Optical navigation apparatus using fixed beacons and a centroid sensing device
First Claim
1. An optical navigation system for determining a pose of an object in an environment, said optical navigation system comprising:
- a) a plurality of beacons at predetermined locations in said environment for providing an electromagnetic radiation in a sequenced pattern;
b) an on-board optic for imaging said electromagnetic radiation onto an on-board centroid sensing device for determining a centroid of an imaged distribution of said electromagnetic radiation;
c) a navigation unit for determining said pose from said centroid.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to an optical navigation system for determining a pose, which includes the position and orientation of an object in an environment. The optical navigation system uses a number of beacons affixed at known locations in the environment to provide electromagnetic radiation in a sequenced pattern. An on-board optic images the radiation from the beacons onto an on-board centroid sensing device to obtain an imaged distribution of the radiation on the on-board centroid sensing device. The centroid sensing device determines the centroid of the imaged distribution and provides centroid information to a navigation unit for determining the pose of the object from the centroid. The navigation system is particularly well-suited for navigating hand-held objects.
-
Citations
32 Claims
-
1. An optical navigation system for determining a pose of an object in an environment, said optical navigation system comprising:
-
a) a plurality of beacons at predetermined locations in said environment for providing an electromagnetic radiation in a sequenced pattern; b) an on-board optic for imaging said electromagnetic radiation onto an on-board centroid sensing device for determining a centroid of an imaged distribution of said electromagnetic radiation; c) a navigation unit for determining said pose from said centroid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
-
23. A method for optically determining a pose of an object in an environment, said method comprising:
-
a) affixing a plurality of beacons at predetermined locations in said environment for providing an electromagnetic radiation in a sequenced pattern; b) providing said object with an on-board optic for imaging said electromagnetic radiation onto an on-board centroid sensing device for determining a centroid of an imaged distribution of said electromagnetic radiation; c) determining said pose from said centroid. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32)
-
Specification