HANDHELD SYNTHETIC VISION DEVICE
4 Assignments
0 Petitions
Accused Products
Abstract
A handheld synthetic vision system includes a display, a sensor suite and a computer all housed in a handheld unit. The system enhances normal vision by displaying to a user actual or digitally created visual scenes of objects and information that may or may not be perceptible to unaided human senses.
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Citations
28 Claims
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1-16. -16. (canceled)
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17. A synthetic vision system comprising:
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a video imagery source configured to acquire and supply a real-time actual image; a synthetic vision database having graphic objects stored therein; a handheld unit; a sensor suite housed within the handheld unit, the sensor suite comprising position and attitude sensors for reporting position and attitude data, respectively; a display housed within the handheld unit and configured to render images of actual or digitally created scenes; and a computer housed within the handheld unit and in communication with the video imagery source, the synthetic vision database, the sensor suite, and the display, the computer configured to; (i) receive the position and attitude data from the sensor suite and compute a view frustum, (ii) selectively retrieve graphic objects from the synthetic vision database, (iii) command the display to render, in three dimensional perspective, an image of (a) the real-time actual image that lies wholly or partially within the view frustum and (b) graphic objects selectively retrieved from the synthetic vision database that lie wholly or partially within the view frustum, wherein the image is rendered on the display with an expanded field of view, the expanded field of view being wider than a user field of view when the user is holding the handheld unit and looking at the image on the display. - View Dependent Claims (19, 20, 21, 22)
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23. A synthetic vision system comprising:
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a handheld unit; a sensor suite housed within the handheld unit, the sensor suite comprising position and attitude sensors for reporting position and attitude data, respectively, and a range finder for detecting and measuring distances to objects and reporting measured distance data; a display housed within the handheld unit and configured to render actual or digitally created scenes; and a computer housed within the handheld unit and in communication with the sensor suite and the display, the computer configured to (i) receive the position data, the attitude data, and the measure distance data from the sensor suite, (ii) compute a view frustum, (iii) compare computed distances to the detected objects with the distances measured by the range finder, and (iv) command the display to render, in three dimensional perspective, an image of actual or digitally created scenes that lie wholly or partially within the view frustum, wherein; the image includes the detected objects, and the detected objects are rendered in styles that indicate their relative distances. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification