Navigation method and system
AssigneeAlpine Electronics, Inc.
InventorAndrew S. de Silva
Life of this patent
Estimating the term…
Abstract
A navigation method and system having a unique key arrangement in which a minimum number of keys is map scroll or map zoom in/out. Such key arrangement is formed on a steering wheel of a vehicle or on a panel of a portable navigation system. The key arrangement performs at least an enter key function and an up/down key function. The key arrangement changes a current status of the navigation system to a map scroll mode or a map zoom mode and scrolls a map image in a selected direction or sets a zoom scale of the map image.
Claims20
A navigation system for guiding a user to a destination, comprising:
- a key arrangement which performs at least an enter key function and an up/down key function, said key arrangement changing a current status of the navigation system to a map scroll mode or a map zoom mode and scrolling a map image in a selected direction or setting a zoom scale of the map image;
- wherein said key arrangement is mounted on a steering wheel of a vehicle or a panel of a portable navigation system.
A navigation method, comprising the following steps of:
- changing a current status of the navigation system to a map scroll mode or a map zoom mode by pressing either an up key or a down key;
- changing and selecting a map scroll direction or a map zoom-in or zoom-out mode sequentially on a screen of the navigation system by pressing an enter key;
- adjusting an amount of map scroll in the selected map scroll direction or a map zoom scale in the selected map zoom-in or zoom-out mode by pressing either the up key or the down key;
- and
- returning to an operation mode of the navigation system other than said map scroll mode or said map zoom mode by pressing a predetermined key.
Dependencies are inferred from the claim text.