公开(公告)号：WO1993007691A1

公开(公告)日：1993-04-15

申请号：PCT/US1992008610

申请日：1992-10-01

Applicant: NORAND CORPORATION ,  MEIER, Robert, C. ,  LUSE, Ronald, E.

Inventor： NORAND CORPORATION

IPC: H04J03/16

CPC classification number: G06F1/1626 ,  G06F15/0225 ,  G06K7/1098 ,  H01Q1/007 ,  H01Q1/241 ,  H01Q21/24 ,  H04L12/12 ,  H04L29/06 ,  H04L45/00 ,  H04L45/04 ,  H04L45/44 ,  H04L45/48 ,  H04L69/14 ,  H04L69/32 ,  H04L69/324 ,  H04L69/325 ,  H04L69/326 ,  H04W40/00 ,  H04W40/02 ,  H04W40/08 ,  H04W40/24 ,  H04W40/34 ,  H04W84/04 ,  H04W84/12 ,  H04W88/04 ,  H04W88/08 ,  H04W88/14 ,  H04W88/16 ,  H04W92/20 ,  Y02D70/30 ,  Y02D70/324

Abstract: An apparatus and a method for routing data in a radio data communication system having one or more host computers (10), one or more intermediate base statios (20-52), and one or more RF terminals (100) organizes the intermediate base stations into an optimal spanning-tree network to control the routing of data to and from the RF terminals and the host computer efficiently and dynamically. Communication between the host computer and the RF terminals is achieved by using the network of intermediate base stations to transmit the data.

Abstract translation: 一种用于在具有一个或多个主计算机（10），一个或多个中间基站（20-52）和一个或多个RF终端（100）的无线电数据通信系统中路由数据的装置和方法，用于组织中间基站 成为优化的生成树网络，以有效和动态地控制数据到RF终端和主机之间的路由。 通过使用中间基站的网络来传送数据来实现主机与RF终端之间的通信。

公开(公告)号：WO1992015073A1

公开(公告)日：1992-09-03

申请号：PCT/US1992001461

申请日：1992-02-25

Applicant: NORAND CORPORATION

Inventor： NORAND CORPORATION ,  KOENCK, Steven, E. ,  MILLER, Phillip ,  HANSON, George, E. ,  SCHULTZ, Darald, R. ,  KRUNNFUSZ, Jeffrey, S.

IPC: G06K07/10

CPC classification number: G07F7/02 ,  G06F1/1626 ,  G06F1/163 ,  G06F1/1632 ,  G06F1/28 ,  G06K7/10574 ,  G06K7/10584 ,  G06K7/10702 ,  G06K7/10722 ,  G06K7/10732 ,  G06K7/10811 ,  G06K7/10841 ,  G06K7/10851 ,  G06K7/10881 ,  G06K7/1098 ,  G06K7/12 ,  G06K17/0022 ,  G06Q20/343 ,  G07G1/0045 ,  G07G1/0081 ,  H04B2001/3894 ,  H04L29/06 ,  H04L69/32 ,  H04W52/029 ,  Y02D70/00

Abstract: A battery powered, portable, hand-held data terminal (10) of modular structure includes a base module (16, 136) with a keyboard (18) and a display screen (19) and their respective electrical functions (167, 164). A data and communications module may be selected from a number of different data and communications modules (48, 55, 75, 135) each having different types of data communications transceiver, or including in addition data collection devices, such as shelf label readers or bar code readers (76). The base module (16, 136) includes a microprocessor-controlled data communications and control interface having a predetermined protocol. To adapt the various type of data and communications modules for selection of any one thereof to become attached to the base module and function therewith, each of the data and communications modules includes a microprocessor (125, 144) operable to function as an emulator to interact with the microprocessor of the base module (16, 136).

Abstract translation: 具有模块化结构的电池供电的便携式手持式数据终端（10）包括具有键盘（18）和显示屏（19）的基本模块（16,136）及其各自的电功能（167,164）。 数据和通信模块可以从多个不同数据和通信模块（48,55,75,1005）中选择，每个数据和通信模块具有不同类型的数据通信收发器，或者还包括数据收集设备，例如货架标签读取器或条 代码阅读器（76）。 基本模块（16,136）包括具有预定协议的微处理器控制的数据通信和控制接口。 为了适应各种类型的数据和通信模块以选择其中任何一个以附加到基本模块并且与其一起发挥功能，数据和通信模块中的每一个包括微处理器（125,144），其可操作以用作仿真器以进行交互 与基本模块（16,136）的微处理器连接。

