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公开(公告)号：US06754499B1
公开(公告)日：2004-06-22
申请号：US09713324
申请日：2000-11-16
申请人： David Smith
发明人： David Smith
IPC分类号： H04Q720
CPC分类号： H04B7/2656
摘要： A method of channel allocation in a Time Division Multiple Access (TDMA) telecommunications system in which timeslots are allocated to channels such that allocated timeslots form a group which is contiguous in the time domain, thereby reducing the number of bursts which overlap and thus mutually interfere.
摘要翻译： 一种在时分多址（TDMA）电信系统中的信道分配方法，其中时隙被分配给信道，使得分配的时隙形成在时域中是连续的组，从而减少重叠并因此相互干扰的突发数量 。
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82.发明授权公开(公告)号：US06413488B1
公开(公告)日：2002-07-02
申请号：US09355067
申请日：2000-06-19
申请人： David Smith , David Benayoun , Claude Dezael
发明人： David Smith , David Benayoun , Claude Dezael
IPC分类号： B01D5350
CPC分类号： B01D53/523 , C01B17/0205 , C01B17/0456 , C01B17/05
摘要： A process and an apparatus are described for treatment of a gas containing hydrogen sulphide and sulphur dioxide, for example a Claus plant tail gas, in which the gas is brought into contact with an organic solvent (1) e.g. polyethylene glycol 400, containing a catalyst e.g. sodium salicylate, in at least one gas-liquid reactor-contactor (2) and a gas (20) substantially no longer containing hydrogen sulphide and sulphur dioxide is recovered. A single-phase solution (4) of solvent and sulphur is extracted from the reactor-contactor and a portion is cooled in at least one cooling zone (8) to obtain a suspension of sulphur crystals in the solvent, the crystallised sulphur is separated from the solvent in a separation zone (10), the sulphur-depleted solvent (14, 15) is recovered and recycled at least in part to the reactor-contactor (2), and the sulphur (13) is recovered.
摘要翻译： 描述了一种用于处理含有硫化氢和二氧化硫的气体的方法和装置，例如克劳斯植物尾气，其中气体与有机溶剂（1）接触。 聚乙二醇400，含有催化剂 在至少一个气液反应器 - 接触器（2）和基本上不再含有硫化氢和二氧化硫的气体（20）中回收水杨酸钠。 从反应器 - 接触器中提取溶剂和硫的单相溶液（4），并在至少一个冷却区（8）中冷却一部分，以获得溶剂中硫结晶的悬浮液，将结晶的硫从 分离区（10）中的溶剂，贫硫溶剂（14,15）被回收并至少部分地再循环到反应器 - 接触器（2）中，并回收硫（13）。
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公开(公告)号：US06213511B1
公开(公告)日：2001-04-10
申请号：US09101656
申请日：1999-03-15
申请人： Andrew John Downie , David Smith , Mike Hill , David Burke
发明人： Andrew John Downie , David Smith , Mike Hill , David Burke
IPC分类号： B60R2246
CPC分类号： B60R22/4619
摘要： A pretensioner for a vehicle safety restraint, for rapidly reducing slack in a safety restraint belt in the event of a crash situation, the pretensioner comprising a cable (1) connected at one end to a piston (3) at its other end to a belt rewinding mechanism, the piston (3) being slidably moveable in a cylinder (4) under action of pressure from a gas generator (15) sensitive to a crash indicator, wherein means (5) are provided for controlling the rate of acceleration of the cable (1) in the pretensioning direction, in dependence upon the condition of tension in the safety restraint belt which is to be pretensioned. This can be effected by blocking holes in a dividing plate or by using a continuously variable throttle arrangement such as a profiled throttle pin or a hollow space in the piston with a restrictable opening. The invention allows pretensioning forces to be automatically tailored to the requirements at the time of the crash and as a result provides more comfort to the vehicle occupant while maintaining the required strict safety standards.
摘要翻译： 一种用于车辆安全限制器的预紧器，用于在发生碰撞情况的情况下快速减小安全限制带中的松弛，预紧器包括一端连接到活塞（3）的电缆（1），其另一端连接到皮带 所述活塞（3）在来自对碰撞指示器敏感的气体发生器（15）的压力作用下在气缸（4）中可滑动地移动，其中设置有用于控制所述电缆的加速度的装置（5） （1）在预张紧方向上，这取决于要预张紧的安全限制带中的张力状况。 这可以通过分隔板中的孔或者通过使用具有可限制的开口的活塞中的诸如轮廓节流销或中空空间的连续可变节流装置来实现。 本发明允许预紧力自动适应于碰撞时的要求，并且因此为车辆乘员提供更多的舒适性，同时保持所要求的严格的安全标准。
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公开(公告)号：US06102743A
公开(公告)日：2000-08-15
申请号：US120168
申请日：1998-07-21
申请人： Ian David Haffenden , David Smith
发明人： Ian David Haffenden , David Smith
IPC分类号： H01R12/18 , G06K19/077 , H04M1/00 , H04M1/27 , H04M1/2745 , H04M1/275 , H04M1/738 , H01R24/00
CPC分类号： G06K19/07743
摘要： A data card connector is provided comprising connector contacts (74) for contacting data card contacts (73) to couple the data card contracts (73) to circuitry. The connector contacts (74) are positioned to contact respective data card contacts (73) when the data card (71) is located in the connector (72) in a first orientation (FIG. 7a), and so that only one data card contact (73b) is contacted by any one of them when the data card (71) is located in the connector (72) in a second orientation, 180 degrees rotated from the first (FIG. 7b).
