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    • 21. 发明授权
    • Hybrid wireless/wired RoF transponder and hybrid RoF communication system using same
    • 混合无线/有线RoF转发器和使用它的混合RoF通信系统
    • US08175459B2
    • 2012-05-08
    • US11974226
    • 2007-10-12
    • Dean Michael ThelenJacob GeorgeLuis Alberto ZentenoMichael SauerMartyn N. Easton
    • Dean Michael ThelenJacob GeorgeLuis Alberto ZentenoMichael SauerMartyn N. Easton
    • H04B10/00
    • H04B10/25752
    • A radio-over-fiber (RoF) hybrid wired/wireless transponder is disclosed that is configured to provide both wireless and wired communication between a hybrid head-end and one or more client devices. The hybrid transponder includes optical-to-electrical (O/E) and electrical-to-optical (E/O) conversion capability and is configured to frequency multiplex/demultiplex electrical “wired” signals and electrical “wireless” signals. The electrical wireless signals are wirelessly communicated to the client device(s) via a multiple-input/multiple-output (MIMO) antenna system within a cellular coverage area. The electrical wired signals are communicated to the client device(s) via a wireline cable that plugs into a wireline cable port on the transponder. The hybrid RoF system includes a hybrid head-end capable of transmitting and receiving wired and wireless optical signals, and an optical fiber cable that is optically coupled to the hybrid head-end and to at least one hybrid transponder. Drop-down transponder configurations that allow for easy wired and wireless connectivity between the client device(s) to the transponder(s) are also disclosed.
    • 公开了一种无线电光纤(RoF)混合有线/无线应答器,其被配置为在混合头端与一个或多个客户端设备之间提供无线和有线通信。 混合转发器包括光电(O / E)和电 - 光(E / O)转换能力,并且被配置为频率复用/解复用电“有线”信号和电“无线”信号。 无线电信号通过蜂窝覆盖区域内的多输入/多输出(MIMO)天线系统无线地传送到客户端设备。 电接线信号通过有线电缆传送到客户端设备,该有线电缆插入应答器上的有线电缆端口。 混合RoF系统包括能够发送和接收有线和无线光信号的混合头端,以及光耦合到混合头端和至少一个混合转发器的光纤电缆。 还公开了允许在客户端设备与应答器之间简单的有线和无线连接的下拉式应答器配置。
    • 22. 发明申请
    • TRANSPONDER SYSTEMS AND METHODS FOR RADIO-OVER-FIBER (RoF) WIRELESS PICOCELLULAR SYSTEMS
    • 无线光纤(RoF)无线光纤系统的传输系统和方法
    • US20120105208A1
    • 2012-05-03
    • US13342468
    • 2012-01-03
    • Jacob GeorgeMichael SauerAndrey KobyakovWilliam Carl Hurley
    • Jacob GeorgeMichael SauerAndrey KobyakovWilliam Carl Hurley
    • G06K7/01
    • G06K19/0723G06K7/10178H04B10/25756H04W88/085
    • Transponder systems and methods for radio-over-fiber (RoF) wireless picocellular system are disclosed. One type of transponder system includes a RoF transponder used in combination with at least one radiation-reflector assembly to provide for enhanced antenna directivity of the transponder. Another type of transponder system is a transponder node assembly, wherein two or more transponders are integrated into a single assembly, thereby reducing cost while facilitating RoF wireless picocellular system deployment. Another type of transponder system provides one or more transponders in a RoF wireless picocellular system with radio-frequency identification (RFID) tags, and uses an RFID tag reader to locate and read information from the transponders, as well as to perform transponder mode selection. Another type of transponder system is directed to a tether cable assembly that includes a dispensible/retractable coiled tether cable housed in a protective housing for connecting the tether cable to a transponder.
    • 公开了用于无线电光纤(RoF)无线微微蜂窝系统的应答器系统和方法。 一种类型的应答器系统包括与至少一个辐射 - 反射器组合组合使用的RoF应答器,以提供应答器的增强的天线方向性。 另一种类型的应答器系统是应答器节点组件,其中将两个或更多个应答器集成到单个组件中,从而在促进RoF无线微微蜂窝系统部署的同时降低成本。 另一种类型的应答器系统在具有射频识别(RFID)标签的RoF无线微微蜂窝系统中提供一个或多个转发器,并且使用RFID标签读取器来定位和读取来自应答器的信息,以及执行应答器模式选择。 另一类型的应答器系统被引导到系绳电缆组件,其包括容纳在用于将系绳电缆连接到应答器的保护壳体中的可分配/可伸缩线圈系绳。
    • 25. 发明申请
    • Sectorization in Distributed Antenna Systems, and Related Components and Methods
    • 分布式天线系统中的扇区化,以及相关组件和方法
    • US20110268449A1
    • 2011-11-03
    • US12914585
    • 2010-10-28
    • Igor BerlinWilliam P. CuneJason E. GreeneMichael SauerGerald B. Schmidt
    • Igor BerlinWilliam P. CuneJason E. GreeneMichael SauerGerald B. Schmidt
    • H04B10/10
    • H04B10/25752H04B10/25753H04W88/085
    • Embodiments disclosed provide sectorization in distributed antenna systems, and related components and methods. The antenna units in the distributed antenna systems can be sectorized. In this regard, one or more radio bands distributed by the distributed antenna systems can be allocated to one or more sectors. The antenna units in the distributed antenna systems are also allocated to one or more sectors. In this manner, only radio frequency (RF) communications signals in the radio band(s) allocated to given sector(s) are distributed the antenna unit allocated to the same sector(s). The bandwidth capacity of the antenna unit is split among the radio band(s) allocated to sector(s) allocated to the antenna unit. The sectorization of the radio band(s) and the antenna units can be configured and/or altered based on capacity needs for given radio bands in antenna coverage areas provide by the antenna units.