公开(公告)号：WO1992010803A1

公开(公告)日：1992-06-25

申请号：PCT/US1991009421

申请日：1991-12-12

Applicant: NORAND CORPORATION

Inventor： NORAND CORPORATION ,  KOENCK, Steven, E. ,  MILLER, Phillip ,  DANIELSON, Arvin, D. ,  MAHANY, Ronald, L. ,  DURBIN, Dennis, A. ,  CARGIN, Keith, K. ,  HANSON, George, E. ,  SCHULTZ, Darald, R. ,  GEERS, Robert, G. ,  BOATWRIGHT, Darrell, L. ,  GIBBS, William, T. ,  KELLY, Stephen, J.

IPC: G06F15/02

CPC classification number: G07G1/0045 ,  G06F1/1626 ,  G06F1/1632 ,  G06F1/1647 ,  G06F1/1656 ,  G06F1/1671 ,  G06F1/1683 ,  G06F1/1698 ,  G06F15/0216 ,  G06F15/0283 ,  G06K7/10881 ,  G06K17/0022 ,  G06Q10/08 ,  G06Q10/087 ,  G06Q20/343 ,  G07F7/02

Abstract: A portable, hand-held data collection terminal unit is of modular structure including among other modules a display screen module, a keyboard module and a base module, each of which may be chosen from a plurality of modules available for assembly into the terminal unit. Consequently, a wide combination of terminal units may be assembled from a comparatively limited number of modular choices, such that the cost of assembly of a terminal unit with specific functions may be minimized. A particular selected module is a scanning module including a pivotable scanning head to permit a user to adjust the scanning head to a convenient position for operating the scanning module without sacrifice of visual access to a display screen of the display screen module. The display screen module may be selected from modules of standard width equal to the width of the terminal unit, of extended width extending when assembled to a selected keyboard module beyond either or both lateral edges of the terminal unit. The selected display screen module may include one of different sized screens, function keys and alphabetical keys.

Abstract translation: 便携式手持式数据采集终端单元是模块化结构，其中包括显示屏模块，键盘模块和基本模块，其中每一模块可以从可用于组装到终端单元中的多个模块中选择。 因此，可以从相对有限数量的模块化选择组装终端单元的广泛组合，使得具有特定功能的终端单元的组装成本可以最小化。 特定选择的模块是包括可枢转扫描头的扫描模块，以允许用户将扫描头调节到用于操作扫描模块的方便位置，而不牺牲对显示屏模块的显示屏的可视访问。 显示屏模块可以从等于终端单元的宽度的标准宽度的模块中选择，当组装到选定的键盘模块上延伸的延伸宽度超过终端单元的任一侧或两个侧边缘时。 所选择的显示屏模块可以包括不同尺寸的屏幕之一，功能键和字母键。

公开(公告)号：WO1997018586A1

公开(公告)日：1997-05-22

申请号：PCT/US1996017916

申请日：1996-11-15

Applicant: NORAND CORPORATION ,  KOENCK, Steven, E.

Inventor： NORAND CORPORATION

IPC: H01L23/28

CPC classification number: H01L23/552 ,  H01L23/50 ,  H01L23/58 ,  H01L23/585 ,  H01L2924/0002 ,  H01L2924/15173 ,  H01L2924/3011 ,  H01L2924/00

Abstract: EMI radiation in an integrated circuit device package (10) is reduced or eliminated by the introduction of a magnetic material into the encapsulating medium (14). The permeance of the magnetic encapsulating medium (14) affects the inherent series inductance of the lead frame conductors (16) to thereby reduce electromagnetic interference. Ferrite microbeads (30) are formed around the lead frame conductors (16) to contain the magnetic flux (32) generated by an electrical current signal and to attenuate the effects of mutual inductance.

Abstract translation: 集成电路器件封装（10）中的EMI辐射通过将磁性材料引入封装介质（14）而被减少或消除。 磁性封装介质（14）的磁导影响引线框架导体（16）的固有串联电感，从而降低电磁干扰。 铁氧体微珠（30）围绕引线框架导体（16）形成以容纳由电流信号产生的磁通（32）并且衰减互感效应。

公开(公告)号：WO1996031021A1

公开(公告)日：1996-10-03

申请号：PCT/US1996004396

申请日：1996-03-29

Applicant: NORAND CORPORATION ,  MAHANY, Ronald, L.

