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    • 61. 发明申请
    • Communication apparatus
    • 通讯设备
    • US20050057407A1
    • 2005-03-17
    • US10938734
    • 2004-09-10
    • Tatsuya ImaizumiJunichi Ikeda
    • Tatsuya ImaizumiJunichi Ikeda
    • H01Q19/02H01Q1/24H01Q1/38H01Q1/48H01Q5/00H01Q9/42H01Q13/08H01Q21/28H04B1/40
    • H01Q1/242H01Q9/42
    • A communication apparatus includes a first antenna device connected to a first communication circuit and a first antenna ground, and a second antenna device connected to a second communication circuit and a second antenna ground. The direction in which the first antenna device resonates is away from the direction in which the second antenna device resonates. The first antenna device is provided with a first waveguide passive element which is radiation-coupled with the first antenna device. The second antenna device is provided with a second waveguide passive element which is radiation-coupled with the second antenna device. Because of the function of the first and second passive elements, radio interference between the first antenna device and the second antenna device installed in the communication apparatus can be reduced.
    • 通信装置包括连接到第一通信电路和第一天线接地的第一天线装置,以及连接到第二通信电路和第二天线接地的第二天线装置。 第一天线装置谐振的方向远离第二天线装置谐振的方向。 第一天线装置设置有与第一天线装置辐射耦合的第一波导无源元件。 第二天线装置设置有与第二天线装置辐射耦合的第二波导无源元件。 由于第一和第二无源元件的功能,可以减少安装在通信装置中的第一天线装置与第二天线装置之间的无线电干扰。
    • 62. 发明授权
    • Ejector and negative-pressure supply apparatus using the same
    • 使用其的喷射器和负压供给装置
    • US06796772B2
    • 2004-09-28
    • US10187802
    • 2002-07-03
    • Junichi IkedaAtsuya KoshuJun Watanabe
    • Junichi IkedaAtsuya KoshuJun Watanabe
    • F04F544
    • F04F5/52F04F5/20F04F5/44F04F5/467F04F5/54
    • An ejector can obtain a sufficiently large suction air quantity without reducing the ultimate vacuum. A diffuser is disposed downstream of a nozzle to form a single Laval nozzle. A suction port is provided between the nozzle and the diffuser. The inlet of the diffuser is enlarged in width so that the side walls thereof extend approximately parallel to each other along the axis of the diffuser over a predetermined length. When air is caused to flow from an inlet closer to the nozzle toward an outlet by the engine intake negative pressure, the flow velocity at a throat portion reaches the sound velocity owing to the effect of the Laval nozzle. Consequently, a high negative pressure is generated at the suction port. The parallel portion formed by enlarging the inlet of the diffuser allows the suction air quantity to be increased without reducing the effect of the Laval nozzle.
    • 喷射器可以获得足够大的吸入空气量而不降低极限真空度。 扩散器设置在喷嘴的下游以形成单个拉瓦尔喷嘴。 在喷嘴和扩散器之间设有吸入口。 扩散器的入口的宽度被扩大,使得其侧壁沿着扩散器的轴线在预定长度上彼此大致平行地延伸。 当通过发动机进气负压使空气从更靠近喷嘴的入口流向出口时,由于拉瓦尔喷嘴的作用,喉部处的流速达到声速。 因此,在吸入口处产生高的负压。 通过扩大扩散器的入口而形成的平行部分允许增加吸入空气量而不降低拉伐尔喷嘴的效果。
    • 68. 发明申请
    • DATA TRANSFER APPARATUS, DATA TRANSFER DEVICE, AND DATA TRANSFER METHOD IN A DATA TRANSFER DEVICE
    • 数据传输设备,数据传输设备和数据传输设备中的数据传输方法
    • US20110066822A1
    • 2011-03-17
    • US12880610
    • 2010-09-13
    • Junichi Ikeda
    • Junichi Ikeda
    • G06F12/00
    • G06F13/4059G06F2213/0026
    • A data transfer apparatus includes: a first port and a second port that communicate data; a memory unit that stores the data; and a securing unit that secures, when a first time period starting from transmission of data up to reception of a response to transmitted data at the first port is longer than a second time period starting from transmission of data up to reception of a response to transmitted data at the second port, a first memory space that is used in data transfer in the first port so as for the first memory space to have a larger size than a size of a second memory space used in data transfer in the second port.
