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公开(公告)号：US07768949B2
公开(公告)日：2010-08-03
申请号：US11678035
申请日：2007-02-22
IPC分类号： G06F15/16
CPC分类号： A61B5/1113 , A61B5/0002 , A61B5/6887 , A61B5/6891 , A61B5/6892 , A61B2560/0204 , A61B2560/0219 , A61B2562/226 , A61B2562/227 , A61G12/00 , A61G2203/70 , G16H40/20 , H04W24/00 , H04W74/08 , H04W76/18 , H04W88/04
摘要： A communications system and protocol are described for wirelessly interconnecting a pair of bed and wall units that communicate the patient information, including bed exit alerts, from the patient supporting equipment to the hospital nurse call system. A linking procedure is provided for establishing a communications link to interconnect the pair of units, wherein the communications link fails upon detection of a third communications device simultaneously undergoing the link attempt mode. In one embodiment, the system provides for advanced collision detection by monitoring corruption of the end-of-packet byte within the periodic check-in message sequences between the linked units to prevent data corruption and future collisions. To ensure prompt interconnection of units, embodiments of the invention provide for a link reminder to alert the health care provider to initiate the steps for linking the bed and wall units whenever two or more unlinked units are in proximity.
摘要翻译： 描述了一种通信系统和协议，用于将一对床和墙单元无线地互连，所述一对床和壁单元将患者信息（包括床出口警报）从患者支持设备传送到医院护士呼叫系统。 提供了链接过程，用于建立通信链路以互连该对单元，其中当检测到经历链路尝试模式的第三通信设备时，通信链路失效。 在一个实施例中，系统通过监视链接的单元之间的周期性检入消息序列中的分组结束字节的损坏来提供高级冲突检测，以防止数据损坏和将来的冲突。 为了确保单元的迅速互连，本发明的实施例提供链接提醒，以便每当两个或更多个未链接的单元接近时，提醒卫生保健提供者启动用于链接床和壁单元的步骤。
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公开(公告)号：US20080205311A1
公开(公告)日：2008-08-28
申请号：US11678035
申请日：2007-02-22
IPC分类号： H04B7/00
CPC分类号： A61B5/1113 , A61B5/0002 , A61B5/6887 , A61B5/6891 , A61B5/6892 , A61B2560/0204 , A61B2560/0219 , A61B2562/226 , A61B2562/227 , A61G12/00 , A61G2203/70 , G16H40/20 , H04W24/00 , H04W74/08 , H04W76/18 , H04W88/04
摘要： A communications system and protocol are described for wirelessly interconnecting a pair of bed and wall units that communicate the patient information, including bed exit alerts, from the patient supporting equipment to the hospital nurse call system. A linking procedure is provided for establishing a communications link to interconnect the pair of units, wherein the communications link fails upon detection of a third communications device simultaneously undergoing the link attempt mode. In one embodiment, the system provides for advanced collision detection by monitoring corruption of the end-of-packet byte within the periodic check-in message sequences between the linked units to prevent data corruption and future collisions. To ensure prompt interconnection of units, embodiments of the invention provide for a link reminder to alert the health care provider to initiate the steps for linking the bed and wall units whenever two or more unlinked units are in proximity.
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公开(公告)号：US20080205310A1
公开(公告)日：2008-08-28
申请号：US11678011
申请日：2007-02-22
IPC分类号： H04B7/00
CPC分类号： H04W72/1231 , A61B5/0002 , A61B5/1113 , A61B5/6887 , A61B5/6891 , A61B5/6892 , A61B2560/0204 , A61B2560/0219 , A61B2562/226 , A61B2562/227 , A61G12/00 , A61G2203/70 , H04W76/10
摘要： A communications system and protocol are described for wirelessly interconnecting a pair of bed and wall units that communicate the patient information, including bed exit alerts, from the patient supporting equipment to the hospital nurse call system. A linking procedure is provided for establishing a communications link to interconnect the pair of units, wherein the communications link fails upon detection of a third communications device simultaneously undergoing the link attempt mode. In one embodiment, the system provides for advanced collision detection by monitoring corruption of the end-of-packet byte within the periodic check-in message sequences between the linked units to prevent data corruption and future collisions. To ensure prompt interconnection of units, embodiments of the invention provide for a link reminder to alert the health care provider to initiate the steps for linking the bed and wall units whenever two or more unlinked units are in proximity.
