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    • 61. 发明申请
    • NETWORK SYSTEM AND METHOD OF OPERATING THE SAME
    • 网络系统及其操作方法
    • US20120300773A1
    • 2012-11-29
    • US13449196
    • 2012-04-17
    • Kazuhiro MaedaShingo Sugawara
    • Kazuhiro MaedaShingo Sugawara
    • H04L12/28H04L12/56
    • H04L45/245H04L61/103Y02D50/30
    • A network system includes a plurality of lower switches, a plurality of upper switches, and a link group for interconnecting the plurality of lower switches to the plurality of upper switches in a multipoint-to-multipoint relationship. The link group includes a sub-link for interconnecting the plurality of lower switches to the plurality of upper switches in a point-to-point relationship as one logical link and a main link for interconnecting the plurality of lower switches to the plurality of upper switches in a point-to-multipoint relationship as one logical link. The plurality of lower switches are each set such that a broadcast frame with a broadcast address set as a destination is transmitted to the plurality of upper switches through the sub-link. The plurality of upper switches each receive the broadcast frame and resister a source address contained in the broadcast frame into an FDB of the plurality of upper switches.
    • 网络系统包括多个下开关,多个上开关和用于以多点对多点关系将多个下开关互连到多个上开关的链路组。 链路组包括用于将多个下层交换机以点对点关系互连为一个逻辑链路的子链路和用于将多个下部交换机互连到多个上部开关的主链路 作为一个逻辑链路的点对多点关系。 多个下位开关各自被设置为使得具有被设置为目的地的广播地址的广播帧通过子链路发送到多个上层交换机。 多个上部开关各自接收广播帧并将包含在广播帧中的源地址重新绑定到多个上部开关的FDB中。
    • 64. 发明申请
    • PHOTOSENSOR AND DISPLAY DEVICE
    • 照相机和显示设备
    • US20120154354A1
    • 2012-06-21
    • US13391654
    • 2010-07-12
    • Sachio TsujinoYousuke NakagawaKazuhiro MaedaIchiroh ShirakiHiroaki SugiyamaNobuhiro Kuwabara
    • Sachio TsujinoYousuke NakagawaKazuhiro MaedaIchiroh ShirakiHiroaki SugiyamaNobuhiro Kuwabara
    • G09G5/02G01J1/46
    • H01L27/14643G06F3/0412G06F3/042H04N5/357
    • By reducing the potential drop of a storage node that occurs due to feedthrough, the capacitance of a storage capacitor is reduced and sensor sensitivity is improved. In a photosensor, the first terminal of a storage capacitor (C2) and the gate of a MOS transistor (M1), which outputs a signal in accordance with the potential of a storage node (N2), are connected to the storage node (N2). A forward biased pulse voltage is supplied to the anode of a first photodiode (DS) in a reset period, and a reverse biased voltage is supplied to the anode of the first photodiode in a storage period and a readout period. A reverse biased voltage is supplied to the anode of a second photodiode (DM) in all operation periods. A voltage that keeps the potential of the storage node lower than the threshold value of the MOS transistor (M1) is supplied to the second terminal of the storage capacitor in the reset period and the storage period, and a voltage that thrusts the potential of the storage node (N2) upward to the threshold value of the MOS transistor (M1) or higher is supplied to the second terminal of the storage capacitor in the readout period.
