公开(公告)号：US10164476B2

公开(公告)日：2018-12-25

申请号：US15370924

申请日：2016-12-06

Applicant: X Development LLC

Inventor： Brian Adolf ,  Michael Grundmann ,  Eric Liu

IPC: H02J50/40 ,  H02J50/12 ,  H02J7/02 ,  H02J50/90 ,  H02J50/80

Abstract: Described herein are methods and systems for facilitating a wireless power handover. In particular, a controller may cause a first transmitter to provide electrical power to a receiver. The controller may then determine that a handover condition is met and may responsively facilitate a handover to a second transmitter. During this handover, the controller may engage in a phase-determination process to determine first and second phases at which the first and second transmitters should respectively provide electrical power to the receiver. Once determined, the controller may then cause the first and second transmitters to respectively provide electrical power to the receiver at the first and second phases and at substantially the same time. Subsequently, the controller may cause the first transmitter to no longer provide electrical power to the receiver and the second transmitter to continue to provide electrical power to the receiver, thereby completing the handover.

公开(公告)号：US09891516B1

公开(公告)日：2018-02-13

申请号：US15297579

申请日：2016-10-19

Applicant: X Development LLC

Inventor： Richard DeVaul ,  Brian Adolf

IPC: G03B21/60 ,  G03B21/602 ,  H04N9/31 ,  H04N13/04

CPC classification number: G03B21/602 ,  H04N9/3129 ,  H04N9/3152 ,  H04N9/3194 ,  H04N9/3197 ,  H04N13/307 ,  H04N13/363

Abstract: The present disclosure relates to methods for calibrating a light field projection system that includes a screen having convex reflective elements. One example method for calibrating a light field projection system includes scanning the plurality of convex reflective elements with light modulated according to a baseline intensity profile. The method also includes detecting a light intensity profile of the scanned light using a light detector at a first perspective. The method further includes comparing the detected light intensity profile to an expected light intensity profile and modifying operation of a control system that determines light field modulation schemes for projecting light fields to account for any differences between the detected intensity profile and the expected intensity profile. The detector may be moved to a second perspective and the previously steps of the method may be repeated from the second perspective of the light detector.