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    • 1. 发明申请
    • SOLID-STATE IMAGING DEVICE
    • 固态成像装置
    • US20100309352A1
    • 2010-12-09
    • US12792241
    • 2010-06-02
    • Hiroshi MASHIYAMASatoshi Akabane
    • Hiroshi MASHIYAMASatoshi Akabane
    • H04N5/335
    • H04N5/335H04N5/355H04N5/3591H04N5/3745H04N5/37452
    • According to one embodiment, a solid-state imaging device includes a photoelectric conversion section, first circuit, second circuit, and third circuit. The photoelectric conversion section generates signal charge corresponding to the intensity of the irradiation light. The first circuit reads the signal charge generated by the photoelectric conversion section. The second circuit detects that the signal charge in the photoelectric conversion section has overflowed. The third circuit produces a signal corresponding to the time elapsed from the start of generation of the signal charge in the photoelectric conversion section, and holds and reads the signal at a timing at which the overflow has been detected by the second circuit.
    • 根据一个实施例,固态成像装置包括光电转换部分,第一电路,第二电路和第三电路。 光电转换部生成与照射光的强度对应的信号电荷。 第一电路读取由光电转换部产生的信号电荷。 第二电路检测到光电转换部分中的信号电荷已经溢出。 第三电路产生对应于从光电转换部分中的信号电荷的产生开始所经过的时间的信号,并且在第二电路已经检测到溢出的定时保持和读取该信号。
    • 2. 发明申请
    • A/D CONVERTER AND SOLID-STATE IMAGING DEVICE
    • A / D转换器和固态成像装置
    • US20110068967A1
    • 2011-03-24
    • US12872417
    • 2010-08-31
    • Hiroshi MASHIYAMASatoshi Akabane
    • Hiroshi MASHIYAMASatoshi Akabane
    • H03M1/34
    • H03M3/04H03M1/56H04N5/378
    • According to one embodiment, an A/D converter includes a determination circuit configured to determine whether a first analog signal is greater than a second analog signal or not, the first analog signal being a present A/D conversion target, the second analog signal being an immediately preceding A/D conversion target, a calculation circuit configured to add a reference voltage to a difference obtained by subtracting the second analog signal from the first analog signal, a generation circuit configured to generate a comparison voltage, a comparator configured to compare a calculated value of the calculation circuit with the comparison voltage, and a conversion circuit configured to convert a period into a digital signal, the period being required until the calculated value is identical with the comparison voltage by the comparator.
    • 根据一个实施例,A / D转换器包括确定电路,其被配置为确定第一模拟信号是否大于第二模拟信号,第一模拟信号是当前A / D转换目标,第二模拟信号是 紧接在前的A / D转换目标,计算电路,被配置为将参考电压加到通过从第一模拟信号中减去第二模拟信号而获得的差值,生成电路,被配置为产生比较电压;比较器, 具有比较电压的计算电路的计算值;以及转换电路,被配置为将周期转换为数字信号,所需的周期直到计算值与比较电压的比较电压相同。