Abstract: A mobile traffic controller to aid pedestrians includes a wireless transmitter and receiver that are configured to communicate with a traffic signal or a traffic control system. In response to a user request, the transmitter sends a traffic control request to a traffic signal or a traffic system controller. The request is acknowledged, and when appropriate, the mobile traffic controller receives a message indicating that a crossing is authorized. The mobile controller can include a vibro-tactile or audio output device for communication with the user. In addition, position and orientation systems can be included so that the user can be directed along a preferred path or alerted that a predetermined or legally established passage zone has been exited or is about to be exited.

Abstract: A mobile traffic controller to aid pedestrians includes a wireless transmitter and receiver that are configured to communicate with a traffic signal or a traffic control system. In response to a user request, the transmitter sends a traffic control request to a traffic signal or a traffic system controller. The request is acknowledged, and when appropriate, the mobile traffic controller receives a message indicating that a crossing is authorized. The mobile controller can include a vibro-tactile or audio output device for communication with the user. In addition, position and orientation systems can be included so that the user can be directed along a preferred path or alerted that a predetermined or legally established passage zone has been exited or is about to be exited.

Abstract: Network protocol for efficient distributed control. A packet used to implement an embodiment of the invention includes a routing control list, routing control data, and a data field. The routing control list identifies a node responsible for passing the packet. The routing control data identifies a first communication media to be used to pass the packet to the identified node and a second communication media to be used to pass the packet from the identified node. The data field contains electronic data being transmitted by the packet.