    • 数据传送装置包括:传送数据的第一端口和第二端口; 存储单元,存储数据; 以及固定单元,当从数据传输开始的第一时间段到在第一端口处的发送数据的响应接收到的第一时间段长于从数据传输开始直到接收到发送的响应的第二时间段 在第二端口处的数据,用于第一端口中的数据传输中的第一存储器空间,以使第一存储器空间具有比在第二端口中的数据传输中使用的第二存储器空间的尺寸更大的尺寸。
    • 69. 发明授权
    • Semiconductor laser driving device, semiconductor laser driving method, and image forming apparatus using semiconductor laser driving device
    • 半导体激光驱动装置,半导体激光驱动方法以及使用半导体激光驱动装置的图像形成装置
    • US07480320B2
    • 2009-01-20
    • US10531755
    • 2003-10-29
    • Hiroaki KyougokuJunichi Ikeda
    • Hiroaki KyougokuJunichi Ikeda
    • H01S3/00
    • H01S5/042G03G15/043G03G15/326G11B7/126G11B7/1263H01S5/0683
    • In a semiconductor laser driving device and method, a first current below an oscillation threshold current of a semiconductor laser is outputted to the laser invariably. A second current needed for light emission of the laser responsive to an input signal is outputted to the laser. A third current for controlling the laser such that a detected amount of emission light from the laser accords with a given value is outputted to the laser. A predetermined auxiliary current is outputted to the laser. An initialization operation is performed to detect luminescence characteristics of the laser, and a signal indicating a value of the second current derived from the detected luminescence characteristics is outputted. The third current is controlled so that an amount of light outputted by the laser receiving a sum of the first, second, third and auxiliary currents, accords with a predetermined amount.
    • 在半导体激光器驱动装置和方法中,半导体激光器的振荡阈值电流以下的第一电流总是输出到激光器。 响应于输入信号的激光器的发光所需的第二电流被输出到激光器。 用于控制激光器的第三电流使得来自激光器的检测出的发射光量符合给定值被输出到激光器。 向激光器输出预定的辅助电流。 执行初始化操作以检测激光器的发光特性,并且输出指示从检测到的发光特性导出的第二电流的值的信号。 控制第三电流,使得由接收第一,第二,第三和辅助电流之和的激光器输出的光量符合预定量。
    • 70. 发明授权
    • Electrically actuated brake booster
    • 电动制动助力器
    • US07367187B2
    • 2008-05-06
    • US11475057
    • 2006-06-27
    • Junichi IkedaYukio Ohtani
    • Junichi IkedaYukio Ohtani
    • B60T13/74F16D65/14
    • B60T13/746
    • An electrically actuated brake booster capable of obtaining a desired boost ratio for a given input pressure when an electric actuator is activated as a boost source, so as to ensure a desired operability of a brake pedal. The electrically actuated brake booster comprises: an input piston 22 to which an input thrust is applied through an input rod 9 that moves in coordination with operation of a brake pedal 8; and a booster piston 21 to which a booster thrust is applied by an electric actuator 40 that uses an electric motor 41 as a drive source, such that the input piston 22 and the booster piston 21 are disposed to be movable relative to each other but are normally maintained in a neutral position of relative displacement by means of springs 34. While an amount of relative displacement between the pistons 21 and 22 is determined by the potentiometer 45, the electric motor 41 is controlled to adjust the amount of relative displacement to a predetermined value. At the same time, a reaction force acting on the input piston 22 resulting from a hydraulic brake pressure is offset by urging forces of the springs 34 to thereby obtain a desired level of boost ratio.
    • 一种电动制动助力器,其能够在电动致动器作为升压源被激活时获得给定输入压力的期望升压比,以确保制动踏板的期望的可操作性。 电动制动助力器包括:输入活塞22,通过输入杆9施加输入推力,输入杆9与制动踏板8的操作协调地移动; 以及通过使用电动机41作为驱动源的电致动器40对增压推力施力的增压活塞21,使得输入活塞22和增压活塞21相对于彼此可移动设置, 通常通过弹簧34保持在相对位移的中立位置。 当通过电位计45确定活塞21和22之间的相对位移量时,控制电动机41将相对位移量调整到预定值。 同时,作用在由液压制动器压力产生的输入活塞22上的反作用力被弹簧34的推动力抵消,从而获得所需的增压比。