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1. 再颁专利

USRE31051E Regulator for controlling capacitor charge to provide complex waveform 失效
标题翻译：用于控制电容器电荷以提供复杂波形的稳压器
公开(公告)号：USRE31051E
公开(公告)日：1982-10-05
申请号：US566868
申请日：1975-04-10
申请人： William F. Davis , Howard G. Shumway , Thomas M. Frederiksen
发明人： William F. Davis , Howard G. Shumway , Thomas M. Frederiksen
IPC分类号： F02D41/32 , G06G7/28 , H03K4/02
CPC分类号： H03K4/02 , F02D41/32 , G06G7/28
摘要： In fuel injection ignition systems, it is necessary to provide control of the open time of the fuel injector valves which varies with the engine speed. However, for efficient operation with a minimum of pollution, the relationship of valve open time to engine speed is not a simple relationship, and factors other than engine speed are involved. It has been found that the open time should change with engine speed by steps not directly related to engine speed. This can be accomplished by providing a waveform which varies with time across a capacitor by a regulator system which controls both increase and decrease of the voltage across the capacitor. This voltage waveform, which varies with time and is independent of engine speed, can then be combined with a ramp voltage initiated at a particular point of rotation of the engine at the time the injector valves are opened. The valves can then be turned off when the combined voltage has the desired relation to a voltage produced by manifold pressure to provide the required open time for the injector valves.

2. 发明授权

US4225854A High density analog-to-binary coded decimal converter 失效
标题翻译：高密度模数转二进制编码十进制转换器
公开(公告)号：US4225854A
公开(公告)日：1980-09-30
申请号：US836631
申请日：1977-09-26
申请人： William F. Davis , Howard G. Shumway
发明人： William F. Davis , Howard G. Shumway
IPC分类号： H03M1/00 , H03K13/02
CPC分类号： H03M1/361
摘要： The combination of integrated injection logic (I.sup.2 L) and linear circuitry permits fabrication of a highly dense analog-to-binary coded decimal (A-to-BCD) converter. The heart of the A-to-BCD converter is a linear-I.sup.2 L plurality of high density variable current sinks which are proportional to each other in combination with I.sup.2 L gating techniques. These variable current sinks, when used in combination with the I.sup.2 L constant current sources, current sensing means, and I.sup.2 L logic, provide a highly dense A-to-BCD converter.
摘要翻译：集成注入逻辑（I2L）和线性电路的组合允许制造高密度模数二进制编码十进制（A到BCD）转换器。 A至BCD转换器的核心是线性I2L多个高密度可变电流吸收器，它们与I2L门控技术相结合成彼此成比例。当与I2L恒流源，电流检测装置和I2L逻辑结合使用时，这些可变电流吸收器提供高密度的A到BCD转换器。

3. 再颁专利

USRE31391E Voltage and current regulator with automatic switchover 失效
标题翻译：电压和电流调节器，具有自动切换功能
公开(公告)号：USRE31391E
公开(公告)日：1983-09-20
申请号：US649005
申请日：1976-01-14
申请人： William F. Davis , Ronald W. Russell , Thomas M. Frederiksen , Ernest L. Long
发明人： William F. Davis , Ronald W. Russell , Thomas M. Frederiksen , Ernest L. Long
IPC分类号： F02D41/20 , H01F7/18 , H03K17/64
CPC分类号： H03K17/64 , F02D41/20 , H01F7/1805 , F02D2041/2017 , F02D2041/2031 , F02D2041/2058
摘要： A system for energizing an inductive load includes a voltage regulator for providing a constant voltage across the load until the current builds up to a particular value, and a current regulator which then takes over to provide a constant holding current at a lower value. The voltage regulator may include a closed loop for holding the voltage across the inductive load constant or may respond to a regulated voltage value to control a power stage for providing a constant voltage. The voltage across a sensing resistor in the power stage controls the crossover from the voltage regulation mode, to the current regulation mode and the current regulator automatically resets the reference to control the power stage to provide a constant current of a lower value through the load. The system can be used to supply current to coils of injector valves in a fuel injection system, and may include two power stages for supplying current to two banks of coils. The regulator system is switched from one power stage to the other during successive 180.degree. rotary positions of the engine for both stages.

