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    • 8. 发明授权
    • Satellite communications system
    • 卫星通信系统
    • US07289460B1
    • 2007-10-30
    • US10462094
    • 2003-06-12
    • John C. ThackerSteven R. PetersonScott BlanchardGregory E. Edlund
    • John C. ThackerSteven R. PetersonScott BlanchardGregory E. Edlund
    • H04B7/216
    • H04B7/216H04B7/18543
    • Embodiments of the present invention are directed to a satellite communications system between satellites and terminal units that are sufficiently small to be handheld units and that operate within the earth power flux density limit. This is accomplished by using spreading spectrum waveform protocols that make efficient use of the allocated bandwidth. In one embodiment, a satellite communications system comprises at least one satellite, and at least one ground station each corresponding to one of the at least one satellite. Each ground station includes a spread spectrum transmitter and a spread spectrum receiver. Each of a plurality of mobile terminals includes a spread spectrum transmitter and a spread spectrum receiver. The spread spectrum transmitter of the at least one ground station is configured to communicate via the corresponding satellite with the spread spectrum receivers of the mobile terminals, and the spread spectrum receiver of the at least one ground station is configured to communicate via the satellite with the spread spectrum transmitter of the mobile terminals, using spread spectrum signals generated from baseband information signals narrower in bandwidth than the spread spectrum signals.
    • 本发明的实施例涉及卫星和终端单元之间的卫星通信系统,该系统足够小以成为手持设备并且在地面功率通量密度极限内运行。 这是通过使用扩展频谱波形协议来实现的,该协议能够有效地利用分配的带宽。 在一个实施例中,卫星通信系统包括至少一个卫星和至少一个地面站,每个地面站对应于至少一个卫星之一。 每个地面站包括扩频发射机和扩频接收机。 多个移动终端中的每一个包括扩频发射机和扩频接收机。 所述至少一个地面站的扩频发射器经配置以经由所述对应卫星与所述移动终端的扩频接收机进行通信,并且所述至少一个地面站的所述扩频接收机经配置以经由所述卫星与 使用从扩展频谱信号带宽窄的基带信息信号生成的扩频信号。
    • 9. 发明授权
    • Screw-in vent plug for lead-acid batteries
    • 铅酸蓄电池的螺丝孔
    • US07101640B1
    • 2006-09-05
    • US09705566
    • 2000-11-03
    • William H. KumpSteven R. Peterson
    • William H. KumpSteven R. Peterson
    • H01M2/12
    • H01M2/1205H01M2/1211Y10T29/49108Y10T29/4911
    • A venting plug for a wet, lead-acid storage battery, a battery containing the same, a method of molding the venting plug body, and a mold for molding the venting plug body are disclosed. The sealing surfaces of the venting plug do not include a mold parting line along which acid from inside of the battery could seep between the seal and sealing surfaces. The venting plug body, however, includes a coupling structure that includes a mold parting line. The sealing surfaces of the venting plug body are molded by a single plate such that no mold parting line results along the sealing surfaces, while the coupling structure is molded by plurality of mold components such that a mold parting line results in the vicinity of the coupling structure.
    • 公开了一种用于湿铅酸蓄电池的排气塞,含有该蓄电池的电池,含有该蓄电池的电池,一个模制排气塞本体的方法和一个用于模制通气塞体的模具。 排气塞的密封表面不包括模具分型线,电池内部的酸沿着该分型线在密封和密封表面之间渗透。 然而,排气塞体包括包括模具分型线的联接结构。 排气塞主体的密封表面由单个板模制,使得沿着密封表面不产生模具分型线,而联接结构由多个模具部件模制,使得模具分型线导致联接器附近 结构体。
    • 10. 发明授权
    • Detachable rope handle assembly for a battery
    • 用于电池的可拆卸的绳柄组件
    • US06428927B2
    • 2002-08-06
    • US09453118
    • 1999-12-02
    • William H. KumpSteven R. Peterson
    • William H. KumpSteven R. Peterson
    • H01M210
    • A45F5/10H01M2/1005Y10T29/49108
    • A battery including a rope handle which engages a handle bracket on a conventional battery container. The rope handle includes a grip and a rope, the proximal end of the rope being molded into, or otherwise secured to, the grip and a cylindrical plug molded on the distal end of the rope. The grip includes a retaining recess comprising a counterbore presenting a bearing surface, and lateral slot between the upper and lower surfaces of the grip and extending radially from the counterbore to present a substantially keyhole-shaped opening. In assembly, the distal end of the rope is advanced laterally through the slot portion of the keyhole-shaped opening until the counterbore is positioned subjacent the plug. The plug is then moved downward into the counterbore. To hide the rope ends in the preferred embodiment, a cover can be snapped in place over the top of the grip.
    • 一种电池,包括与常规电池容器上的把手支架接合的绳把手。 绳把手包括手柄和绳索,绳索的近端被模制或固定在手柄上,以及模制在绳索的远端上的圆柱塞。 把手包括保持凹槽,该保持凹部包括具有支承表面的沉孔,以及位于把手的上表面和下表面之间的横向槽,并且从沉孔径向延伸,以呈现基本上为锁眼形的开口。 在组装中,绳索的远端横向穿过锁眼形开口的狭槽部分,直到沉头孔位于塞子的下方。 然后将塞子向下移动到沉孔中。 为了在优选实施例中隐藏绳索端部,可以将盖子卡扣在手柄顶部的适当位置。