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    • 26. 发明授权
    • Radio frequency power amplifier
    • 射频功率放大器
    • US08134409B2
    • 2012-03-13
    • US12823474
    • 2010-06-25
    • Masato SekiMasahiro MaedaMasatosi Kamitani
    • Masato SekiMasahiro MaedaMasatosi Kamitani
    • H03F3/68
    • H03F3/195H03F1/0205H03F1/56H03F3/60H03F2200/451
    • A radio frequency power amplifier includes an input terminal to which a radio frequency signal is applied; a first hetero-bipolar transistor (HBT), which amplifies the radio frequency signal; a second HBT, which amplifies the radio frequency signal; a matching circuit connected to an output node of the second HBT; a switch connected to an output node of the matching circuit; and an output matching circuit connected to an output node of the first HBT. The output node of the switch is connected to the output node of the first HBT via the output matching circuit, and an impedance looking into an output side of the radio frequency power amplifier from the output node of the switch is higher than an impedance looking into the output side of the radio frequency power amplifier from the output node of the first HBT.
    • 射频功率放大器包括施加射频信号的输入端子; 放大射频信号的第一异质双极晶体管(HBT); 第二个HBT放大射频信号; 连接到第二HBT的输出节点的匹配电路; 连接到匹配电路的输出节点的开关; 以及连接到第一HBT的输出节点的输出匹配电路。 开关的输出节点经由输出匹配电路连接到第一HBT的输出节点,并且从开关的输出节点看入射频功率放大器的输出侧的阻抗高于阻抗 射频功率放大器的输出端从第一个HBT的输出节点。
    • 27. 发明申请
    • Vehicle deceleration control device
    • 车辆减速控制装置
    • US20050171676A1
    • 2005-08-04
    • US11038604
    • 2005-01-21
    • Masato Seki
    • Masato Seki
    • B60T7/12B60K31/00B60T7/22B60T8/00
    • B60K31/0008B60T7/22B60T2201/02B60W2720/106
    • A novel vehicle deceleration control device for ensuring a proper distance between a vehicle and a preceding vehicle, etc., equipped on a vehicle, automatically decelerates the vehicle by controlling braking force based on a target deceleration, calculated based on a relative distance and a relative speed between the vehicle and its preceding vehicle, etc., when automatic deceleration is required. The inventive device, however, will decelerate the own vehicle based on a maximum allowable deceleration when the magnitude of the target deceleration is larger than the magnitude of the maximum allowable deceleration, restricting the vehicle deceleration. The maximum allowable deceleration is determined based on the vehicle speed of the own vehicle when a predetermined condition is satisfied, and maintained at a constant or within a predetermined range, thereby enabling a driver to judge the necessity of braking operation by himself during restricting the vehicle deceleration more easily than ever.
    • 一种用于确保车辆和前方车辆等之间的适当距离的新型车辆减速控制装置,通过基于相对距离计算出的目标减速度来控制制动力,自动减速车辆, 当需要自动减速时,车辆与前一车辆之间的速度等。 然而,当目标减速度的大小大于最大允许减速度的大小时,限制车辆减速度,本发明的装置将基于最大允许减速度来减速本车辆。 当满足预定条件时,根据本车辆的车速确定最大允许减速度,并将其保持在一定或在预定范围内,从而使驾驶员能够在限制车辆期间自己判断制动操作的必要性 比以往更容易减速。