发明名称 System for setting up and keeping up-to-date datafiles for road traffic
摘要 A road inventory system includes a mobile unit and a stationary unit. The mobile unit includes a vehicle which has a metric database for delivering information relating to an area to be surveyed, a plurality of video cameras taking pictures of respective parts of the area on a first recording medium with associated address signals, and a data recording apparatus which records on a second recording medium relevant data from the database together with vehicle motion information, the data recording apparatus producing the address signals. The stationary unit includes a video display for reproducing on several screens the video information on the first recording medium, a data reproducing apparatus for reproducing the data recorded on the second recording medium and storing it in a data inventory system, and a data processing arrangement for combining and recording on a third recording medium a selection of the video and data information from the first and second recording mediums.
申请公布号 US4994971(A) 申请公布日期 1991.02.19
申请号 US19890295176 申请日期 1989.01.06
申请人 POELSTRA, THEO J. 发明人 POELSTRA, THEO J.
分类号 G09B29/10;B60R16/02;G01C21/00;G06F17/30;G06F17/50 主分类号 G09B29/10
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