Method and apparatus of physically moving a portable unit to view an image of a stationary map
First Claim
1. A portable unit comprising:
- an image of a stationary map at a known scale;
a first location in said image displaced from a previously viewed second location in said image by a vector;
said vector has an approximately known angle and a known distance;
a screen of said portable unit displaying a portion of said image at said known scale;
said screen has a diagonal less than said distance;
said screen displaying said first location; and
said portion of said image is substantially superimposed over said image of said stationary map;
wherebysaid portable unit is moved by said approximately known angle and said known distance to search for said previously viewed second location until found.
2 Assignments
0 Petitions
Accused Products
Abstract
A background map remains stationary relative to a portable unit while the portable unit moves within a plane parallel to the screen of the portable unit. As the user moves the unit, images of the background map appear on the screen of the portable device. The user scans the stationary map presented on the screen of the portable unit. This has several benefits since now relative distances and angular displacements within the plane between objects that are outside of the range of the screen of the handheld unit can be immediately be located and placed into view on the screen of a portable unit. The handheld unit is like a Sliding Window which provides a view of this image of a stationary map lying in the background of the portable unit.
11 Citations
31 Claims
-
1. A portable unit comprising:
-
an image of a stationary map at a known scale; a first location in said image displaced from a previously viewed second location in said image by a vector; said vector has an approximately known angle and a known distance; a screen of said portable unit displaying a portion of said image at said known scale; said screen has a diagonal less than said distance; said screen displaying said first location; and said portion of said image is substantially superimposed over said image of said stationary map;
wherebysaid portable unit is moved by said approximately known angle and said known distance to search for said previously viewed second location until found. - View Dependent Claims (2, 3, 4, 5, 6, 7, 23, 24, 25, 26, 27)
-
-
8. A portable unit comprising:
-
an image of a stationary map stored at a known scale in a memory; a first location in said image displaced from a previously viewed second location in said image by a directional distance; said directional distance has a known angle and an approximately known distance; a screen of said portable unit displaying a portion of said image at said known scale; said screen has a diagonal less than said directional distance; said screen displaying said first location; and said portion of said image is substantially superimposed over said image of said stationary map; whereby said portable unit is moved along said known angle and said approximately known distance to search for said previously viewed second location until found. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 28, 29, 30, 31)
-
-
16. A method of moving a portable unit displaying a first location along a directional distance to search for a previously viewed second location until found comprising the steps of:
-
storing an image of a stationary map at a known scale in a memory; displaying on a screen of said portable unit a portion of said image with said first location at said known scale; knowing said previously viewed second location is displaced from said first location in said image by said directional distance, whereby said directional distance has a known direction and an approximately known distance; displaying said portion of said image at said known scale on said screen of said portable unit, whereby said screen has a diagonal less than said approximately known distance; displaying said first location on said screen; and substantially superimposing over said image of said stationary map said portion of said image; whereby said portable unit is moved along said known direction and said approximately known distance to search for said previously viewed second location until found. - View Dependent Claims (17, 18, 19, 20, 21, 22)
-
Specification