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公开(公告)号:HK1010598A1
公开(公告)日:1999-06-25
申请号:HK98111739
申请日:1998-11-04
Applicant: YAMAHA CORP
Inventor: WAKAMORI YASUO
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公开(公告)号:HK1003517A1
公开(公告)日:1998-10-30
申请号:HK98102627
申请日:1998-03-27
Applicant: YAMAHA CORP
Inventor: WAKAMORI YASUO , DAISHOJI TAKESHI , YAMAMOTO YUSUKE
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公开(公告)号:JP2012141183A
公开(公告)日:2012-07-26
申请号:JP2010292902
申请日:2010-12-28
Applicant: Yamaha Corp , ヤマハ株式会社
Inventor: WAKAMORI YASUO
IPC: G01R33/02
Abstract: PROBLEM TO BE SOLVED: To adaptively adjust a threshold value depending on an overall change of an output from a sensor.SOLUTION: A comparison device 100 comprises: a magnetic sensor 10 for outputting a signal Vin depending on an intensity of a detected magnetism B; a signal processor 21 for outputting a discrete value that identifies a class Cn to which the intensity of the signal Vin belongs depending on the intensity of the signal Vin output by a magnetic sensor 10; a discrete value storage 22 for storing the discrete value output by the signal processor 21; a threshold value output part 20 for generating and outputting a first threshold value for determination Vref1 and a second threshold value for determination Vref2 that is below the first threshold value for determination Vref1 depending on a representative value Vmode of a frequency distribution of the intensity of the signal Vin constituted by the plurality of discrete values stored by the discrete value storage 22; and a comparator 30 for comparing the signal Vin with either one of the first threshold value for determination Vref1 and the second threshold value for determination Vref2, and outputting a binarized comparison result COMP.
Abstract translation: 要解决的问题:根据传感器的输出的总体变化自适应地调整阈值。 < P>解决方案:比较装置100包括:磁传感器10,用于根据检测到的磁B的强度输出信号Vin; 信号处理器21,用于根据由磁传感器10输出的信号Vin的强度输出识别信号Vin的强度所属的类Cn的离散值; 用于存储由信号处理器21输出的离散值的离散值存储器22; 阈值输出部分20,用于根据代码值Vmode产生并输出用于确定Vref1的第一阈值和用于确定Vref2的第二阈值,该阈值低于用于确定Vref1的第一阈值, 信号Vin由离散值存储器22存储的多个离散值构成; 以及比较器30,用于将信号Vin与用于确定Vref1的第一阈值和用于确定Vref2的第二阈值中的任一个进行比较,并输出二值化的比较结果COMP。 版权所有(C)2012,JPO&INPIT
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公开(公告)号:JP2010004240A
公开(公告)日:2010-01-07
申请号:JP2008160369
申请日:2008-06-19
Applicant: Yamaha Corp , ヤマハ株式会社
Inventor: WAKAMORI YASUO
CPC classification number: H04N5/376 , H04N5/3532 , H04N5/35581 , H04N5/374
Abstract: PROBLEM TO BE SOLVED: To provide a CMOS solid state imaging device capable of executing a wide variety of imaging sequences with a simple configuration.
