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    • 4. 发明申请
    • Built-in-self-test (BIST) circuit with digital output for phase locked loops-jitter testing and method thereof
    • 内置自检(BIST)电路,具有锁相环数字输出 - 抖动测试及其方法
    • US20060058973A1
    • 2006-03-16
    • US11007350
    • 2004-12-09
    • Yu-Chen Chen
    • Yu-Chen Chen
    • G01R29/26
    • H03L7/08G01R29/26
    • A built-in-self-testing (BIST) circuit with digital output for phase locked loops-jitter testing and the method thereof are used to solve the problems of difficult processing and test of high frequency signals encountered during test of jitter signal of phase locked loops. The built-in-self-testing (BIST) circuit with digital output for phase locked loops-jitter testing comprises a phase locked loop unit electrically connected with a frequency divide unit. The frequency divide unit is electrically connected with a signal conversion unit. A digital computation unit is electrically connected with the signal conversion unit. A maximum hold circuit is electrically connected with the digital computation unit. After an input signal is provided to and processed by the phase locked loop unit, the maximum hold circuit outputs a self test output signal exhibiting the occurrence situation of jitter signal of the phase locked loop unit.
    • 具有锁相环数字输出的内置自检(BIST)电路 - 抖动测试及其方法用于解决在锁相抖动信号测试期间遇到的高频信号难以处理和测试的问题 循环。 具有锁相环数字输出的内置自测试(BIST)电路 - 抖动测试包括与分频单元电连接的锁相环单元。 分频单元与信号转换单元电连接。 数字计算单元与信号转换单元电连接。 最大保持电路与数字计算单元电连接。 在将输入信号提供给锁相环单元进行处理之后,最大保持电路输出显示锁相环单元的抖动信号的发生情况的自检输出信号。
    • 5. 发明授权
    • IC card connector
    • IC卡连接器
    • US06280254B1
    • 2001-08-28
    • US09510109
    • 2000-02-22
    • Kun-Tsan WuYu-Chen ChenChien Cheng Chen
    • Kun-Tsan WuYu-Chen ChenChien Cheng Chen
    • H01R2400
    • H01R13/2442
    • An IC card connector comprises an insulative housing and a plurality of contacts. A plurality of passageways is defined through the insulative housing for receiving the corresponding contacts therein. Each contact comprises a first contacting arm, a second contacting arm and a retaining portion connected between the first and second contacting arms. The first contacting arm comprises a first arcuate portion for electrically a contacting corresponding circuit of an IC card and a first connecting portion connected between the first arcuate portion and the retaining portion. The second contacting arm comprises a second arcuate portion, a soldering portion downwardly extending from the second arcuate portion, a second connecting portion extending from the retaining portion to the soldering portion, and a pair of fixing portions extending from lateral edges of the second connecting portion. In operation, after the IC card is inserted into the IC connector, the first arcuate portion is downwardly pressed to contact the second arcuate portion. The contact forms a parallel electrical connection between the IC card and the circuit board. Thus the signal transmission path is shortened and the electrical resistance of the contact in the present IC card connector is decreased.
    • IC卡连接器包括绝缘壳体和多个触点。 通过绝缘壳体限定多个通道,用于在其中接收相应的触点。 每个触点包括第一接触臂,第二接触臂和连接在第一和第二接触臂之间的保持部分。 第一接触臂包括用于电接触IC卡的相应电路的第一弧形部分和连接在第一弧形部分和保持部分之间的第一连接部分。 第二接触臂包括第二弧形部分,从第二弧形部分向下延伸的焊接部分,从保持部分延伸到焊接部分的第二连接部分,以及从第二连接部分的侧边缘延伸的一对固定部分 。 在操作中,在将IC卡插入IC连接器之后,第一弓形部分被向下按压以接触第二弧形部分。 触点在IC卡和电路板之间形成并联的电气连接。 因此,信号传输路径被缩短,并且本IC卡连接器中的触点的电阻降低。
    • 9. 发明申请
    • IC socket with contacts
    • 带插座的IC插座
    • US20070281527A1
    • 2007-12-06
    • US11810271
    • 2007-06-05
    • Hao-Yun MaYu-Chen Chen
    • Hao-Yun MaYu-Chen Chen
    • H01R13/15
    • H01R13/2442H01R12/57H01R12/714H05K7/1069
    • An IC socket includes a plurality of terminals (7) arranged in a matrix defined by row and column directions perpendicular to each other. The terminal includes a contact arm (73) extending from a middle portion of the terminal. The contact arm includes a first resilient arm (731) extending essentially towards the row direction in a first direction, from a top view, and a second resilient arm (733) angled with the first resilient arm and extending essentially towards the row direction in a second direction, from the top view, different from the first direction. Since the second resilient arm extends essentially toward the row direction, rather than parallel to the row direction, and a larger recess is formed between respective resilient arms of adjacent terminals in a same row, there will not be apt to form a short circuit between any portions of the first lower resilient arm and the second upper resilient arm.
    • IC插座包括以垂直于彼此垂直的行和列方向限定的矩阵布置的多个端子(7)。 端子包括从端子的中间部分延伸的接触臂(73)。 接触臂包括从顶视图向第一方向基本上朝行方向延伸的第一弹性臂(731)和与第一弹性臂成角度的第二弹性臂(733),并且基本上朝向行方向延伸 第二个方向,从顶部看,不同于第一个方向。 由于第二弹性臂基本上朝向行方向而不是平行于行方向延伸,并且在相邻行中的相邻端子的相应的弹性臂之间形成较大的凹部,所以不会容易在任何 第一下弹性臂和第二上弹性臂的部分。
    • 10. 发明申请
    • Land grid array connector
    • 电网阵列连接器
    • US20070020963A1
    • 2007-01-25
    • US11491669
    • 2006-07-24
    • Hao-Yun MaYu-Chen Chen
    • Hao-Yun MaYu-Chen Chen
    • H01R12/00
    • H05K7/1053
    • A land grid array (LGA) connector (1) according to an embodiment of the present invention includes an insulative housing (2), a stiffener (3) coupled to the housing, and a plurality of ribs (23) projecting from a periphery edge of the housing. The stiffener defines an opening (31) for surrounding the housing. Each of the ribs has a base defining a mating surface (2321) and a mounting surface (2312). The stiffener is coupled to the housing by the rib mating surface abutting against a wall face (32) of the stiffener opening, and the rib mounting surface resting on a peripheral edge (320) of the stiffener that defines the opening. As such, a reliable coupling between the stiffener and the housing is achieved, thereby having no possibility of releasing the housing from the stiffener by an external, improper force.
    • 根据本发明的实施例的平面栅格阵列(LGA)连接器(1)包括绝缘壳体(2),联接到壳体的加强件(3)和从周边边缘突出的多个肋(23) 的住房。 加强件限定用于围绕壳体的开口(31)。 每个肋具有限定配合表面(2321)和安装表面(2312)的基部。 加强件通过肋配合表面抵靠加强件开口的壁面(32)联接到壳体,并且肋安装表面搁置在限定开口的加强件的周边边缘(320)上。 因此,实现了加强件和壳体之间的可靠的联接,从而不可能通过外部不正确的力将壳体从加强件释放。