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    • 72. 发明授权
    • Image forming apparatus with optical system control means
    • 具有光学系统控制装置的图像形成装置
    • US5309204A
    • 1994-05-03
    • US823662
    • 1992-01-21
    • Kazuo SatoHideki EndoSatoshi Watanabe
    • Kazuo SatoHideki EndoSatoshi Watanabe
    • G03G15/36G03G15/04G03G15/043G03G15/047G03G21/00G03G15/28
    • G03G15/047G03G15/04045
    • An apparatus for forming an image of a document on a photoreceptor includes a charging device for charging the photoreceptor so as to form an image region, an eliminating device for eliminating a charge on the photoreceptor to form a non-image region, and a scanner for moving from a stop position to scan a document with an exposure light so that a latent image, corresponding to an image of the document, is formed on the image region of the photoreceptor. The scanner also moves backward and stops at the stop position. A position signal corresponding to a predetermined position of the scanner is generated by a signal device. A timer starts counting a time responsive to the position signal. The timer produces a first and second timing signal after the scanner stops at the stop position. The scanner is controlled to move from the stop position to form a next latent image on the photoreceptor in response to the first timing signal, and the eliminating device is controlled to stop eliminating a charge on the photoreceptor so as to provide an image region on the photoreceptor for a next latent image in response to the second timing signal. The eliminating device provides a non-image region on the photoreceptor at a portion of the photoreceptor in a vicinity of an edge portion of the document.
    • 用于在感光体上形成原稿的图像的装置包括用于对感光体充电以形成图像区域的充电装置,用于消除感光体上的电荷以形成非图像区域的消除装置,以及用于 从停止位置移动以用曝光光扫描原稿,使得在感光体的图像区域上形成与文档的图像相对应的潜像。 扫描仪也向后移动并停在停止位置。 通过信号装置产生与扫描仪的预定位置对应的位置信号。 定时器响应于位置信号开始计时。 在扫描仪停止在停止位置之后,定时器产生第一和第二定时信号。 控制扫描仪从停止位置移动,以响应于第一定时信号在感光体上形成下一个潜像,并且控制消除装置以停止消除感光体上的电荷,以便在感光体上提供图像区域 用于响应于第二定时信号的下一个潜像的感光体。 消除装置在感光体的文档边缘部分附近的感光体的一部分上提供非图像区域。
    • 73. 发明授权
    • HDB3 code violation detector
    • HDB3代码违规检测器
    • US5285459A
    • 1994-02-08
    • US755761
    • 1991-09-06
    • Yuzo OkuyamaKazuo SatoYamato TachibanaRyuhei MotonoKazuo Takeoka
    • Yuzo OkuyamaKazuo SatoYamato TachibanaRyuhei MotonoKazuo Takeoka
    • H04L25/02H03M5/18H04L1/24H04L25/49G06F11/00H03M5/06H03M13/00
    • H04L25/4925H03M5/18H04L1/247
    • An HDB3 code violation detector includes a converting part for receiving positive polarity data and negative polarity data from a PCM line and for converting an HDB3 code received via the PCM line into an NRZ signal, and a first judging part receiving the positive polarity data, the negative polarity data and the NRZ signal, for judging whether or not a pattern of the NRZ signal received from the converting part is possible when the NRZ signal is NRZ "1" and for outputting a judgement result. In addition, the detector includes a second judging part receiving the positive polarity data, the negative polarity data and the NRZ signal, for judging whether or not a pattern of the NRZ signal received from the converting part is possible when the NRZ signal has a maximum of three consecutive NRZ "0"s and for outputting a judgement result. Further, the detector includes a third judging part receiving the positive polarity data, the negative polarity data and the NRZ signal, for judging whether or not a pattern of the NRZ signal received from the converting part is possible when the NRZ signal has at least four consecutive NRZ "0"s and for outputting a judgement result, and a detecting part for detecting a code violation of the HDB3 code based on the judgement results of the first, second and third judging parts.
    • HDB3代码违规检测器包括:转换部件,用于从PCM线路接收正极性数据和负极性数据,并将用于将经由PCM线路接收的HDB3代码转换为NRZ信号,以及接收正极性数据的第一判断部件, 负极性数据和NRZ信号,用于在NRZ信号为NRZ“1”时判断从转换部分接收到的NRZ信号的模式是否可能,并输出判断结果。 此外,检测器包括接收正极性数据,负极性数据和NRZ信号的第二判断部分,用于当NRZ信号具有最大值时判断从转换部分接收的NRZ信号的模式是否可能 的三个连续的NRZ“0”并输出判断结果。 此外,检测器包括接收正极性数据,负极性数据和NRZ信号的第三判断部分,用于当NRZ信号具有至少四个时,判断从转换部分接收的NRZ信号的模式是否可能 连续NRZ“0”,并输出判断结果,以及检测部,根据第一,第二,第三判断部的判定结果检测HDB3码的代码违例。
    • 77. 发明授权
    • Mobile antenna system
    • 移动天线系统
    • US5166693A
    • 1992-11-24
    • US629653
    • 1990-12-07
    • Kunitoshi NishikawaKazuo SatoTomoaki HirakoMitoshi Fujimoto
    • Kunitoshi NishikawaKazuo SatoTomoaki HirakoMitoshi Fujimoto
    • H01Q1/32H01Q3/26H01Q21/06
    • H01Q3/2605H01Q1/3233H01Q21/065
    • In mobile communications, it is required that the beam direction is maintained to track the desired direction as the mobile is moving. For such a purpose, the mobile includes an angular rate sensor mounted therein which detects the state of turn in the mobile and to control the beam direction of the antenna in accordance with the state of turn as well as the strength of radiowave received by a receiver in the mobile. Antenna elements are in the form of microstrip antenna and are arranged in plane on the same dielectric substrate. Feeding and drive circuit layers for controlling the transmission and reception at the antenna elements are stacked into a single layered unit. This enables the antenna system to be formed into a low-profile structure. The dielectric substrate of the microstrip antenna element is formed by stacking a plurality of dielectric substrate different in dielectric constant from one another. It is thus intended that the band width of the antenna is increased and that the mutual coupling between the antenna elements is reduced to prevent the gain of the antenna from being lowered. Furthermore, the position of feed points in the antenna element are rotated against each adjacent antenna element. This can improve the axial ratio in the array antenna over a wide band width.
    • 在移动通信中,要求在移动台移动时保持波束方向跟踪所需的方向。 为了这样的目的,移动装置包括安装在其中的角速率传感器,其检测移动台中的转弯状态并且根据转向状态以及由接收器接收到的无线电波的强度来控制天线的波束方向 在手机。 天线元件是微带天线的形式,并且布置在同一电介质基片上的平面上。 用于控制天线元件的发送和接收的馈电和驱动电路层被堆叠成单层单元。 这使得天线系统能够形成为薄型结构。 微带天线元件的电介质基板是通过将不同介电常数彼此不同的多个电介质基板堆叠而形成的。 因此,希望增加天线的带宽,并且降低天线元件之间的相互耦合以防止天线的增益降低。 此外,天线元件中馈电点的位置相对于每个相邻的天线元件旋转。 这可以提高阵列天线在宽带宽上的轴比。