White Papers

4 Human Presence Detection & Management
Introduction
As Information Handling Systems (IHSs) become more intelligent, the ability to maintain
or improve the key commercial tenets of Dell of most manageable, most secure and most
intelligent without compromise becomes essential as a North Star Direction. A key aspect
to this ability is the concept of the IHS being context-aware to attributes tied to user such
as persona, compute usage, habits, and attributes tied to environment such as ambient
brightness, location.
Non-intrusive Human Presence Detection (HPD) & management of HPD determinations
toward session & system management functionality are critical to this overall North Star
direction.
With the launch of the Dell Latitude 7400 2-in-1, Dell introduced the industry’s first
proximity sensor-based solution to accurately detect human presence in front of the PC,
based on Intel ® Context Sensing Technology.
This technology allows for the PC to accurately detect a human in close range and
provide robust alerting mechanisms to initiate system protections and wake events
based on user arrivals or departures.
Dell ExpressSign-In
Dell ExpressSign-In is the first solution provided by Dell based on the integrated PC
proximity sensor built into the Dell 7400 2-in-1 laptop. Dell ExpressSign-In is a Dell
developed Windows application which enables a feature set to detect human presence
and, when used in conjunction with Windows Hello face authentication, provides a
touchless wake from modern standby and login experience. Additionally, Dell
ExpressSign-In provides the capability to detect user departure and extend battery life
by dimming and locking the system automatically.
Dell ExpressSign-In utilizes human presence detection via an infrared based time of flight
sensor connected to the Dell 7400 2-in-1 chipset. This sensor and associated firmware
logic provides notification when a user has entered or exited the field of view of the
sensor.
With the launch of
the Dell Latitude
7400 2-in-1, Dell
introduced the
industry’s first
proximity sensor
based solution to
accurately detect
human presence
in front of the PC,
based on Intel
Context Sensing
Technology.