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    • 2. 发明授权
    • Method for producing hot-rolled steel sheets having a low yield ratio
and a high tensile strength due to dual phase structure
    • 用于生产由于双相结构而具有低屈服比和高拉伸强度的热轧钢板的方法
    • US4502897A
    • 1985-03-05
    • US438844
    • 1982-10-15
    • Masahiko MoritaJunichi ManoMinoru NishidaTomoo TanakaNobuo AoyagiSyoichi Takizawa
    • Masahiko MoritaJunichi ManoMinoru NishidaTomoo TanakaNobuo AoyagiSyoichi Takizawa
    • C22C38/00C21D1/19C21D8/02C21D9/46C22C38/18C22C38/38
    • C21D1/19C21D8/0226C22C38/18C22C38/38C21D2211/005C21D2211/008C21D8/0263
    • The present invention aims to obtain C-Si-Mn-Cr system of hot-rolled dual phase structured steel sheets having a low yield ratio YR of not greater than 65%, an excellent strength-elongation balance M, a low variation in quality and an excellent cold formability through stepwise cooling regulation in the course of cooling from the final rolling to coiling.The present invention is a method for producing hot-rolled steel sheets having a low yield ratio and a high tensile strength due to dual phase structure by effecting the final rolling of a hot-rolled steel sheet containing 0.02-0.2% of C, 0.05-2.0% of Si, 0.5-2.0% of Mn and 0.3-1.5% of Cr as the essential components at a temperature of finishing the final rolling of 780.degree. C., rapidly cooling the thus treated steel sheet at a cooling rate of more than 40.degree. C./S to the temperature range wherein the transformation of .gamma. into .alpha. is efficiently caused corresponding to the components in the steel and the rolling hysteresis, holding the steel sheet at this temperature range for more than 5 seconds and rapidly cooling the thus treated steel sheet at a cooling rate of more than 50.degree. C./S from said held temperature to a temperature of 550.degree.-200.degree. C. to obtain a hot-rolled steel sheet having YR of not greater than 65%, M of not less than 60 and a low variation of quality and an excellent cold formability.
    • PCT No.PCT / JP82 / 00030 Sec。 371日期1982年10月15日 102(e)日期1982年10月15日PCT提交1982年2月2日PCT公布。 公开号WO82 / 02902 日本1982年9月2日。本发明旨在获得低收率比YR为65%以下的热轧双相结构钢板的C-Si-Mn-Cr系,优异的强度伸长率平衡M ,通过从最终轧制到卷取的冷却过程中的逐步冷却调节,质量的差异和优异的冷成形性。 本发明是通过对含有0.02-0.2%C,0.05〜0.2%的热轧钢板进行最终轧制,由于双相结构而制造具有低屈服比和高拉伸强度的热轧钢板的方法, 在2.0%的Si,0.5-2.0%的Mn和0.3-1.5%的Cr作为必要组分,在最终轧制的最终轧制温度为780℃,快速冷却如此处理的钢板以大于 40℃/秒到对应于钢中的成分和轧制滞后有效地将γ转变成α的温度范围,将钢板保持在该温度范围超过5秒并迅速冷却 将处理后的钢板以大于50℃/秒的冷却速度从所述保持温度升温至550〜-200℃,得到YR为65%以下的热轧钢板,M 不低于60,质量变化不大, 优良的冷成型性。
    • 4. 发明申请
    • IMAGE SENSING APPARATUS HAVING ELECTRONIC ZOOM FUNCTION, AND CONTROL METHOD THEREFOR
    • 具有电子变焦功能的图像感应装置及其控制方法
    • US20070296837A1
    • 2007-12-27
    • US11754448
    • 2007-05-29
    • Masahiko Morita
    • Masahiko Morita
    • H04N5/262
    • H04N5/3454H04N5/232H04N5/23245H04N5/23296H04N5/2628
    • In an image sensing apparatus having an image sensing element that senses an object and outputs image data and an electronic zoom function, either a first processing mode or a second processing mode is set and an angle of view is designated. In the first processing mode, the image sensing element is driven by switching reading regions and reading methods of image data from the image sensing element based on the designated angle of view and the image data is read, processed, and the angle of view determined by the switched reading region is changed to the designated angle of view. In the second processing mode, the reading region and the reading method of the image data are fixed and the image data output from the image sensing element is processed, and the angle of view determined by the fixed reading region changed to the designated angle of view.
    • 在具有感测对象的图像感测元件并输出图像数据和电子变焦功能的图像感测装置中,设置第一处理模式或第二处理模式,并且指定视角。 在第一处理模式中,通过基于指定的视角切换读取区域和从图像感测元件读取图像数据的方法来驱动图像感测元件,并且读取,处理图像数据,并且由 切换读取区域改变为指定的视角。 在第二处理模式中,图像数据的读取区域和读取方法是固定的,并且处理从图像感测元件输出的图像数据,并且由固定读取区域确定的视角改变为指定的视角 。