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1. 发明授权

US4870510A Video signal reproducing apparatus using memory 失效
标题翻译：使用存储器的视频信号再现装置
公开(公告)号：US4870510A
公开(公告)日：1989-09-26
申请号：US058326
申请日：1987-06-04
申请人： Hiroo Edakubo , Chikara Sato , Susumu Kozuki , Katsuji Yoshimura
发明人： Hiroo Edakubo , Chikara Sato , Susumu Kozuki , Katsuji Yoshimura
IPC分类号： G11B5/008 , H04N5/937
CPC分类号： H04N5/937 , G11B5/0086
摘要： In a video signal reproducing apparatus of the kind reproducing a video signal from a record bearing medium on which a predetermined period portion of the video signal is recorded together with a pilot signal in each of many recording tracks formed in parallel with each other: a tracking error signal is generated on the basis of pilot signals reproduced by a reproducing head; and each of the predetermined period portions of the video signal reproduced by the reproducing head is determined to be or not to be stored at a memory which is capable of storing the portion of said video signal covering a predetermined period of time.
摘要翻译：在从记录有承载介质的视频信号再生装置的视频信号再现装置中，在记录轴承介质上记录有视频信号的预定周期部分以及彼此并行形成的许多记录道中的每一个中的导频信号：跟踪基于由再现头重放的导频信号产生误差信号; 并且由再现头再现的视频信号的每个预定周期部分被确定为或不存储在能够存储覆盖预定时间段的所述视频信号的部分的存储器中。

2. 发明授权

US4864430A Video signal reproducing apparatus with memory and capability for reproducing at diverse reproduction speeds 失效
标题翻译：具有存储器和能够以不同再现速度再现的视频信号再现装置
公开(公告)号：US4864430A
公开(公告)日：1989-09-05
申请号：US62929
申请日：1987-06-16
申请人： Katsuji Yoshimura , Susumu Kozuki , Hiroo Edakubo , Chikara Sato , Koji Takahashi
发明人： Katsuji Yoshimura , Susumu Kozuki , Hiroo Edakubo , Chikara Sato , Koji Takahashi
IPC分类号： G11B15/18 , G11B15/467 , G11B27/00 , H04N5/783 , H04N5/937
CPC分类号： H04N5/937 , G11B15/1875 , G11B15/4673 , G11B27/005 , H04N5/783
摘要： A video signal reproducing apparatus is provided with a memory which is capable of storing a portion of a video signal covering a predetermined period of time and is arranged: To allow a record bearing medium on which the predetermined period portion of the video signal is recorded in each of many recording tracks formed in parallel to travel at a given speed different from a speed employed in recording; and to decide whether or not each of the video signal portions reproduced by a reproducing head is to be stored by making the decision on the basis of the signal reproduced from each of the tracks by the reproducing head.
摘要翻译：视频信号再现装置具有存储器，该存储器能够存储覆盖预定时间段的视频信号的一部分，并被布置为：允许记录有视频信号的预定周期部分的记录载体介质多个记录轨道中的每一个平行地形成为以与记录中使用的速度不同的给定速度行进; 并且通过基于由再现头从每个轨道再现的信号进行判定来决定是否存储由再现头再现的每个视频信号部分。

3. 发明授权

US4873587A Video signal reproducing apparatus with memory 失效
标题翻译：具有存储器的视频信号再现装置
公开(公告)号：US4873587A
公开(公告)日：1989-10-10
申请号：US89307
申请日：1987-08-25
申请人： Katsuji Yoshimura , Susumu Kozuki , Hiroo Edakubo , Chikara Sato
发明人： Katsuji Yoshimura , Susumu Kozuki , Hiroo Edakubo , Chikara Sato
IPC分类号： G11B5/027 , G11B15/087 , G11B15/18 , G11B15/467 , G11B20/02 , G11B27/36 , H04N5/937
CPC分类号： G11B27/36 , G11B15/087 , G11B15/1875 , G11B15/4673 , H04N5/937
摘要： A video signal reproducing apparatus for reproducing video signals from a record bearing medium on which many recording tracks are formed in parallel to each other with a given-period portion of the video signal recorded in each of the tracks are arranged: To compare, on the basis of signals reproduced by a reproducing head, the level of a reference signal with that of a reproduced state detection signal the level of which varies according to the reproduced state of the video signal; to determine, on the basis of the result of comparison, whether or not the video signal reproduced by the reproducing head is to be written into a memory device which is capable of storing the given-period portion of the video signal therein; and to change a level relation between the reproduced state detection signal and the reference signal from one level relation over to another according to the track pitch of the recording tracks which is detected using the signals reproduced by the reproducing head.
摘要翻译：一种视频信号再现装置，用于从记录载体介质再现视频信号，其中多个记录磁道彼此并联形成，并记录在每个轨道中的视频信号的给定周期部分：为了比较基于由再现头再现的信号的基准，参考信号的电平与其电平根据视频信号的再现状态而变化的再现状态检测信号的电平; 基于比较结果确定由再现头再现的视频信号是否被写入能够存储视频信号的给定周期部分的存储器件; 并且根据使用由再现头再现的信号检测到的记录磁道的磁道间距，将再现状态检测信号和参考信号之间的电平关系从一个电平关系改变到另一电平关系。

