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1025 results about "Personal area network" patented technology

A personal area network (PAN) is a computer network for interconnecting devices centered on an individual person's workspace. A PAN provides data transmission among devices such as computers, smartphones, tablets and personal digital assistants. PANs can be used for communication among the personal devices themselves, or for connecting to a higher level network and the Internet where one master device takes up the role as gateway. A PAN may be wireless or carried over wired interfaces such as USB.

Wearable communication system

A portable data input or computer system includes an input / output device such as a keyboard and a display, another data input device such as an optical bar code scanner, and a data processor module. To scan bar code type indicia, the operator points the scanner at the bar code and triggers the scanner to read the indicia. All the system components are distributed on an operator's body and together form a personal area system (PAS). Components may include a scanner or imager, a wrist unit, a headpiece including an eyepiece display, speaker and a microphone. Components within a particular PAS communicate with each other over a personal area network (PAN). Individual PASs may be combined into a network of PASs called a PAS cluster. PASs in a particular PAS cluster can communicate with each other over another wireless communication channel. Individual PAS can gain access to a Local Area Network (LAN) and / or a Wide Area Network (WAN) via an access point. Individual PASs can use devices, such as servers and PCs situated either on the LAN or the WAN to retrieve and exchange information. Individual PAS components can provide automatic speech and image recognition. PAS components may also act a telephone, a pager, or any other communication device having access to a LAN or a WAN. Transmission of digitized voice and / or video data can be achieved over an Internet link.
Owner:SYMBOL TECH INC

System and method for providing seamless roaming

A communication system is provided in which a client device can communicate with a server via any one of plural communication networks, such as a WWAN, a WLAN, a wired LAN, a personal area network (e.g., Bluetooth), and any other networking architecture. More specifically, the communication client comprises a connection manager that is adapted to determine availability of each the plural communication networks to communicate data between the client and the server, select one of the communication networks from the available ones of the plural communication networks in accordance with predetermined preferences, and establish a connection with the selected one of the communication networks. The client may further comprise a client application. The connection manager provides a notification message to the client application upon establishment of the communication link. The client application then communicates data to and from the server via the selected one of the communication networks. In an alternative embodiment of the invention, the communication system further includes an intelligent queuing system, comprising a client-side queue on the communication client and a server-side queue on the server. The connection manager is further adapted to determine cost associated with communicating the data on available ones of the plural communication networks and provide that information to the client-side queue. The client-side queue determines whether to communicate the data via the selected one of the communication networks based in part on the determined cost.
Owner:INTERMEC IP CORP

Distance-aware service discovery mechanism for determining the availability of remote services in wireless personal area networks

The present invention refers to a method for extending replicated service discovery information for determining the availability of requested remote services in a client/server-based network environment (400), wherein each of a multiplicity of client terminals (402) is connected to a single file and/or application server (404, 405) of a specific service provider via a wireless multi-hop network which is based on a store-and-forward messaging principle, i.e. a wireless Personal Area Network (PAN) based on Bluetooth technology. Thereby, said service discovery information is needed for a selection of the optimal service provider. The method comprises the steps of providing (S1) network distance information indicating the number of intermediate network nodes (406) acting as forwarding servers for accessing remotely accessible services between a client terminal (402) and a number of file and/or application servers (404, 405) within said wireless wireless multi-hop network and selecting (S2) a requested remote service running on a file and/or application server (404) of a specific service provider at a network distance in the physical proximity of the respective client terminal (402) which can be reached from said client terminal (402) with a minimum of forwarding delay based on said network distance information.
According to one embodiment of the invention, service discovery information is dynamically adapted (S3) to information concerning varying resource availability and/or changing link characteristics within said wireless multi-hop network. In this connection, cached service discovery information is marked as active (S3a) only as long as a file and/or application server (404, 405) participates in a wireless communication session with the respective client terminal (402) and marked as inactive (S3b) after the connection between said server (404, 405) and the respective client terminal (402) is closed and a predefined time-out period has expired, thereby discarding (S3c) outdated service discovery information. According to a further embodiment, information indicating the usage of requested remote services is taken into account during the process of selecting (S2) a specific remote service.
Owner:SONY DEUT GMBH
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