IP Library › Granted Patent US 12,693,717
Granted Patent B2
US 12,693,717 · App. 19/031,318 · Granted Jul 28, 2026

Enhanced field of view to augment three-dimensional (3D) sensory space for free-space gesture interpretation

Inventors: David S. Holz (San Francisco, CA); Paul Durdik (Foster City, CA)
Assignee: SIM IP HXR LLC
G06F1/1686G02B5/04G02B5/045G02B7/1805G06F3/005G06F3/017G06F3/0425H04N23/67H04N23/90G06F1/1629G06F2200/1633
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Quick Facts
Patent No.
US 12,693,717
App. No.
19/031,318
Filed
Jan 17, 2025
Granted
Jul 28, 2026
Kind
B2
Art Unit
2629
USPC
348/369
Abstract

The technology disclosed relates to enhancing the fields of view of one or more cameras of a gesture recognition system for augmenting the three-dimensional (3D) sensory space of the gesture recognition system. The augmented 3D sensory space allows for inclusion of previously uncaptured of regions and points for which gestures can be interpreted i.e. blind spots of the cameras of the gesture recognition system. Some examples of such blind spots include areas underneath the cameras and/or within 20-85 degrees of a tangential axis of the cameras. In particular, the technology disclosed uses a Fresnel prismatic element and/or a triangular prism element to redirect the optical axis of the cameras, giving the cameras fields of view that cover at least 45 to 80 degrees from tangential to the vertical axis of a display screen on which the cameras are mounted.

Claims (40)

1 . A method for enhancing a field of view of at least one camera mounted to a display of an electronic device, the display having a vertical axis, the method comprising:

capturing video images by a camera with an optical axis facing within 20 degrees of tangential to the vertical axis of the display;

using at least one optical element, redirecting the optical axis of the camera, thereby giving the camera a field of view that covers at least 45 to 80 degrees from tangential to the vertical axis of the display; and

compensating by a camera controller coupled to the camera, for redirection by the optical element.

2 . The method of claim 1 , further comprising:

modifying the optical axis of the camera using a bender that bends or reorients the optical element of the camera.

3 . The method of claim 1 , further comprising:

redirecting at least one illumination source to cover an effective area of the field of view of the camera.

4 . The method of claim 1 , further comprising:

redirecting, by the at least one optical element, the optical axis of the camera, giving the camera a field of view that covers at least 20 to 85 degrees from tangential to the vertical axis of the display.

5 . The method of claim 1 , wherein a second camera is mounted to the display with an optical axis facing within 20 degrees of tangential to the vertical axis of the display, wherein the second camera is different from the at least one camera, the method further including:

not redirecting, by the optical element, the optical axis of the second camera.

6 . The method of claim 1 , wherein the display is at least one of planar or cylindrical.

7 . The method of claim 1 , wherein the optical element comprises an optical film.

8 . A method for enhancing a field of view of at least one camera mounted relative to a display of an electronic device, the display having a vertical axis, the method comprising:

capturing video images by a camera with an optical axis facing within 20 degrees of tangential to the vertical axis of the display;

using at least one prismatic optical element, redirecting the optical axis of the camera, thereby giving the camera a field of view that covers at least 45 to 80 degrees from tangential to the vertical axis of the display; and

compensating by a camera controller coupled to the camera, for redirection by the at least one prismatic optical element.

9 . The method of claim 8 , further comprising:

modifying the optical axis of the camera.

10 . The method of claim 8 , further comprising:

redirecting at least one illumination source to cover an effective area of the field of view of the camera.

11 . The method of claim 8 , further comprising:

redirecting by the at least one prismatic optical element, the optical axis of the camera, thereby giving the camera a field of view that covers at least 20 to 85 degrees from tangential to the vertical axis of the display.

12 . The method of claim 8 , wherein at least one camera is mounted to the display with an optical axis facing within 20 degrees of tangential to the vertical axis of the display, wherein the camera is different from the camera of claim 8 , the method further comprising:

not redirecting, by the prismatic optical element, the optical axis of the camera.

13 . The method of claim 8 , wherein the display is at least one of planar or cylindrical.

14 . The method of claim 8 , wherein the prismatic optical element comprises an optical film.

15 . A method for enhancing a field of view of at least one camera of a portable electronic device with a display screen, the display screen having a vertical axis, the method comprising:

capturing video images by one camera with an optical axis facing within 20 degrees of tangential to the vertical axis of the display screen;

using an optical element, redirecting the optical axis of the camera, thereby giving the camera a field of view that covers at least 45 to 80 degrees from tangential to the vertical axis of the display screen; and

compensating by a camera controller coupled to the camera, for redirection by the optical element.

16 . The method of claim 15 , wherein the optical element comprises an optical film.

17 . The method of claim 15 , further comprising:

modify the optical axis of the camera using a bender that bends or reorients the optical element of the camera.

18 . The method of claim 15 , further comprising:

redirecting at least one illumination source to cover an effective area of the field of view of the camera.

19 . The method of claim 15 , further comprising:

redirecting by the optical element, the optical axis of the camera, giving the camera a field of view that covers at least 20 to 85 degrees from tangential to the vertical axis of the display screen.

20 . The method of claim 15 , wherein at least one other camera is mounted to the portable electronic device with an optical axis facing within 20 degrees of tangential to the vertical axis of the display screen, wherein the other camera is different from the at least one camera, wherein the optical axis of the other camera remains substantially constant.

Assignments (6)
SECURITY INTEREST Recorded Apr 6, 2026
From: SIM IP HXR LLC
To: UNITY MASTER LLC SERIES XIX
Reel/Frame 075365/0907 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2026
From: ULTRAHAPTICS IP TWO LIMITED
To: SIM IP HXR LLC
Reel/Frame 075132/0001 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 16, 2026
From: ULTRAHAPTICS LIMITED; ULTRAHAPTICS IP LIMITED; ULTRAHAPTICS IP TWO LIMITED; ULTRALEAP LIMITED
To: SIM IP HXR LLC
Reel/Frame 074404/0463 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2025
From: HOLZ, DAVID S.; DURDIK, PAUL A.
To: LEAP MOTION, INC.
Reel/Frame 070034/0510 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2025
From: LEAP MOTION, INC.
To: LMI LIQUIDATING CO. LLC
Reel/Frame 070035/0677 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 28, 2025
From: LMI LIQUIDATING CO. LLC
To: ULTRAHAPTICS IP TWO LIMITED
Reel/Frame 070035/0873 →
Continuity (8)
Continuation 18370338 · Sep 19, 2023
Continuation 17901542 · Sep 1, 2022
Continuation 17189111 · Mar 1, 2021
Continuation 16283693 · Feb 22, 2019
Continuation 15493091 · Apr 20, 2017
Continuation 14506596 · Oct 3, 2014
Provisional Application 61886586 · Oct 3, 2013
Related Publication 20250165045A1 · May 22, 2025
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