers are coupled to the differential amplifier. A dividing circuit is coupled to the amplifier and the resulting channel signals are obtained in full wave rectified form.

摘要翻译： 立体声信号解调，用于从输入立体声信号获得左声道和右声道信号。 差分放大器耦合到恒流源，第一和第二乘法器耦合到差分放大器。 分频电路耦合到放大器，得到的信道信号以全波整流形式获得。

公开(公告)号：US4551642A

公开(公告)日：1985-11-05

申请号：US472331

申请日：1983-03-04

申请人： Koki Aizawa ,  Akira Haeno

发明人： Koki Aizawa ,  Akira Haeno

IPC分类号： H03F3/50 ,  H03F1/30 ,  H03F3/34 ,  H03F3/343 ,  H03K5/003 ,  H03K5/08 ,  H03G3/20

CPC分类号： H03F3/343 ,  H03F1/302

摘要： A level-shifting circuit is arranged such that the amount of level-shifting is controlled so that the DC requirement of a succeeding circuit may be satisfied. In particular, negative feedback control of the amount of level shift results in a constant zero DC potential being maintained at the circuit output.

摘要翻译： 电平移动电路被布置成使得电平移位量被控制，使得可以满足后续电路的DC要求。 特别地，电平偏移量的负反馈控制导致在电路输出端保持恒定的零直流电位。

公开(公告)号：US4558213A

公开(公告)日：1985-12-10

申请号：US499357

申请日：1983-05-31

申请人： Koki Aizawa ,  Yoshiyuki Takizawa ,  Akira Haeno ,  Akira Motoyama

发明人： Koki Aizawa ,  Yoshiyuki Takizawa ,  Akira Haeno ,  Akira Motoyama

IPC分类号： G11B7/13 ,  G11B7/12 ,  G11B20/10 ,  H03G3/20 ,  H01J40/14

CPC分类号： H03G3/3084 ,  G11B20/10527 ,  H03G3/3015

摘要： A pickup level control device for a system for reading out recorded information which has a pickup element producing a pickup output signal. The device detects a dc component of the pickup output signal and produces a level control signal. A voltage level of the pickup output signal is controlled in response to the level control signal produced by the dc level detection operation. The control of the voltage level of the pickup output signal is performed by a variable impedance element connected to a terminal of the pickup element, so that a peak level of an ac component of the pickup output signal is controlled below a predetermined level.

摘要翻译： 一种用于读出具有产生拾取输出信号的拾取元件的记录信息的系统的拾取液位控制装置。 该装置检测拾取器输出信号的直流分量并产生电平控制信号。 响应于由直流电平检测操作产生的电平控制信号来控制拾取器输出信号的电压电平。 拾取器输出信号的电压电平的控制由连接到拾取元件的端子的可变阻抗元件执行，使得拾取输出信号的交流分量的峰值电平被控制在预定水平以下。