Inventor： NORAND CORPORATION

IPC: H04B10/00

CPC classification number: H04W24/04 ,  H04B1/38 ,  H04B1/74 ,  H04B10/1149 ,  H04B10/40 ,  H04L12/403 ,  H04W84/10 ,  H04W88/10 ,  Y02D70/40 ,  Y02D70/46

Abstract: A communication network which uses an infrared backbone and having a radio frequency backup channel is disclosed. The infrared backbone is generally located on a ceiling in a hallway of a building (fig. 3) and comprises a plurality of hub access points (307). The hub access points (307) communicate data on the backbone in a relay fashion using modulated infrared light. If infrared communications fail, the hub access points (307) may, as a backup, communicate in the same fashion using low power radio frequency (RF) transmissions. In another embodiment, in an environment such as an airplane (figs. 11-12) having equipment sensitive to RF noise, a communication network is installed having communication pathways which adapt in response to such equipment as need be to minimize RF noise. For example, high-bandwith wired communication might be acceptable during some periods when the sensitive equipment is not in use. During other periods, the equipment may cause the communication pathways of the network to only utilize infrared transmissions or to enter an idle state. The access points use a sequential polling protocol and relay data throughout the network. Blocking and absorptive triangular shaped panels are used to absorb, deflect and contain infrared transmissions into cells.

Abstract translation: 公开了一种使用红外骨干网并具有射频备份信道的通信网络。 红外线骨架通常位于建筑物走廊的天花板上（图3），并且包括多个集线器接入点（307）。 集线器接入点（307）使用调制的红外光以中继方式在骨干网上传送数据。 如果红外通信失败，则集线器接入点（307）可以作为备份，以相同的方式使用低功率射频（RF）传输进行通信。 在另一个实施例中，在具有对RF噪声敏感的设备的诸如飞机的环境（图11-12）中，安装通信网络，其具有响应于需要使得RF噪声最小化的这种设备而适应的通信路径。 例如，在敏感设备不使用的某些时期，高带宽有线通信可能是可以接受的。 在其他时段期间，设备可能导致网络的通信路径仅使用红外传输或进入空闲状态。 接入点在整个网络中使用顺序轮询协议和中继数据。 阻塞和吸收三角形面板用于吸收，偏转和容纳红外线传输到电池中。

公开(公告)号：WO1995018998A1

公开(公告)日：1995-07-13

申请号：PCT/US1995000220

申请日：1995-01-05

Applicant: NORAND CORPORATION

Inventor： NORAND CORPORATION ,  KEEHN, William, H. ,  JAEGER, Robert, B.

IPC: G06F01/24

CPC classification number: G11C11/406 ,  G06F1/24 ,  G06F1/30 ,  G06F12/0638 ,  Y02D10/13

Abstract: A microprocessor circuit (40) including a microprocessor device (41) and a pseudo-static random access memory (47) further includes a switching circuit (50) which is coupled to a non-maskable interrupt (NMI) signal port (55) and to a RESET port (58) of the microprocessor device. The switching circuit intercepts an NMI signal to be applied to the NMI signal port of the microprocessor device and converts an initial NMI signal following a power-down or sleep mode to a RESET signal and applies the RESET signal to the RESET port. NMI signals which occur during normal operation of the microprocessor circuit are routed through the switching circuit directly to the microprocessor device consistent with normal operations. The RESET signal after power-down or sleep mode operations causes the microprocessor device to address ROM (46) until after the pseudo-static RAM has assumed an active, externally refreshed state.

Abstract translation: 包括微处理器设备（41）和伪静态随机存取存储器（47）的微处理器电路（40）还包括耦合到不可屏蔽中断（NMI）信号端口（55）的开关电路（50）和 到微处理器设备的复位端口（58）。 切换电路拦截要施加到微处理器设备的NMI信号端口的NMI信号，并将掉电或休眠模式之后的初始NMI信号转换为RESET信号，并将RESET信号施加到RESET端口。 在微处理器电路的正常操作期间发生的NMI信号通过开关电路直接连接到与正常操作一致的微处理器设备。 在掉电或睡眠模式操作之后的RESET信号使微处理器设备寻址ROM（46），直到伪静态RAM已经进入活动的外部刷新状态。

公开(公告)号：WO1994027382A1

公开(公告)日：1994-11-24

申请号：PCT/US1994005037

申请日：1994-05-06

Applicant: NORAND CORPORATION

Inventor： NORAND CORPORATION ,  MAHANY, Ronald, L. ,  WEST, Guy, J. ,  BUNTE, Alan, G.

