公开(公告)号：US5648913A

公开(公告)日：1997-07-15

申请号：US383647

申请日：1995-02-06

申请人： David Wayne Bennett ,  Eric Ford Dellinger ,  Walter A. Manaker, Jr. ,  Carl M. Stern ,  William R. Troxel ,  Jay Thomas Young

发明人： David Wayne Bennett ,  Eric Ford Dellinger ,  Walter A. Manaker, Jr. ,  Carl M. Stern ,  William R. Troxel ,  Jay Thomas Young

IPC分类号： G06F17/50

CPC分类号： G06F17/5031 ,  G06F17/5054 ,  G06F17/5072 ,  G06F17/5077

摘要： A device independent, frequency driven layout system and method for field programmable gate arrays ("FPGA") which allow for a circuit designer to specify the desired operating frequencies of clock signals in a given design to the automatic layout system to generate, if possible, a physical FPGA layout which will allow the targeted FPGA device to operate at the specified frequencies. Actual net, path and skew requirements are automatically generated and fed to the place and route tools. The system and method of the present invention evaluates the frequency constraints, determines what delay ranges are acceptable for each electrical connection and targets those ranges throughout the layout.

摘要翻译： 一种用于现场可编程门阵列（“FPGA”）的装置独立的频率驱动布局系统和方法，其允许电路设计者在给定设计中将时钟信号的期望工作频率指定给自动布局系统， 物理FPGA布局，允许目标FPGA器件在指定频率下工作。 自动生成实际的网络，路径和偏斜要求，并将其馈送到位置和路径工具。 本发明的系统和方法评估频率约束，确定每个电连接可接受的延迟范围并且在整个布局中针对这些范围。

公开(公告)号：US5659484A

公开(公告)日：1997-08-19

申请号：US434794

申请日：1995-05-04

申请人： David Wayne Bennett ,  Eric Ford Dellinger ,  Walter A. Manaker, Jr. ,  Carl M. Stern ,  William R. Troxel ,  Jay Thomas Young

发明人： David Wayne Bennett ,  Eric Ford Dellinger ,  Walter A. Manaker, Jr. ,  Carl M. Stern ,  William R. Troxel ,  Jay Thomas Young

IPC分类号： G06F17/50

CPC分类号： G06F17/5031 ,  G06F17/5054 ,  G06F17/5072 ,  G06F17/5077

摘要： A device independent, frequency driven layout system and method for field programmable gate arrays ("FPGA") which allow for a circuit designer to specify the desired operating frequencies of clock signals in a given design to the automatic layout system to generate, if possible, a physical FPGA layout which will allow the targeted FPGA device to operate at the specified frequencies. Actual net, path and skew requirements are automatically generated and fed to the place and route tools. The system and method of the present invention evaluates the frequency constraints, determines what delay ranges are acceptable for each electrical connection and targets those ranges throughout the layout.

摘要翻译： 一种用于现场可编程门阵列（“FPGA”）的装置独立的频率驱动布局系统和方法，其允许电路设计者在给定设计中将时钟信号的期望工作频率指定给自动布局系统， 物理FPGA布局，允许目标FPGA器件在指定频率下工作。 自动生成实际的网络，路径和偏斜要求，并将其馈送到位置和路径工具。 本发明的系统和方法评估频率约束，确定每个电连接可接受的延迟范围并且在整个布局中针对这些范围。

公开(公告)号：US07516437B1

公开(公告)日：2009-04-07

申请号：US11490670

申请日：2006-07-20

申请人： Parivallal Kannan ,  Carl M. Stern

发明人： Parivallal Kannan ,  Carl M. Stern

IPC分类号： G06F17/50

CPC分类号： G06F17/5077

摘要： A method of generating a low-skew network for a circuit design can include routing connections between a source and a plurality of loads of the network, determining a delay for at least one routed connection, and accepting the routed connections if the delay of each routed connection is within a skew tolerance range.

摘要翻译： 生成用于电路设计的低偏移网络的方法可以包括在网络的源和多个负载之间路由连接，确定至少一个路由连接的延迟，以及如果每个路由的延迟 连接处于偏斜公差范围内。

公开(公告)号：US5232449A

公开(公告)日：1993-08-03

申请号：US875906

申请日：1992-04-29

申请人： Carl M. Stern ,  Edward Rosen ,  James M. Wittes

发明人： Carl M. Stern ,  Edward Rosen ,  James M. Wittes

IPC分类号： A61M5/142 ,  A61M5/145

CPC分类号： A61M5/1456 ,  A61M2005/14573 ,  Y10S128/01 ,  Y10S128/12

摘要： A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an antisiphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for locking a syringe in place is also provided. The syringe clamp is spring-loaded and lockable. A syringe position detector is provided to ensure the proper placement of the syringe prior to and during pumping. A control knob is provided on the face of the pump for controlling both the locking of the syringe barrel clamp and the coupling of the drive belt with a d.c. motor. The pump includes a housing having an elongated slot through which the syringe pusher is connected to the drive belt. A sealing band is connected to the syringe pusher and is moveable with the syringe pusher for sealing the slot against moisture or other contaminants. A pole clamp assembly is incorporated within the pump housing and includes a clamping arm for securing the pole between the clamping arm and the housing. The clamping arm is movable to a storage position where it is substantially flush with the outer surface of the pump housing.

