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    • 51. 发明申请
    • Apparatus and method for measuring sound field
    • 用于测量声场的装置和方法
    • US20070030978A1
    • 2007-02-08
    • US11496474
    • 2006-08-01
    • Yasuyuki KinoAkira SakamotoTokihiko SawashiKoji KobayashiMasahiro Okuno
    • Yasuyuki KinoAkira SakamotoTokihiko SawashiKoji KobayashiMasahiro Okuno
    • H04R29/00
    • H04S7/30G01H5/00H04R29/00H04R2499/13H04S7/307
    • A sound field measurement apparatus includes a signal generating unit for outputting a burst signal, a driving unit for driving a speaker using the burst signal, a microphone for picking up an audio output from the speaker, an analog-digital converter for performing analog-digital conversion processing on an output signal from the microphone and outputting picked-up audio data, a filtering unit for performing filtering processing on the picked-up audio data, and an analyzing unit for determining a propagation time of the audio output from the speaker to the microphone in accordance with data output from the filtering unit. In this sound field measuring apparatus, the filtering unit is an IIR filter configured to filter the picked-up audio data forward and then backward along a time axis, or an IIR filter configured to filter the picked-up audio data backward and then forward along the time axis.
    • 声场测量装置包括用于输出脉冲串信号的信号产生单元,用于使用脉冲串信号驱动扬声器的驱动单元,用于拾取来自扬声器的音频输出的麦克风,用于执行模拟数字 对来自麦克风的输出信号进行转换处理并输出拾取音频数据;滤波单元,用于对所拾取的音频数据进行滤波处理;以及分析单元,用于确定从扬声器输出的音频的传播时间 麦克风根据过滤单元输出的数据。 在该声场测量装置中,滤波单元是被配置为沿着时间轴向前,然后向后过滤所拾取的音频数据的IIR滤波器,或者被配置为向后过滤所拾取的音频数据然后向前沿 时间轴。
    • 59. 发明授权
    • Sensor head and optical sensor
    • 传感器头和光学传感器
    • US08934739B2
    • 2015-01-13
    • US13198268
    • 2011-08-04
    • Daisuke AwajiAkira Sakamoto
    • Daisuke AwajiAkira Sakamoto
    • G02B6/00G01L9/00G01L11/02
    • G01L9/0077G01L11/025
    • A sensor head for an optical pressure sensor according to the present invention includes: a light-emitting optical fiber for transmitting light emitted from a light source; a reflecting plate whose position relative to an end surface of the light-emitting optical fiber moves in accordance with a pressure and which reflects the light emitted from the end surface of the light-emitting optical fiber; a first optical fiber and a second optical fiber, each of which has an end surface that the light reflected by the reflecting plate enters, the first optical fiber transmitting the light thus entered to a first photodetector and the second optical fiber transmitting the light thus entered to a second photodetector; and a light-intensity variation section that changes a transmission loss in the light-emitting optical fiber in accordance with a change in humidity in the sensor head.
    • 根据本发明的用于光学压力传感器的传感器头包括:发光光纤,用于发射从光源发射的光; 反射板,其相对于发光光纤的端面的位置根据压力移动并反射从发光光纤的端面发射的光; 第一光纤和第二光纤,每个光纤具有端面,反射板反射的光进入第一光纤,第一光纤将这样输入的光传输到第一光电检测器,第二光纤传输如此进入的光 到第二光电检测器; 以及根据传感器头中的湿度变化而改变发光光纤中的传输损耗的光强度变化部分。
    • 60. 发明授权
    • Fixing device and image-forming apparatus including the same
    • 固定装置和包括该固定装置的图像形成装置
    • US08750777B2
    • 2014-06-10
    • US13372162
    • 2012-02-13
    • Takashi MatsubaraAkira Sakamoto
    • Takashi MatsubaraAkira Sakamoto
    • G03G15/20
    • G03G15/2007G03G15/20G03G15/2003
    • A fixing device includes an irradiation unit, disposed opposite a recording medium, that includes laser light sources arranged in a direction crossing a movement direction of the recording medium and capable of emitting laser light with variable emission intensity and that irradiates a surface of the recording medium with the laser light emitted from the laser light sources in a substantially elongated irradiation region extending at a corresponding position in the arrangement direction of the laser light sources; an irradiation-width changing unit that changes the irradiation width of the irradiation region in a longitudinal direction thereof, with all the laser light sources of the irradiation unit turned on; and an irradiation-intensity adjusting unit that adjusts the irradiation intensity in the irradiation region having the irradiation width thereof changed by the irradiation-width changing unit to a predetermined required irradiation intensity.
    • 定影装置包括:与记录介质相对设置的照射单元,其包括沿与记录介质的移动方向交叉的方向布置的激光源,并且能够发射具有可变发射强度的激光,并且照射该记录介质的表面 从激光源发射的激光以在激光光源的排列方向上的对应位置延伸的大致细长的照射区域中; 照射单元的所有激光源导通的照射宽度改变单元,其改变照射区域的纵向照射宽度; 以及照射强度调节单元,其将具有被照射宽度改变单元改变的照射宽度的照射区域中的照射强度调节到预定的所需照射强度。