Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1996-08-09
1997-11-18
Downs, Robert W.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
395 12, 351210, 345156, G06F 1500, G06F 1720
Patent
active
056896190
ABSTRACT:
The invention consists of an eyetracker, a display driver, an adaptive display interface controller, and a digital computer. A user of the invention can operate a heads-up display (or a head mounted display) with an eyetracker, leaving his hands free to perform a manual control task. The user selects a display element from an array of choices on the heads-up display by gazing at an element while he activates a confirming mechanism. Both tasks share a common visual working area with overlaid visual images, and task interference is reduced since eye-movements and visual attention are dedicated to the same display surface.
The adaptive display interface automatically aids the user in display operations during high manual task loading. The adaptive interface is driven by an electronic Expert System on human visual processes programmed as a Fuzzy Logic controller. The controller generates display cueing aids, under computer control, in response to the erratic eye movement patterns that occur during cognitive conflict. The cueing aids help the user to operate the display with a sequence of discrete eye gazes and confirming actions which only momentarily interrupt the manual control task.
As cueing aids, the invention provides a timing logic for element enhancement, and display markers for task feedback. While the aids would be disruptive at low cognitive loading, they provide necessary timing and memory prompts at high loadings. The element enhancement timing logic allows the user to momentarily look at the display and then return his attention to the tracking task before executing confirmation. The display cues show the user where he is looking on the display relative to the element to be selected.
REFERENCES:
patent: 4109145 (1978-08-01), Graf
patent: 4595990 (1986-06-01), Garwin
patent: 4648052 (1987-03-01), Friedman
patent: 4836670 (1989-06-01), Hutchinson
patent: 4946271 (1990-08-01), Palsgard
patent: 4973149 (1990-11-01), Hutchinson
patent: 5204703 (1993-04-01), Hutchinson
patent: 5260734 (1993-11-01), Shindo
patent: 5327160 (1994-07-01), Asher
patent: 5367315 (1994-11-01), Pan
patent: 5471542 (1995-11-01), Ragland
patent: 5481622 (1996-01-01), Gerhardt
patent: 5491492 (1996-02-01), Knapp
patent: 5565888 (1996-10-01), Selker
patent: 5579048 (1996-11-01), Hirasawa
Smyth, "The use of single event evoked cerebral potentials to predict stius identifications," Proceedings of the human factors society 34th annual meeting p1431, 1990, Dec. 1990.
Smyth and dominessy, "Comparison of oculometer and head-fixed recticle with voice or switch and touch panel for data entry on a generic tactical air combat display," Nov. 1989 AMCMS code 612716.H700011, technical memorandum 21-89, US Army human enginerring la, Nov. 1989.
Clohan Paul S.
Downs Robert W.
Kronsnick Freda L.
Smith Jeffrey S.
The United States of America as represented by the Secretary of
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