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    • 1. 发明申请
    • Lighting-drive device, light source device, and display device
    • 照明驱动装置,光源装置和显示装置
    • US20070132402A1
    • 2007-06-14
    • US11589266
    • 2006-10-26
    • Yoshimasa KittaKenichi KobayashiHitoshi Akiho
    • Yoshimasa KittaKenichi KobayashiHitoshi Akiho
    • H05B41/36
    • H05B41/04
    • A lighting-drive device includes: a lighting-drive circuit configured to drive a lamp for lighting of the lamp; an activation circuit configured to produce an activation voltage to be applied to the lamp in order to start lighting of the lamp; and an activation operation detector configured to be provided with a sensing member for sensing an induced voltage and output an operation state notification signal depending on a state of the induced voltage. The sensing member is provided on a circuit substrate on which the activation circuit is formed in such a manner as to be allowed to sense the induced voltage. The activation current flows in response to the activation voltage produced by the activation circuit. The operation state notification signal indicates whether or not the activation circuit has operated normally. The lighting-drive circuit, the activation circuit and the activation operation detector are integrated into one single component.
    • 一种照明驱动装置,包括:照明驱动电路,被配置为驱动灯的点亮灯; 激活电路,其被配置为产生要施加到所述灯的激活电压,以便开始所述灯的点亮; 以及启动操作检测器,其被配置为设置有用于感测感应电压的感测构件,并且根据感应电压的状态输出操作状态通知信号。 感测构件设置在电路基板上,激活电路以其被允许感测感应电压的方式形成。 激活电流响应于由激活电路产生的激活电压而流动。 操作状态通知信号指示启动电路是否正常工作。 照明驱动电路,激活电路和激活操作检测器被集成到一个单一部件中。
    • 7. 发明授权
    • Signal processing apparatus, signal processing method, and reception system
    • 信号处理装置,信号处理方法和接收系统
    • US08358722B2
    • 2013-01-22
    • US12833409
    • 2010-07-09
    • Tadaaki YubaTakuya OkamotoYuken GotoKenichi Kobayashi
    • Tadaaki YubaTakuya OkamotoYuken GotoKenichi Kobayashi
    • H04L27/06
    • H04L27/2675H04L27/2613H04L27/2659H04L27/2666H04L27/2672H04L27/2682H04L27/2685
    • Disclosed herein is a signal processing apparatus including a processing block configured to perform a carrier shift amount detection process for detecting a carrier shift amount constituting a carrier error used for demodulating an orthogonal frequency division multiplexing signal known as the OFDM signal; and a correction block configured to correct the OFDM signal in accordance with the carrier shift amount. The OFDM signal includes a first preamble signal including subcarriers, and a second preamble signal including subcarriers of which the spacing is narrower than the spacing of the subcarriers included in the first preamble signal. The second preamble signal includes pilot signals which are known signals located at intervals of a predetermined number of subcarriers. The processing block detects the carrier shift amount using a correlation of the subcarriers included in one such second preamble signal.
    • 这里公开了一种信号处理装置,包括:处理块,被配置为执行用于检测构成用于解调称为OFDM信号的正交频分复用信号的载波误差的载波移位量的载波移位量检测处理; 以及校正块,被配置为根据载波移位量校正OFDM信号。 OFDM信号包括包括子载波的第一前导码信号和包括间隔窄于包括在第一前导信号中的子载波的间隔的子载波的第二前导码信号。 第二前导信号包括作为以预定数量的副载波间隔设置的已知信号的导频信号。 处理块使用包括在一个这样的第二前导信号中的子载波的相关性来检测载波移位量。