公开(公告)号：US5498892A

公开(公告)日：1996-03-12

申请号：US129231

申请日：1993-09-29

申请人： John D. Walker ,  Samuel C. Gioia

发明人： John D. Walker ,  Samuel C. Gioia

IPC分类号： H01L27/02 ,  H01L27/07 ,  H01L29/08 ,  H01L29/78 ,  H01L29/68 ,  H01L21/265

CPC分类号： H01L27/0738 ,  H01L27/0288 ,  H01L29/0847 ,  H01L29/7835

摘要： A field effect transistor with improved electrostatic discharge (ESD) protection has a source, a channel underlying a gate electrode and a drain. The drain includes a lightly doped ballast resistor extending across the width of the drain and separating two other drain sub-regions. One drain sub-region is located between the ballast resistor and the channel, the other drain sub-region is opposite the resistor and connected to an exterior device. The ballast resistor laterally distributes current along the width of the drain during an ESD pulse, which reduces local peak current density and reduces damage.

摘要翻译： 具有改进的静电放电（ESD）保护的场效应晶体管具有源极，栅电极和漏极下的沟道。 漏极包括在漏极的宽度上延伸并分离两个其它漏极子区域的轻掺杂镇流电阻器。 一个漏极子区域位于镇流电阻器和沟道之间，另一个漏极子区域与电阻器相对并连接到外部器件。 镇流电阻器在ESD脉冲期间沿着漏极的宽度横向分布电流，这降低了局部峰值电流密度并减少了损坏。

公开(公告)号：US5715323A

公开(公告)日：1998-02-03

申请号：US726485

申请日：1996-10-07

申请人： John D. Walker

发明人： John D. Walker

IPC分类号： H04R1/10 ,  H04R25/00

CPC分类号： H04R5/0335 ,  H04R1/10 ,  H04R1/1033 ,  H04R1/1058

摘要： A miniature radio and two speakers, one for each ear, are releasably attachable to a pair of spectacles. The speakers are remote from the radio and connected to it through speaker wires. In a first embodiment, a truncate primary tube releasably engages a trailing end of each spectacle ear piece, and the radio is clipped to one of the primary tubes. All but the opposite ends of the speaker wires are housed within an elongate, flexible tube that interconnects the respective free ends of each truncate primary tube to one another. The elongate, flexible tube has exit openings at its opposite ends, and the opposite ends of the speaker wires extend through the exit openings and through respective auxiliary tubes that are secured to the primary tubes that engage the respective ear pieces of the spectacles. In this way, the spectacle ear pieces do not contact the opposite ends of the speaker wires when the ear pieces are inserted into the truncate primary tubes. In a second embodiment, the exit openings are eliminated and the speaker wires are housed between a pair of flaps that extend from the elongate, flexible tube. The opposite ends of the speaker wires enter the respective auxiliary tubes directly from the opposite ends of the flaps. In further embodiments, the elongate, flexible tube may be a flexible rod and the flaps are replaced by a tube.

摘要翻译： 一个微型收音机和两个扬声器，每个耳朵一个可释放地附接到一副眼镜。 扬声器远离收音机并通过扬声器线连接到它。 在第一实施例中，截头主管可释放地接合每个眼镜耳片的后端，并且无线电被夹到一个主管。 除了扬声器线的相对端之外，所有扬声器导线的所有端都容纳在细长的柔性管中，将每个截头的主管的各个自由端相互连接。 细长的柔性管在其相对端具有出口，并且扬声器线的相对端延伸穿过出口开口并且穿过相应的辅助管，该辅助管固定到接合眼镜的相应耳朵的主管。 以这种方式，当耳片插入截头的主管中时，眼镜耳片不接触扬声器线的相对端。 在第二实施例中，消除了出口，扬声器线容纳在从细长的柔性管延伸的一对折片之间。 扬声器线的相对端直接从襟翼的相对端进入相应的辅助管。 在另外的实施例中，细长柔性管可以是柔性杆，并且翼片被管替代。

公开(公告)号：US4911433A

公开(公告)日：1990-03-27

申请号：US290974

申请日：1988-12-28

申请人： John D. Walker ,  Larry Martin

发明人： John D. Walker ,  Larry Martin

IPC分类号： A63B21/065

CPC分类号： A63B21/065

摘要： A weighted glove. A plurality of small weight members are secured to a glove at preselected locations throughout the breadth and extent of the glove. Heavier weight members are secured to the hand part of the glove and lighter weight members are secured to the finger parts of the glove. The weight members on the hand part of the glove are in general alignment with the finger parts of the glove.

