公开(公告)号：US20110089977A1

公开(公告)日：2011-04-21

申请号：US12729066

申请日：2010-03-22

申请人： Bradford Lawrence Hunter ,  Wallace Edward Matthews

发明人： Bradford Lawrence Hunter ,  Wallace Edward Matthews

IPC分类号： H03K5/22

CPC分类号： H03K5/24

摘要： The disclosed systems and methods of low offset switched capacitor comparator reduce settling errors. The system operates in two major phases. During a first phase, the input voltage is sampled on the input capacitors and a differential amplifier is configured in a unity gain configuration to sample the amplifier offset. During the second phase, the input voltage difference is amplified at the output of the comparator. The amplifier transient sampling error is reduced by shorting the outputs of the differential amplifier for a shorting period at the start of the second phase. A clocked comparator at the output of the differential amplifier provides a fast comparison using internal positive feedback. The differential amplifier should have developed sufficient differential output voltage to overcome the offset of the clocked comparator.

摘要翻译： 所公开的低失调开关电容器比较器的系统和方法减少了建立误差。 该系统分两大步骤。 在第一阶段期间，输入电压在输入电容器上进行采样，差分放大器配置为单位增益配置以对放大器偏移进行采样。 在第二阶段期间，输入电压差在比较器的输出端被放大。 通过在第二阶段开始时短路差分放大器的短路时段的输出来减小放大器瞬态采样误差。 差分放大器的输出端的时钟比较器提供了使用内部正反馈的快速比较。 差分放大器应该已经开发出足够的差分输出电压来克服时钟比较器的偏移。

公开(公告)号：US06577135B1

公开(公告)日：2003-06-10

申请号：US10119385

申请日：2002-04-09

申请人： Wallace Edward Matthews ,  David Louis Freeman ,  John Edward Landau

发明人： Wallace Edward Matthews ,  David Louis Freeman ,  John Edward Landau

IPC分类号： G01N27416

CPC分类号： G01R19/0092 ,  G01R19/16542 ,  G01R31/3613 ,  G01R31/362 ,  G01R31/3655 ,  G01R31/3675 ,  H01M10/425 ,  H01M10/44 ,  H01M10/48 ,  H02J7/0004 ,  H02J7/0011 ,  H02J7/008

摘要： A battery detect circuit (32) is provided that is operable to dispose a sense resistor (50) in series with the battery to determine whether the charge is being provided to the battery or being extracted from the battery. The voltage across the sensor resistor (50) is sensed by a voltage/frequency converter (52). The voltage/frequency converter (52) is a differential structure comprised of two integrator structures (102) and (104) that are operable to utilize a switched capacitor configuration to drive comparators on the output thereof. Each of the integrator structures (102) and (104) has associated therewith passive elements and active elements. The integrators (102) and (104) have associated therewith integration capacitors (147) and (149). Additionally, there are two operational amplifiers (143) and (145) that provide the active components of each of the integrators (102) and (104). The various switched capacitor circuits (161) and (163) associated with the amplifiers (143) and (145) are provided to provide the integration operation. Both the amplifiers (143) and (145) and their associated switched capacitor circuits (161) and (163) are dynamically balanced such that they are switched between integrator (102) and integrator (104) on a periodic basis. This therefore allows the errors between the active and passive elements to be switched between the two integrators (102) and (104) such that no accumulative error occurs.

摘要翻译： 提供了一种电池检测电路（32），其可操作以配置与电池串联的检测电阻器（50），以确定电池是提供给电池还是从电池中提取。 传感器电阻（50）两端的电压由电压/频率转换器（52）感测。 电压/频率转换器（52）是由两个积分器结构（102）和（104）组成的差分结构，其可操作以利用开关电容器配置来驱动其输出上的比较器。 积分器结构（102）和（104）中的每一个都与无源元件和有源元件相关联。 积分器（102）和（104）具有与其集成电容器（147）和（149）相关联。 另外，有两个运算放大器（143）和（145）提供每个积分器（102）和（104）的有源分量。 提供与放大器（143）和（145）相关联的各种开关电容器电路（161）和（163）以提供集成操作。 放大器（143）和（145）及其相关联的开关电容器电路（161）和（163）都被动态平衡，使得它们在周期性的基础上在积分器（102）和积分器（104）之间切换。 因此，允许有源和无源元件之间的错误在两个积分器（102）和（104）之间切换，使得不发生累积误差。