4. 发明授权

US4947448A Image information signal transmitting system 失效
标题翻译：图像信息传输系统
公开(公告)号：US4947448A
公开(公告)日：1990-08-07
申请号：US274660
申请日：1988-11-21
申请人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Koji Takahashi , Susumu Kozuki , Katsuji Yoshimura
发明人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Koji Takahashi , Susumu Kozuki , Katsuji Yoshimura
IPC分类号： H04N7/015 , H04N7/12
CPC分类号： H04N7/0152 , H04N7/125
摘要： An image information signal transmitting system for transmitting an image information signals which continuously forms a temporally correlated group of image planes is arranged to divide each image plane portions of the image information signal into a plurality of blocks; and, in determining for every divided block included in each of the image planes the adoption of one of a plurality of information transmitting modes provided for different information transmitting density values, the information transmitting modes for the plurality of blocks of a presently transmitting image plane portion of the signal are determined at least according to the information transmitting modes which hae been used for the plurality of blocks of a previously transmitted image plane portion of the signal.
摘要翻译：用于发送连续地形成时间相关的图像平面组的图像信息信号的图像信息信号发送系统被布置为将图像信息信号的每个图像平面部分分成多个块; 并且在确定包括在每个图像平面中的每个划分的块时，采用为不同信息发送密度值提供的多个信息发送模式中的一个，对于当前发送的图像平面部分的多个块的信息发送模式至少根据已经用于信号的先前发送的图像平面部分的多个块的信息发送模式来确定信号。

5. 发明授权

US4755878A Image information transmitting system 失效
标题翻译：图像信息传输系统
公开(公告)号：US4755878A
公开(公告)日：1988-07-05
申请号：US932773
申请日：1986-11-19
申请人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Koji Takahashi , Susumu Kozuki , Katsuji Yoshimura
发明人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Koji Takahashi , Susumu Kozuki , Katsuji Yoshimura
IPC分类号： H04N19/50 , H04B1/66 , H04N7/12 , H04N7/137
CPC分类号： H04N7/12
摘要： A system for transmitting an image information signal which continuously forms a temporally correlated group of image planes is arranged to divide each image plane portion of the image information signal into a plurality of blocks; to have a plurality of different information transmitting modes of transmitting the image information signal in different degrees of information density including a mode in which a present image plane portion of the image information signal is not transmitted; to form a transmitting information signal on the basis of applicable one of the plurality of the different information transmitting modes; to generate for each of the blocks a transmitting mode signal including information indicating use or nonuse of the information transmitting mode in which the present image plane portion of the image information signal is not transmitted; and to transmit the transmitting information signal and the transmitting mode signal in a multiplexing manner.
摘要翻译：用于发送连续地形成时间相关的图像平面组的图像信息信号的系统被布置为将图像信息信号的每个图像平面部分分成多个块; 具有以不同信息密度传输图像信息信号的多个不同信息发送模式，包括不发送图像信息信号的当前图像平面部分的模式; 基于所述多个所述不同信息发送模式中的适用的一个，形成发送信息信号; 为每个块生成包括指示不发送图像信息信号的当前图像平面部分的信息发送模式的使用或不使用的信息的发送模式信号; 并以复用方式发送发送信息信号和发送模式信号。