4. 发明授权

US5818388A Satellite communications apparatus using active redundancy 失效
标题翻译：使用主动冗余的卫星通信设备
公开(公告)号：US5818388A
公开(公告)日：1998-10-06
申请号：US659783
申请日：1996-06-06
申请人： Steven O. Lane , Bruce A. Tomei , William F. Davis
发明人： Steven O. Lane , Bruce A. Tomei , William F. Davis
IPC分类号： H04B7/204 , H01Q3/22
CPC分类号： H04B7/2041
摘要： An active redundancy system for high power satellite communications payloads that use multiple antenna beams driven by multiple power amplifiers and that require power redistribution among the beams during the lifetime of a payload uses a number of power amplifiers equal to or greater than the number of antenna feeder elements to provide extra output power at the beginning of life, instead of commonly used redundancy switches. As power amplifiers fail, the amplitude and phase of the signals driving the remaining power amplifiers are adjusted to maintain antenna performance. Power amplifiers having sufficient capacity are used to ensure that, given an anticipated number of power amplifier chain failures, performance requirements can be met at the end of life.
摘要翻译：一种用于大功率卫星通信有效载荷的主动冗余系统，其使用由多个功率放大器驱动的多个天线波束，并且在有效载荷的使用寿命期间需要在波束之间的功率再分配使用等于或大于天线馈线数量的多个功率放大器元件在寿命开始时提供额外的输出功率，而不是常用的冗余开关。随着功率放大器的失效，驱动剩余功率放大器的信号的振幅和相位被调整以保持天线的性能。使用具有足够容量的功率放大器来确保在预期数量的功率放大器链路故障时，可以在寿命结束时满足性能要求。

5. 发明授权

US4724397A Trimmable differential amplifier having a zero temperature coefficient offset voltage and method 失效
标题翻译：具有零温度系数偏移电压和方法的可调微分放大器
公开(公告)号：US4724397A
公开(公告)日：1988-02-09
申请号：US880391
申请日：1986-06-30
申请人： William F. Davis
发明人： William F. Davis
IPC分类号： H03F3/45
CPC分类号： H03F3/45479
摘要： A differential amplifier in which the offset voltage is adjustable and which has a zero temperature coefficient after being adjusted. The differential amplifier includes a pair of differentially connected transistors, a current mirror circuit coupled to the collectors of the pair of transistors for providing differential to single current conversion and a current source for supplying a thermal current to the interconnected emitters of the pair of transistors. The magnitude of the thermal current is proportional to absolute temperature and inversely proportional to a resistance of a given resistivity. Trimmable resistive elements are provided for adjusting any offset voltage appearing between the base electrodes of the pair of transistors to substantially zero volts with the adjusted offset voltage being temperature independent.
摘要翻译：差分放大器，其中偏移电压是可调节的，并且在调节之后具有零温度系数。差分放大器包括一对差分连接的晶体管，耦合到该对晶体管的集电极的电流镜电路，用于提供差分到单电流转换，以及用于向一对晶体管的互连的发射极提供热电流的电流源。热电流的大小与绝对温度成比例，与给定电阻率的电阻成反比。提供了可调电阻元件，用于将出现在该对晶体管的基极之间的任何偏移电压调节至基本为零伏特，并且所调整的偏移电压是温度无关的。

6. 发明授权

US4721921A Amplifier having improved gain/bandwidth product 失效
标题翻译：放大器具有改进的增益/带宽乘积
公开(公告)号：US4721921A
公开(公告)日：1988-01-26
申请号：US944048
申请日：1986-12-22
申请人： Robert L. Vyne , William F. Davis
发明人： Robert L. Vyne , William F. Davis
IPC分类号： H03F1/08 , H03F3/45
CPC分类号： H03F1/083
摘要： In an operational amplifier having an input stage of the type wherein first and second differentially coupled transistors cooperate with a current mirror circuit, an output transistor is provided having a compensation capacitor coupled between its collector and the input stage. The gain bandwidth product is enhanced by coupling a positive feedback device (e.g. a capacitor) between a collector of the output transistor and the collector of the first input transistor.
摘要翻译：在具有其中第一和第二差分耦合晶体管与电流镜像电路配合的类型的输入级的运算放大器中，提供输出晶体管，其具有耦合在其集电极和输入级之间的补偿电容器。通过将输出晶体管的集电极和第一输入晶体管的集电极之间的正反馈装置（例如电容器）耦合来增强增益带宽积。

