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24985 results about "Transmission system" patented technology

In telecommunications, a transmission system is a system that transmits a signal from one place to another. The signal can be an electrical, optical or radio signal. Some transmission systems contain multipliers, which amplify a signal prior to re-transmission, or regenerators, which attempt to reconstruct and re-shape the coded message before re-transmission.

End of life transmission system for surgical instruments

A powered handle for a surgical instrument includes a processor and a component. The component has a usage limit and is configured to transmit a signature to the processor when the component is in proximity to its usage limit. The signature is configured to provide indicia directly to a user that the component is in proximity to its usage limit before the handle is used

Powered surgical instrument having a transmission system

A powered surgical apparatus for engaging tissue includes a housing assembly and a movable portion operatively connected to the housing assembly. The movable portion is movable with respect to the housing assembly. In addition, the surgical apparatus includes a power source configured to supply electrical power, and a transmission system configured to transfer at least one of a signal and electrical power between the handle assembly and the movable portion, the transmission system including a first electronic board disposed in the handle assembly and a second electronic board positioned in the movable portion, the second electronic board including a primary control circuit and a secondary control circuit wherein the movable portion is configured and adapted to rotate about a longitudinal axis defined by the powered surgical apparatus.

Power transmission line inspection system based on fixed-wing unmanned aerial vehicle

InactiveCN103163881AImprove the effectiveness of inspection workSolve the problem of difficult macro inspectionVehicle position/course/altitude controlPosition/direction controlFly controlEngineering
The invention discloses a power transmission line inspection system based on a fixed-wing unmanned aerial vehicle. The power transmission line inspection system based on the fixed-wing unmanned aerial vehicle comprises a ground station and a fixed-wing unmanned aerial vehicle, wherein the ground station comprises a ground control system, an image receiving system, and a data processing system, the fixed-wing unmanned aerial vehicle comprises an unmanned aerial vehicle body, a remote sensing monitoring device, a real-time detection device, an image transmission system, an instruction receiving system, a power system, and a flying control system. The remote sensing monitoring device is used for collecting image information in an area of a power transmission line at a fixed time or a fixed distance or a fixed spot, the real-time detection device is used for collecting information in the area of the power transmission line in real time, and the remote sensing monitoring device and the real-time detection device are arranged on the unmanned aerial vehicle body in a front-and-back adjacent and direct-to-ground mode. The power transmission line inspection system based on the fixed-wing unmanned aerial vehicle is capable of conducting periodical or emergent macroscopic inspections on the power transmission line and accessory equipment of the power transmission line, so that labor intensity of manual power transmission line inspection work is greatly reduced, and power transmission line inspection efficiency is improved.

Pre-coded diversity forward channel transmission system for wireless communications systems supporting multiple MIMO transmission modes

A wireless communications system supporting multiple MIMO transmission modes supporting both diversity and directional transmissions under a plurality of different transmission modes comprises a plurality of transmit and receive antenna elements where the transmit antenna elements are arranged to provide polarization diversity. The transmitting station derives actual knowledge of the forward channel by feeding back certain information such as a preferred beam index and a channel quality indicator figure of merit for that beam from the receiving station to the transmitting station along a reverse channel. The receiving station knows the beam weights used by the transmitting station. The transmitting station applies the fed back information to transmit user data intended for the receiving station in the optimal fashion, such as along the preferred beam and at a time when forward channel conditions are satisfactory. The system provides robust single or multiple stream diversity transmission, together with the option of single user or multi-user beamforming to allow on-the-fly trade-offs between coverage gain and capacity in a wireless telecommunications system.

Method and system for packet communication employing path diversity

Communication over lossy packet networks such as the Internet is hampered by limited bandwidth and packet loss. The present invention provides a path diversity transmission system for improving the quality of communication over a lossy packet network. The path diversity transmission system explicitly sends different subsets of packets over different paths, thereby enabling the end-to-end application to effectively see an average path behavior. Generally, seeing this average path behavior provides better performance than seeing the behavior of any individual random path. For example, the probability that all of the multiple paths are simultaneously congested is much less than the probability that a single path is congested. The resulting path diversity can provide a number of benefits, including enabling real-time multimedia communication and simplifying system design (e.g., error correction system design). Two exemplary architectures for achieving path diversity are described herein. The first architecture is based on source routing, and the second architecture is based on a relay infrastructure. The second architecture routes traffic through semi-intelligent nodes at strategic locations in the Internet, thereby providing a service of improved reliability while leveraging the infrastructure of the Internet.