摘要翻译： 描述了一种通信系统和协议，用于将一对床和墙单元无线地互连，所述一对床和壁单元将患者信息（包括床出口警报）从患者支持设备传送到医院护士呼叫系统。 提供了链接过程，用于建立通信链路以互连该对单元，其中当检测到经历链路尝试模式的第三通信设备时，通信链路失效。 在一个实施例中，系统通过监视链接的单元之间的周期性检入消息序列中的分组结束字节的损坏来提供高级冲突检测，以防止数据损坏和将来的冲突。 为了确保单元的迅速互连，本发明的实施例提供链接提醒，以便每当两个或更多个未链接的单元接近时，提醒卫生保健提供者启动用于链接床和壁单元的步骤。
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公开(公告)号：US4207530A
公开(公告)日：1980-06-10
申请号：US832483
申请日：1977-09-12
CPC分类号： H03J3/16 , H03G3/348 , H03J5/0272
摘要： A radio receiver having a tunable RF stage with an electrically tunable inductor is disclosed. The tunable inductor consists of a magnetic device with a core whose degree of magnetic saturation is controlled by various control currents. A phase lock loop with a programmable frequency divider responds to inputs from a tuning control means and provides a local oscillator signal to a mixer in the radio receiver while also providing a control current to the magnetic device, defined herein as Current Controlled Inductor (C.C.I.), which is directly related to the frequency of the local oscillator signal supplied to the mixer. Each time the radio receiver is tuned to a different input frequency by changing the frequency of the local oscillator signal, a predetermined reference current is applied to the C.C.I. before a new control current corresponding to the new local oscillator frequency is applied. This results in always tuning the C.C.I. in a single direction and therefore accurately setting the C.C.I. to desired values of inductance despite any hysteresis characteristic of the C.C.I. During the time that the C.C.I. is being set by the reference current, a muting signal is created by a monostable multivibrator which silences the speaker of the receiver via an audio gate. In this manner the receiver effectively ignores the time that the C.C.I. is being set by the reference current.
摘要翻译： 公开了具有可调谐RF级的无线电接收机，其具有电可调电感器。 可调电感器由具有磁芯的磁性装置组成，其磁饱和度由各种控制电流控制。 具有可编程分频器的锁相环响应来自调谐控制装置的输入，并将本地振荡器信号提供给无线电接收机中的混频器，同时还向磁性装置提供控制电流，这里定义为电流控制电感（CCI） ，这与提供给混频器的本地振荡器信号的频率直接相关。 每当通过改变本地振荡器信号的频率将无线电接收机调谐到不同的输入频率时，将预定的参考电流施加到C.C.I. 之前应用新的本地振荡器频率的新的控制电流。 这导致总是调整C.C.I. 在一个方向上，因此准确地设置C.C.I. 达到期望的电感值，尽管C.C.I.的任何滞后特性。 在C.C.I. 由参考电流设置，静音信号由单稳态多谐振荡器产生，通过音频门使接收器的扬声器静音。 以这种方式，接收器有效地忽略了C.C.I. 由参考电流设定。
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公开(公告)号：US07751375B2
公开(公告)日：2010-07-06
申请号：US11678011
申请日：2007-02-22
IPC分类号： H04J3/00
CPC分类号： H04W72/1231 , A61B5/0002 , A61B5/1113 , A61B5/6887 , A61B5/6891 , A61B5/6892 , A61B2560/0204 , A61B2560/0219 , A61B2562/226 , A61B2562/227 , A61G12/00 , A61G2203/70 , H04W76/10
摘要： A communications system and protocol are described for wirelessly interconnecting a pair of bed and wall units that communicate the patient information, including bed exit alerts, from the patient supporting equipment to the hospital nurse call system. A linking procedure is provided for establishing a communications link to interconnect the pair of units, wherein the communications link fails upon detection of a third communications device simultaneously undergoing the link attempt mode. In one embodiment, the system provides for advanced collision detection by monitoring corruption of the end-of-packet byte within the periodic check-in message sequences between the linked units to prevent data corruption and future collisions. To ensure prompt interconnection of units, embodiments of the invention provide for a link reminder to alert the health care provider to initiate the steps for linking the bed and wall units whenever two or more unlinked units are in proximity.
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公开(公告)号：US5090231A
公开(公告)日：1992-02-25
申请号：US413950
申请日：1989-09-28
摘要： A digital compass system for use in a wide variety of motor vehicle models, especially in the automotive aftermarket, and including various features which simplify installation and calibration by non-professionals. A knowledge of magnetic direction is not required. During calibration, only true geographic directions are used throughout. While searching for a suitable location within the vehicle to mount the magnetic sensor, the installer is advised by the digital display unit of the system as to whether or not a given location contains excessively strong magnetic components.
摘要翻译： 一种数字罗盘系统，用于各种机动车辆模型，特别是汽车售后市场，并且包括简化非专业人员的安装和校准的各种功能。 不需要磁知识。 在校准期间，只有真正的地理方向才能使用。 当在车辆内寻找合适的位置来安装磁性传感器时，系统的数字显示单元建议安装者确定给定位置是否包含过大的磁性部件。
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