SOLUTION: Each pixel 10 of a pixel matrix portion 10A includes a PD, a FD, a transfer transistor for transferring a storage charge of the PD to the FD in response to a transfer pulse TXi, a reset transistor for resetting the FD in response to a reset pulse RTi, and a reading circuit for reading the voltage of the FD to a column signal line 11 in response to a row selection pulse SLi. A timing generator 50 repeats the counting of subframes, and switches a frame consisting of the specified number of subframes. A vertical scanning circuit 60 controls whether or not the reset pulse RTi, the transfer pulse TXi, and the row selection pulse SLi should be fed to respective rows of the pixel matrix portion 10A by subframe, and controls the timing of the reset pulse RTi and the transfer pulse TXi in each subframe.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题:提供能够以简单配置执行各种成像序列的CMOS固态成像装置。 解决方案:像素矩阵部分10A的每个像素10包括PD,FD,用于响应于传送脉冲TXi将PD的存储电荷传送到FD的传输晶体管,用于复位FD的复位晶体管 响应于复位脉冲RTi,以及读取电路,用于响应于行选择脉冲SLi将FD的电压读取到列信号线11。 定时发生器50重复子帧的计数,并切换由指定数量的子帧组成的帧。 垂直扫描电路60控制复位脉冲RTi,传送脉冲TXi和行选择脉冲SLi是否应通过子帧馈送到像素矩阵部分10A的各行,并且控制复位脉冲RTi和 每个子帧中的传送脉冲TXi。 版权所有(C)2010,JPO&INPIT
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公开(公告)号:JP2009267739A
公开(公告)日:2009-11-12
申请号:JP2008114583
申请日:2008-04-24
Applicant: Yamaha Corp , ヤマハ株式会社
Inventor: WAKAMORI YASUO
Abstract: PROBLEM TO BE SOLVED: To reduce distortion that a composite image has owing to fast movement of a subject when the images having a wide dynamic range imaged by performing exposures a plurality of times are subjected to the composition.
SOLUTION: A timing generator 50 and a vertical scanning circuit 60 as a driving control means generate two long-time exposures L1 and L2 before and after a short-time exposure S and a very-short-time exposure V to expose respective pixels of a pixel matrix portion 10A for a plurality of kinds of exposure periods in order. An image processing portion 70 acquires pixel signals of exposure results of the respective exposure periods read out of the pixel matrix portion 10A, and composits image data with a wide dynamic range of L image data obtained by averaging exposure results of the two long-time exposures L1 and L2, and S image data as a result of the short-time exposure S and V image data as a result of the very-short-time exposure V.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题:为了减少当通过进行多次曝光而成像的具有宽的动态范围的图像的受试者的快速移动时合成图像具有的失真受到组合。 解决方案:作为驱动控制装置的定时发生器50和垂直扫描电路60在短时间曝光S和非常短时间曝光V之前和之后产生两个长时间曝光L1和L2,以暴露相应的 用于多种曝光期间的像素矩阵部分10A的像素。 图像处理部分70获取从像素矩阵部分10A读出的相应曝光周期的曝光结果的像素信号,并且通过对两次长时间曝光的曝光结果进行平均而获得的L幅度数据的宽动态范围的图像数据进行合成 L1和L2以及作为短时间曝光的结果的短时间曝光S和V图像数据的S图像数据。版权所有(C)2010,JPO&INPIT
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公开(公告)号:JP2007150807A
公开(公告)日:2007-06-14
申请号:JP2005343390
申请日:2005-11-29
Applicant: Yamaha Corp , ヤマハ株式会社
Inventor: WAKAMORI YASUO
IPC: H01L27/146 , H04N5/365 , H04N5/369 , H04N5/374 , H04N5/376
Abstract: PROBLEM TO BE SOLVED: To provide a solid-state image pickup device that can increase amplitude fully in a read pixel signal, and can eliminate in-phase noise.
