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    • 1. 发明授权
    • Light-emitting device, driving circuit, driving method, electronic apparatus, and image forming apparatus
    • 发光装置,驱动电路,驱动方法,电子装置和图像形成装置
    • US07944459B2
    • 2011-05-17
    • US11470920
    • 2006-09-07
    • Takao Miyazawa
    • Takao Miyazawa
    • G09G5/10
    • G09G3/3283G09G3/2014G09G2310/027
    • A light-emitting device includes a plurality of light-emitting elements, each emitting light with a light amount according to a driving signal, a storage unit that stores first gray-scale data for assigning a gray-scale value of each of the plurality of light-emitting elements, a data processing unit that generates second gray-scale data from the first gray-scale data stored in the storage unit for each light-emitting element such that, as the gray-scale value assigned by the first gray-scale data is large, a gray-scale value assigned by the second gray-scale data is made small, and a driving unit that causes the individual light-emitting elements to emit light in a first period upon supply of a driving signal according to the first gray-scale data stored in the storage unit, and causes the individual light-emitting elements to emit light in a second period different from the first period upon supply of a driving signal according to the second gray-scale data generated by the data processing unit.
    • 发光装置包括多个发光元件,每个发光元件根据驱动信号发光量为光量;存储单元,存储第一灰度数据,用于分配多个发光元件的灰度值 发光元件,数据处理单元,其从对于每个发光元件存储在存储单元中的第一灰度数据生成第二灰度数据,使得作为由第一灰度级分配的灰度值 数据较大,由第二灰度数据分配的灰度值变小,以及驱动单元,其使得各个发光元件在根据第一个数据提供驱动信号时在第一周期中发光 存储在存储单元中的灰度数据,并且在根据由数据处理产生的第二灰度数据提供驱动信号时,使各个发光元件在与第一周期不同的第二周期内发光 论文单位
    • 2. 发明授权
    • Exposure device and image forming apparatus
    • 曝光装置和图像形成装置
    • US07609285B2
    • 2009-10-27
    • US11849514
    • 2007-09-04
    • Takao Miyazawa
    • Takao Miyazawa
    • B41J2/45
    • G03G15/04045G03G2215/0412
    • An exposure device includes a first light source column, a second light source column, and a light converger. A distance along a first direction between the center of a first light source of the first light source column and the center of a second light source of the second light source column, which is located to a second direction relative to the first light source, is larger than a distance along the first direction between the center of a third light source of the first light source column, which is located farther from an optical axis of the light converger than the first light source and the center of a fourth light source of the second light source column, which is located to the second direction relative to the third light source.
    • 曝光装置包括第一光源列,第二光源列和光收敛器。 第一光源列的第一光源的中心与第二光源列的第二光源的中心相对于第一光源位于第二方向上的第一方向的距离为 大于距第一光源列的第三光源的中心与第一光源的光会聚的光轴更远的第一光源列的中心与第一光源的第四光源的中心之间的距离 第二光源列,其相对于第三光源位于第二方向。
    • 3. 发明授权
    • Sensor device
    • 传感器装置
    • US09030204B2
    • 2015-05-12
    • US13525695
    • 2012-06-18
    • Takao MiyazawaJuri Kato
    • Takao MiyazawaJuri Kato
    • G01R29/12G01N27/02G01R27/08G01N17/04G01R31/04
    • G01R29/12G01N17/04G01N27/021G01R27/08
    • A sensor device includes a first electrode, a second electrode, a gap forming member and a functional element. The first electrode is composed of a first metallic material. The second electrode is spaced apart from the first electrode, and composed of a second metallic material. The gap forming member is arranged with a gap being formed between the gap forming member and a portion of a surface of the first electrode. The functional element is configured and arranged to measure a difference in electric potential between the first electrode and the second electrode so that a state of a measurement site to be measured is measured based on the difference in electric potential as measured by the functional element.
    • 传感器装置包括第一电极,第二电极,间隙形成部件和功能元件。 第一电极由第一金属材料构成。 第二电极与第一电极间隔开,并由第二金属材料构成。 间隙形成构件被布置成在间隙形成构件和第一电极的表面的一部分之间形成间隙。 功能元件被配置和布置成测量第一电极和第二电极之间的电位差,使得基于由功能元件测量的电位差来测量待测量的测量部位的状态。
    • 5. 发明授权
    • Optical recording regeneration apparatus with compensation circuit
    • 带补偿电路的光记录再生装置
    • US5493549A
    • 1996-02-20
    • US343270
    • 1994-11-22
    • Takao Miyazawa
    • Takao Miyazawa
    • G11B7/125G11B27/36
    • G11B7/126G11B27/36
    • An optical recording regeneration apparatus with a compensation circuit is provided. In the apparatus, a recording state detection circuit detects the recording state of recorded data and generates state data indicative of the recording state. A modulation control circuit compares the state data with a specified value and generates the comparison results. A drive circuit adjusts the power level and/or the pulse width of the laser beam in accordance with the comparison results. Thus, the power level and/or the pulse width of the laser beam can maintain at an optimum value without being affected by variations in disk recording sensitivity resulting from temperature or other changes over time.
