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    • 63. 发明授权
    • Amplifying circuit for dynamic focus
    • 放大电路用于动态对焦
    • US5534757A
    • 1996-07-09
    • US329279
    • 1994-10-26
    • Masahiro Takatori
    • Masahiro Takatori
    • H04N5/16H04N3/26G09G1/04
    • H04N3/26
    • An amplifying circuit for dynamic focus of the invention applies, in a DC feedback loop of amplifying circuit for horizontal dynamic focus, a parabolic waveform signal for correction of vertical dynamic focus to a non-inverting input terminal or inverting input terminal of a detection amplifier for DC feedback, or to an input terminal of a DC control circuit, and superposes on a parabolic waveform signal for correction of horizontal dynamic focus in an amplifying circuit for horizontal dynamic focus through the DC control circuit, thereby stabilizing the DC action point in the amplifying circuit for horizontal dynamic focus, and also obtaining the parabolic waveform signal for correction of horizontal dynamic focus superposing the parabolic waveform signal for correction of vertical dynamic focus from the output terminal of the amplifying circuit for horizontal dynamic focus. Therefore, the amplifying circuit for vertical dynamic focus required in the prior art is not necessary, and hence the circuit may be simplified.Moreover, it is free from distortion of waveform, as experienced in the prior art, when adding after individually amplifying the parabolic waveform signal for correction of horizontal dynamic focus and parabolic waveform signal for correction of vertical dynamic focus, and therefore the distortion can be kept low as compared with the prior art.
    • 本发明的放大电路用于水平动态聚焦放大电路的直流反馈环路,用于将垂直动态焦点校正到用于检测放大器的非反相输入端或反相输入端的抛物线波形信号, DC反馈或直流控制电路的输入端子,并且通过DC控制电路叠加在用于水平动态聚焦的放大电路中用于校正水平动态聚焦的抛物线波形信号,从而稳定放大中的DC动作点 用于水平动态聚焦的电路,并且还获得用于校正水平动态聚焦的抛物线波形信号,用于叠加用于水平动态聚焦的放大电路的输出端的用于校正垂直动态焦点的抛物线波形信号。 因此,现有技术中所需的用于垂直动态聚焦的放大电路不是必需的,因此可以简化电路。 此外,如现有技术中经历的那样,当单独放大用于校正水平动态聚焦的抛物线波形信号和用于校正垂直动态聚焦的抛物线波形信号之后,不加入波形失真,因此可以保持失真 与现有技术相比较低。
    • 64. 发明授权
    • Television receiver and method for providing information to the same
    • 电视接收机和提供信息的方法
    • US08161509B2
    • 2012-04-17
    • US10344569
    • 2002-06-07
    • Masahiro Takatori
    • Masahiro Takatori
    • H04N7/10H04N7/025H04N7/173
    • H04N21/4316H04N5/4401H04N5/445H04N5/45H04N21/4622H04N21/47H04N21/6547H04N21/8586
    • A television broadcasting device 1 transmits a television signal onto which control data for controlling a browser function of a television receiver 2 has been multiplexed. A television screen generating section 20 generates a television screen based on the received television signal. A browser display instruction obtaining section 71, a URL obtaining section 72, and a display style information obtaining section 73 extract the control data multiplexed onto the television signal. When a browser display instruction 111 is received, a microcomputer 51 receives a content 102 corresponding to a URL 112 from a server 3, and generates a browser screen based thereon. A screen combining section 30 combines the browser screen with the television screen in accordance with display style information 113 received from the microcomputer 51. Thus, it is possible to display the browser screen in a combined form with the television screen in accordance with a display style designated by a broadcaster of the television signal.
    • 电视广播设备1发送用于控制电视接收机2的浏览器功能的控制数据已被多路复用的电视信号。 电视画面生成部20基于接收到的电视信号生成电视画面。 浏览器显示指示获取部分71,URL获取部分72和显示样式信息获取部分73提取多路复用到电视信号上的控制数据。 当接收到浏览器显示指令111时,微型计算机51从服务器3接收对应于URL 112的内容102,并且基于此产生浏览器屏幕。 屏幕组合部分30根据从微计算机51接收的显示风格信息113将浏览器屏幕与电视屏幕组合在一起。因此,可以根据显示风格以电视屏幕的组合形式显示浏览器屏幕 由广播电视台指定的信号。