SOLUTION: One pixel includes a photodiode PD1 for photoelectrically converting incident light; a first circuit means for amplifying pixel potential that is the terminal voltage of the photodiode to output a first pixel signal that is in phase with the pixel potential to a first row signal read line; and a second circuit means for amplifying the pixel potential to output a second pixel signal that is in reverse phase to the pixel potential to a second row signal read line. An operation means 32 is available for sampling the first and second pixel signals outputted to the first and second signal read lines and for sampling a reset voltage when resetting the pixel potential of the photodiode after acquiring the first and second pixel signals, and for performing calculation so that a fixed pattern noise is removed based on the signal.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题:提供一种可以在读取像素信号中充分提高幅度的固态图像拾取装置,并且可以消除同相噪声。 解决方案:一个像素包括用于光电转换入射光的光电二极管PD1; 第一电路装置,用于放大作为光电二极管的端电压的像素电位,以将与像素电位同相的第一像素信号输出到第一行信号读取线; 以及第二电路装置,用于放大像素电位,以将与像素电位成反相的第二像素信号输出到第二行信号读取线。 操作装置32可用于对输出到第一和第二信号读取线的第一和第二像素信号进行采样,并且在获取第一和第二像素信号之后复位光电二极管的像素电位并用于执行计算时对采样复位电压进行采样 使得基于该信号去除固定模式噪声。 版权所有(C)2007,JPO&INPIT
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公开(公告)号:JP2012088151A
公开(公告)日:2012-05-10
申请号:JP2010234552
申请日:2010-10-19
Applicant: Yamaha Corp , ヤマハ株式会社
Inventor: WAKAMORI YASUO
Abstract: PROBLEM TO BE SOLVED: To detect presence/absence of magnetism by imparting a hysteresis characteristic with a simple configuration.SOLUTION: A bridge circuit 3A includes four magnetic sensor elements 1A, 1B, 2A, and 2B; a first ladder resistor Ra, a second ladder resistor Rb, a first selector X1, and a second selector X2. Nodes of the first ladder resistor Ra and the second ladder resistor Rb are switched by the first selector X1 and the second selector X2. When a magnetic field intensity of an external magnetic field is classified by a change point of the hysteresis characteristic, a determination circuit 20 identifies to which region the magnetic field intensity belongs based on a first signal 10a, and generates a detection signal DET this time based on the identification result and the previous detection signal DET.
Abstract translation: 要解决的问题:通过以简单的结构赋予滞后特性来检测是否存在磁性。 解决方案:桥接电路3A包括四个磁性传感器元件1A,1B,2A和2B; 第一梯形电阻器Ra,第二梯形电阻器Rb,第一选择器X1和第二选择器X2。 第一梯形电阻器Ra和第二梯形电阻器Rb的节点由第一选择器X1和第二选择器X2切换。 当通过磁滞特性的变化点对外部磁场的磁场强度进行分类时,确定电路20基于第一信号10a来识别磁场强度属于哪个区域,并且基于该时间产生检测信号DET 关于识别结果和先前的检测信号DET。 版权所有(C)2012,JPO&INPIT
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公开(公告)号:JP2012070123A
公开(公告)日:2012-04-05
申请号:JP2010211745
申请日:2010-09-22
Applicant: Yamaha Corp , ヤマハ株式会社
Inventor: WAKAMORI YASUO
IPC: H03K4/06 , H03K3/0231
Abstract: PROBLEM TO BE SOLVED: To provide an oscillation circuit that can be operated under a low voltage while reducing current noise.SOLUTION: An oscillation circuit 100A includes: a fixed voltage source 10 that outputs a fixed voltage Vref; a capacitive element 20; a current supply section 30 that is connected to one terminal N1 of the capacitive element 20 to feed a first current into the capacitive element 20 when an output signal Dout is at a high level and to draw a second current from the capacitive element 20 when the output signal Dout is at a low level; a voltage generation section 40 that is connected to the other terminal N2 of the capacitive element 20 to output a first voltage V1 when the output signal Dout is at the high level and to output a second voltage V2 when the output signal Dout is at the low level; and a comparator 50 that compares a voltage Vx at one terminal of the capacitive element 20 with the fixed voltage Vref to generate the output signal Dout.
