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A map display system for an automobile, in which a map is projected on a screen by optical magnification of a portion of a map disposed on a movable slide. A portion of the slide contains a list of locations such as cities, governmental institutions and points of interest, with an optical positionin

A map display system for an automobile, in which a map is projected on a screen by optical magnification of a portion of a map disposed on a movable slide. A portion of the slide contains a list of locations such as cities, governmental institutions and points of interest, with an optical positioning code adjacent to each item of the list. Means is provided for automatically positioning the slide to display a selected location on the list, and for showing successive locations on the display in accordance with a prearranged itinerary as the automobile traverses the locations.

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A map display system for a motor vehicle, comprising: a slide holder for a slide having (i) a map portion comprising a projectable highway map and (ii) an index portion comprising a projectable list of locations and an optical coordinate position code corresponding to each location of said list; coo

A map display system for a motor vehicle, comprising: a slide holder for a slide having (i) a map portion comprising a projectable highway map and (ii) an index portion comprising a projectable list of locations and an optical coordinate position code corresponding to each location of said list; coordinate control servomechanism means for positioning said slide holder in accordance with X-position and Y-position coordinate control signals; optical map projection means for displaying on a first screen a magnified image of a selected part of the map portion of said slide; optical index projection means mounted on said slide holder for displaying on a second screen a magnified image of at least one selected item of said list of locations; index decoding means optically coupled to said index portion of said slide and responsive to said coordinate position code for generating X-position and Y-position coordinate designation signals cooresponding to said selected item; an index register for storing said coordinate designation signals; and means coupled to said index register and operative in a location display mode of said system for generating said coordinate control signals to cause said slide holder to move to a position in which a location corresponding to said selected item of said list is displayed on said screen.