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    • 13. 发明授权
    • Integrating imaging system with phototransistor having wide dynamic range
    • 将成像系统与具有宽动态范围的光电晶体管集成
    • US5763909A
    • 1998-06-09
    • US746439
    • 1996-11-08
    • Carver A. MeadFederico Faggin
    • Carver A. MeadFederico Faggin
    • H01L27/146H01L31/00
    • H01L27/14681
    • A bipolar phototransistor comprises both an Integrating photosensor and a switching element. The base terminal of the bipolar phototransistor is utilized as the switch-control node for the pixel and its emitter is the output node of the integrating photosensor. A plurality of integrating photosensors may be placed in an array of rows and columns, wherein the bases of all bipolar phototransistors in a row are capacitively coupled together to a common row-select line, and the emitters of all bipolar phototransistors in a column are connected together to a column sense line. The input of a sense amplifier is connected to the sense line of each column of integrating photosensors. An integrating sense amplifier according to the present invention includes an amplifying element having an inverting input connected to the sense line. A capacitor, preferably a varactor, is also connected between the inverting input and output of the amplifying element. An exponential feedback element may be provided in the sense amplifiers for signal compression at high light levels. The outputs of the sense amplifiers are connected to sample/hold circuits. The rows of the array are selected one at a time and the outputs of the sample/hold circuits for each row are scanned out of the array while the pixel data for the next row are sampled.
    • 双极光电晶体管包括积分光电传感器和开关元件。 双极光电晶体管的基极用作像素的开关控制节点,其发射极是积分光电传感器的输出节点。 多个积分光电传感器可以放置在行和列的阵列中,其中一行中的所有双极光电晶体管的基极电容耦合到一个共同的行选择线,并且列中的所有双极光电晶体管的发射极被连接 一起到列感觉线。 读出放大器的输入端连接到每列积分光电传感器的感测线。 根据本发明的积分读出放大器包括具有连接到感测线的反相输入的放大元件。 电容器,优选变容二极管,也连接在放大元件的反相输入和输出之间。 可以在读出放大器中提供指数反馈元件,用于在高光级下进行信号压缩。 读出放大器的输出连接到采样/保持电路。 阵列的行一次被选择,并且每行的采样/保持电路的输出被扫描出阵列,而下一行的像素数据被采样。
    • 14. 发明授权
    • Integrating photosensor and imaging system having wide dynamic range
    • 集成光电传感器和成像系统具有广泛的动态范围
    • US5097305A
    • 1992-03-17
    • US657128
    • 1991-02-19
    • Carver A. MeadFederico Faggin
    • Carver A. MeadFederico Faggin
    • H01L27/146
    • H01L27/14681
    • An integrating photosensor includes an NPN phototransistor having its collector connected to a source of positive voltage, a P-channel MOS transistor having its gate connected to row-select line, its source connected to the emitter of the phototransistor, and its drain connected to a column sense line. The NPN phototransistor has an intrinsic base-collector capacitance. An integrating sense amplifier according to the present invention includes an amplifying element having an inverting input and a non-inverting input. The non-inverting input is connected to a source of reference voltage the inverting input is connected to a sense line. A P-channel balance transistor is connected between the inverting input and the output of the amplifying element and a capacitor is also connected between the inverting input and output of the amplifying element. An exponential feedback element is connected between the output and the inverting input of the amplifying element. A plurality of integrating photosensors is disposed in an array of rows and columns, with a given row select line connected to the gates of P-channel MOS transistors associated with that given row and a given column sense line connected to the drains of the P-channel MOS transistors associated with that given column.
