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    • 64. 发明授权
    • Matched filter and method of synchronizing operation timing of receiver with phase of desired wave signal
    • 匹配滤波器和接收机的操作定时与期望波信号的相位同步的方法
    • US06275545B1
    • 2001-08-14
    • US09094146
    • 1998-06-09
    • Hidetoshi Suzuki
    • Hidetoshi Suzuki
    • H03D100
    • H04B1/7093
    • Herein disclosed is a matched filter for synchronizing a phase of an input wave signal with that of a desired wave signal, thereby making it possible to decrease the power consumption. The matched filter comprises a plurality of correlation units each having a multiplier and an integrator. The multiplier of each correlation units is designed to multiply an input signal by a predetermined coefficient at predetermined intervals in a predetermined operation cycle of the matched filter. The coefficient sequentially varies at the intervals. The integrator of each correlation units is designed to integrate the product obtained by the multiplier over the operation cycle into a correlation value. The matched filter further comprises control and multiplexer. The control means is designed to output a plurality of control signals at the intervals to direct the correlation units, respectively, to start operating. The multiplexer is electrically connected to the correlation units for inputting the correlation values and sequentially outputting one of the correlation values in response to the control signal and resetting the one correlation value.
    • 这里公开了一种用于使输入波信号的相位与期望波信号的相位同步的匹配滤波器,从而可以降低功耗。 匹配滤波器包括多个相关单元,每个相关单元具有乘法器和积分器。 每个相关单元的乘法器被设计成在匹配滤波器的预定操作周期中以预定间隔将输入信号乘以预定系数。 系数依次间隔变化。 每个相关单元的积分器被设计为将由乘法器​​获得的乘积在运算周期上的乘积整合为相关值。 匹配滤波器还包括控制和多路复用器。 控制装置被设计成以间隔输出多个控制信号,以分别引导相关单元开始操作。 多路复用器电连接到相关单元,用于输入相关值,并且响应于控制信号顺序地输出相关值中的一个并重置一个相关值。
    • 67. 发明授权
    • Electron generating apparatus, image forming apparatus, and method of
manufacturing and adjusting the same
    • 电子发生装置,图像形成装置及其制造和调整方法
    • US6144350A
    • 2000-11-07
    • US731506
    • 1996-10-16
    • Akira FujiiHidetoshi SuzukiEiji Yamaguchi
    • Akira FujiiHidetoshi SuzukiEiji Yamaguchi
    • G06F3/00G09G3/22H01J9/02H01J9/44
    • H01J9/027
    • It is an object of this invention to provide an electron generating apparatus which is hardly influenced by variations in driving voltage, an image forming apparatus using the electron generating apparatus, and a method of manufacturing and adjusting the same. The row wiring layers of a multi-electron-beam source (300) are sequentially selectively switched by a control circuit (302) and applied with a pulse voltage having a value about 1.05 to 1.5 times the maximum value of a normal driving voltage from a DC voltage source (301). The characteristics of all surface conduction electron-emitting devices of the multi-electron-beam source (300) are shifted to the high potential side. With this process, even when the driving voltage becomes high due to superposition of noise and the driving voltage, variations in electron-emitting characteristics caused by the voltage shift characteristics of the surface conduction electron-emitting devices can be prevented.
    • 本发明的目的是提供几乎不受驱动电压变化影响的电子发生装置,使用该电子发生装置的图像形成装置及其制造和调整方法。 多电子束源(300)的行布线层由控制电路(302)依次选择性地切换,并施加从正常驱动电压的最大值的大约1.05到1.5倍的脉冲电压 直流电压源(301)。 多电子束源(300)的所有表面传导电子发射器件的特性被转移到高电位侧。 通过该处理,即使由于噪声叠加和驱动电压而使驱动电压变高,也能够防止由表面传导电子发射器件的电压偏移特性引起的电子发射特性的变化。