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    • 7. 发明申请
    • IMAGING DEVICE AND IMAGING METHOD
    • 成像装置和成像方法
    • US20130076960A1
    • 2013-03-28
    • US13624915
    • 2012-09-22
    • Daniel BublitzMarco WilzbachChristian AlbrechtChristoph NietenEnrico Geissler
    • Daniel BublitzMarco WilzbachChristian AlbrechtChristoph NietenEnrico Geissler
    • H04N5/222
    • G02B21/361G02B7/36
    • An imaging includes an image acquisition module which has an image sensor and a first lens system, having a focal plane, for imaging an object onto the image sensor, a display module which displays the image captured by means of the image acquisition module such that a user can perceive it with one eye, and a control unit. A measuring module is provided to the control unit for measuring the accommodation state (B1(t)) of the eye of the user. The control unit adjusts the position of the focal plane of the first lens system on the basis of the measured accommodation state (B1(t)) and, at the same time, adjusts displaying of the image by means of the display module on the basis of the measured accommodation state (B1(t)) such that the user can perceive the displayed image in sharp definition with his eye having the measured accommodation state (B1(t)).
    • 一种成像方法包括:图像采集模块,具有图像传感器和第一透镜系统,具有用于将物体成像到图像传感器上的焦平面;显示模块,其显示通过图像获取模块捕获的图像,使得 用户可以用一只眼睛和一个控制单元感知它。 测量模块被提供给控制单元,用于测量用户的眼睛的容纳状态(B1(t))。 控制单元基于测量的调节状态(B1(t))来调整第一透镜系统的焦平面的位置,并且同时基于显示模块来调整图像的显示 (B1(t)),使得用户可以以其具有测量的容纳状态(B1(t))的眼睛以清晰的方式感知显示的图像。
    • 9. 发明申请
    • Clamping circuit for operational amplifiers
    • 运算放大器的钳位电路
    • US20060017504A1
    • 2006-01-26
    • US11181231
    • 2005-07-14
    • Philippe DevalChristian Albrecht
    • Philippe DevalChristian Albrecht
    • H03F3/45
    • H03G11/00H03F3/3022H03F3/45183H03F2200/441H03F2203/45552H03F2203/45636
    • A differential input operational amplifier has a voltage clamp differential transistor pair coupled to an input differential transistor pair of the operational amplifier. The voltage clamp differential transistor pair limits the output voltage of the operational amplifier by taking over control of the operational amplifier circuits from the input differential transistor pair as the output voltage approaches a clamp voltage value. A reference voltage may be used to set the output voltage at which the input differential transistor pair will be clamped by the voltage clamp differential transistor pair. Below the clamp voltage, operation of the input differential transistor pair will not be affected. At the clamp voltage the input differential transistor pair will no longer control the output of the differential amplifier, rather the voltage clamp differential transistor pair will control the maximum voltage output of the differential amplifier. Both positive and negative limiting of the operational amplifier output voltage may be accomplished.
    • 差分输入运算放大器具有耦合到运算放大器的输入差分晶体管对的电压钳位差分晶体管对。 当输出电压接近钳位电压值时,电压钳位差分晶体管对通过从输入差分晶体管对接管运算放大器电路来限制运算放大器的输出电压。 可以使用参考电压来设置输入差分晶体管对将由电压钳位差分晶体管对钳位的输出电压。 低于钳位电压,输入差分晶体管对的工作不会受到影响。 在钳位电压下,输入差分晶体管对将不再控制差分放大器的输出,而电压钳位差分晶体管对将控制差分放大器的最大电压输出。 可以实现运算放大器输出电压的正和负极限。
    • 10. 发明授权
    • Clamping circuit for operational amplifiers
    • 运算放大器的钳位电路
    • US07253687B2
    • 2007-08-07
    • US11181231
    • 2005-07-14
    • Philippe DevalChristian Albrecht
    • Philippe DevalChristian Albrecht
    • H03F1/52
    • H03G11/00H03F3/3022H03F3/45183H03F2200/441H03F2203/45552H03F2203/45636
    • A differential input operational amplifier has a voltage clamp differential transistor pair coupled to an input differential transistor pair of the operational amplifier. The voltage clamp differential transistor pair limits the output voltage of the operational amplifier by taking over control of the operational amplifier circuits from the input differential transistor pair as the output voltage approaches a clamp voltage value. A reference voltage may be used to set the output voltage at which the input differential transistor pair will be clamped by the voltage clamp differential transistor pair. Below the clamp voltage, operation of the input differential transistor pair will not be affected. At the clamp voltage the input differential transistor pair will no longer control the output of the differential amplifier, rather the voltage clamp differential transistor pair will control the maximum voltage output of the differential amplifier. Both positive and negative limiting of the operational amplifier output voltage may be accomplished.
    • 差分输入运算放大器具有耦合到运算放大器的输入差分晶体管对的电压钳位差分晶体管对。 当输出电压接近钳位电压值时,电压钳位差分晶体管对通过从输入差分晶体管对接管运算放大器电路来限制运算放大器的输出电压。 可以使用参考电压来设置输入差分晶体管对将由电压钳位差分晶体管对钳位的输出电压。 低于钳位电压,输入差分晶体管对的工作不会受到影响。 在钳位电压下,输入差分晶体管对将不再控制差分放大器的输出,而电压钳位差分晶体管对将控制差分放大器的最大电压输出。 可以实现运算放大器输出电压的正和负极限。