    • 积分光电传感器包括其集电极连接到正电压源的NPN光电晶体管,其栅极连接到行选择线的P沟道MOS晶体管,其源极连接到光电晶体管的发射极,其漏极连接到 列感觉线。 NPN光电晶体管具有本征的基极 - 集电极电容。 根据本发明的积分读出放大器包括具有反相输入和非反相输入的放大元件。 反相输入连接到参考电压源,反相输入连接到感测线。 P沟道平衡晶体管连接在反相输入和放大元件的输出之间,电容器也连接在放大元件的反相输入和输出之间。 指数反馈元件连接在放大元件的输出和反相输入端之间。 多个积分光电传感器被布置成行和列的阵列,其中给定的行选择线连接到与给定行相关联的P沟道MOS晶体管的栅极,以及连接到P沟道的漏极的给定的列感测线, 与给定列相关的通道MOS晶体管。
    • 17. 发明授权
    • Integrating photosensor and imaging system having wide dynamic range
with varactors
    • 用变容二极管整合具有宽动态范围的光电传感器和成像系统
    • US5260592A
    • 1993-11-09
    • US760569
    • 1991-09-16
    • Carver A. MeadFederico Faggin
    • Carver A. MeadFederico Faggin
    • H01L27/146H01L27/14
    • H01L27/14681
    • A bipolar phototransistor comprises both an integrating photosensor and a switching element. The base terminal of the bipolar phototransistor is utilized as the switch-control node for the pixel and its emitter is the output node of the integrating photosensor. A plurality of integrating photosensors may be placed in an array of rows and columns, wherein the bases of all bipolar phototransistors in a row are capacitively coupled together to a common row-select line, and the emitters of all bipolar phototransistors in a column are connected together to a column sense line. The input of a sense amplifier is connected to the sense line of each column of integrating photosensors. An integrating sense amplifier according to the present invention includes an amplifying element having an inverting input connected to the sense line. A capacitor, preferably a varactor, is also connected between the inverting input and output of the amplifying element. An exponential feedback element may be provided in the sense amplifiers for signal compression at high light levels.
    • 双极光电晶体管包括积分光电传感器和开关元件。 双极光电晶体管的基极用作像素的开关控制节点,其发射极是积分光电传感器的输出节点。 多个积分光电传感器可以放置在行和列的阵列中,其中一行中的所有双极光电晶体管的基极电容耦合到一个共同的行选择线,并且列中的所有双极光电晶体管的发射极被连接 一起到列感觉线。 读出放大器的输入端连接到每列积分光电传感器的感测线。 根据本发明的积分读出放大器包括具有连接到感测线的反相输入的放大元件。 电容器,优选变容二极管,也连接在放大元件的反相输入和输出之间。 可以在读出放大器中提供指数反馈元件,用于在高光级下进行信号压缩。
    • 18. 发明授权
    • Brain learning and recognition emulation circuitry and method of
recognizing events
    • 大脑学习和识别仿真电路和识别事件的方法
    • US4802103A
    • 1989-01-31
    • US870241
    • 1986-06-03
    • Federico FagginGary S. Lynch
    • Federico FagginGary S. Lynch
    • G06K9/62G06K9/64G06N3/063G06F15/18G06F15/46
    • G06K9/6217G06K9/64G06N3/063
    • There is disclosed herein a method and apparatus for learning the characteristics of an event and for recognizing events which have been previously learned. The apparatus is comprised of forward and feedback matrices which process input signals characterizing events to be learned by comparing the convergence responses generated by the input signals at successively different levels of convergence threshold. The convergence threshold is altered until an acceptable range of convergence is reached, and then the pattern of convergence is learned. The pattern of convergence is stored for future reference. In recognition mode, the input signals are again processed at successively different convergence threshold levels until an acceptable range of convergence is reached. The pattern of convergence is then compared to the stored convergence patterns of known events to determine if the event is known. Also disclosed are methods of operating the operatus to recognize events whose input signals are cluttered by noise or which have input patterns which are incomplete. Also disclosed are a method and apparatus for learning the differences between a first event and another event with which the first event was confused during the learning mode.
