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    • 73. 发明授权
    • Printer detecting data precisely in response to change in data transmission speed
    • 打印机根据数据传输速度的变化精确地检测数据
    • US06952276B2
    • 2005-10-04
    • US09127688
    • 1998-07-31
    • Hiroshi SotokawaTakashi Kato
    • Hiroshi SotokawaTakashi Kato
    • G06K15/10G06F13/00G06F3/12
    • G06K15/10
    • A printer, which is connected to a host computer, comprises a synchronizing signal output section for outputting a synchronizing signal to the host computer, a data detection section for detecting print data received from the host computer by using a sampling signal, and a print processing execution section for performing print processing based on the detected print data, wherein the sampling signal has a frequency higher than the synchronizing signal has. Upon detection of a change command for changing the clock rate of the synchronizing signal from the host computer, the printer may give a signal to the host computer for instructing the host computer to stop transmitting data and change the synchronizing signal into the clock rate specified in the change command. Upon completion of changing the clock rate of the synchronizing signal, the printer may output a signal to the host computer for instructing the host computer to restart transmitting data. A count value is counted by a timer in sequence and each time the expiration of the counting is reached, a data output command signal may be output to a data transmission section and data of a predetermined length may be transmitted from the data transmission section to the host computer.
    • 连接到主计算机的打印机包括用于向主计算机输出同步信号的同步信号输出部分,用于通过使用采样信号来检测从主计算机接收的打印数据的数据检测部分和打印处理 执行部分,用于基于检测到的打印数据执行打印处理,其中采样信号具有高于同步信号的频率。 当检测到用于改变来自主计算机的同步信号的时钟速率的改变命令时,打印机可以向主计算机发出一个信号,指示主计算机停止发送数据,并将同步信号改变为 更改命令。 当完成改变同步信号的时钟速率时,打印机可以向主计算机输出信号,以指示主计算机重启发送数据。 计数值由计时器按顺序计数,并且每当达到计数到期时,数据输出命令信号可以被输出到数据传输部分,并且可以从数据传输部分向数据传输部分发送预定长度的数据 主机。
    • 79. 发明授权
    • Projection optical system and projection exposure apparatus using the same
    • 投影光学系统和使用其的投影曝光装置
    • US06867922B1
    • 2005-03-15
    • US09593584
    • 2000-06-12
    • Chiaki TerasawaHiroyuki IshiiTakashi Kato
    • Chiaki TerasawaHiroyuki IshiiTakashi Kato
    • H01L21/027G02B13/14G02B13/24G03F7/20G02B9/00
    • G03F7/7025G02B13/143G02B13/24G03F7/70241G03F7/70741
    • A projection optical system includes a plurality of positive lens groups having a positive refractive power, and at least one negative lens group having a negative refractive power, wherein, when L is a conjugate distance of the projection optical system and φ0 is the sum of powers of the or each negative lens group, a relation |L×φ0|>17 is satisfied, wherein, when h is a height of an axial marginal light ray and hb is a height of a most abaxial chief ray, at least two aspherical surfaces are formed on surfaces which satisfy a relation |hb/h|>0.35, wherein, when ΔASPH is an aspherical amount of each aspherical surface, a relation |ΔASPH/L|>1.0×10−6 is satisfied, and wherein the at least two aspherical surfaces include regions in which, from a central portion toward a peripheral portion of the surface, their local curvature powers change with mutually opposite signs.
    • 投影光学系统包括具有正折光力的多个正透镜组和具有负屈光力的至少一个负透镜组,其中,当L是投影光学系统的共轭距离时,phi0是功率之和 或负的每个负透镜组,满足关系| Lxphi0 | 17,其中,当h是轴向边缘光线的高度,hb是最下面的主光线的高度时,形成至少两个非球面 在满足关系| hb / h |> 0.35的表面上,其中,当DeltaASPH是每个非球面的非球面量时,满足关系|ΔASPH/ L |> 1.0×10 -6,并且其中,所述至少两个 非球面包括从表面的中心部分朝向周边部分的局部曲率功率以相反的符号变化的区域。
    • 80. 发明授权
    • Optical module
    • 光模块
    • US06836490B2
    • 2004-12-28
    • US10247816
    • 2002-09-20
    • Jiro ShinkaiTakashi KatoToshio TakagiHiroyuki Yabe
    • Jiro ShinkaiTakashi KatoToshio TakagiHiroyuki Yabe
    • H01S304
    • H01S5/0687H01S5/02216H01S5/0222H01S5/02248H01S5/02284H01S5/0612H01S5/0683
    • The object of the present invention is to provide an optical module for a WDM communication system, in which the oscillation wavelength is on the grid of the WDM regulation. The optical output power and the oscillation wavelength can be controlled independently. The present module includes a semiconductor light-emitting device, a wedge shaped etalon device and two light-receiving devices. The etalon contains a second portion, on which anti-reflection films are coated, and a first portion. One of the receiving devices detects light transmitted through the second portion of the etalon, while the other device detects light through the first portion. A signal from the former device controls the output power of the light-emitting device, while a signal from the latter receiving device controls the oscillation wavelength of the laser.
    • 本发明的目的是提供一种用于WDM通信系统的光学模块,其中振荡波长在WDM调节的网格上。 可以独立地控制光输出功率和振荡波长。 本模块包括半导体发光器件,楔形标准器器件和两个光接收器件。 标准具包含第二部分,其上涂覆有抗反射膜和第一部分。 接收装置中的一个检测通过标准具的第二部分透射的光,而另一个装置通过第一部分检测光。 来自前一个装置的信号控制发光装置的输出功率,而来自后一个接收装置的信号控制激光器的振荡波长。