摘要:
A wireless communications device with positioning capabilities is used to mark a boundary of a virtual operations area, and used to mark one or more obstacles within the boundary. Virtual operations may be conducted by users having a wireless communications device, and the wireless communications device generates an alert when a user violates the boundary or is within a preset proximity to an obstacle.
摘要:
The subject matter disclosed herein relates to a system and method for acquiring signal received from satellite vehicles (SVs) in a satellite navigation system. In one example, although claimed subject matter is not so limited, information processed in acquiring a signal from a first SV may be used in acquiring a signal from a second SV.
摘要:
A sensor-based touchscreen assembly for use with a display panel is configured to determine a location on the display panel touched by a user. The sensor-based touchscreen assembly employs at least three sensors mounted on the display panel at different locations. The sensor-based touchscreen assembly further includes a controller coupled to the sensors. The controller is operable to determine a location on the display panel touched by a user by computing a time of difference of arrival (TDOA) of a signal (mechanical or sound wave) emitted from a touch to the sensors.
摘要:
A wireless communication device, known as a mobile station (MS), contains a conventional wireless communication system and further comprises a wireless computer network communication subsystem and may also include GPS capability. The operator of the MS may utilize any or all of these subsystems to determine the current position of the MS. Based on the current position of the MS, location-based services are provided to the MS as sales information, schedules, prices, maps, and the like. In a typical implementation a plurality of computer network access points, or beacons, are distributed throughout a geographic region and used to determine the position of the MS with a reasonably high degree of accuracy. Based on the current position of the MS, the beacons can provide location-based services.