UWB Smartphone Positioning for Accurate Second-Device Control Windows
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Solution Overview
Problem
Existing electronic devices incur high costs due to the need for precise positioning circuits or modules to accurately display control windows, and mis-display can occur when pointing to unintended devices, leading to user inconvenience.
Innovation Solution
A first electronic device uses an ultra-wideband module and inertia measurement unit to determine the position and orientation of a second electronic device without requiring upgrades or replacements, enabling accurate control window display and reducing mis-display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If precise positioning circuits or modules are configured for second electronic devices, then control window display accuracy is improved, but device cost increases significantly
Solution Approach 1:
The patent introduces a first electronic device (smartphone) as an intermediary that performs positioning and identification functions. Instead of equipping each second electronic device with precise positioning circuits, the smartphone uses its own positioning module to determine its location relative to the second device, thereby avoiding the need for expensive positioning hardware in the second device while achieving accurate control window display.
Solution Approach 2:
The patent creates a virtual copy of the second electronic device's control interface on the first electronic device's display screen. This virtual control window replicates the functionality of the physical second device, allowing users to control it remotely without needing precise positioning hardware in the second device itself.
2Measurement precision
If second electronic devices are equipped with positioning modules, then control window can be displayed accurately, but implementation complexity increases
Solution Approach 1:
The first electronic device serves as a mediator that handles all positioning and identification computations. It uses its own positioning module to calculate the relative position between itself and the second device, eliminating the need for the second device to have positioning capabilities while maintaining accurate control window display.
Solution Approach 2:
The first electronic device performs multiple functions including positioning, device identification, and control interface display. By consolidating these functions in the smartphone rather than distributing them across multiple devices with positioning modules, the system reduces overall implementation complexity.
3Ease of operation
If first electronic device points to second electronic device from back, then control window is displayed, but user convenience deteriorates due to mis-display
Solution Approach 1:
The patent implements a feedback mechanism where the system calculates the relative position between the first and second devices based on positioning data. It then determines whether the first device is in a valid position to control the second device (e.g., within a certain angular range). Only when the position validation passes does the system display the control window, preventing mis-display when the device is pointed from the back or at invalid angles.
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
Facilitates low-cost, precise control window display and improves user experience by ensuring the first electronic device accurately identifies and controls the intended second electronic device, even without additional hardware upgrades.
Implementation Method 1
The first electronic device communicates with a first ultra-wideband base station through ultra-wideband wireless communication. The first electronic device obtains, through the ultra-wideband wireless communication, coordinates of the first electronic device that are based on the first ultra-wideband base station.
Implementation Method 2
a first direction in which the first electronic device is inclined, where the first direction is determined by using a gravitational acceleration of the first electronic device
Data Source
AI summary
In accordance with an embodiment, a first electronic device is configured to communicate with a first ultra-wideband base station via ultra-wideband wireless communication and receive coordinates of the first electronic device that are based on a relative location between the first electronic device and the first ultra-wideband base station. The first electronic device is further configured to display a control window of a second electronic device in response to detecting that the first electronic device is located in a front area of the second electronic device and points to the second electronic device.