    • 公开的实施例提供分布式天线系统中的扇区化,以及相关的组件和方法。 分布式天线系统中的天线单元可以扇区化。 在这点上,由分布式天线系统分配的一个或多个无线频带可被分配给一个或多个扇区。 分布式天线系统中的天线单元也被分配给一个或多个扇区。 以这种方式,仅分配给给定扇区的无线频带中的射频(RF)通信信号被分配给分配给相同扇区的天线单元。 天线单元的带宽容量在分配给分配给天线单元的扇区的无线频带之间被分离。 可以基于由天线单元提供的天线覆盖区域中的给定无线电频带的容量需求来配置和/或改变无线电频带和天线单元的扇区化。
    • 26. 发明申请
    • Radio-Over-Fiber (RoF) System for Protocol-Independent Wired and/or Wireless Communication
    • 用于无协议无线和/或无线通信的无线光纤(RoF)系统
    • US20110116794A1
    • 2011-05-19
    • US12618613
    • 2009-11-13
    • Jacob GeorgeMichael SauerDean M. Thelen
    • Jacob GeorgeMichael SauerDean M. Thelen
    • H04J14/00
    • H04B10/25751H04B10/25754H04N7/15H04Q11/0067H04W16/26H04W76/10H04W84/12H04W88/08H04W88/085H04W92/20
    • An optically-switched fiber optic communication system, such as a Radio-over-Fiber (RoF) based optical fiber link system, may be used to increase the range of peer-to-peer communications. The optically-switched fiber optic communication system may include a head-end unit (HEU) having an optical switch bank. Fiber optic cables comprising optical fibers optically couple the HEU to one or more remote access points in different coverage areas. The optical switch bank in the HEU provides a link between the remote access points in the different coverage areas such that devices in the different cellular coverage areas can communicate with each other over the optical fibers through the HEU. By using the optically-switched fiber optic communication system, the range and coverage of communication between devices may be extended such that devices in different coverage areas and devices using different communication protocols can communicate.
    • 可以使用诸如基于光纤无线光纤链路系统的光交换光纤通信系统来增加对等通信的范围。 光交换光纤通信系统可以包括具有光开关组的头端单元(HEU)。 包含光纤的光纤光缆将HEU光学地耦合到不同覆盖区域中的一个或多个远程接入点。 HEU中的光开关组提供不同覆盖区域中的远程接入点之间的链路,使得不同蜂窝覆盖区域中的设备可以通过HEU通过光纤彼此通信。 通过使用光交换光纤通信系统,可以扩展设备之间的通信的范围和覆盖范围,使得不同覆盖区域中的设备和使用不同通信协议的设备可以通信。
    • 27. 发明申请
    • Location Tracking Using Fiber Optic Array Cables and Related Systems and Methods
    • 使用光纤阵列电缆和相关系统和方法进行位置跟踪
    • US20110019999A1
    • 2011-01-27
    • US12509099
    • 2009-07-24
    • Jacob GeorgeMichael SauerDean M. Thelen
    • Jacob GeorgeMichael SauerDean M. Thelen
    • H04B10/20
    • H04W4/023G01S5/14H04B10/25754H04B10/25756H04B10/808H04W16/26H04W84/12
    • Fiber optic array cables and related systems and methods to determine and/or track locations of objects are disclosed. The fiber optic array cables can be employed in an optical-fiber-based communication system, including a centralized optical-fiber based communication system. In one embodiment, the fiber optic array cable is configured to carry optical RF or radio-over-fiber (RoF) signals to establish communications with objects. The fiber optic array cable includes multiple reference units along the length of the cable. The reference units can be configured to convert received optical RF signals into electrical RF signals to establish RF communications with objects capable of receiving electrical RF signals. The reference units are also configured to convert received electrical RF signals from the objects into optical RF signals, which are then used to determine the location of the object. Having the availability of the multiple reference units on one or more the fiber optic array cables can provide enhanced reliability in tracking objects.
