公开(公告)号：US20220321561A1

公开(公告)日：2022-10-06

申请号：US17808172

申请日：2022-06-22

Applicant: Microsoft Technology Licensing, LLC

Inventor： Raju JAIN ,  Dipesh BHATTARAI ,  Peter Gregory DAVIS ,  Jeffrey JOHNSON ,  Liang ZHANG ,  Kiran KUMAR

IPC: H04L9/40 ,  H04W12/63

Abstract: A communal computing device, such as an interactive digital whiteboard, can become unlocked if a user is near the device. The communal computing device may use a sensor such as a camera to capture images of a person and obtain an identifier from a personal device such as a smartphone. A cloud-based provider that is trusted by both the communal computing device and the personal device may associate both the image and the identifier of the personal device with the same user identity. Obtaining the user identity from multiple, different sources provides a secure technique for the communal computing device to recognize a user without the user directly interacting with the communal computing device. If the sensor no longer detects the user or the personal device is no longer detected, then the communal computing device may log off the user. The personal device may be used to confirm log off.

公开(公告)号：US20180335808A1

公开(公告)日：2018-11-22

申请号：US15599632

申请日：2017-05-19

Applicant: Microsoft Technology Licensing, LLC

Inventor： Brett Andrew TOMKY ,  Liang ZHANG ,  Bonggwon JI

IPC: G06F1/16 ,  E05D11/08

CPC classification number: G06F1/1681 ,  E05D11/08 ,  E05D11/087 ,  E05Y2900/606 ,  G06F1/16 ,  G06F1/1616

Abstract: A friction hinge is described. Generally, the friction hinge provides a variable torque profile for a movable component. In an example, the friction hinge includes a hinge frame; a pivot member pivotably engaged with the hinge frame, the pivot member being attached to a support component movably attached to a device; an elongated member attached to the to hinge frame, the elongated member having a ramped surface on at least a first portion of the elongated member; and an engagement member slidably engaged with the elongated member, the engagement member configured to slide along the elongated member during pivoting of the pivot member relative to the hinge frame, the sliding of the engagement member along the taped surface of the elongated member causing variations in a sliding friction based on an amount of change in surface height over longitudinal distance of the ramped surface and contributing to a torque profile of the hinge.