6. 发明授权

US4932066A Information signal transmission system 失效
标题翻译：信息传输系统
公开(公告)号：US4932066A
公开(公告)日：1990-06-05
申请号：US277421
申请日：1988-11-23
申请人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Katsuji Yoshimura , Koji Takahashi , Susumu Kozuki
发明人： Tadayoshi Nakayama , Chikara Sato , Kenichi Nagasawa , Tomohiko Sasatani , Katsuji Yoshimura , Koji Takahashi , Susumu Kozuki
IPC分类号： H04N1/411
CPC分类号： H04N1/411
摘要： A system for transmitting information signal in which a temporally correlated group of image planes are continuously formed comprises: dividing means which divides the information signal into separate image planes and further divides each image plane portion of the signal into a plurality of blocks; first transmitting means for transmitting in a first degree of information density the first of the plurality of blocks obtained from the dividing means; second transmitting means for transmitting in a second degree of information density the second of the plurality of divided blocks obtained from the dividing means; and transmission inhibiting means for inhibiting transmission of the third of the plurality of divided blocks obtained from the dividing means by dividing a present image plane portion of the information signal.
摘要翻译：用于发送时间上相关的图像平面组连续形成的信息信号的系统包括：分割装置，将信息信号分成分离的图像平面，并将信号的每个图像平面部分分成多个块; 第一发送装置，用于以第一信息密度从分割装置获得的多个块中的第一块发送; 第二发送装置，用于以第二信息密度发送从分割装置获得的多个分割块中的第二个; 以及发送禁止装置，用于通过划分信息信号的当前图像平面部分来禁止从分割装置获得的多个划分块中的第三块的传输。

7. 发明授权

US4791487A Picture signal conversion device 失效
标题翻译：图像信号转换装置
公开(公告)号：US4791487A
公开(公告)日：1988-12-13
申请号：US877899
申请日：1986-06-24
申请人： Susumu Kozuki , Tadayoshi Nakayama , Chikara Sato
发明人： Susumu Kozuki , Tadayoshi Nakayama , Chikara Sato
IPC分类号： H04N5/44 , H04N7/12 , H04N5/14 , H04N7/01
CPC分类号： H04N7/012
摘要： A picture signal conversion device arranged to obtain an interpolation signal by using a scanning line signal of a first picture signal which has scanning line signals corresponding to a predetermined number of scanning lines within one field period and to convert the first picture signal into a second picture signal which has a greater number of scanning lines than that of the first picture signal comprises: first interpolation signal generating means which generates a first interpolation signal for the present field by using a scanning line signal obtained within the present field; second interpolation signal generating means which generates a second interpolation signal for the present field by using a scanning line signal of another field; output means arranged to detect the correlativity of scanning line signal between fields and to selectively produce, according to the detected correlativity, the first or second interpolation signal generated from the first or second interpolation signal generating means; and detection characteristic control means for controlling the correlativity detecting characteristic of the output means according to the inclination of the correlativity among scanning lines obtained within a predetermined period.
摘要翻译：一种图像信号转换装置，被配置为通过使用具有与一个场周期内的预定数量的扫描线相对应的扫描线信号的第一图像信号的扫描线信号来获得内插信号，并将第一图像信号转换为第二图像具有比第一图像信号更多的扫描线的信号包括：第一内插信号产生装置，通过使用在本场中获得的扫描线信号来产生用于当前场的第一内插信号; 第二内插信号产生装置，通过使用另一场的扫描线信号产生用于当前场的第二内插信号; 输出装置，其被布置成检测场之间的扫描线信号的相关性，并根据检测的相关性选择性地产生从第一或第二内插信号产生装置产生的第一或第二内插信号; 以及检测特性控制装置，用于根据在预定时间段内获得的扫描线之间的相关性的倾斜度来控制输出装置的相关性检测特性。

8. 发明授权

US5155583A Video signal processing system with selective signal extraction and delay 失效
标题翻译：具有选择性信号提取和延迟的视频信号处理系统
公开(公告)号：US5155583A
公开(公告)日：1992-10-13
申请号：US668748
申请日：1991-03-13
申请人： Katsuji Yoshimura , Tadayoshi Nakayama , Hisashi Ishikawa , Chikara Sato
发明人： Katsuji Yoshimura , Tadayoshi Nakayama , Hisashi Ishikawa , Chikara Sato
IPC分类号： H04N9/78
CPC分类号： H04N9/78
摘要： A video signal processing system for use in an apparatus that handles a composite color television signal having therein frequency-multiplexed luminance and chrominance signals frequency-multiplexed in the composite color television signal are separated, comprises: remark picture element signal extracting circuitry for taking part of the composite color television signal as a remark picture element signal and extracting the remark picture element signal from the composite color television signal; reference picture element signal extracting circuitry for taking the composite color television signal whose chrominance signal frequency-mutliplexed therein is of the reverse phase to the chrominance signal frequency-multiplexed in the remark picture element signal as a reference picture element signal and extracting a plurality of the reference picture signals from the composite color television signal; selecting circuitry for selecting out of the plurality of reference picture element signals extracted by the reference picture element signal extracting circuitry the one which takes a median value and producing it; and separating circuitry for separating the luminance signal and chrominance signal frequency-multiplexed in the selected reference picture element signal by using the remark picture element signal extracted by the remark picture element signal extracting circuitry.
摘要翻译：用于处理复合彩色电视信号的装置中的视频信号处理系统，其中复合彩色电视信号中具有频率复用的色度信号和复合彩色电视信号中频率多路复用的色度信号，包括：备注图像元素信号提取电路，复合彩色电视信号作为备注像素信号，并从复合彩色电视信号中提取备注像素信号; 参考图像元素信号提取电路，用于将其色频信号频率复合的复合彩色电视信号与备注像素信号中多路复用的色度信号相反，作为参考像素信号，并提取多个来自复合彩色电视信号的参考图像信号; 选择电路，用于从所述参考图像元素信号提取电路提取的所述多个参考图像元素中选择所述参考图像元素信号，所述参考图像元素获取中值并产生该参考图像元素信号; 以及分离电路，用于通过使用由备注像素信号提取电路提取的备注像素信号来分离所选择的参考像素信号中频率多路复用的亮度信号和色度信号。