Message transmission system for users of location-aware mobile communication devices in a local area network

Embodiments of a location-based social network manager process are described. The process is executed on a server computer coupled to a plurality of mobile communication devices over a wireless network. Each mobile device is a location-aware mobile communication device. The process determines the geographic location of a mobile communication device operated by a user within an area, displays a map representation of the area around the mobile communication device on a graphical user interface of the mobile communication device, and superimposes on the map the respective locations of one or more other users of mobile communication devices coupled to the mobile communication device over the network. The process establishes communication links between the user and the plurality of acquaintances through respective location aware mobile communication devices through a network protocol. The user can create one or more groups of acquaintances based on one or more characteristics common to members of each group. The process facilitates the transmission of a user specified message or a pre-defined message to one or more acquaintances of the groups of acquaintances within a pre-defined distance to the user. The contents of the user specified message and pre-defined message is based on the characteristics of the group and the relative distance of the members to the user. The process can also be configured to automatically transmit a message to a user who is within a pre-defined distance to a point of interest within the displayed area.

System and method for generating metadata for segments of a video program

A system provides evaluation of individual segments of a video program in accordance with a viewer's viewing preferences. The system included a server that receives production data for a program including descriptive information and timing information, and that generates individual metadata for each program segment. The system further includes a client device that receives the individual metadata and processes the metadata in accordance with a viewer profile to determine the desirability of each program segment for the viewer. The client device may record desirable segments or alert the viewer about desirable segments. The server may provide the metadata to the client through a programming event transmission system or through the internet. The metadata and viewer profile may utilize a classification hierarchy. A related device generates metadata for video program segments. The device receives production data for a program that includes descriptive information and timing information, determines time data and descriptive data for individual segments of the program, and generates individual metadata corresponding to each program segment. Each metadata comprises an identifier of the program, and time data and descriptive data for the program segment. The individual metadata for each segment of the program enables separate evaluation of each program segment with respect to a given viewer's viewing preferences. The metadata may utilize a classification hierarchy. Another related device provides metadata for segments of a video program to consumers. The device obtains production data for a program from production equipment in a production studio where the program is produced. The production data is provided to a metadata generator, which returns individual metadata corresponding to individual segments of the program. The individual metadata are provided for transmission through a programming event transmission system in advance of the corresponding program segments. The individual metadata enable separate evaluation of each program segment with respect to a given viewer's viewing preferences. The metadata may be encoded for transmission and may utilize a classification hierarchy. Related processes in the aforementioned devices are also disclosed.

Contactless electrical energy transmission system having a primary side current feedback control and soft-switched secondary side rectifier

A contactless electrical energy transmission system includes a transformer having a primary winding that is coupled to a power source through a primary resonant circuit and a secondary winding that is coupled to a load through a secondary resonant circuit. The primary and secondary resonant circuits are inductively coupled to each other. A primary control circuit detects current changes through the primary resonant circuit to control the switching frequency of a controllable switching device for maintaining a substantially constant energy transfer between the primary winding and secondary winding in response to at least one of a power source voltage change and a load change. As a result, excessive circulating energy of the CEET system is minimized providing a tight regulation of the output voltage over the entire load and input voltage ranges without any feedback connection between the primary side and the secondary side.

High bandwidth data transport system

The present invention provides for a methods, system, and apparatus relating to data transmission. One method of the present invention includes representing data using at least one pulse based on a Gaussian wave form, sending the at least one pulse over an electrically conductive guided media, and recovering the data from the at least one pulse. The present invention can be used in conjunction with telephony applications, cable tv applications, and data bus applications.
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