Headlamp Tap Gesture Interface for Temporary Brightness Boost
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Solution Overview
Problem
Existing headlamps with dynamic lighting technology lack flexibility and ergonomics in their user interfaces, despite advancements in automatic profile identification and lighting adaptation.
Innovation Solution
Incorporating an accelerometer and control unit to create a highly intuitive user interface that allows for immediate and temporary brightness increases on demand through the detection of specific finger taps, utilizing digital filtering and mapping of accelerometer data to execute user commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If automatic profile identification and lighting adaptation are implemented, then lighting performance and battery efficiency are improved, but user interface flexibility and ergonomics deteriorate
Solution Approach 1:
The headlamp automatically identifies activity profiles and adjusts lighting parameters without user intervention, making the system serve itself by using accelerometer data to autonomously optimize lighting performance and battery efficiency
Solution Approach 2:
The system dynamically adapts lighting parameters based on detected activity profiles, enabling flexible response to different usage scenarios while maintaining automatic operation
2Ease of operation
If manual adjustments are added to switch between beam power levels, then user interface flexibility is improved, but hands-free operation and focus on activity are compromised
Solution Approach 1:
The patent replaces manual mechanical adjustment with accelerometer-based gesture detection, where finger taps on the headlamp housing trigger lighting changes without requiring manual dials or switches
Solution Approach 2:
The accelerometer serves as an intermediary between user intent and lighting control, translating physical gestures into lighting commands while maintaining hands-free operation
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
Enhances ergonomics and ease of use by enabling temporary brightness boosts with simple finger gestures, improving the flexibility and intuitiveness of the headlamp's operation.
Implementation Method 1
an accelerometer which is configured to provide at regular intervals data representative of an acceleration of the headlamp
Implementation Method 2
The control module is configured to digitally store and process data representative of acceleration by means of digital filtering, including high-pass filtering allowing detection of a double peak exceeding a predetermined threshold during a defined period
Implementation Method 3
a light sensor for capturing light from the environment of the lamp wearer, the control module being configured to generate the information or control signal according to the information generated by the light sensor
Implementation Method 4
a light source comprising one or more LED diodes; a power module for generating a current supply to said light source
Data Source
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AI summary
- a light source (231); - a power module (230) to generate a current supply for said light source (231); - a control module (220) for adjusting the light intensity generated by said light source; a light sensor (120) to capture light from the environment of the lamp wearer, said control module (220) controlling the brightness of the lamp according to the information generated by the light sensor (120); - an accelerometer (110) configured to provide at regular intervals data representative of an acceleration of the headlamp transmitted to the control module configured to process this data along at least one horizontal axis, with high-pass filtering in order to detect a double peak occurring within a predefined time, allowing the triggering of a temporary increase in brightness.