摘要翻译： 加重手套 多个小重量构件在手套的整个宽度和程度的预选位置固定到手套上。 较重的重量构件固定在手套的手部分上，较轻的重量构件固定在手套的手指部分上。 手套的手部分上的重量部件与手套的手指部分大致对准。

公开(公告)号：US08397560B2

公开(公告)日：2013-03-19

申请号：US12175096

申请日：2008-07-17

申请人： David Joseph De Sanzo ,  Wing Yeung Chung ,  Brian Celidonia ,  John D. Walker ,  Richard Hooker

发明人： David Joseph De Sanzo ,  Wing Yeung Chung ,  Brian Celidonia ,  John D. Walker ,  Richard Hooker

IPC分类号： G01F17/00

CPC分类号： G01G19/08 ,  G01F23/0007 ,  G01F23/02 ,  G01F23/162 ,  G01F23/164 ,  G01F23/18 ,  G01F23/20 ,  G01F23/56 ,  G01G17/04

摘要： A system for monitoring a sand reservoir includes: (a) a sand reservoir carried on an off-highway vehicle; and (b) at least one sand level indicator carried by the sand reservoir which provides a visual display external to the sand reservoir indicative of the quantity of sand within the sand reservoir.

摘要翻译： 一种用于监测砂储层的系统包括：（a）在非公路车辆上运载的砂库; 和（b）由砂储存器承载的至少一个砂级指示器，其提供指示砂储存器内的砂量的沙储层外部的视觉显示。

公开(公告)号：US6130117A

公开(公告)日：2000-10-10

申请号：US081475

申请日：1998-05-19

申请人： John D. Walker ,  Todd A. Randazzo ,  Gayle W. Miller

发明人： John D. Walker ,  Todd A. Randazzo ,  Gayle W. Miller

IPC分类号： H01L27/02 ,  H01L21/33

CPC分类号： H01L27/0262

摘要： The present invention provides a semiconductor protection device in a substrate having a first type of conductivity. The semiconductor protection device includes two vertical bipolar transistors. A well region is located within the substrate having a second type of conductivity with a base region within the well region having a first type of conductivity. A first doped region having the second type of conductivity and a second doped region having a first type of conductivity are located within the well region. A third doped region having the second type of conductivity and a fourth doped region having the first type of conductivity are located within the base region. A doped region having a first type of conductivity is located within the substrate. This doped region is connected to the fourth doped region.

摘要翻译： 本发明提供了具有第一类导电性的衬底中的半导体保护器件。 半导体保护器件包括两个垂直双极晶体管。 阱区位于衬底内，具有第二类导电性，阱区内具有第一类导电性。 具有第二类型导电性的第一掺杂区域和具有第一类型导电性的第二掺杂区域位于阱区域内。 具有第二类型导电性的第三掺杂区域和具有第一类型导电性的第四掺杂区域位于基极区域内。 具有第一类型导电性的掺杂区域位于衬底内。 该掺杂区域连接到第四掺杂区域。

公开(公告)号：US5894153A

公开(公告)日：1999-04-13

申请号：US625986

申请日：1996-04-01

申请人： John D. Walker ,  Maurice M. Moll ,  Hoang P. Nguyen

发明人： John D. Walker ,  Maurice M. Moll ,  Hoang P. Nguyen

IPC分类号： H01L27/04 ,  H01L21/822 ,  H01L27/02 ,  H01L29/78 ,  H02H9/04 ,  H01L23/62

CPC分类号： H02H9/046 ,  H01L27/0251 ,  H01L27/0255 ,  H01L27/0259 ,  H01L27/0266

摘要： An integrated circuit formed on a semiconductor substrate has a contact pad for communicating signals between an external device and an internal signal line. The pad is protected by an SCR that conducts electrostatic discharge pulses from the pad directly to a current sink. The SCR includes a subregion underneath a field oxide that has a field inplant that increases the dopant concentration. The field implant lowers the SCR trigger voltage, so that SCR triggers before an ESD pulse can cause latch-up or damage in other devices in the integrated circuit.

摘要翻译： 形成在半导体衬底上的集成电路具有用于在外部设备和内部信号线之间传送信号的接触焊盘。 焊盘受SCR的保护，SCR将焊盘的静电放电脉冲直接传递到电流吸收器。 SCR包括在具有增加掺杂剂浓度的场内的场氧化物下面的子区域。 现场注入降低了SCR触发电压，因此在ESD脉冲之前的SCR触发可能导致集成电路中其他器件的闭锁或损坏。

公开(公告)号：US4322785A

公开(公告)日：1982-03-30

申请号：US148813

申请日：1980-05-12

申请人： John D. Walker

发明人： John D. Walker

IPC分类号： H02M1/08 ,  H03K17/00 ,  H03K17/0424 ,  H02P13/22

CPC分类号： H03K17/0424 ,  H02M1/08 ,  H03K2217/0036

摘要： A driving circuit for a power transistor switch in which a feedback transformer between the collector path of the power transistor and that of the driver transistor is used to provide a current drive to the power transistor that is proportional to the load current, and in which a reverse current drive, also proportional to the load current is applied by way of a third winding on the transformer to the emitter-base circuit of the power transistor to decrease the switching-off time of that transistor.