IPC: H04B07/216

CPC classification number: H04W52/46 ,  H04L1/0002 ,  H04L1/0025 ,  H04L1/0032 ,  H04L27/12 ,  H04L27/156 ,  H04L69/18 ,  H04M7/006

Abstract: A communication system (30) in which multiple local area networks (37, 40, 41) exhibiting different characteristics are employed to link portable or mobile computing devices (35, 36). Radio base stations (33, 56, 57, 58, 59) connected to a backbone LAN and at least one mobile computing device (35, 36) form a high-power LAN (37), using a frequency hopping protocol. A low-power LAN (40, 41) allows for radio communication between a mobile computing device (35, 36) and peripheral devices (43, 44, 45), using a single-frequency spread spectrum protocol. A vehicular LAN provides for short-range communication between vehicle terminals (3007) and portable terminals (3009). Radio units (35, 36) participating in multiple LANs (37, 40, 41) use the appropriate protocol, frequency and power level for communicating through the communication system (30).

Abstract translation: 一种通信系统（30），其中采用具有不同特征的多个局域网（37,40,41）来链接便携式或移动计算设备（35,36）。 连接到骨干LAN的无线电基站（33,56,57,58,59）和至少一个移动计算设备（35,36）使用跳频协议形成大功率LAN（37）。 低功率LAN（40,41）允许使用单频扩频协议在移动计算设备（35,36）和外围设备（43,44,45）之间进行无线电通信。 车辆LAN提供车辆终端（3007）和便携式终端（3009）之间的短距离通信。 参与多个LAN（37,40,41）的无线电单元（35,36）使用适当的协议，频率和功率级别来通过通信系统（30）进行通信。

公开(公告)号：WO1994015413A1

公开(公告)日：1994-07-07

申请号：PCT/US1993012628

申请日：1993-12-23

Applicant: NORAND CORPORATION ,  MAHANY, Ronald, L. ,  BUNTE, Alan, G. ,  LUSE, Ronald, E. ,  WEST, Guy, J. ,  GOLLNICK, Charles, D.

Inventor： NORAND CORPORATION

IPC: H04B07/204

CPC classification number: H04W52/343 ,  G08C17/02 ,  G08C2201/20 ,  H04B17/0085 ,  H04B17/318 ,  H04L1/0002 ,  H04L1/0017 ,  H04L1/0025 ,  H04L1/0032 ,  H04L12/403 ,  H04L69/18 ,  H04W28/10 ,  H04W28/22 ,  H04W52/029 ,  H04W52/346 ,  H04W84/12 ,  Y02D70/142 ,  Y02D70/164

Abstract: A transceiver apparatus (110) for creating a wireless personal local area network between a computer terminal (7) and one or more peripheral devices (9, 13, 23). A separate transceiver (110) is connected to the computer terminal (7) and to each peripheral device (9, 13, 23). The transceivers (110) can be connected to the terminal (7) or the peripheral devices (9, 13, 23) either internally or externally. A low power radio (112) is used to communicate information between the computer terminal (7) and the peripheral devices (9, 13, 23). Different transceivers (110) can be used for modifying the carrier frequency and power of the local area network. A microprocessor (120) is located inside each transceiver (110) and controls the information flow of the transceiver including the communication protocol which allows each device (7, 9, 13, 23) to know if other devices (7, 9, 13, 23) are communicating, which devices (7, 9, 13, 23) are being communicated to, and selectively address the peripheral devices (9, 13, 23). An Idle Sense communication protocol is used for information transfer between the computer terminal (7) and the peripheral devices (9, 13, 23).

Abstract translation: 一种用于在计算机终端（7）和一个或多个外围设备（9,13,23）之间创建无线个人局域网的收发器设备（110）。 单独的收发器（110）连接到计算机终端（7）和每个外围设备（9,13,23）。 收发器（110）可以在内部或外部连接到终端（7）或外围设备（9,13,23）。 低功率无线电（112）用于在计算机终端（7）和外围设备（9,13,23）之间传送信息。 可以使用不同的收发器（110）来修改局域网的载波频率和功率。 微处理器（120）位于每个收发器（110）内部并且控制收发器的信息流包括通信协议，其允许每个设备（7,9,13,23）知道其他设备（7,9,13， 23）正在通信，哪个设备（7,9,13,23）被传送到，并且选择性地寻址外围设备（9,13,23）。 空闲感知通信协议用于计算机终端（7）和外围设备（9,13,23）之间的信息传输。

公开(公告)号：WO1994010774A1

公开(公告)日：1994-05-11

申请号：PCT/US1993010528

申请日：1993-11-02

Applicant: NORAND CORPORATION

Inventor： NORAND CORPORATION ,  MAHANY, Ronald, L.

