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    • 2. 发明授权
    • Reliable communications for wireless devices
    • 无线设备的可靠通信
    • US08380126B1
    • 2013-02-19
    • US11250982
    • 2005-10-13
    • Dung MaFred Lee
    • Dung MaFred Lee
    • H04B7/00
    • A61B5/7475A61B5/0002A61B2017/00973H04B1/74H04L1/22
    • A method and apparatus for connectivity management of a wireless device is provided, such as a wireless medical device. The method comprises providing a wireless connection between at least two medical devices, the at least two medical devices comprising a primary medical device and a secondary medical device, causing the primary medical device to transmit and the secondary medical device to receive state signals wirelessly across a plurality of communication data channels, and reporting a non-active state for one of the plurality of data channels from the primary medical device to the secondary medical device using the plurality of communication data channels.
    • 提供了一种用于无线设备的连接管理的方法和装置,诸如无线医疗设备。 所述方法包括在至少两个医疗设备之间提供无线连接,所述至少两个医疗设备包括主要医疗设备和次要医疗设备,使得主要医疗设备发送,并且次要医疗设备以无线方式接收状态信号 多个通信数据信道,并且使用所述多个通信数据信道向所述主要医疗设备向所述辅助医疗设备报告所述多个数据信道之一的非活动状态。
    • 3. 发明申请
    • Reducing Common Mode Noise of Power Factor Correction Converters Using General Balance Concept
    • 使用一般平衡概念降低功率因数校正转换器的共模噪声
    • US20080061748A1
    • 2008-03-13
    • US11531392
    • 2006-09-13
    • Shuo WangFred LeePengju Kong
    • Shuo WangFred LeePengju Kong
    • G05F1/00
    • H02M1/4225H02M1/44H02M3/156H02M2001/0064Y02B70/126Y02P80/112
    • Common mode (CM) noise is substantially canceled in a switching power supply circuit such as a boost converter by providing a split inductor and analyzing the switching power supply circuit as a bridge circuit formed of the switch, portions of the split inductor and parasitic capacitances of respective portions of the power supply circuit. The bridge can then be balanced by addition of capacitance in parallel with the parasitic capacitance of a respective portion of the power supply circuit or dividing the split inductor such that a ratio of inductances of respective portions of the split inductor approximates a ratio of parasitic capacitances of the respective power supply circuit portions which may be measured or otherwise empirically determined. CM noise reduction of up to 40 db can be achieved without symmetric circuit design, addition of circuit elements or complex filtering having added cost, space requirements and power losses. Further, such a reduction in common mode noise allows simple EMI filtering arrangements to be employed further reducing cost and space requirements for the power supply circuit.
    • 共模(CM)噪声在升压转换器等开关电源电路中基本上被消除,通过提供分离电感器并将开关电源电路分析为由开关构成的桥接电路,分离电感器的部分和寄生电容的部分 电源电路的各部分。 然后可以通过将电容与电源电路的相应部分的寄生电容并联,或分割分裂电感器来平衡桥,使得分离电感器的各个部分的电感比接近于寄生电容的比率 各个电源电路部分可以被测量或经验确定。 可以实现高达40db的CM噪声降低,无需对称电路设计,添加电路元件或复杂滤波,增加了成本,空间要求和功率损耗。 此外,共模噪声的这种降低允许简单的EMI滤波装置进一步降低电源电路的成本和空间要求。
    • 6. 发明授权
    • Structure of a metal hood housing for connector
    • 连接器金属罩壳结构
    • US06450835B1
    • 2002-09-17
    • US09833690
    • 2001-04-13
    • Fred Lee
    • Fred Lee
    • H01R13648
    • H01R13/6596H01R13/6582H01R13/6594Y10S439/901
    • An improved structure of a metal hood for connector is disclosed, and the hood comprises a top plate portion, side plate portion, bottom plate portion and a rear plate portion. A symmetrical L-shaped extension portion each at the two sides of the rear plate section is externally extended from the corner end of the rear plate portions. In the process of bending formation of the metal hood, the two L-shaped extension portions are exactly formed into vertically downward ground terminals of the metal hood. As the ground terminal of the housing is located at the rear plate portion of the metal hood, the method of feed-strap of plating can be employed in the process of selective plating, hence, avoiding color change of the housing as a result of proximity to a hear source.
