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    • 1. 发明申请
    • SOLID-STATE IMAGING DEVICE
    • 固态成像装置
    • US20130020471A1
    • 2013-01-24
    • US13638258
    • 2011-03-29
    • Keisuke KorekadoTomoyuki KamiyamaYoichi Nishimura
    • Keisuke KorekadoTomoyuki KamiyamaYoichi Nishimura
    • H01L27/146
    • H04N5/378H03M1/123H03M1/56H04N5/335H04N5/361
    • Disclosed is a solid-state imaging device capable of calculating the difference in charge obtained by photoelectric conversion, and capable of a high level of integration. A solid-state imaging device is provided with an AD converter which is provided with: a first comparator which outputs a signal corresponding to a first analogue signal of a first pixel by comparing said first analogue signal with a reference voltage supplied from the reference voltage generation unit which generates a reference voltage which gradually changes; a second comparator which outputs a signal corresponding to a second analogue signal of a second pixel by comparing said second analogue signal with the reference voltage supplied by the reference voltage generation unit; a difference circuit which finds the difference between the signal corresponding to said first analogue signal and the signal corresponding to said second analogue signal and outputs a difference signal; and a counter circuit which counts the number of pulses in a pulse sequence corresponding to the aforementioned difference signal and converts said difference signal into a digital signal.
    • 公开了能够计算通过光电转换获得的电荷差异并且能够高集成度的固态成像装置。 固态成像装置设置有AD转换器,其具有:第一比较器,其通过将所述第一模拟信号与从参考电压产生提供的参考电压进行比较来输出与第一像素的第一模拟信号相对应的信号 产生逐渐变化的参考电压的单元; 第二比较器,通过将所述第二模拟信号与由参考电压产生单元提供的参考电压进行比较来输出与第二像素的第二模拟信号相对应的信号; 差分电路,其找到与所述第一模拟信号相对应的信号与对应于所述第二模拟信号的信号之间的差异,并输出差分信号; 以及计数器电路,对与上述差分信号相对应的脉冲序列中的脉冲数进行计数,并将所述差分信号转换为数字信号。
    • 2. 发明授权
    • Solid-state imaging device
    • 固态成像装置
    • US08872089B2
    • 2014-10-28
    • US13638258
    • 2011-03-29
    • Keisuke KorekadoTomoyuki KamiyamaYoichi Nishimura
    • Keisuke KorekadoTomoyuki KamiyamaYoichi Nishimura
    • H01L27/146H04N5/378H04N5/335H04N5/361H03M1/12H03M1/56
    • H04N5/378H03M1/123H03M1/56H04N5/335H04N5/361
    • Disclosed is a solid-state imaging device capable of calculating the difference in charge obtained by photoelectric conversion, and capable of a high level of integration. A solid-state imaging device is provided with an AD converter which is provided with: a first comparator which outputs a signal corresponding to a first analog signal of a first pixel by comparing said first analog signal with a reference voltage supplied from the reference voltage generation unit which generates a reference voltage which gradually changes; a second comparator which outputs a signal corresponding to a second analog signal of a second pixel by comparing said second analog signal with the reference voltage supplied by the reference voltage generation unit; a difference circuit which finds the difference between the signal corresponding to said first analog signal and the signal corresponding to said second analog signal and outputs a difference signal; and a counter circuit which counts the number of pulses in a pulse sequence corresponding to the aforementioned difference signal and converts said difference signal into a digital signal.
    • 公开了能够计算通过光电转换获得的电荷差异并且能够高集成度的固态成像装置。 固态成像装置设置有AD转换器,其具有:第一比较器,其通过将所述第一模拟信号与从参考电压产生提供的参考电压进行比较来输出与第一像素的第一模拟信号相对应的信号 产生逐渐变化的参考电压的单元; 第二比较器,通过将所述第二模拟信号与由参考电压产生单元提供的参考电压进行比较来输出与第二像素的第二模拟信号相对应的信号; 差分电路,其找到与所述第一模拟信号相对应的信号与对应于所述第二模拟信号的信号之间的差,并输出差分信号; 以及计数器电路,对与上述差分信号相对应的脉冲序列中的脉冲数进行计数,并将所述差分信号转换为数字信号。
    • 3. 发明申请
    • Optical device and mobile apparatus
    • 光学设备和移动设备
    • US20070296950A1
    • 2007-12-27
    • US11808250
    • 2007-06-07
    • Yoshiaki SakagamiYoichi NishimuraKenji Kadowaki
    • Yoshiaki SakagamiYoichi NishimuraKenji Kadowaki
    • G01C3/08G01B11/14
    • G01S7/4814G01S17/36G01S17/89G02B3/005G02B3/0068
    • An optical device ensuring projection of light over a wide range as well as reduction in size, and a mobile apparatus mounted with the optical device are provided. The optical device (100) includes a light-projecting unit (110) and a light-receiving unit (120). The light-projecting unit (110) has a projector (114) and a lenticular sheet (112) arranged in layers. First and second cylindrical lens arrays having their generatrices orthogonal to each other are formed on the respective surfaces of the sheet (112). The light-receiving unit (120) has a light-receiver (124). The light-projecting unit (110) and the light-receiving unit (120) are arranged adjacent to each other in an integrated manner so that the light-receiver (124) can sense the light emitted from the projector (114) via the sheet (112) and then reflected from an object.
    • 提供了一种保证在宽范围内投射光以及减小尺寸的光学装置以及安装有光学装置的移动装置。 光学装置(100)包括投光单元(110)和光接收单元(120)。 投光单元(110)具有层叠的投影仪(114)和透镜片(112)。 在片材(112)的各个表面上形成具有彼此正交的母体的第一和第二柱面透镜阵列。 光接收单元(120)具有光接收器(124)。 光投射单元(110)和光接收单元(120)以一体的方式彼此相邻地布置,使得光接收器(124)可以经由片材感测从投影仪(114)发射的光 (112),然后从对象反射。