摘要翻译： 一种用于功率晶体管开关的驱动电路，其中功率晶体管的集电极路径与驱动晶体管的集电极路径之间的反馈变压器用于向功率晶体管提供与负载电流成比例的电流驱动，其中 与负载电流成比例的反向电流驱动通过变压器上的第三绕组施加到功率晶体管的发射极 - 基极电路，以减小该晶体管的关断时间。

公开(公告)号：US20080250734A1

公开(公告)日：2008-10-16

申请号：US11735999

申请日：2007-04-16

申请人： John D. Walker

发明人： John D. Walker

IPC分类号： E04B7/00

CPC分类号： E04D13/0477 ,  E04F17/00

摘要： A between-joist gutter and hanger apparatus and method having hangers and pans for enclosing the open spaces between each pair of adjacent joists. Hangers are attached on each side of the joist space and a pan is placed therebetween providing a continuous top over the area below. Some embodiments of the present invention include a two-part hanger with one-part securable to the joist and the second part securable to the pan and the joist. The first hanger part is securable to the joists and supports the pan and second hanger part. The second hanger attached to the pan and supported by the first hanger is securable to the joist, providing further support for the pan. In some embodiments, the first hanger part includes a mechanism for selectively detaching the pan and second hanger parts after installation to allow cleaning and maintenance. Some embodiment include cross bracing for additional strength.

摘要翻译： 一种双臂间沟槽和悬挂器装置和方法，其具有用于封闭每对相邻托梁之间的开放空间的悬挂器和平底锅。 衣架连接在托梁空间的每一侧，并将锅置于其间，在下面的区域上提供连续的顶部。 本发明的一些实施例包括具有一部分可保护于托梁的两部分悬挂器，以及可固定到托盘和托梁的第二部件。 第一个衣架部分可以固定在托梁上，并支撑锅和第二衣架部分。 连接在锅底部并由第一个衣架支撑的第二个衣架可保护托梁，为锅提供进一步支撑。 在一些实施例中，第一衣架部分包括用于在安装之后选择性地拆卸盘和第二衣架部件以允许清洁和维护的机构。 一些实施例包括用于附加强度的交叉支撑。

公开(公告)号：US06515839B1

公开(公告)日：2003-02-04

申请号：US08828246

申请日：1997-03-31

申请人： Hoang P. Nguyen ,  John D. Walker

发明人： Hoang P. Nguyen ,  John D. Walker

IPC分类号： H02H320

CPC分类号： H01L27/0259 ,  H01L27/0251 ,  H01L27/0255 ,  H01L27/0266

摘要： An ESD protection system that makes use of several different types of over-voltage protection devices provides ESD conduction paths between different power lines. For example, the system may employ shunt diodes between the ground lines of the different power supplies and between IC pads and power supply lines; SCR protection between IC pads and ground; and thick field device protection between different power supply VDD lines. In this way, a conduction path for an ESD event between two circuit elements may be implemented using the device whose switching characteristics are best suited to that application.

摘要翻译： 使用几种不同类型的过电压保护装置的ESD保护系统提供不同电源线之间的ESD导电路径。 例如，该系统可以在不同电源的接地线之间以及IC垫和电源线之间使用分流二极管; IC垫与地之间的SCR保护; 和不同电源VDD线之间的现场设备保护。 以这种方式，可以使用其开关特性最适合于该应用的器件来实现两个电路元件之间的ESD事件的导通路径。

公开(公告)号：US06312405B1

公开(公告)日：2001-11-06

申请号：US09241582

申请日：1999-02-02

申请人： Ralph Meyer ,  John D. Walker ,  Paul Volpini ,  Michael J. Magliochetti

发明人： Ralph Meyer ,  John D. Walker ,  Paul Volpini ,  Michael J. Magliochetti

IPC分类号： A61M2900

CPC分类号： A61M25/10185 ,  A61B17/12099 ,  A61B17/12136 ,  A61B2017/00898 ,  A61B2017/1205 ,  A61M25/10 ,  A61M25/104 ,  A61M2025/1054

摘要： A detachable balloon system includes an inflatable balloon with a self-sealing valve. The balloon has an elastomeric membrane and a proximal opening. The self-sealing valve is made up of a valve body for receiving an inflation instrument to inflate the balloon. The valve body is preferably formed of a biocompatible elastomeric material and includes a base portion and a sealing portion. The base portion is bonded to the elastomeric membrane so as to seal the proximal opening of the balloon. The sealing portion is located within the balloon and extends distally from the base into the balloon. The sealing portion is compressibly sealable in response to a pressure within the balloon following inflation of the balloon and removal of the inflation instrument. A balloon dispenser for housing a balloon prior to receipt of an inflation instrument is also described.

摘要翻译： 可拆卸球囊系统包括具有自密封阀的可充气球囊。 气囊具有弹性膜和近端开口。 自密封阀由用于接收膨胀仪器以使气囊膨胀的阀体构成。 阀体优选地由生物相容的弹性体材料形成，并且包括基部和密封部分。 底部部分粘合到弹性体膜上以密封气囊的近端开口。 密封部分位于气囊内并从基部向远侧延伸到球囊中。 密封部分可以在球囊膨胀之后响应气囊内的压力而被压缩地密封并且去除膨胀仪器。 还描述了在接收膨胀仪器之前用于容纳气球的气球分配器。