公开(公告)号：US5706221A

公开(公告)日：1998-01-06

申请号：US647613

申请日：1996-05-13

申请人： David L. Paulsen

发明人： David L. Paulsen

IPC分类号： G11B20/10 ,  H04L25/06 ,  G06G7/02

CPC分类号： H04L25/061 ,  G11B20/10009

摘要： A data filter consists of an electronic circuit with a delay and offset in a feedback loop to a reference input of a comparator to provide low frequency tracking of a binary-level data signal so digital information can be extracted at the output of the comparator by causing the reference input to track a relatively slowly-varying baseband neutral signal level. The delay is preferably implemented by a low-pass filter, providing additional noise immunity.

摘要翻译： 一个数据滤波器由电路构成，该电路具有反馈回路中延迟和偏移到比较器的参考输入端，以提供二进制电平数据信号的低频跟踪，从而可以在比较器的输出端提取数字信息， 参考输入跟踪相对缓慢变化的基带中性信号电平。 延迟优选由低通滤波器实现，提供额外的抗噪声能力。

公开(公告)号：US4573129A

公开(公告)日：1986-02-25

申请号：US645512

申请日：1984-08-27

申请人： David C. Tribolet ,  David L. Paulsen

发明人： David C. Tribolet ,  David L. Paulsen

IPC分类号： B43L13/02 ,  B41J3/04

CPC分类号： B43L13/024

摘要： A bi-directional pen plotter includes two pen stables and a pen holder located between the two pen stables for snatching a pen from either pen stable and for inserting a pen into either pen stable. There are four distinct stops to the motion of the pen holder at each pen stable depending on the four possible combinations of pen locations. Measuring the relative distances travelled by the pen holder in an initialization procedure the positions of all of the pens in the system may be determined uniquely.

摘要翻译： 双向笔式绘图仪包括两个笔马厩和一个位于两个笔架之间的笔架，用于从笔稳定的笔中抓取笔，并将笔插入笔中。 根据笔位置的四种可能的组合，每个笔的笔架的运动有四个不同的停止点。 在初始化程序中测量笔架行进的相对距离，可以唯一地确定系统中所有笔的位置。

公开(公告)号：US06999441B2

公开(公告)日：2006-02-14

申请号：US09894843

申请日：2001-06-27

申请人： George H. Flammer, III ,  David L. Paulsen ,  Michael W. Ritter

发明人： George H. Flammer, III ,  David L. Paulsen ,  Michael W. Ritter

IPC分类号： H04J3/00

CPC分类号： H04W74/06 ,  H04W28/08 ,  H04W72/12

摘要： In a mesh communication network, a poll request protocol (PRP) is provided in which a special packet is broadcast by the congested node when it is ready to provide services. The controlling node (usually the more congested node) broadcasts a packet to request poll signals from nodes desiring resources of the controlling node. The contending nodes then have equal chances to request the services of the controlling node by sending poll signals. The controlling node can then arbitrate the requests, determine the most fair and efficient use of its resources, and broadcast a scheduling packet to inform the contending nodes when to inform the contending nodes of controlling node scheduling. The contending nodes then send their packets to the controlling node without lost packets caused by congestion collisions. The controlling node can then send data to the contending nodes also without lost packets.

公开(公告)号：US5515369A

公开(公告)日：1996-05-07

申请号：US265096

申请日：1994-06-24

申请人： George H. Flammer, III ,  Brett D. Galloway ,  David L. Paulsen

发明人： George H. Flammer, III ,  Brett D. Galloway ,  David L. Paulsen

IPC分类号： H04B1/7143 ,  H04B1/715 ,  H04B1/7156 ,  H04L12/28 ,  H04J1/14

CPC分类号： H04B1/7143 ,  H04B1/715 ,  H04B2001/7154 ,  H04B2001/71563 ,  H04W48/08 ,  H04W72/044 ,  H04W76/02

摘要： In a wireless packet communication system having a plurality of nodes, each having a transmitter and a receiver, the receiver at each node is assigned a seed value and is provided with a channel punchout mask. A node uses its seed value and punchout mask to generate a specific randomly ordered channel hopping band plan on which to receive signals. A node transmits its seed value and punchout mask to target nodes with which it wants to establish communication links, and those target nodes each use the seed value and punchout mask to generate the randomly ordered channel hopping band plan for that node. Subsequently, when one of the target nodes wish to transmit to the node, the target node changes frequency to the frequency of the node according to that node's band plan.

摘要翻译： 在具有多个节点的无线分组通信系统中，每个节点具有发射机和接收机，每个节点处的接收机被分配一个种子值，并且被提供有无通道的通道。 节点使用其种子值和无掩码来生成用于接收信号的特定的随机排序的信道跳频计划。 节点向其要建立通信链路的目标节点发送其种子值和掩码，每个目标节点使用种子值和掩码来生成该节点的随机排序的信道跳频计划。 随后，当目标节点中的一个希望向节点发送时，目标节点根据该节点的频带规划将频率改变为节点的频率。

公开(公告)号：US5664194A

公开(公告)日：1997-09-02

申请号：US566877

申请日：1995-12-04

申请人： David L. Paulsen

发明人： David L. Paulsen

IPC分类号： G06F9/445 ,  G06F9/06

CPC分类号： G06F9/4401

摘要： In a computer-driven device, a start-up mode after reset is provided whereby boot-up instructions are by default always accepted directly from an external source. The device may comprise a gate array (GA) which is connected directly via a serial port to a receiving or input device, to receive program code for transfer directly as instructions to a microprocessor-type central processing unit. The central processing unit is part of a computer controlled device containing a microprocessor, memory (a RAM), and typically a bulk erase flash memory device, the flash memory device being unprogrammed when the computer controlled device is fabricated originally. When the computer controlled device first powers up, a special mode of operation ensues in which the gate array directly monitor bits received via the serial port from the input device and shifts them into a local register from which bytes or words are loaded directly into the CPU as instructions. A boot sequence is thereby accepted in this manner to load random access memory of the free-running CPU which thereafter can control transfer of additional executable code or load a permanent boot sequence into bulk erase (nonvolatile) flash memory. The invention can be incorporated into a wireless modem/packet terminal node controller. The input device may be a coupling to an external computer system, typically a serial input.

摘要翻译： 在计算机驱动的设备中，提供复位后的启动模式，其中启动指令默认情况下始终直接从外部源接受。 该装置可以包括通过串行端口直接连接到接收或输入装置的门阵列（GA），以接收直接作为指令传送到微处理器型中央处理单元的程序代码。 中央处理单元是包含微处理器，存储器（RAM）和通常为大容量擦除闪存器件的计算机控制设备的一部分，当最初制造计算机控制的设备时，闪存器件未被编程。 当计算机控制的设备首次上电时，特别的操作模式是门阵列直接监视从输入设备通过串行端口接收到的位，并将它们移入本地寄存器，从该寄存器将字节或字直接加载到CPU 作为说明。 因此，以这种方式接受引导序列以加载自由运行的CPU的随机存取存储器，其随后可以控制附加可执行代码的传送或将永久引导序列加载到批量擦除（非易失性）闪存中。 本发明可以并入到无线调制解调器/分组终端节点控制器中。 输入设备可以是与外部计算机系统的耦合，通常是串行输入。