公开(公告)号：US07044892B2

公开(公告)日：2006-05-16

申请号：US10116063

申请日：2002-04-05

申请人： Carl M. Stern ,  Andrew M. Weiman ,  Timothy J. Snyder ,  Brian S. Kelly

发明人： Carl M. Stern ,  Andrew M. Weiman ,  Timothy J. Snyder ,  Brian S. Kelly

IPC分类号： A63B26/00

CPC分类号： A47D15/00 ,  A47D3/005 ,  A63B21/023

摘要： A child activity device for entertaining and promoting activity in a child is disclosed. The child activity device is configurable between a use and storage position and may also include a frame providing bouncing motion for a child. The activity device includes a support frame extending vertically upwards from a lower end proximate to a support surface and terminating at an upper end, a supporting portion, and may further include a seat, coupled to the supporting portion, that is rotatable about a first axis relative to the support frame to allow a child placed in the seat to rotate about the first axis. A coupling assembly is also disclosed. The coupling assembly secures the supporting portion to the support frame upper end and permits rotation of the supporting portion about a second axis for configuring the seat and supporting portion in a storage position. An activity device with foldable support legs is also disclosed. The support legs to base structure connection may further include a mechanism for providing bouncing motion for entertaining the child.

公开(公告)号：US5261884A

公开(公告)日：1993-11-16

申请号：US875895

申请日：1992-04-29

申请人： Carl M. Stern ,  James M. Wittes

发明人： Carl M. Stern ,  James M. Wittes

IPC分类号： A61M5/142 ,  A61M5/145 ,  A61M37/00

CPC分类号： A61M5/1456 ,  A61M2005/14573 ,  A61M2205/6036 ,  A61M5/1458 ,  Y10S128/01

摘要： A belt driven infusion pump for emptying the contents of a syringe is disclosed. The pump includes a syringe pusher including an antisiphon catch and a pressure detector which is used for detecting occlusions or the end of infusion. A syringe clamp for locking a syringe in place is also provided. The syringe clamp is spring-loaded and lockable. A syringe position detector is provided to ensure the proper placement of the syringe prior to and during pumping. A control knob is provided on the face of the pump for controlling both the locking of the syringe barrel clamp and the coupling of the drive belt with a d.c. motor. The pump includes a housing having an elongated slot through which the syringe pusher is connected to the drive belt. A sealing band is connected to the syringe pusher and is moveable with the syringe pusher for sealing the slot against moisture or other contaminants. A pole clamp assembly is incorporated within the pump housing and includes a clamping arm for securing the pole between the clamping arm and the housing. The clamping arm is movable to a storage position where it is substantially flush with the outer surface of the pump housing.

公开(公告)号：US4968071A

公开(公告)日：1990-11-06

申请号：US326178

申请日：1989-03-17

申请人： Carl M. Stern

发明人： Carl M. Stern

IPC分类号： E06B9/04

CPC分类号： E06B9/04 ,  E06B2009/002 ,  Y10S292/37 ,  Y10T292/1028 ,  Y10T292/57 ,  Y10T74/20244

摘要： A security gate includes an installation and release mechanism that is operable with one hand. The gate comprises two panels which are extendible with respect to each other and lockable in the extended position. This makes it possible for the gate to expand across a wide variety of door openings. A handle located centrally on the top of the gate is connected by a pair of cranks and a pull rod to a pair of plungers which contact one side of the door frame. Spring bias on the plungers normally force the plungers into contact with the door frame. Slots in the upper and lower plunger links permit the plungers to accommodate irregular door frames. The handle is employed to withdraw the plungers from contact with the door frames and, conversely, the absence of handle pressure causes the gate to position itself solidly against the vertical door jamb. The handle is also employed by the operator to carry and position the gate in the doorway, allowing one-handed operation. A thumb operable handle interlock system prevents the handle from being accidentally manipulated unless one of two release interlock buttons is depressed by the thumb of the user. Also, the two extended panels are held in position by a second safety interlock which prevents a pair of extension adjustment knobs from rotating unless the extension interlock is released.

摘要翻译： 安全门包括一只手可操作的安装和释放机构。 门包括两个相对于彼此可延伸并可在伸出位置锁定的面板。 这使得门能够跨越各种门开口扩展。 位于门顶部中央的手柄通过一对曲柄和拉杆连接到与框架的一侧接触的一对柱塞上。 柱塞上的弹簧偏压通常会迫使柱塞与门框接触。 上下柱塞连接件中的插槽允许柱塞适应不规则的门框。 手柄用于将柱塞从与门框接触的位置撤回，相反地，没有手柄压力导致门将其自身固定地靠在垂直门侧柱上。 操作人员还可以使用手柄，将门在门口进行定位，允许单手操作。 拇指可操作手柄互锁系统防止手柄被意外地操纵，除非用户的拇指按下两个释放互锁按钮之一。 而且，两个延伸面板通过第二安全联锁装置保持就位，防止一对延伸调节旋钮旋转，除非延伸互锁被释放。