IPC: H04K01/00

CPC classification number: H04L45/48 ,  H04B1/692 ,  H04B1/707 ,  H04B1/713 ,  H04B17/0085 ,  H04B17/318 ,  H04B2201/7071 ,  H04L1/0003 ,  H04L1/0007 ,  H04L1/0014 ,  H04L1/0025 ,  H04L1/0071 ,  H04L45/00 ,  H04W28/065 ,  H04W28/18

Abstract: Improved apparatus for a radio communication network having a multiplicity of mobile transceiver units (52) selectively in communication with a plurality of base transceiver units which communicate with one or two host computers (42) for storage and manipulation of data collected by bar code scanners or other collection means associated with the mobile transceiver units. The radio network is adaptive in that in order to compensate for the wide range of operating conditions a set of variable network parameters are exchanged between transceivers in the network. These parameters define optimized communication on the network under current network conditions. Examples of such parameters include: the length and frequency of the spreading code in direct-sequence spread spectrum communications; the hop frame length, coding, and interleaving in frequency-hopping spread spectrum communications; the method of source encoding used; and the data packet size in a network using data segmentation.

Abstract translation: 一种用于无线电通信网络的改进的装置，其具有多个移动收发机单元（52），所述多个移动收发机单元选择性地与多个基站收发器单元通信，所述基站收发器单元与一个或两个主计算机（42）进行通信，用于存储和操纵由条形码扫描器收集的数据， 与移动收发机单元相关联的其他收集装置。 无线网络是适应性的，为了补偿广泛的操作条件，在网络中的收发器之间交换一组可变网络参数。 这些参数定义了当前网络条件下网络上的优化通信。 这些参数的示例包括：直接序列扩频通信中的扩展码的长度和频率; 跳频扩频通信中的跳帧长度，编码和交织; 使用源编码的方法; 以及使用数据分段的网络中的数据分组大小。

公开(公告)号：WO1993025955A1

公开(公告)日：1993-12-23

申请号：PCT/US1993005648

申请日：1993-06-14

Applicant: NORAND CORPORATION

Inventor： NORAND CORPORATION ,  KOENCK, Steven, E. ,  MILLER, Phillip

IPC: G06F01/32

CPC classification number: H04W88/06 ,  G06F1/1626 ,  G06F1/3203 ,  G06F1/325 ,  G06F1/3287 ,  G06F15/0225 ,  G06K7/1098 ,  H01Q1/007 ,  H01Q1/241 ,  H01Q21/24 ,  H04B1/1615 ,  H04B1/3833 ,  H04L29/06 ,  H04L69/32 ,  H04L69/324 ,  H04L69/325 ,  H04L69/326 ,  H04W52/0267 ,  Y02D10/171 ,  Y02D70/40

Abstract: A power management arrangement of a computerized portable data collection terminal includes a high speed data bus (50) which couples functional modules of the terminal via a plurality of microprocessor devices. The microprocessor devices interact to control selective activation of communication circuits to perform necessary communication or data processing functions and enter a power saving-dormant state during other times. Power savings are further realized from assigning control and monitoring functions to control processor (49) of a terminal module and data processing operations to high speed application microprocessor (48) with substantial computing power. Upon occurrence of an event requiring data processing operations, the application processor is activated, performs needed operations and is immediately deactivated to conserve power when not actively engaged in data processing functions. Typical data processing functions may include interpreting raw data from scanning operations, acting on keyboard inputs, performing data base operations and updating display screen information.

Abstract translation: 计算机化便携式数据收集终端的电源管理装置包括经由多个微处理器装置耦合终端的功能模块的高速数据总线（50）。 微处理器设备进行交互以控制通信电路的选择性激活，以执行必要的通信或数据处理功能，并在其他时间进入省电休眠状态。 通过将控制和监视功能分配给终端模块的控制处理器（49）和具有实质计算能力的高速应用微处理器（48）的数据处理操作来进一步实现功率节省。 在发生需要数据处理操作的事件时，应用处理器被激活，执行所需的操作，并且在不主动参与数据处理功能时立即停用以节省功率。 典型的数据处理功能可以包括解释来自扫描操作的原始数据，作用于键盘输入，执行数据库操作和更新显示屏幕信息。