公开(公告)号：US06369576B1

公开(公告)日：2002-04-09

申请号：US08794727

申请日：1997-02-03

申请人： Wallace Edward Matthews ,  David Louis Freeman ,  John Edward Landau

发明人： Wallace Edward Matthews ,  David Louis Freeman ,  John Edward Landau

IPC分类号： G01N27416

CPC分类号： G01R19/0092 ,  G01R19/16542 ,  G01R31/3613 ,  G01R31/362 ,  G01R31/3655 ,  G01R31/3675 ,  H01M10/425 ,  H01M10/44 ,  H01M10/48 ,  H02J7/0004 ,  H02J7/0011 ,  H02J7/008

摘要： A battery charging system is provided which is comprised of a battery pack (30) and a charging system (20). The battery pack (30) includes a battery (10) and a battery capacity detect circuit (32). The battery capacity detect circuit (32) having a memory is interfaced with the charging system (20) through a communication link to output a CHG-Bar signal. The battery capacity detect circuit (32) is operable to perform numerous monitoring operations on the battery by detecting the charge input to the battery and detecting charge taken away from the battery in a discharge operation. This operation is performed independent of the charging operation by the charging system (20). However, the charging operation of the charger (22) can be affected with the CHG-Bar signal.

摘要翻译： 提供由电池组（30）和充电系统（20）组成的电池充电系统。 电池组（30）包括电池（10）和电池容量检测电路（32）。 具有存储器的电池容量检测电路（32）通过通信链路与充电系统（20）接口，以输出CHG-Bar信号。 电池容量检测电路（32）可操作以通过检测输入到电池的电荷并且在放电操作中检测从电池取走的电荷来对电池执行大量监视操作。 执行该操作，而与充电系统（20）的充电操作无关。 然而，充电器（22）的充电操作可能受到CHG-Bar信号的影响。

公开(公告)号：US1783193A

公开(公告)日：1930-12-02

申请号：US26474728

申请日：1928-03-26

申请人： EDWARD MATTHEWS

发明人： EDWARD MATTHEWS

IPC分类号： F16F1/22

CPC分类号： F16F1/22

公开(公告)号：US1466136A

公开(公告)日：1923-08-28

申请号：US55227122

申请日：1922-04-13

申请人： EDWARD MATTHEWS

发明人： EDWARD MATTHEWS

IPC分类号： B25B13/28

CPC分类号： B25B13/28

公开(公告)号：US5965997A

公开(公告)日：1999-10-12

申请号：US915019

申请日：1997-08-20

申请人： Milad Alwardi ,  Wallace Edward Matthews ,  Dave Heacock ,  David Louis Freeman

发明人： Milad Alwardi ,  Wallace Edward Matthews ,  Dave Heacock ,  David Louis Freeman

IPC分类号： G01R31/36 ,  H01M10/46 ,  H01M10/44

CPC分类号： G01R31/3606 ,  G01R31/3655 ,  G01R31/362

摘要： A battery charge/discharge monitor circuit (10) is operable to be disposed in a battery pack (12) which can be connected to a battery (13). The monitor circuit (10) is operable to be connected to an external CPU (24) or similar system through a single wire communication port (22) for transferring information back and forth. There is also provided an external signal on a line (30) for indicating charge or discharge activity in the monitor circuit (10). The monitor circuit (10) is operable to collect information regarding the amount of charge input to the battery and the length of time that the charge is input to the battery and also the amount of charge that is removed from the battery and the length of time that the charge is removed. This information is stored in a memory block (62) for later access by the external CPU (24). This system also provides offset information to provide some type of compensation for non-linearities of the part. This offset is determined during a calibration operation which operates over a long period of time during a period of inactivity. Regulation circuitry is operable to provide internal regulation to the circuitry with an external JFET (20).

摘要翻译： 电池充电/放电监视电路（10）可操作地布置在可连接到电池（13）的电池组（12）中。 监视器电路（10）可操作以通过用于传送信息的单线通信端口（22）连接到外部CPU（24）或类似系统。 还在线路（30）上提供用于指示监视电路（10）中的充电或放电活动的外部信号。 监视器电路（10）可操作以收集关于输入到电池的电荷量的信息和电池输入到电池的时间长度以及从电池中取出的电荷量以及时间长度 电费被取消。 该信息被存储在存储器块（62）中，以供外部CPU（24）稍后访问。 该系统还提供偏移信息，为零件的非线性提供某种类型的补偿。 在偏移期间长时间运行的校准操作期间确定该偏移。 调节电路可操作以通过外部JFET（20）向电路提供内部调节。

公开(公告)号：US5647954A

公开(公告)日：1997-07-15

申请号：US290891

申请日：1994-10-20

申请人： Brian Edward Matthews

发明人： Brian Edward Matthews

IPC分类号： H01L21/306 ,  H01L21/308 ,  H01L21/465 ,  H01L21/467 ,  H01L31/10 ,  H01L21/00

CPC分类号： H01L21/3083 ,  H01L21/465 ,  H01L21/467 ,  Y10S438/977

摘要： A narrow and deep aperture is chemically etched in or through a body of, for example, cadmium mercury telluride or other infrared sensitive material. The etchant is constrained and etches faster adjacent to side walls of a mask on the body. Those side walls are sufficiently close to each other than the faster etching areas overlap. Apertures or slots having a width of about 7 um may be etched in this manner through a thickness of about 5 um via windows having a width of about 3 um in a photo resist of a thickness between 4 and 5 um.