Abstract translation: 要解决的问题:提供可以在降低电流噪声的同时在低电压下工作的振荡电路。 解决方案:振荡电路100A包括:输出固定电压Vref的固定电压源10; 电容元件20; 电流供应部分30,其连接到电容元件20的一个端子N1,以在输出信号Dout处于高电平时将第一电流馈送到电容元件20中,并且当第二电流从电容元件20抽出时, 输出信号Dout处于低电平; 电压产生部分40,当输出信号Dout处于高电平时,连接到电容元件20的另一个端子N2以输出第一电压V1,并且当输出信号Dout处于低电平时输出第二电压V2 水平; 以及将电容元件20的一端的电压Vx与固定电压Vref进行比较以生成输出信号Dout的比较器50。 版权所有(C)2012,JPO&INPIT
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公开(公告)号:JP2010177594A
公开(公告)日:2010-08-12
申请号:JP2009020965
申请日:2009-01-30
Applicant: Yamaha Corp , ヤマハ株式会社
Inventor: WAKAMORI YASUO
IPC: H01L27/146 , H04N5/335 , H04N5/369 , H04N5/374 , H04N5/376
Abstract: PROBLEM TO BE SOLVED: To provide a solid-state imaging apparatus capable of electrically controlling light receiving sensitivity of a long wavelength band. SOLUTION: An imaging portion 10A uses one surface of a p-type Si substrate as an imaging surface. Then, the imaging portion 10A has a plurality of pixels 10 each of which contains a first n-type impurity layer formed near the imaging surface of the p-type Si substrate, is generated in the p-type Si substrate by photoelectric conversion, and outputs a pixel signal showing electric charges accumulated in the first n-type impurity layer. In addition, the imaging portion 10A has a second impurity layer at a position deeper from the imaging surface rather than the first n-type impurity layer. A collection range control means 51 of a timing generator 50 controls a collection range of the electric charges generated by the photoelectric conversion in the p-type Si substrate by controlling control voltage Vsb to be provided in the second n-type impurity layer. COPYRIGHT: (C)2010,JPO&INPIT
Abstract translation: 解决的问题:提供能够电控制长波长带的光接收灵敏度的固体摄像装置。 解决方案:成像部分10A使用p型Si衬底的一个表面作为成像表面。 然后,成像部分10A具有多个像素10,每个像素10包含在p型Si衬底的成像表面附近形成的第一n型杂质层,通过光电转换在p型Si衬底中产生, 输出表示在第一n型杂质层中累积的电荷的像素信号。 此外,成像部分10A在比成像表面更深的位置处具有第二杂质层,而不是第一n型杂质层。 定时发生器50的收集范围控制装置51通过控制要设置在第二n型杂质层中的控制电压Vsb来控制由p型Si衬底中的光电转换产生的电荷的收集范围。 版权所有(C)2010,JPO&INPIT
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公开(公告)号:JP2009267994A
公开(公告)日:2009-11-12
申请号:JP2008117898
申请日:2008-04-28
Applicant: Yamaha Corp , ヤマハ株式会社
Inventor: WAKAMORI YASUO
IPC: H01L27/146 , H04N1/028 , H04N5/335 , H04N5/357 , H04N5/374
Abstract: PROBLEM TO BE SOLVED: To achieve imaging by a CMOS solid-state imaging apparatus without generating any after-image even in a state wherein electric charges which can not be transferred from a PD to an FD in single-time transfer are left in the PD.
SOLUTION: A vertical scanning circuit 60 supplies a reset pulse RTi and a transfer pulse TXi in order to a pixel 10 to be read to read a pixel signal, and then supplies the reset pulse RTi and the transfer pulse TXi simultaneously to make what is called a blank read of accumulated charges from the PD 101, thereby erasing the accumulated charges in the PD 101.
COPYRIGHT: (C)2010,JPO&INPITAbstract translation: 要解决的问题:即使在不能从单次传输中的PD传输到FD的电荷的状态下,也可以通过CMOS固态成像装置进行成像而不产生任何后置图像 在PD中。 解决方案:垂直扫描电路60将复位脉冲RTi和转移脉冲TXi提供给要读取的像素10以读取像素信号,然后同时提供复位脉冲RTi和转移脉冲TXi,以使 所谓PD101的累积费用的空白读取,从而消除PD 101中累积的费用。(C)2010年,JPO和INPIT
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