Video Bar ToF Device Positioning
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Solution Overview
Problem
Existing systems lack an efficient method to determine the distance, location, position, and orientation of devices in a conference room, which is crucial for effective video conferencing and device management.
Innovation Solution
A video bar equipped with a processor and memory, capable of transmitting signals, receiving acknowledgments, and performing Time-of-Flight (ToF) calculations to determine distances, while also capturing images and rendering displays based on device orientations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If Time-of-Flight (ToF) calculations are used to determine device distance and location, then measurement precision is improved, but device complexity increases due to the need for signal transmission and reception infrastructure
Solution Approach 1:
The system uses the existing communication infrastructure (Bluetooth or Wi-Fi) of the client IHS to perform ToF measurements. The client device's own transceiver is utilized for signal transmission and reception, eliminating the need for separate dedicated ranging hardware and reducing overall system complexity.
Solution Approach 2:
The video bar integrates multiple functions including signal transmission, image capture, display rendering, and ToF calculation within a single device. Similarly, the client IHS performs both its primary communication function and the secondary function of distance measurement using the same hardware components, reducing the need for additional specialized devices.
2Adaptability or versatility
If the video bar captures images and determines device orientations to select appropriate cameras and displays, then adaptability is improved, but processing time increases due to the additional calculation and selection steps
Solution Approach 1:
The video bar continuously captures images and determines device orientations in advance, before the actual camera and display selection is needed. This allows the system to pre-process orientation data and have selection decisions ready when needed, reducing perceived processing time during critical moments.
Solution Approach 2:
The system uses the determined device orientations as feedback to automatically select the most appropriate cameras and displays for the current conference setup. This closed-loop approach ensures optimal device selection based on real-time spatial information without requiring manual intervention or repeated trial-and-error selections.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate determination of device positions and orientations, allowing for intelligent selection of cameras and displays, and creation of virtual maps, thereby enhancing the efficiency and effectiveness of conference room operations.
Implementation Method 1
determine a distance between the video bar and the client IHS based, at least in part, upon a ToF calculation, where the ToF calculation is based, at least in part, upon a difference between: (i) a time the acknowledgment is received, and (ii) a time of the transmission
Data Source
AI summary
Systems and methods for determining the distance, location, position, and orientation of devices in a conference room using a video bar are described. In an illustrative, non-limiting embodiment, a video bar may include a processor and a memory coupled to the processor, the memory having program instructions stored thereon that, upon execution by the processor, cause the video bar to: transmit a signal in a conference room; in response to the transmission, receive an acknowledgement from a client Information Handling System (IHS) in the conference room, and determine a distance between the video bar and the client IHS based, at least in part, upon a Time-of-Flight (ToF) calculation, where the ToF calculation is based, at least in part, upon a difference between: (i) a time the acknowledgement is received, and (ii) a time of the transmission.