    • 这里公开了一种用于学习事件特征并识别先前已经学习的事件的方法和装置。 该装置包括正向和反馈矩阵,其通过比较在连续不同的收敛阈值处由输入信号产生的收敛响应来处理表征要学习的事件的输入信号。 收敛阈值被改变直到达到可接受的收敛范围,然后学习收敛模式。 收敛模式存储供将来参考。 在识别模式下,输入信号再次以连续不同的收敛阈值水平处理,直到达到可接受的收敛范围。 然后将收敛模式与存储的已知事件的收敛模式进行比较,以确定事件是否已知。 还公开了操作操作器以识别其输入信号被噪声杂乱或具有不完整的输入模式的事件的方法。 还公开了一种用于在学习模式期间学习第一事件和第一事件被混淆的另一事件之间的差异的方法和装置。
    • 19. 发明授权
    • Integrating imaging systgem having wide dynamic range with sample/hold
circuits
    • 将具有宽动态范围的成像系统与采样/保持电路集成
    • US5324958A
    • 1994-06-28
    • US923734
    • 1992-07-30
    • Carver A. MeadFederico Faggin
    • Carver A. MeadFederico Faggin
    • H01L27/146H01L27/14
    • H01L27/14681
    • A bipolar phototransistor comprises both an integrating photosensor and a switching element. The base terminal of the bipolar phototransistor is utilized as the switch-control node for the pixel and its emitter is the output node of the integrating photosensor. A plurality of integrating photosensors may be placed in an array of rows and columns, wherein the bases of all bipolar phototransistors in a row are capacitively coupled together to a common row-select line, and the emitters of all bipolar phototransistors in a column are connected together to a column sense line. The input of a sense amplifier is connected to the sense line of each column of integrating photosensors. An integrating sense amplifier according to the present invention includes an amplifying element having an inverting input connected to the sense line. A capacitor, preferably a varactor, is also connected between the inverting input and output of the amplifying element. An exponential feedback element may be provided in the sense amplifiers for signal compression at high light levels. The outputs of the sense amplifiers are connected to sample/hold circuits. The rows of the array are selected one at a time and the outputs of the sample/hold circuits for each row are scanned out of the array while the pixel data for the next row are sampled.
    • 双极光电晶体管包括积分光电传感器和开关元件。 双极光电晶体管的基极用作像素的开关控制节点,其发射极是积分光电传感器的输出节点。 多个积分光电传感器可以放置在行和列的阵列中,其中一行中的所有双极光电晶体管的基极电容耦合到一个共同的行选择线,并且列中的所有双极光电晶体管的发射极被连接 一起到列感觉线。 读出放大器的输入端连接到每列积分光电传感器的感测线。 根据本发明的积分读出放大器包括具有连接到感测线的反相输入的放大元件。 电容器,优选变容二极管,也连接在放大元件的反相输入和输出之间。 可以在读出放大器中提供指数反馈元件,用于在高光级下进行信号压缩。 读出放大器的输出连接到采样/保持电路。 阵列的行一次被选择,并且每行的采样/保持电路的输出被扫描出阵列,而下一行的像素数据被采样。
    • 20. 发明授权
    • Sense amplifier
    • 感应放大器
    • US5276407A
    • 1994-01-04
    • US900917
    • 1992-06-18
    • Carver A. MeadFederico Faggin
    • Carver A. MeadFederico Faggin
    • H01L27/146H03F3/08
    • H01L27/14681
    • A plurality of integrating photosensors is disposed in an array of rows and columns, with a given row select line connected to the gates of P-channel MOS transistors associated with that given row and a given column sense line connected to the drains of the P-channel MOS transistors associated with that given column. A sense amplifier is associated with each column. An integrating sense amplifier according to the present invention includes an amplifying element having an inverting input and a non-inverting input. The non-inverting input is connected to a source of reference voltage the inverting input is connected to a sense line. A P-channel balance transistor is connected between the inverting input and the output of the amplifying element and a capacitor is also connected between the inverting input and output of the amplifying element. A capacitor, preferably a varactor element, is connected between the output and the inverting input of the amplifying element. An exponential feedback element may be provided in the sense amplifiers for signal compression at high light levels.
    • 多个积分光电传感器被布置成行和列的阵列,其中给定的行选择线连接到与给定行相关联的P沟道MOS晶体管的栅极,以及连接到P沟道的漏极的给定的列感测线, 与给定列相关的通道MOS晶体管。 读出放大器与每列相关联。 根据本发明的积分读出放大器包括具有反相输入和非反相输入的放大元件。 反相输入连接到参考电压源,反相输入连接到感测线。 P沟道平衡晶体管连接在反相输入和放大元件的输出之间,电容器也连接在放大元件的反相输入和输出之间。 电容器,优选变容二极管元件,连接在放大元件的输出和反相输入端之间。 可以在读出放大器中提供指数反馈元件,用于在高光级下进行信号压缩。