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    • 5. 发明申请
    • FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME
    • 固定装置和具有该装置的图像形成装置
    • US20100196038A1
    • 2010-08-05
    • US12698383
    • 2010-02-02
    • Atsushi YAMAGUCHISeiichi KirikuboAkihiro HayashiYutaka YamamotoNaoto Sugaya
    • Atsushi YAMAGUCHISeiichi KirikuboAkihiro HayashiYutaka YamamotoNaoto Sugaya
    • G03G15/20
    • G03G15/2039
    • While a recording sheet is passing through a fixing nip formed between a heating roller 41 having a heating layer and a pressing roller 42 pressed against the roller 41, a coil 43 is exited by high-frequency power from a power source and causes the layer to generate heat. An unfixed image on the recording sheet is fixed by the heat. The power source detects a zero cross timing of a rectified alternating current, detects an instantaneous value at a point a predetermined period after the zero cross timing, calculates an effective power of the alternating current based on the instantaneous value, and controls the output power to be a desired value determined based on the effective power and the surface temperature of the roller 41. Thus power input to the power source can be quickly detected and power output to the coil can be quickly and stably controlled.
    • 当记录片材通过形成在具有加热层的加热辊41和压靠在辊41上的加压辊42之间的定影辊隙时,线圈43通过来自电源的高频电力而退出, 发热。 记录纸上的未固定图像由热量固定。 电源检测整流交流电的零交叉定时,在零交叉定时之后的预定时间段检测瞬时值,基于瞬时值计算交流电的有效功率,并将输出功率控制为 是基于辊41的有效功率和表面温度确定的期望值。因此,可以快速检测到电源的输入功率,并且能够快速且稳定地控制对线圈的功率输出。
    • 6. 发明授权
    • Fixing device and image forming apparatus having the same
    • 固定装置及其成像装置
    • US08615179B2
    • 2013-12-24
    • US12698383
    • 2010-02-02
    • Atsushi YamaguchiSeiichi KirikuboAkihiro HayashiYutaka YamamotoNaoto Sugaya
    • Atsushi YamaguchiSeiichi KirikuboAkihiro HayashiYutaka YamamotoNaoto Sugaya
    • G03G15/20
    • G03G15/2039
    • While a recording sheet is passing through a fixing nip formed between a heating roller 41 having a heating layer and a pressing roller 42 pressed against the roller 41, a coil 43 is exited by high-frequency power from a power source and causes the layer to generate heat. An unfixed image on the recording sheet is fixed by the heat. The power source detects a zero cross timing of a rectified alternating current, detects an instantaneous value at a point a predetermined period after the zero cross timing, calculates an effective power of the alternating current based on the instantaneous value, and controls the output power to be a desired value determined based on the effective power and the surface temperature of the roller 41. Thus power input to the power source can be quickly detected and power output to the coil can be quickly and stably controlled.
    • 当记录片材通过形成在具有加热层的加热辊41和压靠在辊41上的加压辊42之间的定影辊隙时,线圈43通过来自电源的高频电力而退出, 发热。 记录纸上的未固定图像由热量固定。 电源检测整流交流电的零交叉定时,在零交叉定时之后的预定时间段检测瞬时值,基于瞬时值计算交流电的有效功率,并将输出功率控制为 是基于辊41的有效功率和表面温度确定的期望值。因此,可以快速检测到电源的输入功率,并且能够快速且稳定地控制对线圈的功率输出。
    • 7. 发明申请
    • METHOD FOR DESIGNING AUDIO SIGNAL PROCESSING SYSTEM FOR HEARING AID, AUDIO SIGNAL PROCESSING SYSTEM FOR HEARING AID, AND HEARING AID
    • 用于听力助听器的音频信号处理系统,用于听力助听器和听力助听器的音频信号处理系统的设计方法
    • US20110135130A1
    • 2011-06-09
    • US13057286
    • 2009-08-03
    • Yutaka YamamotoMasaaki Nagajara
    • Yutaka YamamotoMasaaki Nagajara
    • H04R25/00
    • H04R25/353H04R25/356H04R2225/43
    • A hearing aid tailored to a hard-of-hearing person is designed using sampled-data control theory. The method is for designing an audio signal processing system for a hearing aid, wherein the system comprises an AD converter for converting an analog audio input signal (yc) inputted to the hearing aid into a digital audio input signal, a hearing aid digital filter (K(z)) for performing a signal processing on the digital audio input signal outputted from the AD converter, and a DA converter for converting a digital signal outputted from the hearing aid digital filter into an analog audio output signal to be outputted to the hard-of-hearing person. The hearing aid digital filter (K(z)) is designed according to sampled-data control theory so as to reduce an error (ec) occurring between: a restored analog signal (zc) obtained from filtering the analog audio output signal outputted from the DA converter through an analog filter (P(s)) that has characteristics corresponding to auditory characteristics of the hard-of-hearing person; and the analog audio signal (yc) inputted to the hearing aid.
    • 使用采样数据控制理论设计了针对难听者的助听器。 该方法用于设计用于助听器的音频信号处理系统,其中该系统包括用于将输入到助听器的模拟音频输入信号(yc)转换为数字音频输入信号的AD转换器,助听器数字滤波器 K(z)),用于对从AD转换器输出的数字音频输入信号执行信号处理;以及DA转换器,用于将从助听数字滤波器输出的数字信号转换为模拟音频输出信号,以输出到硬 听力人。 助听器数字滤波器(K(z))根据采样数据控制原理进行设计,以减少在以下情况之间发生的恢复的模拟信号(zc):从滤波器输出的模拟音频输出信号 DA转换器通过模拟滤波器(P(s))具有对应于难听者的听觉特征的特征; 和输入到助听器的模拟音频信号(yc)。