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    • 42. 发明授权
    • Video signal recording apparatus having an interval recording mode
compatible with an overlap recording mode
    • 具有与重叠记录模式兼容的间隔记录模式的视频信号记录装置
    • US5598275A
    • 1997-01-28
    • US265623
    • 1994-06-24
    • Kenichi NagasawaKoji TakahashiChikara Sato
    • Kenichi NagasawaKoji TakahashiChikara Sato
    • H04N5/765G11B20/02G11B27/024H04N5/225H04N5/265H04N5/77H04N5/7826H04N5/91H04N5/92H04N9/82H04N5/262H04N5/76
    • H04N5/2621G11B27/024H04N5/77H04N5/772H04N9/8227Y10S358/906
    • A video signal recording apparatus includes a memory for storing a one-picture portion of an input video signal. An overlapping device gradually switches a first video signal, read from the memory, to a second video signal during a first predetermined time period, and provides an output video signal. A recording device records the video signal output from the overlapping device. A first manual operation member sets the video signal recording apparatus to an overlap mode, in which the overlapping device is operated in response to a start of recording by the recording device. A second manual operation member sets the video signal recording apparatus to an interval recording mode, in which the recording device is periodically operated to record during every second predetermined time period. A determination device determines the first and second predetermined time periods such that the second predetermined time period is longer than the first predetermined time period when the video signal recording apparatus is in the overlap mode and in the interval recording mode.
    • 视频信号记录装置包括用于存储输入视频信号的一个图像部分的存储器。 重叠装置在第一预定时间段期间逐渐地将从存储器读取的第一视频信号切换到第二视频信号,并提供输出视频信号。 记录装置记录从重叠装置输出的视频信号。 第一手动操作构件将视频信号记录装置设置为重叠模式,其中重叠装置响应于记录装置的开始记录而被操作。 第二手动操作构件将视频信号记录装置设置为间隔记录模式,其中记录装置在每隔一个预定时间周期期间周期性地操作以记录。 确定装置确定第一和第二预定时间段,使得第二预定时间段比视频信号记录装置处于重叠模式和间隔记录模式时的第一预定时间段长。
    • 43. 发明授权
    • Video signal reproducing apparatus with memory
    • 具有存储器的视频信号再现装置
    • US4873587A
    • 1989-10-10
    • US89307
    • 1987-08-25
    • Katsuji YoshimuraSusumu KozukiHiroo EdakuboChikara Sato
    • Katsuji YoshimuraSusumu KozukiHiroo EdakuboChikara Sato
    • G11B5/027G11B15/087G11B15/18G11B15/467G11B20/02G11B27/36H04N5/937
    • G11B27/36G11B15/087G11B15/1875G11B15/4673H04N5/937
    • 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.
    • 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。
    • 46. 发明授权
    • Integration circuit
    • 集成电路
    • US4278943A
    • 1981-07-14
    • US920343
    • 1978-06-29
    • Eiji MasudaChikara SatoYasoji Suzuki
    • Eiji MasudaChikara SatoYasoji Suzuki
    • G06G7/186H03K5/00
    • G06G7/1865
    • An integration circuit comprises an operational amplifier with first and second input terminals and an output terminal, an integration capacitor connected between the first input terminal and the output terminal, an integration resistor connected at one end to the first input terminal, a switch connected at one end to the other end of said resistor, a voltage signal source to be integrated which is connected through the switch to the other end of the resistor, and a reference voltage signal source connected to the second input terminal. The integration circuit further comprises means which applies, at the same time as the switch is opened, a signal with the same potential as the signal derived from the reference voltage signal source to said other end of the resistor, thereby to prevent an output signal from being adversely affected by a parasitic capacitance of the switch.An integration method includes a first step for applying a voltage signal to be integrated to an input part of an integration circuit and a second step for stopping the application of the integration voltage signal to the input part, and further comprises a third step for applying a reference potential signal to the input part of the integration circuit at the same time as the voltage signal to be integrated stops.
    • 积分电路包括具有第一和第二输入端子的运算放大器和输出端子,连接在第一输入端子和输出端子之间的积分电容器,一端连接到第一输入端子的积分电阻器, 结束到所述电阻器的另一端,要被集成的电压信号源,其通过开关连接到电阻器的另一端,以及参考电压信号源连接到第二输入端子。 积分电路还包括在与开关同时打开具有与从参考电压信号源导出到电阻器的另一端的信号相同的电位的信号的装置,从而防止输出信号 受到开关寄生电容的不利影响。 积分方法包括:第一步骤,将要积分的电压信号施加到积分电路的输入部分;以及第二步骤,用于停止向输入部分施加积分电压信号,并且还包括第三步骤, 与要积分的电压信号同时停止对积分电路的输入部分的参考电位信号。
    • 49. 发明申请
    • Sheet feeding apparatus
    • 送纸装置
    • US20050127310A1
    • 2005-06-16
    • US11001040
    • 2004-12-02
    • Takeshi SekiyaChikara Sato
    • Takeshi SekiyaChikara Sato
    • B65H7/14G01N21/89G01V8/00G01N21/86
    • G01N21/8901
    • A sheet detecting apparatus provided with a light emitter and a light receiver for receiving light emitted from the light emitter through a sheet conveying path, wherein the light receiver detects any change in a quantity of light from the light emitter caused by a sheet passing on the conveying path intercepting the light emitted from the light emitter, to thereby detect the presence or absence of the sheet is provided with a V/I converting circuit for driving the light emitter, a comparing circuit for effecting negative feedback on the V/I converting circuit by an output signal, and changing the quantity of light of the light emitter, and a limiter circuit for applying a limitation to the negative feedback effected on the V/I converting circuit by the comparing circuit.
    • 一种具有光发射器和光接收器的片材检测装置,用于通过片材传送路径接收从发光器发射的光,其中光接收器检测来自光发射器的光量的任何变化, 设置有用于驱动光发射器的V / I转换电路,用于对V / I转换电路进行负反馈的比较电路, 通过输出信号,并且改变发光体的光量;以及限制电路,用于通过比较电路对在V / I转换电路上进行的负反馈进行限制。