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    • 71. 发明授权
    • Component mounting method and component mounting apparatus
    • 部件安装方法和部件安装装置
    • US06842974B1
    • 2005-01-18
    • US10088759
    • 2000-09-26
    • Yasuhiro MaenishiTakahiro InoueIkuo Yoshida
    • Yasuhiro MaenishiTakahiro InoueIkuo Yoshida
    • H05K13/04H05K3/30
    • H05K13/0478H05K13/0409H05K13/041H05K13/0452Y10T29/4913Y10T29/49131Y10T29/49144Y10T29/53174Y10T29/53178
    • An electronic component mounting method for placing electronic components successively to component placing positions on a board by component holding devices equipped with a plurality of removable suction nozzles which is operable to hold the electronic components. The method, as an example of its various manners, includes: in placing the electronic components onto a multiple board composed of a plurality of sub-boards, applying a placement step to all the sub-boards, the placement step being a step of placing onto the board all of electronic components that are holdable by an identical suction nozzle; and after completion of the placement step, changing the suction nozzle to another and moving to a next placement step, whereby electronic-component mounting for the individual sub-boards is carried out. In another aspect, component array intervals (M) of component feed sections or intervals (N) of component placing positions on the board are made coincident with array intervals (L) of the component holding devices.
    • 一种电子部件安装方法,用于通过具有可操作以保持电子部件的多个可移除的吸嘴的部件保持装置将电子部件连续地放置在板上的部件放置位置。 该方法作为其各种方式的示例,包括:将电子部件放置在由多个子板构成的多个板上,向所有子板施加放置步骤,放置步骤是放置步骤 在板上所有可由相同吸嘴保持的电子部件; 并且在完成放置步骤之后,将吸嘴改变为另一个并移动到下一个放置步骤,由此执行用于各个子板的电子部件安装。 在另一方面,组件馈送部分的组件阵列间隔(M)或板上的组件放置位置的间隔(N)与组件保持装置的阵列间隔(L)一致。
    • 72. 发明授权
    • Charge and/or discharge circuit, and carrier detector circuit using same
    • 充电和/或放电电路,以及使用其的载波检测器电路
    • US06677732B1
    • 2004-01-13
    • US10189396
    • 2002-07-08
    • Takahiro InoueNaruichi YokogawaTakeshi Nishino
    • Takahiro InoueNaruichi YokogawaTakeshi Nishino
    • H01M1046
    • H04B10/69H04L27/06
    • A charge/discharge circuit creates a carrier detection level based on a received signal in a carrier detector circuit for detecting the presence or absence of a carrier in such applications as a receiver for an IR remote controller. The charge/discharge circuit operates to amplify a current, that is produced in n-type transistors QN1, QN2, QN3 and a reference current source, in a p-type transistor QP1. The amplified current is mirrored by a current mirror circuit to be supplied as an emitter current of a p-type transistor QP2. The charge/discharge circuit charges a capacitor with a small current, i.e., a base current of the p-type transistor QP2. The charge/discharge circuit includes a bias voltage source which produces such a bias voltage that the emitter-collector voltage of the p-type transistor QP1 becomes substantially equal to the emitter-collector voltage of the p-type transistor QP2. As a result, it is possible to limit an error of a charge current charged into the capacitor, which is caused by the emitter-collector voltage dependent change of the collector current and thus the base current, known as the Early effect.
    • 充电/放电电路基于载波检测器电路中的接收信号创建载波检测电平,用于在诸如用于IR遥控器的接收机的应用中检测载波的存在或不存在。 充电/放电电路用于在p型晶体管QP1中放大在n型晶体管QN1,QN2,QN3和参考电流源中产生的电流。 放大的电流由电流镜电路镜像,以作为p型晶体管QP2的发射极电流提供。 充电/放电电路以小电流(即p型晶体管QP2的基极电流)对电容器充电。 充电/放电电路包括偏置电压源,其产生这样的偏置电压,使得p型晶体管QP1的发射极 - 集电极电压变得基本上等于p型晶体管QP2的发射极 - 集电极电压。 结果,可以限制由集电极电流的发射极 - 集电极电压依赖的变化引起的充电到电容器中的充电电流的误差,从而限制被称为早期效应的基极电流。