Navigation device with improved zoom functions

Details Navigation device with improved zoom functions Navigation device with improved zoom functions

2005-09-13

2009-11-03

Black, Thomas G (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S208000, C701S213000, C345S428000, C345S156000, C340S990000, C340S995140

Reexamination Certificate

active

07613566

ABSTRACT:
A navigation device with improved zoom functions is disclosed. The navigation device is generally operable to display a map with varying magnifications and perspectives to enable a user to increase or decrease magnification and perspective without creating a substantial and immediate change in perspective. Such a configuration reduces user confusion due to the elimination of substantial changes in perspective during magnification and demagnification.

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patent: 2001/0030667 (2001-10-01), Kelts
patent: 2004/0204849 (2004-10-01), Shipley et al.
patent: 2006/0074553 (2006-04-01), Foo et al.
patent: 2412281 (2005-09-01), None

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