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US Patent 9625723 Eye-tracking system using a freeform prism

Patent 9625723 was granted and assigned to Microsoft on April, 2017 by the United States Patent and Trademark Office.

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US Patent 12135430 Active optical engine
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US Patent 11966058 Ultra-thin lens, virtual image display device using same, and near-eye display
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US Patent 11966048 Head-mounted devices with dual gaze tracking systems
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US Patent 11940625 Light-guide display with reflector
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US Patent 11940612 Viewing optic with an integrated display system
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US Patent 11921279 Viewing optic with an integrated display system
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Patent abstract

An example see-through head-mounted display system includes a freeform prism and a display device configured to emit display light through the freeform prism to an eye of a user. The see-through head-mounted display system may also include an imaging device having an entrance pupil positioned at a back focal plane of the freeform prism, the imaging device configured to receive gaze-detection light reflected from the eye and directed through the freeform prism.

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Patent Inventor Names
Scott McEldowney0
Steve Robbins0
Xinye Lou0
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US Patent 11714224 Optical systems including light-guide optical elements with two-dimensional expansion
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US Patent 11669161 Enhancing the performance of near-to-eye vision systems
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=096257230
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US Patent 09625723 Eye-tracking system using a freeform prism US Patent 9625723 Eye-tracking system using a freeform prism

Infobox
Patent Number
096257230
Patent Number
96257230
Edits on 5 Oct, 2022
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Infobox
Is a
Patent
Patent
0
Patent Applicant
Microsoft
Microsoft
0
Current Assignee
Microsoft
Microsoft
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
096257230
Date of Patent
April 18, 2017
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Patent Application Number
139269680
Date Filed
June 25, 2013
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=096257230
Patent Primary Examiner
‌
Jay Patel
0
Edits on 15 Jun, 2022
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=09625723
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created this topic on 11 Jan, 2022
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 US Patent 09625723 Eye-tracking system using a freeform prism

Infobox
Is a
Patent
Patent
Patent applicant
Microsoft
Microsoft
Current assignee
Microsoft
Microsoft
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
09625723
Date of patent
April 18, 2017
Patent application number
13926968
Date Filed
June 25, 2013
Patent primary examiner
‌
Jay Patel

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