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    Broadcasting signal receiving apparatus and control method thereof
    4.
    发明公开
    Broadcasting signal receiving apparatus and control method thereof 审中-公开
    广播信号接收它们的装置及控制方法

    公开(公告)号：EP2237415A3

    公开(公告)日：2013-04-24

    申请号：EP10151920.5

    申请日：2010-01-28

    申请人： Samsung Electronics Co., Ltd.

    发明人： Choi, Young-ho

    IPC分类号： H03G3/30 ,  H04N5/52

    CPC分类号： H03G3/3052 ,  H04N5/52 ,  H04N21/4383 ,  H04N21/6112

    摘要： Disclosed are a broadcasting signal receiving apparatus and a control method thereof. The broadcasting signal receiving apparatus comprises: a signal receiver which receives a broadcasting signal comprising at least one future extension frame; a signal sensor which senses a level of the received broadcasting signal; an automatic gain controller which performs automatic gain control to make the broadcasting signal have a certain level according to the sensed level of the broadcasting signal; and a control signal generator which generates a control signal to apply the automatic gain control to the broadcasting signal according to whether the broadcasting signal is in the future extension frame. With this, the AGC is performed according to whether it is the future extension frame or not, thereby preventing the signal from distortion, real-time controlling the AGC to be performed or frozen, and improving adjacent channel interference rate characteristics.

    Breitbandverstärker
    5.
    发明公开
    Breitbandverstärker 有权

    公开(公告)号：EP2254242A1

    公开(公告)日：2010-11-24

    申请号：EP10003889.2

    申请日：2010-04-13

    申请人： ASC-TEC AG Antennen-Satelliten-Communication-Technik

    发明人： Die Erfindernennung liegt noch nicht vor

    IPC分类号： H03G3/30 ,  H04N5/52

    CPC分类号： H03G1/02 ,  H03G3/3036 ,  H03G3/3052 ,  H04N7/102 ,  H04N7/17309 ,  H04N21/6118 ,  H04N21/6168

    摘要： Die Erfindung betrifft einen Breitbandverstärker (1) zur Verwendung in einem Breitbandkabelnetz, insbesondere in einem Breitbandkabelnetz zur Übertragung von Fernsehsignalen, mit einem Eingang (3) und einem mit dem Eingang (3) verbundenen Verstärker (2), wobei eine mit dem Eingang (3) verbundene Kontrolleinrichtung (11) vorgesehen ist, die geeignet ist, in Abhängigkeit von einem über den Eingang (3) empfangenen Signal den Verstärker (2) zu steuern.

    摘要翻译： 宽带放大器（1）具有与放大器（2）连接的输入（3）。 控制模块（11）通过返回路径模块与输入端连接，其中返回路径模块具有控制返回信号电平的电平控制器（20）。 控制模块根据输入接收到的信号控制放大器。 开关被布置成使得输出通过开关选择性地连接到两个信号路径之一。 监控装置与控制模块连接，用于监控宽带放大器。 还包括用于监视宽带放大器的方法的独立权利要求。

    Television receiver
    8.
    发明公开
    Television receiver 审中-公开
    Fernsehempfänger

    公开(公告)号：EP1995955A2

    公开(公告)日：2008-11-26

    申请号：EP08009300.8

    申请日：2008-05-20

    申请人： Funai Electric Co., Ltd.

    发明人： Ikuwa, Akitsugu

    IPC分类号： H04N5/52

    CPC分类号： H04N5/52 ,  H04N5/21 ,  H04N5/44504 ,  H04N5/57 ,  H04N21/4318 ,  H04N21/44008

    摘要： The present invention discloses a television receiver 100 that extracts a video signal from a received television broadcast signal and displays video on a screen 15a based on the video signal, the television receiver 100 characterized by comprising: a snow noise detection unit U1 that detects snow noise of the video displayed on the screen 15a; a brightness amplitude reduction unit U2 that displays a translucent image to reduce brightness amplitude of the screen 15a while displaying the snow noise if the snow noise detection unit U1 detects the snow noise; and the brightness amplitude reduction unit U2 that displays, on the screen 15a, video without the translucent, if the snow noise detection unit U1 does not detect the snow noise.