9. 发明授权

US5043815A Video signal processing device 失效
标题翻译：视频信号处理装置
公开(公告)号：US5043815A
公开(公告)日：1991-08-27
申请号：US300818
申请日：1989-01-23
申请人： Katsuji Yoshimura , Tadayoshi Nakayama , Chikara Sato
发明人： Katsuji Yoshimura , Tadayoshi Nakayama , Chikara Sato
IPC分类号： H04N5/21 , H04N5/262
CPC分类号： H04N5/2625 , H04N5/21 , H04N5/262
摘要： A video signal processing device comprising a subtractor for computing a difference signal between an input video signal and a video signal input a predetermined period before relative to the input video signal, a computer for applying a predetermined computation to the difference signal, an adder for adding that computation result to the input video signal or the video signal input the predetermined period before and outputting the result, a delay circuit for delaying the output of the adder by the predetermined period, and a dither generator for generating a dither pattern, being characterized in that the dither pattern generated by the dither generator is added to the signal output from the computer or the adder.
摘要翻译：一种视频信号处理装置，包括：减法器，用于计算在输入视频信号和输入视频信号之前预定时段输入的视频信号之间的差分信号;计算机，用于对差分信号应用预定的计算;加法器，该输出视频信号或输入视频信号的输出结果输出到输出结果之前的预定周期，延迟电路用于将加法器的输出延迟预定周期，以及用于产生抖动图案的抖动发生器，其特征在于由抖动发生器产生的抖动模式被加到从计算机或加法器输出的信号中。

10. 发明授权

US4849833A Image signal recording apparatus 失效
标题翻译：图像信号记录装置
公开(公告)号：US4849833A
公开(公告)日：1989-07-18
申请号：US78217
申请日：1987-07-27
申请人： Katsuji Yoshimura , Toshiyuki Masui , Chikara Sato , Tadayoshi Nakayama
发明人： Katsuji Yoshimura , Toshiyuki Masui , Chikara Sato , Tadayoshi Nakayama
IPC分类号： G11B20/12 , H04N5/926 , H04N9/797
CPC分类号： H04N5/9268 , H04N9/7973
摘要： An image signal recording apparatus of the kind handling and recording on a recording medium an image signal which corresponds to a still image consisting of a plurality of horizontal scanning lines and which consists of a plurality of horizontal scanning line information signals corresponding to the horizontal scanning lines is arranged to receive the image signal by the unit of the horizontal scanning line information signal; to obtain horizontal scanning line information data by digitizing the horizontal scanning line information signals; and to form an n number (n: an integer which is at least one) of recording tracks on the recording medium by recording on the medium the horizontal scanning line information data which corresponds to an m number (m: an integer which can be expressed as 1.ltoreq.m.ltoreq.10) of horizontal scanning lines.
摘要翻译：一种在记录介质上进行处理和记录的图像信号记录装置，对与由多条水平扫描线组成的静止图像对应的图像信号进行处理并记录，该图像信号由与水平扫描线对应的多条水平扫描线信息信号组成被布置成以水平扫描线信息信号为单位接收图像信号; 通过数字化水平扫描线信息信号来获得水平扫描线信息数据; 并且通过在介质上记录与m个数相对应的水平扫描线信息数据（m：可表达的整数），在记录介质上形成记录轨迹的n个数（n：至少为一个整数）作为1

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