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    • 14. 发明授权
    • Automatic gain control circuit
    • 自动增益控制电路
    • US4928074A
    • 1990-05-22
    • US365672
    • 1989-06-13
    • Mitsuru SatoTetsuya IizukaKiyoshi FuruyaNorio ShojiMasato Sekine
    • Mitsuru SatoTetsuya IizukaKiyoshi FuruyaNorio ShojiMasato Sekine
    • H03G3/30H03G1/00H03G3/10H03G3/20
    • H03G3/3005H03G1/0023
    • An automatic gain control circuit having a variable gain amplifier circuit, a signal level detecting circuit connected to the variable gain amplifier circuit for generating a detect signal the level of which changes in response to a signal level of an output signal of the variable gain amplifier circuit, and a gain control circuit for controlling the gain of the variable gain amplifier circuit in accordance with the signal level of the detect signal, and the gain control circuit having a differential amplifier circuit having first and second input terminals, the first and second input terminals being connected to the signal level detecting circuit for receiving the detect signal, a first reference voltage source connected to the first input terminal of the differential amplifier so that a first predetermined voltage is provided instead of the signal level of the detect signal in response to the signal level of the detect signal and a second reference voltage source connected to the second input terminal of the differential amplifier for providing a second predetermined voltage.
    • 一种具有可变增益放大器电路的自动增益控制电路,连接到可变增益放大器电路的信号电平检测电路,用于产生响应于可变增益放大器电路的输出信号的信号电平改变的检测信号 以及增益控制电路,用于根据检测信号的信号电平来控制可变增益放大器电路的增益,并且增益控制电路具有具有第一和第二输入端的差分放大器电路,第一和第二输入端 连接到用于接收检测信号的信号电平检测电路;第一参考电压源,连接到差分放大器的第一输入端,使得提供第一预定电压代替检测信号的信号电平, 所述检测信号的信号电平和连接到所述第二参考电压源的第二参考电压源 用于提供第二预定电压的差分放大器的输入端。
    • 20. 发明授权
    • Liquid crystal display panel
    • 液晶显示面板
    • US08547511B2
    • 2013-10-01
    • US13180735
    • 2011-07-12
    • Taiyo TokuokaTetsuya IizukaKazuya DaishiJin Hirosawa
    • Taiyo TokuokaTetsuya IizukaKazuya DaishiJin Hirosawa
    • G02F1/1343
    • G02F1/133707G02F1/1393G02F2001/134318
    • A liquid crystal display panel includes a plurality of pixels arranged in a first direction and a second direction orthogonally crossing with the first direction. A first alignment pattern is formed in the counter electrode. The first alignment pattern faces the pixel electrode and extending in the first direction. A second alignment pattern is formed in the counter electrode. The second alignment pattern also faces the pixel electrode and extends in the second direction intersecting with the first alignment pattern. An expanding alignment portion is arranged at the intersecting portion of the first alignment pattern and the second alignment pattern. The first and second alignment patterns are formed of alignment slits or alignment protrusions arranged in the counter substrate.
    • 液晶显示面板包括沿第一方向布置的多个像素和与第一方向正交的第二方向。 在对电极中形成第一对准图案。 第一对准图案面向像素电极并沿第一方向延伸。 在对置电极中形成第二对准图案。 第二对准图案也面向像素电极,并且在与第一对准图案相交的第二方向上延伸。 在第一对准图案和第二对准图案的交叉部分设置有扩展对准部。 第一和第二对准图案由布置在对置基板中的对准狭缝或对准突起形成。