摘要翻译： PCT No.PCT / GB93 / 00393 Sec。 371日期：1994年10月20日 102（e）日期1994年10月20日PCT 1993年2月25日PCT公布。 公开号WO93 / 17454 日期1993年9月2日一个狭窄的深孔被化学蚀刻在例如碲化汞镉或其他红外敏感材料的体内或通过其中。 蚀刻剂被约束并且在身体上的掩模的侧壁附近更快地蚀刻。 这些侧壁彼此相比足够紧密，因为较快的蚀刻区域重叠。 具有约7μm的宽度的孔或狭缝可以通过厚度为约5μm的厚度通过具有约3μm的宽度的窗口在厚度为4至5微米的光致抗蚀剂中蚀刻。

公开(公告)号：US1936727A

公开(公告)日：1933-11-28

申请号：US59911232

申请日：1932-03-16

申请人： EDWARD MATTHEWS

发明人： EDWARD MATTHEWS

IPC分类号： A47L13/31

CPC分类号： A47L13/31

公开(公告)号：US1405309A

公开(公告)日：1922-01-31

申请号：US48558621

申请日：1921-07-18

申请人： EDWARD MATTHEWS ANDREW

发明人： EDWARD MATTHEWS ANDREW

IPC分类号： B60N3/02

CPC分类号： B60N3/02

公开(公告)号：US20100047004A1

公开(公告)日：2010-02-25

申请号：US10706315

申请日：2003-11-11

申请人： Vincent Bedhome ,  Kenneth R. Cooper ,  David Anthony Edgerley ,  Douglas Hungerford ,  Didier Lange ,  Robert Edward Matthews ,  Franck Rolion ,  Anthony Wlodarczyk

发明人： Vincent Bedhome ,  Kenneth R. Cooper ,  David Anthony Edgerley ,  Douglas Hungerford ,  Didier Lange ,  Robert Edward Matthews ,  Franck Rolion ,  Anthony Wlodarczyk

IPC分类号： B05C1/00 ,  B43K27/02 ,  A47L13/12 ,  B43K5/02

CPC分类号： B43L19/0018 ,  B43K1/006 ,  B43K5/005 ,  B43K5/14 ,  B43K7/005 ,  B43K8/003 ,  B43K8/02 ,  B43K8/03 ,  B43K21/006 ,  B43K23/08 ,  B43K23/126 ,  B43K24/14 ,  B43K24/16 ,  B43K25/022 ,  B43K27/02 ,  B43K27/08 ,  B43K29/05 ,  B43L19/0081 ,  B43M11/06

摘要： A writing instrument, which has an inner and outer writing element with separate writing medium reservoirs. The writing elements are coaxially mounted in an outer barrel and axially moveable with respect to one another. A driving mechanism may be actuated to allow a user to selectively extend one writing element. The inner and outer writing elements may have an inner sleeve therebetween to improve, for instance, rigidity of the outer writing element and to prevent contamination of the writing medium reservoirs. An outer sleeve may also be provided over the outer writing element. The outer sleeve can function to hold various components of the outer writing element together, and to allow for clean and easy refill of the outer writing element, especially when the outer writing element is a nib-type writing element with a filler-type reservoir. The writing instrument is designed so that a user can replace the inner and/or outer writing elements when their respective writing medium have been expended.

摘要翻译： 一种书写工具，其具有内部和外部书写元素，具有单独的书写介质储存器。 书写元件同轴地安装在外筒中并可相对于彼此轴向移动。 可以启动驱动机构以允许用户选择性地延伸一个书写元件。 内部和外部书写元件可以在其间具有内部套筒以改善例如外部书写元件的刚度并且防止书写介质储存器的污染。 也可以在外部书写元件上设置外部套筒。 外套筒可用于将外部书写元件的各种部件保持在一起，并且允许外部书写元件的清洁和容易的再填充，特别是当外部书写元件是具有填充型储存器的笔尖型写入元件时。 书写工具被设计成使得用户可以在其各自的书写介质已经消耗时替换内部和/或外部书写元件。