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    • 1. 发明专利
    • Hydraulic thrust producing implement
    • AU4940093A
    • 1994-04-12
    • AU4940093
    • 1993-09-16
    • JAMES ANDREW FRAME
    • FRAME JAMES ANDREW
    • E02F1/00E02F3/96E02F5/28E02F9/00B63B35/73
    • A submersible thrust producing implement for use in combination with an excavator, the excavator being of the type having a boom and a stick with an attachment end on the stick for attaching the implement, which boom and stick can be extended and retracted to selectively submerge the attachment end to a predetermined location in a body of water, and having a hydraulic power system for actuating the boom, the stick, and the implement. The implement comprises: a housing; a propeller mounted on the housing for rotation about a first axis; apparatus for driving the propeller to produce a current of water away from the housing sufficient to produce a predetermined thrusting force; a first rotating device for selectively rotating the housing about a second axis perpendicular to the first axis to control the direction of the thrusting force in a first plane; and a second rotating device for selectively rotating the housing about a third axis perpendicular to both the first axis and the second axis to control the direction of the thrusting force in a second plane. When the excavator is positioned upon a vessel floating on a body of water, the thrusting force may be selectively directed to be utilized either for propelling the barge on the body of water or for dredging the bottom of the body of water.
    • 4. 发明申请
    • Connecting a VOIP phone call using a shared POTS line
    • 使用共享POTS线连接VOIP电话
    • US20060007915A1
    • 2006-01-12
    • US10888603
    • 2004-07-09
    • Andrew Frame
    • Andrew Frame
    • H04L12/66
    • H04M7/0057H04M7/0069
    • A decentralized architecture allows a plain old telephone system (POTS) line to be shared for use. Routing logic is handled by a voice over Internet protocol (VOIP) control system and by logic in an initiating analog telephone adapter (ATA). A destination ATA is selected based upon the phone number of a destination phone. Routing information for a destination ATA is communicated to the initiating ATA, and the initiating ATA communicates a media stream to the destination ATA. The system and method enables lower cost routing than currently available, relieves a caller at an initiating phone from having to select whether to use VOIP or the PSTN, and relieves the caller from dialing special phone numbers.
    • 分散架构允许将普通的旧电话系统(POTS)线路共享使用。 路由逻辑由互联网语音协议(VOIP)控制系统和起始模拟电话适配器(ATA)中的逻辑来处理。 基于目的地电话的电话号码选择目的地ATA。 将目的地ATA的路由信息​​传送到发起ATA,并且发起ATA将媒体流传送到目的地ATA。 该系统和方法能够实现比当前可用的更低成本的路由,从而不需要选择是使用VOIP还是PSTN,从而减轻主叫方拨打特殊电话号码。