    • 公开了一种用于连接器的金属罩的改进结构,并且罩包括顶板部分,侧板部分,底板部分和后板部分。 后板部分两侧的对称的L形延伸部分从后板部分的角端部向外延伸。 在金属罩弯曲成形的过程中,两个L形延伸部分精确地形成在金属罩的垂直向下的接地端子中。 由于壳体的接地端子位于金属罩的后板部分,因此可以在选择性电镀的过程中采用电镀馈电线的方法,因此避免由于接近而导致的外壳颜色变化 听到来源。
    • 7. 发明授权
    • Exclusive pairing technique for short-range communication devices
    • 短距离通信设备的独占配对技术
    • US08750796B2
    • 2014-06-10
    • US11750294
    • 2007-05-17
    • Michael J. ClausTimothy HunterDung MarFred Lee
    • Michael J. ClausTimothy HunterDung MarFred Lee
    • H04B7/00H04W12/06H04W12/02
    • H04W12/02H04W12/04H04W12/06H04W84/18
    • A method and system of establishing communications between at least two independent software modules in a safety critical system, such as a medical system, is provided. The design comprises providing an exclusive Bluetooth connection between at least two wireless devices. A master wireless device is configured with Bluetooth master device functionality and a slave wireless device is configured with Bluetooth slave device functionality. The wireless devices are employed in performing procedures in a safety critical environment. The method further comprises acquiring a stored unique address from the slave wireless device over the Bluetooth connection, comparing the stored unique address to a master wireless device unique address available at the master wireless device, and exclusively pairing the master wireless device and the slave wireless device when the unique address acquired from the slave wireless device is found to identically match the master wireless device unique address.
    • 提供了在诸如医疗系统之类的安全关键系统中的至少两个独立软件模块之间建立通信的方法和系统。 该设计包括在至少两个无线设备之间提供专用的蓝牙连接。 主无线设备配置有蓝牙主设备功能,而从无线设备配置有蓝牙从设备功能。 无线设备用于在安全关键环境中执行程序。 该方法还包括通过蓝牙连接从从属无线设备获取存储的唯一地址,将存储的唯一地址与主无线设备上可用的主无线设备唯一地址进行比较,以及将主无线设备和从无线设备 当从从属无线设备获取的唯一地址被发现与主无线设备唯一地址相同时。
    • 9. 发明申请
    • HIGH SPEED PNEUMATIC VITRECTOMY CONTROL
    • 高速气动维修控制
    • US20090259242A1
    • 2009-10-15
    • US12424295
    • 2009-04-15
    • James GergErnesto FloresFred Lee
    • James GergErnesto FloresFred Lee
    • A61B17/32
    • A61F9/00736A61B17/320068A61B2017/00544A61F9/00763
    • A method and system for controlling the cutting speed of a cutting device employable in an ocular surgical procedure is provided. The apparatus includes a control module, a variable gas pressure regulator arrangement configured to receive gas from a gas pressure supply, wherein the variable pressure regulator arrangement is connected to the control module and the control module is configured to regulate gas received from the gas pressure supply, and an accumulator configured to store gas received from the variable gas regulator arrangement at a selected gas pressure. Gas at the desired pressure is delivered from the accumulator to the cutting device. The gas may be air, and the variable gas pressure arrangement may include a single variable pressure regulator or multiple pressure regulators which typically are not variable with respect to the pressure delivered.
    • 提供了一种用于控制可在眼外科手术中使用的切割装置的切割速度的方法和系统。 该装置包括控制模块,可变气体压力调节器装置,其构造成从气体压力源接收气体,其中可变压力调节器装置连接到控制模块,并且控制模块构造成调节从气体压力供应 以及蓄积器,其构造成以选定的气体压力存储从所述可变气体调节器装置接收的气体。 在所需压力下的气体从蓄能器输送到切割装置。 气体可以是空气,并且可变气体压力布置可以包括单个可变压力调节器或多个压力调节器,其通常相对于输送的压力不可变。