    • 通过减少由于馈通而发生的存储节点的潜在下降,存储电容器的电容降低并且传感器灵敏度得到改善。 在光电传感器中,根据存储节点(N2)的电位输出信号的存储电容器(C2)的第一端子和MOS晶体管(M1)的栅极连接到存储节点(N2 )。 在复位周期中将正向偏置脉冲电压提供给第一光电二极管(DS)的阳极,并且在存储周期和读出周期中向第一光电二极管的阳极提供反向偏置电压。 在所有操作周期中,向第二光电二极管(DM)的阳极提供反向偏置电压。 在复位期间和保存期间,保持存储节点的电位低于MOS晶体管(M1)的阈值的电压被提供给存储电容器的第二端子,并且将电压 存储节点(N2)向上升到MOS晶体管(M1)或更高的阈值,在读出期间提供给存储电容器的第二端。
    • 68. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20100134452A1
    • 2010-06-03
    • US12595112
    • 2008-04-09
    • Hiromi KatohKazuhiro MaedaChristopher Brown
    • Hiromi KatohKazuhiro MaedaChristopher Brown
    • G06F3/038G09G3/36
    • G06F3/0418G01J1/46G02F1/13338G02F2001/13312G09G3/3648G09G2360/147
    • Provided is a display device that has a photodetection element within a pixel and can calibrate automatically a photo sensor signal during an operation of the display device. A sensor row driver (5) has a first operation mode for supplying a sensor chive signal of a first pattern to a photo sensor in a pixel region (1) so as to output a photo sensor signal corresponding to a quantity of receiving light of the photo sensor to a signal processing circuit (8), a second operation mode for supplying a sensor drive signal of a second pattern so as to acquire a first photo sensor signal level for calibration corresponding to the case where the photo sensor detects a black level, and a third operation mode for supplying a sensor drive signal of a third pattern so as to acquire a second photo sensor signal level for calibration corresponding to the case where the photo sensor detects a white level. The signal processing circuit (8) calibrates the photo sensor signal during the first operation mode by using the first and the second photo sensor signal levels.
    • 提供一种在像素内具有光电检测元件并且可以在显示装置的操作期间自动校准光电传感器信号的显示装置。 传感器行驱动器(5)具有第一操作模式,用于将像素区域(1)中的第一图案的传感器辅助信号提供给光传感器,以便输出与所述像素区域(1)中的接收光量相对应的光传感器信号 光传感器到信号处理电路(8),第二操作模式用于提供第二图案的传感器驱动信号,以获得与光传感器检测到黑电平的情况相对应的用于校准的第一光传感器信号电平, 以及第三操作模式,用于提供第三图案的传感器驱动信号,以获得与光传感器检测到白电平的情况相对应的用于校准的第二光传感器信号电平。 信号处理电路(8)通过使用第一和第二光电传感器信号电平在第一操作模式期间校准光传感器信号。
    • 69. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20100013813A1
    • 2010-01-21
    • US12529476
    • 2008-04-09
    • Hiromi KatohKazuhiro MaedaChristopher Brown
    • Hiromi KatohKazuhiro MaedaChristopher Brown
    • G09G5/00H03F3/08
    • G06F3/0418G01J1/46G02F2001/13312G06F3/0412G09G3/3648
    • Provided is a display device that has a photodetection element within a pixel and can calibrate automatically a photo sensor signal during an operation of the display device. A sensor row driver (5) has a first operation mode for supplying a sensor drive signal of a first pattern to a photo sensor in a pixel region (1) and outputting a photo sensor signal corresponding to a quantity of receiving light to a signal processing circuit (8), a second operation mode for supplying a sensor drive signal of a second pattern and acquiring a first photo sensor signal level for calibration corresponding to the case where a black level is detected, and a third operation mode for supplying a sensor drive signal of a third pattern and acquiring a second photo sensor signal level for calibration corresponding to the case where a white level is detected. During the first operation mode, a third photo sensor signal level for calibration is acquired from a dummy pixel. The signal processing circuit (8) calibrates the photo sensor signal from an effective pixel during the first operation mode by using the first to third photo sensor signal levels.
    • 提供一种在像素内具有光电检测元件并且可以在显示装置的操作期间自动校准光电传感器信号的显示装置。 传感器行驱动器(5)具有第一操作模式,用于将像素区域(1)中的第一图案的传感器驱动信号提供给光传感器,并将与接收光量对应的光传感器信号输出到信号处理 电路(8),用于提供第二图案的传感器驱动信号的第二操作模式,并且获取与检测到黑电平的情况相对应的用于校准的第一光电传感器信号电平;以及第三操作模式,用于提供传感器驱动 信号,并且获取与检测到白电平的情况相对应的用于校准的第二光电传感器信号电平。 在第一操作模式期间,从虚拟像素获取用于校准的第三光电传感器信号电平。 信号处理电路(8)通过使用第一至第三光传感器信号电平在第一操作模式期间从有效像素校准光传感器信号。