Electronic map

A pocket sized electronic map with a changeable disk facility. Disks used in the disk facility carry a map of a city. The device has a scroll facility allowing the display of any route in any direction; this route may be highlighted. The device allows the first part of a street name to be entered so...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: JAMES PATRICK MCNALLY
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A pocket sized electronic map with a changeable disk facility. Disks used in the disk facility carry a map of a city. The device has a scroll facility allowing the display of any route in any direction; this route may be highlighted. The device allows the first part of a street name to be entered so that that street may be located on the map device. The device is equipped with an illumination means to permit use in poor light. The device is arranged so that it may be powered either from mains electricity or from a battery.