Traffic information system
December 28, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesSystem for communication and automatic signalling between a plurality of motor vehicles 5117363 Vehicle guidance system Remotely controllable message broadcast system including central programming station, remote message transmitters and repeaters In-vehicle traffic congestion information system Electronic billboard and vehicle traffic control communication system Navigation apparatus for vehicles Vehicle navigation system Navigation system for motor vehicles Method of collecting traffic information, and system for performing the method InventorAssigneeApplicationNo. 580192 filed on 12/28/1995US Classes:340/905, Highway information (e.g., weather, speed limits, etc.)340/995.13, Traffic information701/117Traffic analysis or control of surface vehicleExaminersPrimary: Hofsass, JefferyAssistant: Tweel, John Jr. Attorney, Agent or FirmInternational ClassG08G 001/09Foreign Application Priority Data1994-12-28 JPAbstractDisclosed is a traffic information system high in the ability to collect information. An on-vehicle apparatus is carried on a vehicle, to collect traffic information such as traffic jam information, accident information and weather information. The on-vehicle apparatus comprises a car navigation system, where position information is sensed, and information relating to a traffic jam, an accident and weather are manually entered or are automatically sensed. The on-vehicle apparatus further comprises a laser radar, where the number of vehicles, the speeds of vehicles, and the shapes of vehicles are sensed, and traffic jam information and accident information are created based thereon. Various information collected by the vehicle are transmitted to a center via a repeater. Information processed by the center are transmitted to vehicles again.Other References
Field of SearchHighway information (e.g., weather, speed limits, etc.) | |