摘要翻译： 提供了一种数据卡连接器，其包括用于接触数据卡触点（73）以将数据卡合约（73）耦合到电路的连接器触点（74）。 当数据卡（71）处于第一取向（图7a）位于连接器（72）中时，连接器触头（74）被定位成与相应的数据卡触点（73）相接触，并且使得只有一个数据卡触点 当数据卡（71）位于连接器（72）中时，第一方向（图7b）旋转180度的第二方向，使它们中的任意一个接触（73b）。
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公开(公告)号：US06070358A
公开(公告)日：2000-06-06
申请号：US22947
申请日：1998-02-12
摘要： A seed-containing growth medium comprising a flexible carrier sheet and a cover sheet overlying the carrier sheet, a plurality of non circular containment zones being defined by contact points between the carrier sheet and cover sheet, at least a selected number of non circular containment zones containing a seed, wherein the physical characteristics of the carrier sheet are different from those of the cover sheet at least in the following respects: the carrier sheet has a higher water retentive capacity than the cover sheet and the cover sheet is more easily penetrated than the carrier sheet.
摘要翻译： 一种含种子的生长培养基，其包含柔性载体片和覆盖在载体片上的覆盖片，多个非圆形容纳区，由载体片和覆盖片之间的接触点限定，至少选定数量的非圆形容纳区 其中载体片的物理特性至少在以下方面与载体片的物理特性不同：载体片具有比覆盖片更高的保水能力，并且覆盖片更容易穿透 载板。
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公开(公告)号：US5771470A
公开(公告)日：1998-06-23
申请号：US521901
申请日：1995-08-31
申请人： Ross Nimmo , David Smith
发明人： Ross Nimmo , David Smith
CPC分类号： H04B1/44
摘要： A portable radio transceiver has a gallium arsenide depletion mode n-channel field-effect transistor as the transmitter power supply amplifier which needs a negative supply applied to its gate to establish the correct working point. A positive power supply provides the power input to the gallium arsenide transistor and a high side switch in the form of a PMOS enhancement mode transistor is used to switch the transmitter on and off. The negative supply is also used to forward bias the gate of the PMOS transistor when conducting so as to reduce its forward conduction resistance thereby enabling a smaller transistor to be used which can be integrated with other low power devices used by the transceiver.
摘要翻译： 便携式无线电收发器具有砷化镓耗尽型n沟道场效应晶体管作为发射机电源放大器，其需要施加到其门的负电源以建立正确的工作点。 正电源提供对砷化镓晶体管的功率输入，并且使用PMOS增强型晶体管形式的高侧开关来切换发射器的接通和断开。 负电源还用于在导通时对PMOS晶体管的栅极进行正向偏压，以便减小其正向导通电阻，从而使得能够使用可与收发器使用的其它低功率器件集成的较小晶体管。
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公开(公告)号：US4266540A
公开(公告)日：1981-05-12
申请号：US951744
申请日：1978-10-13
申请人： Donald Panzik , David Smith
发明人： Donald Panzik , David Smith
CPC分类号： A61M16/06 , A61M16/125 , A61M2202/0208 , A61M2210/0618
摘要： An oxygen mask which covers only a patient's nose is attached to the patient by a flexible strap. A clip is attached to the outer surface of the mask to hold the portion of the mask firmly in place relative to the bridge of the patient's nose. An exhaust port is included in the mask. The mask also includes an integral mixing valve for mixing air and gas such as oxygen to achieve a prescribed percentage mixture as may be required for patient therapy. The mixing valve is supported by a support member attached to the mounting strap.
摘要翻译： 仅覆盖患者鼻部的氧气面罩通过柔性带连接到患者身上。 将夹子附接到面罩的外表面，以将面罩的该部分相对于病人鼻子的桥梁牢固地固定就位。 面罩中包含排气口。 掩模还包括用于混合空气和气体如氧气的整体混合阀，以达到患者治疗所需的规定百分比混合物。 混合阀由附接到安装带的支撑构件支撑。
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公开(公告)号：US12083963B2
公开(公告)日：2024-09-10
申请号：US17349116
申请日：2021-06-16
申请人： David Smith
发明人： David Smith
CPC分类号： B60R11/0217 , H04R1/025 , B60R2011/0052 , H04R2499/13
摘要： Systems and methods are disclosed herein for an audio speaker bracket for use water based and land-based vehicles and a method for installing the speaker to a mounting panel using at least one suspension member. The method permits the speaker to be supported by a secure attachment of the bracket to the vehicle is proposed.
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公开(公告)号：US20220402442A1
公开(公告)日：2022-12-22
申请号：US17349116
申请日：2021-06-16
申请人： David Smith
发明人： David Smith
摘要： Systems and methods are disclosed herein for an audio speaker bracket for use water based and land-based vehicles and a method for installing the speaker to a mounting panel using at least one suspension member. The method permits the speaker to be supported by a secure attachment of the bracket to the vehicle is proposed.
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公开(公告)号：US11299366B2
公开(公告)日：2022-04-12
申请号：US16824042
申请日：2020-03-19
申请人： David Smith
发明人： David Smith
摘要： A roll dispenser drawer insert apparatus for convenient storage and dispensing of rolled goods includes a housing that fits within a kitchen drawer. A pair of dowel supports is coupled to a housing left side and a housing right side within a housing inside. A dowel rod is coupled to the pair of dowel supports and secures a rolled good such as, but not limited to, aluminum foil, stretch wrap, wax paper, paper towels, and the like. A lid is hingingly coupled to the housing top side adjacent a housing back side and moves between a closed position covering an open portion of the housing top side and an open position exposing the open portion of the housing top side. A cutter is coupled to a lid underside of the lid adjacent a lid front side of the lid.
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