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    • 42. 发明授权
    • Method for entering alpha-numeric data
    • 输入字母数字数据的方法
    • US5982303A
    • 1999-11-09
    • US17939
    • 1998-02-03
    • Jeffrey Smith
    • Jeffrey Smith
    • G06F3/023G08B11/00
    • G06F3/0233
    • A method is provided for transforming ordered pairs of keystrokes entered on a keypad with eight or more keys into a full complement of alpha-numeric characters, as might be enterable from a computer keyboard. The method can be utilized with any device that permits an operator to select one of eight keys or other means of generating a distinct electrical or other signal. The keys or positions are arranged radially around a center point in locations corresponding to keys 1-4 and 6-9 of the telephone keypad. Examples of input devices include a numeric keypad, a telephone keypad, and a "joystick." The method employs an alphabet in which each character is represented by a two-stroke pictographic figure. The first stroke proceeds from the position of the first key to be pressed, thence to the center of the keypad or device. The second stroke proceeds from said center to a the position of the second key to be pressed. For the majority of letters, the figure thus formed bears a pictographic resemblance to the printed letter. The operator presses keys corresponding to the beginning and ending points of the pictograph of the desired character or key equivalent.
    • 提供了一种用于将具有八个或更多个键的键盘上输入的键击的有序对变换成可以从计算机键盘输入的字母数字字符的全部补充的方法。 该方法可以与允许操作者选择八个键之一或产生不同电或其他信号的其它装置的任何装置一起使用。 键或位置围绕电话键盘的键1-4和6-9对应的位置的中心点径向排列。 输入设备的示例包括数字小键盘,电话键盘和“操纵杆”。 该方法使用字母表,其中每个字符由二冲程象形图表示。 第一笔划从第一个按键的位置进入到键盘或设备的中央。 第二笔划从所述中心进行到要被按压的第二键的位置。 对于大多数信件,这样形成的图形与印刷字母的图形相似。 操作员按下与所需字符或键等效物的象形文字的起点和终点对应的键。
    • 44. 发明授权
    • Electrostatic discharge protection circuit
    • 静电放电保护电路
    • US5430595A
    • 1995-07-04
    • US138472
    • 1993-10-15
    • Glen R. WagnerJeffrey SmithJose A. MaizClair C. WebbWilliam M. Holt
    • Glen R. WagnerJeffrey SmithJose A. MaizClair C. WebbWilliam M. Holt
    • H01L27/04H01L21/822H01L27/02H01L27/06H01L29/861H02H9/04H02H3/22
    • H01L27/0262H01L27/0251
    • A device for protecting an integrated circuit (IC) against electrostatic discharge (ESD) includes a self-triggered silicon controlled rectifier (STSCR) coupled across the internal supply potentials of the integrated circuit. The STSCR exhibits a snap-back in its current versus voltage characteristic which is triggered at a predetermined voltage during an ESD event. As large voltages build up across the chip capacitance, the predetermined voltage of the SCR is triggered at a potential which is sufficiently low to protect the internal junctions of the IC from destructive reverse breakdown. The STSCR comprises a pnpn semiconductor structure which includes a n-well disposed in a p-substrate. A first n+ region and a p-type region are both disposed in the n-well. The n+ and p-type regions are spaced apart and electrically connected to form the anode of the SCR. The ESD protection device also includes diode clamps between the periphery and internal power supply lines, and a novel well resistor which provides a distributed resistance further protecting sensitive output buffer circuitry.
    • 用于保护集成电路(IC)防止静电放电(ESD)的装置包括耦合在集成电路的内部电源上的自触发可控硅整流器(STSCR)。 STSCR呈现其在ESD事件期间以预定电压触发的电流对电压特性的瞬时恢复。 当跨越芯片电容的大电压积聚时,SCR的预定电压以足够低的电位被触发,以保护IC的内部结不受破坏性的反向击穿。 STSCR包括pnpn半导体结构,其包括设置在p衬底中的n阱。 第n +区和p型区均设置在n阱中。 n +和p型区域间隔开并电连接以形成SCR的阳极。 ESD保护器件还包括在外围电源线和内部电源线之间的二极管钳位,以及提供进一步保护敏感输出缓冲器电路的分布电阻的新型阱电阻器。
    • 48. 发明授权
    • Switch arrangement and method for electrical switching
    • 开关布置和电气开关方法
    • US08283808B2
    • 2012-10-09
    • US12374647
    • 2007-07-19
    • Pawel ChojeckiJeffrey Smith
    • Pawel ChojeckiJeffrey Smith
    • H01H19/14
    • H03K17/0822H03K2217/0063Y10T307/76
    • A switch arrangement comprises a first and a second terminal (1, 2), a first switch (3), a current sensor (10), a first and a second control circuitry (20, 30). The first switch (3) comprises a control terminal (4), a first terminal (5) which is coupled to the first terminal (1) of the switch arrangement and a second terminal (6) which is coupled to the second terminal (2) of the switch arrangement. The current sensor (10) is realized for the measurement of a load current (Iload) flowing through the first switch (3). The first control circuitry (20) is coupled to an output terminal of the current sensor (10) and to the control terminal (4) of the first switch (3). The second control circuitry (30) is coupled to the control terminal (4) of the first switch (3).
    • 开关装置包括第一和第二端子(1,2),第一开关(3),电流传感器(10),第一和第二控制电路(20,30)。 第一开关(3)包括控制端子(4),耦合到开关装置的第一端子(1)的第一端子(5)和耦合到第二端子(2)的第二端子(6) )开关装置。 电流传感器(10)被实现用于测量流经第一开关(3)的负载电流(Iload)。 第一控制电路(20)耦合到电流传感器(10)的输出端和第一开关(3)的控制端(4)。 第二控制电路(30)耦合到第一开关(3)的控制端子(4)。