7. 发明授权

US4625643A Ink dispensing means 失效
标题翻译：墨水分配装置
公开(公告)号：US4625643A
公开(公告)日：1986-12-02
申请号：US639212
申请日：1984-08-09
申请人： William F. Davis
发明人： William F. Davis
IPC分类号： B41F31/02 , B41F31/08
CPC分类号： B41F31/027
摘要： An anilox drum is provided with an ink applicator having a plenum chamber add flow control means. The applicator interfaces with the drum to form two orifices. Ink supplied under pressure to the applicator issues from the orifice to flush away boundary layer air and air in the ink cells; and the cells are filled with clean fresh ink. A doctor wipes the excess ink from the periphery of the drum and all excess ink is recirculated.
摘要翻译：网纹辊设置有具有增压室添加流量控制装置的油墨涂布器。涂抹器与鼓接触以形成两个孔。在压力下向喷嘴供应的油墨从孔口排出以冲洗墨水池中的边界层空气和空气; 并且细胞充满干净的新鲜墨水。医生从滚筒的周边擦拭多余的墨水，并且所有多余的墨水都被再循环。

8. 发明授权

US4305064A High density analog-to-digital converter 失效
标题翻译：高密度模数转换器
公开(公告)号：US4305064A
公开(公告)日：1981-12-08
申请号：US91432
申请日：1979-11-05
申请人： William F. Davis
发明人： William F. Davis
IPC分类号： H03M1/00 , H03K13/02
CPC分类号： H03M1/361
摘要： Combining integrated injection logic (I.sup.2 L) and linear circuitry permits fabrication of a highly dense analog-to-digital (A-to-D) converter. The heart of the A-to-D converter is a linear-I.sup.2 L plurality of high density variable current sources which are proportional to each other. These variable current sources, when used in combination with I.sup.2 L constant current sources and current sensing means, provide a highly compact A-to-D converter.
摘要翻译：集成注入逻辑（I2L）和线性电路的组合允许制造高密度模数（A到D）转换器。 A到D转换器的核心是线性I2L多个彼此成比例的高密度可变电流源。这些可变电流源与I2L恒流源和电流检测装置结合使用时，可提供高度紧凑的A / D转换器。

9. 发明授权

US4087109A Motorcycle frame and suspension and methods of making and using the same 失效
标题翻译：摩托车车架及悬架及制作及使用方法
公开(公告)号：US4087109A
公开(公告)日：1978-05-02
申请号：US770648
申请日：1977-02-22
申请人： William F. Davis
发明人： William F. Davis
IPC分类号： B62K11/02 , B62K25/28 , B62K25/10
CPC分类号： B62K25/283 , B62K11/02
摘要： A motorcycle frame and rear wheel suspension comprising a main frame in combination with a pivotally mounted and shock mounted rear frame and transition frame.
摘要翻译：一种摩托车车架和后轮悬架，其包括与枢转安装和防震安装的后框架和过渡框架组合的主框架。

10. 发明授权

US5315809A Stretch wrapping emergency stop 失效
标题翻译：拉伸包裹紧急停止
公开(公告)号：US5315809A
公开(公告)日：1994-05-31
申请号：US943235
申请日：1992-09-11
申请人： Yoram Gordon , John Fain , William F. Davis , William G. Lancaster
发明人： Yoram Gordon , John Fain , William F. Davis , William G. Lancaster
IPC分类号： B65B11/02 , B65B11/04 , B65B13/04
CPC分类号： B65B57/005 , B65B11/025 , B65B11/045 , B65B2210/20
摘要： A stretch wrapping machine includes a web dispenser and a rotatable support for providing relative rotation between the web dispenser and load to wrap a web of packaging material around the load. Cooperating engagement members are selectively and positively engageable with each other throughout the rotation of the rotatable support for stopping the rotation of the rotatable support when the engagement members are positively engaged and for permitting rotation of the rotatable support when the engagement members are disengaged. One of the engagement members is mounted on a rotatable support and the other is mounted on a fixed support. An actuator selectively engages engagement members. One engagement member preferably includes at least two stop units spaced at a distance less than the distance between the engageable formations of the other engagement member. A shock absorber is connected to one of the engagement members for decelerating the rotatable support when stopping the rotation of the rotatable support when the engagement members are engaged.
摘要翻译：拉伸包装机包括幅材分配器和可旋转支撑件，用于在幅材分配器和负载之间提供相对旋转以将包装材料卷绕在负载周围。合作接合构件在可旋转支撑件的整个旋转期间彼此选择性地和可靠地相互接合，用于当接合构件被正接合时停止可旋转支撑件的旋转，并且当接合构件脱开时允许旋转支撑件旋转。一个接合构件安装在可旋转的支撑件上，另一个安装在固定的支撑件上。致动器选择性地接合接合构件。一个接合构件优选地包括至少两个间隔开的距离小于两个接合构件的可接合构造之间的距离的止挡单元。当接合构件接合时，当停止可旋转支撑件的旋转时，减震器连接到一个接合构件，用于使可旋转支撑件减速。

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