    • 提供具有补偿电路的光记录再生装置。 在该装置中,记录状态检测电路检测记录数据的记录状态并产生指示记录状态的状态数据。 调制控制电路将状态数据与指定值进行比较,并生成比较结果。 驱动电路根据比较结果调整激光束的功率电平和/或脉冲宽度。 因此,激光束的功率电平和/或脉冲宽度可以保持在最佳值,而不受温度或其他随时间变化的光盘记录灵敏度的变化的影响。
    • 7. 发明授权
    • Electro optical device, method for correcting light intensity of an electro optical element, and electronic apparatus
    • 电光装置,电光元件的光强度校正方法以及电子设备
    • US07550702B2
    • 2009-06-23
    • US11748192
    • 2007-05-14
    • Takao Miyazawa
    • Takao Miyazawa
    • G01J1/32B41J2/435
    • H04N1/40031G01J2001/4247G09G3/20G09G3/3208G09G2320/0233G09G2320/0285G09G2320/043G09G2360/147
    • A correction value determining method for each of a plurality of electro optical elements whose light intensity is controlled in accordance with a gray scale value and a correction value, the method comprising the steps described below. (a) Measuring a light intensity of the each electro optical element when the same gray scale value is specified to each of the electro optical elements. (b) Determining the correction value for each of the plurality of electro optical elements so that a light intensity after correction of one of the electro optical elements when a predetermined gray scale value is specified thereto whose light intensity measured in step (a) is a first light intensity exceeds a light intensity after correction of another one of the electro elements when the predetermined gray scale value is specified thereto whose light intensity measured in step (a) is a second light intensity which exceeds the first light intensity.
    • 一种校正值确定方法,用于根据灰度值和校正值控制光强度的多个电光元件中的每一个,所述方法包括以下步骤。 (a)当对每个电光元件规定相同的灰度值时,测量每个电光元件的光强度。 (b)确定多个电光元件中的每一个的校正值,使得在规定了在步骤(a)中测量的光强度为规定的灰度值时的电光学元件的校正后的光强度为 当规定的灰度值被规定为步骤(a)中测量的光强度是超过第一光强度的第二光强度时,第一光强度超过另一个电子元件的校正后的光强度。
    • 9. 发明授权
    • Corrosion detection sensor device having coating film and measurement method
    • 具有涂膜和测量方法的腐蚀检测传感器装置
    • US08937476B2
    • 2015-01-20
    • US13426938
    • 2012-03-22
    • Juri KatoTakao Miyazawa
    • Juri KatoTakao Miyazawa
    • G01N17/02G01N27/26G01N27/416G01N33/20G01N33/38G01N27/12
    • G01N17/02G01N27/125G01N27/4167G01N31/221G01N33/20G01N33/383
    • A sensor device includes first and second electrodes, a coating film and a functional element. The first electrode includes a first metallic material in which either a first passivation film forms on a surface thereof or the first passivation film present on the surface thereof is lost, in association with changes in the pH of a measurement site. The second electrode includes a second metallic material different from the first metallic material, and is spaced apart from the first electrode. The coating film includes a third metallic material different from the first and second metallic materials. The coating film covers at least the first or second electrode. The functional element is configured to measure a difference in electric potential between the first and second electrodes that changes depending on presence or absence of each of the first passivation film and the coating film in association with the changes in pH.
    • 传感器装置包括第一和第二电极,涂膜和功能元件。 第一电极包括第一金属材料,其中在其表面上形成第一钝化膜或其表面上存在的第一钝化膜与测量部位的pH的变化相关联。 第二电极包括与第一金属材料不同的第二金属材料,并且与第一电极间隔开。 涂膜包括不同于第一和第二金属材料的第三金属材料。 涂膜至少覆盖第一或第二电极。 功能元件被配置为测量第一和第二电极之间的电位差,这取决于第一钝化膜和涂膜中的每一个与pH的变化相关联地存在或不存在。