    • 公开了用于确定和/或跟踪物体位置的光纤阵列电缆及相关系统和方法。 光纤阵列电缆可以用在基于光纤的通信系统中,包括基于集中式光纤的通信系统。 在一个实施例中,光纤阵列电缆被配置为承载光学RF或无线电光纤(RoF)信号以建立与对象的通信。 光纤阵列电缆包括沿电缆长度的多个参考单元。 参考单元可以被配置为将接收的光学RF信号转换成电RF信号,以与能够接收电RF信号的对象建立RF通信。 参考单元还被配置为将来自物体的接收的电RF信号转换成光RF信号,然后将其用于确定物体的位置。 在一个或多个光纤阵列电缆上具有多个参考单元的可用性可以提供跟踪对象的增强的可靠性。
    • 28. 发明申请
    • Medical Instrument With A Flexible Sealing System
    • 具有柔性密封系统的医疗器械
    • US20100049145A1
    • 2010-02-25
    • US12507476
    • 2009-07-22
    • Elmar TeichtmannMichael Sauer
    • Elmar TeichtmannMichael Sauer
    • A61B17/34
    • A61B17/3462A61B2017/3464
    • A medical instrument has a cannula, a seal disposed in said cannula. An expansion device serves for expanding said opening in said seal for guiding shafts of other instruments of greater diameter in a sealed manner through the expanded opening. The expansion device has an expansion cone comprising a plurality of slats mounted pivotably on an annular body at a first end thereof, a second end of said slats, being connected to said seal in an area of said opening. The slats can either be connected at its first ends to said annular body via spherical heads engaged into corresponding openings in said annular body or said slats are connected at their ends via film hinges to said annular body.
    • 医疗器械具有插管,设置在所述套管中的密封件。 膨胀装置用于在所述密封件中膨胀所述开口,用于通过膨胀的开口以密封的方式引导具有较大直径的其它器械的轴。 膨胀装置具有膨胀锥体,该膨胀锥体包括在其第一端处可枢转地安装在环形体上的多个板条,所述板条的第二端在所述开口的区域中连接到所述密封件。 板条可以在其第一端处通过与所述环形体接合到相应开口中的球形头连接到所述环形体,或者所述板条的端部通过薄膜铰链连接到所述环形体。
    • 29. 发明授权
    • Ascorbic acid production from yeast
    • 酵母抗坏血酸生产
    • US07579171B2
    • 2009-08-25
    • US10606302
    • 2003-06-25
    • Danilo PorroMichael Sauer
    • Danilo PorroMichael Sauer
    • C12P21/00C12P7/00C12N1/15C12N15/63
    • C12N9/001C12N9/0006C12N9/18C12N15/52C12P17/04
    • Herein is disclosed a method of generating ascorbic acid from yeast. In one embodiment, the yeast is a Zygosaccharomyces spp. or a Kluyveromyces spp. growing in a medium comprising an ascorbic acid precursor. In a second embodiment the yeast is a recombinant yeast growing in a medium comprising an ascorbic acid precursor. Preferably the recombinant yeast is transformed with a coding region encoding an enzyme selected from L-galactose dehydrogenase (LGDH), L-galactono-1,4-lactone dehydrogenase (AGD), D-arabinose dehydrogenase (ARA), D-arabinono-1,4-lactone oxidase (ALO) or L-gulono-1,4-lactone oxidase (RGLO). The ascorbic acid precursor is preferably D-glucose, L-galactose, L-galactono-1,4-lactone, or L-gulono-1,4-lactone. In another preferred embodiment the ascorbic acid is accumulated in the medium at levels greater than background. Preferably, the yield of the conversion of the precursor to ascorbic acid is preferably at least about 35%.
    • 本文公开了从酵母产生抗坏血酸的方法。 在一个实施方案中,酵母是接合酵母属(Zygosaccharomyces spp)。 或克鲁维链霉菌属 在包含抗坏血酸前体的培养基中生长。 在第二个实施方案中,酵母是在包含抗坏血酸前体的培养基中生长的重组酵母。 优选地,用编码选自L-半乳糖脱氢酶(LGDH),L-半乳糖内酰-1,4-内酯脱氢酶(AGD),D-阿拉伯糖脱氢酶(ARA),D-阿拉伯聚糖-1 ,4-内酯氧化酶(ALO)或L-古洛酮-1,4-内酯氧化酶(RGLO)。 抗坏血酸前体优选为D-葡萄糖,L-半乳糖,L-半乳糖-1,4-内酯或L-古洛宁-1,4-内酯。 在另一个优选的实施方案中,抗坏血酸以大于背景的水平积累在培养基中。 优选地,前体转化成抗坏血酸的产率优选至少为约35%。