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    • 1. 发明授权
    • Semiconductor device
    • 半导体器件
    • US07243274B2
    • 2007-07-10
    • US11206170
    • 2005-08-18
    • Masafumi YamazakiTakaaki SuzukiToshikazu NakamuraSatoshi EtoToshiya MiyoAyako SatoTakayuki YonedaNoriko Kawamura
    • Masafumi YamazakiTakaaki SuzukiToshikazu NakamuraSatoshi EtoToshiya MiyoAyako SatoTakayuki YonedaNoriko Kawamura
    • G11C29/00
    • G11C29/48G11C29/36
    • An external terminal receives an external signal so as to access the first and second memory chips. The test starting terminal receives a test starting signal activated when the first or second memory chip is tested and inactivated when the first and second memory chips are normally operated. The access signal generator converts the external signal to a memory access signal of the first memory chip. The first selector selects the external signal, which is a test signal, during activation of the test starting signal, selects the memory access signal during the inactivation of the test starting signal. That is, during the test modes, the first memory chip can be directly accessed from the exterior. For this reason, the test program for testing the first memory chip alone can be diverted as the test program following an assembly of the semiconductor device.
    • 外部终端接收外部信号以访问第一和第二存储器芯片。 当第一和第二存储器芯片正常工作时,测试启动终端接收到测试启动信号,当第一或第二存储器芯片被测试和非激活时激活。 访问信号发生器将外部信号转换为第一存储器芯片的存储器访问信号。 第一选择器在激活测试启动信号期间选择作为测试信号的外部信号,在测试启动信号失效期间选择存储器访问信号。 也就是说,在测试模式期间,可以从外部直接访问第一存储器芯片。 因此,在半导体器件的组装之后,用于单独测试第一存储器芯片的测试程序可以作为测试程序转移。
    • 5. 发明授权
    • Image pickup apparatus and dark current correction method therefor
    • 摄像装置及其暗电流校正方法
    • US08462234B2
    • 2013-06-11
    • US13639458
    • 2011-10-27
    • Noriko KawamuraYoshinori Furuta
    • Noriko KawamuraYoshinori Furuta
    • H04N9/64
    • H04N5/361
    • Disclosed are an image pickup apparatus and a dark current correction method that make it possible to correct the dark current at high precision without using a driving pattern of a peripheral circuit or a layout on an image pickup device chip. The image pickup apparatus includes an image pickup device provided with an effective pixel area, an OB part and a drive circuit of the image pickup device. In the dark current correction method, a black level (hereinafter, referred to as “second black level”) included in the detected signal of the effective pixels of the effective pixel area is obtained (steps S3, S6, S7) based on a black level detected from the pixel of the OB pixels by performing a correction computation in accordance with an operation pattern (steps S1, S2, S5) of the drive circuit in which the temperature difference between the light receiving pixel part and the optical black part is occurred, and the second black level as a clamp level is subtracted from the level of the output signal of the effective pixels in accordance with the operation pattern of the drive circuit.
    • 公开了一种能够在不使用外围电路的驱动图案或图像拾取器件芯片上的布局的情况下以高精度校正暗电流的图像拾取装置和暗电流校正方法。 图像拾取装置包括设置有图像拾取装置的有效像素区域,OB部分和驱动电路的图像拾取装置。 在暗电流校正方法中,基于黑色电平校正方法获得包括在有效像素区域的有效像素的检测信号中的黑电平(以下称为“第二黑电平”)(步骤S3,S6,S7) 通过根据其中发生受光像素部分和光学黑色部分之间的温度差的驱动电路的操作模式(步骤S1,S2,S5)执行校正计算,从OB像素的像素检测到的电平 并且根据驱动电路的操作模式从有效像素的输出信号的电平中减去作为钳位电平的第二黑电平。
    • 6. 发明申请
    • IMAGE PICKUP APPARATUS AND DARK CURRENT CORRECTION METHOD THEREFOR
    • 图像拾取装置和深电流校正方法
    • US20130021497A1
    • 2013-01-24
    • US13639458
    • 2011-10-27
    • Noriko KawamuraYoshinori Furuta
    • Noriko KawamuraYoshinori Furuta
    • H04N5/357
    • H04N5/361
    • Disclosed are an image pickup apparatus and a dark current correction method that make it possible to correct the dark current at high precision without using a driving pattern of a peripheral circuit or a layout on an image pickup device chip. The image pickup apparatus includes an image pickup device provided with an effective pixel area, an OB part and a drive circuit of the image pickup device. In the dark current correction method, a black level (hereinafter, referred to as “second black level”) included in the detected signal of the effective pixels of the effective pixel area is obtained (steps S3, S6, S7) based on a black level detected from the pixel of the OB pixels by performing a correction computation in accordance with an operation pattern (steps S1, S2, S5) of the drive circuit in which the temperature difference between the light receiving pixel part and the optical black part is occurred, and the second black level as a clamp level is subtracted from the level of the output signal of the effective pixels in accordance with the operation pattern of the drive circuit.
    • 公开了一种能够在不使用外围电路的驱动图案或图像拾取器件芯片上的布局的情况下以高精度校正暗电流的图像拾取装置和暗电流校正方法。 图像拾取装置包括设置有图像拾取装置的有效像素区域,OB部分和驱动电路的图像拾取装置。 在暗电流校正方法中,基于检测到的黑电平,获得包括在有效像素区域的有效像素的检测信号中的黑电平(以下称为第二黑电平)(步骤S3,S6,S7) 根据发生受光像素部分和光学黑色部分之间的温度差的驱动电路的操作模式(步骤S1,S2,S5),通过执​​行校正计算,从OB像素的像素执行校正计算,以及 根据驱动电路的操作模式,从有效像素的输出信号的电平中减去作为钳位电平的第二黑电平。