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    • 2. 发明授权
    • Recorder/reproducer
    • 记录器/再现器
    • US06987924B1
    • 2006-01-17
    • US09623560
    • 1999-04-23
    • Kouji FujitaHideo NishijimaMotoyoshi Sasaki
    • Kouji FujitaHideo NishijimaMotoyoshi Sasaki
    • H04N5/91H04N7/08
    • G11B20/00007G11B20/10527H04N5/76H04N5/781H04N5/782H04N5/783H04N5/85H04N5/907H04N9/8042
    • A recorder/reproducer for recording and reproducing signals such as video and audio signals has first and second recording media. When an input signal is recorded on the first recording medium, it is once recorded on the second recording medium, and a certain time later it is transferred to the first recording medium, thus recorded thereon. During this certain time, other signal processings are made, such as recording/reproduction of other signals and discrimination of commercials from the program itself. In addition, when a signal is reproduced from the first recording medium, the signal is once recorded on the second recording medium, and a certain time later reproduced and supplied, and thus similarly other processings can be made during this certain time.
    • 用于记录和再现诸如视频和音频信号的信号的记录器/再现器具有第一和第二记录介质。 当输入信号被记录在第一记录介质上时,它被一次记录在第二记录介质上,并且一定时间后被传送到第一记录介质,从而在其上记录。 在此期间,进行其他信号处理,例如其他信号的记录/再现以及程序本身对商业广告的歧视。 此外,当从第一记录介质再现信号时,该信号被一次记录在第二记录介质上,并在一定时间之后被再现和提供,因此类似地可以在该特定时间内进行其它处理。
    • 6. 发明授权
    • Recording/ reproducing apparatus and input/ output device
    • 记录/再现装置和输入/输出装置
    • US06587638B1
    • 2003-07-01
    • US09399085
    • 1999-09-20
    • Katsuyuki WatanabeHideo NishijimaHiroo OkamotoMotoyoshi Sasaki
    • Katsuyuki WatanabeHideo NishijimaHiroo OkamotoMotoyoshi Sasaki
    • H04N591
    • H04N5/44508H04N5/44504H04N5/85H04N5/913H04N9/7921H04N21/4325H04N21/4334H04N21/435H04N21/4627H04N2005/91314H04N2005/91328H04N2005/91371
    • A recording/reproducing apparatus is provided for effecting digital processing to convert an analog video signal into a digital signal without losing character data superimposed over a vertical blanking period of the analog video signal. The recording/reproducing apparatus for converting the analog video signal into the digital signal and recording/reproducing the converted digital signal has a detector which detects character data, which is superimposed over the vertical blanking period of the received analog video signal, at the recording time. A superimposer which encodes the detected character data and superimposes the encoded character data over a digital signal from which the character data was removed, whereby the digital signal with the superimposed character data is recorded on the recording media. There is also a detector which detects first copy guard data superimposed over the vertical blanking period and second copy guard data superimposed over a color burst signal; and an adder which adds the two detected copy guard data to a signal reproduced from the recording media.
    • 提供了一种用于进行数字处理以将模拟视频信号转换为数字信号而不会丢失在模拟视频信号的垂直消隐周期叠加的字符数据的记录/再现装置。 用于将模拟视频信号转换为数字信号并记录/再现转换的数字信号的记录/再现装置具有检测器,该检测器检测在记录时间叠加在所接收的模拟视频信号的垂直消隐周期上的字符数据 。 编码检测到的字符数据并将编码字符数据叠加在去除了字符数据的数字信号上的叠加器,由此具有叠加的字符数据的数字信号被记录在记录介质上。 还有一个检测器,其检测叠加在垂直消隐周期上的第一复制保护数据和叠加在色同步信号上的第二复制保护数据; 以及将两个检测到的复制保护数据添加到从记录介质再现的信号的加法器。