公开(公告)号：US08633730B1

公开(公告)日：2014-01-21

申请号：US13588435

申请日：2012-08-17

申请人： Chen W. Tseng ,  Weiguang Lu ,  William W. Stiehl ,  Robert M. Balzli, Jr. ,  Carl M. Stern ,  Aditya Chaubal ,  Derrick S. Woods

发明人： Chen W. Tseng ,  Weiguang Lu ,  William W. Stiehl ,  Robert M. Balzli, Jr. ,  Carl M. Stern ,  Aditya Chaubal ,  Derrick S. Woods

IPC分类号： H03K19/173 ,  H03K19/177 ,  G06F1/24 ,  G06F17/50

CPC分类号： H03K19/17768 ,  G06F1/24 ,  G06F1/3287 ,  H03K19/17708 ,  Y02D10/171 ,  Y02D50/20

摘要： When a first sub-circuit of a programmable integrated circuit (“IC”) is to be deactivated, a global write enable (GWE) signal is deasserted. In response to deassertion of the GWE signal and a first memory cell associated with the first sub-circuit being in a first state, flip-flops in the first sub-circuit are disabled from changing state. In response to memory cells associated with sub-circuits other than the first sub-circuit being in a second state, flip-flops in the other sub-circuits are enabled to change state. When the first sub-circuit is to be activated, the GWE signal is asserted. Logic implemented by the first sub-circuit is preserved between the deasserting and the asserting of the GWE signal. In response to assertion of the GWE signal and the first memory cell associated with the first sub-circuit being in the first state, flip-flops in the first sub-circuit are enabled to change state.

摘要翻译： 当可编程集成电路（“IC”）的第一子电路要被去激活时，全局写使能（GWE）信号被断言。 响应于GWE信号的取消取消和与第一子电路处于第一状态相关联的第一存储单元，第一子电路中的触发器被禁止改变状态。 响应于与第一子电路以外的子电路相关联的存储器单元处于第二状态，其他子电路中的触发器能够改变状态。 当第一个子电路被激活时，GWE信号被断言。 由第一子电路实现的逻辑在GWE信号的解除和断言之间得以保留。 响应于GWE信号的断言和与第一子电路处于第一状态相关联的第一存储单元，第一子电路中的触发器能够改变状态。

公开(公告)号：US06425842B1

公开(公告)日：2002-07-30

申请号：US09654917

申请日：2000-09-05

申请人： Carl M. Stern ,  Andrew M. Weiman ,  Timothy J. Snyder ,  Brian S. Kelly

发明人： Carl M. Stern ,  Andrew M. Weiman ,  Timothy J. Snyder ,  Brian S. Kelly

IPC分类号： A63B900

CPC分类号： A47D15/00 ,  A47D3/005 ,  A63B21/023

摘要： A child activity device for entertaining and promoting activity in a child is disclosed. The child activity device is configurable between a use and storage position and may also include a frame providing bouncing motion for a child. The activity device includes a support frame extending vertically upwards from a lower end proximate to a support surface and terminating at an upper end, a supporting portion, and may further include a seat, coupled to the supporting portion, that is rotatable about a first axis relative to the support frame to allow a child placed in the seat to rotate about the first axis. A coupling assembly is also disclosed. The coupling assembly secures the supporting portion to the support frame upper end and permits rotation of the supporting portion about a second axis for configuring the seat and supporting portion in a storage position. An activity device with foldable support legs is also disclosed. The support legs to base structure connection may further include a mechanism for providing bouncing motion for entertaining the child.

公开(公告)号：US5803817A

公开(公告)日：1998-09-08

申请号：US698371

申请日：1996-08-15

申请人： Carl M. Stern

发明人： Carl M. Stern

IPC分类号： A47D1/10 ,  A47D13/10 ,  A63G9/00

CPC分类号： A47D13/105 ,  A47D1/10

摘要： An infant's swing is disclosed that has a frame, a swing arm, and a seat releasably mounted on the swing arm by a seat-to-frame coupler assembly that includes a pivot plate mounted to the back of the seat and a T-shaped connector mounted to the lower end of the swing arm. The connector is received in a mating cavity formed in the rear surface of the pivot plate, and the connector is engaged with the cavity by cooperation of slots in the cavity and posts on the connector. The pivot plate is pivotally mounted to the seat to permit the seat to pivot between a recline position and an upright position.

摘要翻译： 公开了一种婴儿秋千，其具有框架，摆臂和通过座对框架联接器组件可释放地安装在摆臂上的座椅，该座椅对框架联接器组件包括安装到座椅后部的枢轴板和T形连接器 安装在摆臂的下端。 连接器被容纳在形成在枢转板的后表面中的配合腔中，并且连接器通过腔中的槽的配合与腔体接合并且在连接器上固定。 枢转板枢转地安装到座椅上，以允许座椅在倾斜位置和直立位置之间枢转。