    摘要翻译： 本发明公开了一种从接收的电视广播信号中提取视频信号并基于视频信号在屏幕15a上显示视频的电视接收机100，其特征在于包括：雪噪声检测单元U1，其检测雪噪声 显示在屏幕15a上的视频; 亮度振幅降低单元U2，如果雪噪声检测单元U1检测到雪噪声，则显示半透明图像以降低屏幕15a的亮度振幅，同时显示雪噪声; 以及如果雪噪声检测单元U1未检测到雪噪声，则在屏幕15a上显示没有半透明的视频的亮度振幅降低单元U2。

    APPARATUS AND METHOD FOR PROVIDING AN AGC FUNCTION USING MULTIPLE FEEDBACK SOURCES
    9.
    发明授权
    APPARATUS AND METHOD FOR PROVIDING AN AGC FUNCTION USING MULTIPLE FEEDBACK SOURCES 有权
    设备和方法提供AGC功能使用多重反馈源

    公开(公告)号：EP1645117B1

    公开(公告)日：2007-12-05

    申请号：EP04777684.4

    申请日：2004-07-08

    申请人： Thomson Licensing

    发明人： HUTCHINSON, Daniel, Mark ,  ECOFF, Clint, Alan ,  GRUBBS, Gary, Dean ,  MAYER, Matthew, Thomas

    IPC分类号： H04N5/52

    CPC分类号： H03G3/3052 ,  H03G3/3068 ,  H04N5/4401 ,  H04N5/46 ,  H04N5/52

    摘要： An apparatus (20) such as a television signal receiver provides an AGC function by using multiple feedback sources which provide both narrow band and wide band AGC signals in an adaptive manner. According to an exemplary embodiment, the apparatus (20) includes a tuner (10, 15, 20, 25, 30) operative to generate first and second IF signals. A first demodulator (40) is operative to generate a first AGC signal responsive to the first IF signal. A second demodulator (50) is operative to generate a second AGC signal responsive to the second IF signal. A wide band AGC detector (60) is operative to generate a third AGC signal responsive to at least one of the first and second IF signals. A switch (70) is operative to selectively provide one of the first, second and third AGC signals to the tuner (10, 15, 20, 25, 30) responsive to a predetermined condition.

    ANALOG/DIGITAL-COMPATIBLE FRONT-END MODULE
    10.
    发明公开
    ANALOG/DIGITAL-COMPATIBLE FRONT-END MODULE 审中-公开
    模拟/数字 - 前端模块

    公开(公告)号：EP1694062A4

    公开(公告)日：2006-12-06

    申请号：EP04793327

    申请日：2004-10-27

    申请人： SANYO ELECTRIC CO ,  SANYO TUNER IND CO LTD

    发明人： OKUMA HIDEYUKI

    IPC分类号： H04N5/46 ,  H03G3/20 ,  H03G3/30 ,  H04B1/10 ,  H04B1/16 ,  H04B1/26 ,  H04N5/52

    CPC分类号： H04N5/52 ,  H04N5/4401 ,  H04N5/4446 ,  H04N5/46 ,  H04N21/42638

    摘要： A analog/digital-compatible front-end module comprising a high frequency amplifier (9) for amplifying a high frequency signal received by an antenna (1); a frequency converter circuit (11) for frequency converting an output signal from the high frequency amplifier (9) to output an intermediate frequency signal; an analog demodulator (5); a digital demodulator (6); an analog/digital switch (4) for selectively supplying the output signal from the frequency converter circuit (11) to the analog demodulator (5) or to the digital demodulator (6); and an AGC signal switch (7) for controlling the gain of the high frequency amplifier (9) in accordance with a gain control signal from the analog demodulator (5) during an analog broadcast reception, while controlling the gain of the high frequency amplifier (9) in accordance with a gain control signal produced from the output signal from frequency converter circuit (11) during a digital broadcast reception.