Hand Gesture Lighting Control via Non-Contact Sensor
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Solution Overview
Problem
Conventional lighting apparatuses face challenges in providing a user-friendly and easily controllable lighting solution, particularly in kitchen environments, where adaptive lighting states and directional control are necessary without manual operation.
Innovation Solution
A lighting apparatus equipped with non-contact motion sensors that detect hand movements to toggle between illuminating and non-illuminating states, adjust brightness, and change the lit area's direction, utilizing a control system to manage LED lighting based on sensor inputs, allowing for intuitive operation similar to manual control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If non-contact motion sensors are used to detect hand movements for controlling lighting, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent replaces manual mechanical switching operations with non-contact motion sensing technology. The sensor detects hand movements through electromagnetic fields or optical means, eliminating the need for physical contact with switches or buttons. This substitution of mechanical control with field-based detection improves ease of operation while the integrated control system manages the added complexity.
Solution Approach 2:
The lighting system automatically detects and responds to user presence and hand movements without requiring manual activation. The controller autonomously adjusts lighting states based on sensor inputs, making the system self-serve the user's lighting needs. This reduces operational complexity for the user while the system handles the complexity internally.
2Adaptability or versatility
If multiple lighting states (illuminating and non-illuminating) are controlled by hand movement detection, then adaptability is improved, but device complexity increases
Solution Approach 1:
The lighting system dynamically transitions between different illumination states based on detected hand movements. The controller adjusts lighting parameters in real-time according to the sensor's detection of hand position and motion, enabling adaptive control of multiple lighting states. This dynamic response provides versatility while the control system manages the complexity of state transitions.
Solution Approach 2:
The system changes lighting parameters (illumination state, brightness levels) in response to hand movement detection. By varying these parameters based on sensor inputs, the system achieves multiple adaptable lighting states. The control system manages the complexity of parameter adjustments to provide versatile lighting control.
3Ease of operation
If non-contact sensors are positioned to detect hand movements, then ease of operation is improved, but the sensor may detect shadows or obstacles affecting detection accuracy
Solution Approach 1:
The sensor system incorporates feedback mechanisms to detect and compensate for obstacles or shadows that may interfere with hand movement detection. By monitoring sensor output variations and adjusting detection parameters, the system maintains measurement precision while preserving ease of operation. The feedback loop helps distinguish between actual hand movements and detection interference.
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 seamless control of lighting states and directional adjustments without manual intervention, enhancing user experience and operational efficiency in kitchen settings.
Implementation Method 1
a non-contact motion sensor arranged to sense a movement of a hand near the lighting apparatus
Data Source
AI summary
Of the various technological features disclosed in the present specification, a structure according to the one technological feature is as follows. A lighting apparatus changeable between an illuminating state and a non-illuminating state comprising: a non-contact motion sensor arranged to sense a movement of a hand near the lighting apparatus; and a controller arranged to control the lighting apparatus in the non-illuminating state to change from the non-illuminating state to the illuminating state in response to the movement of hand sensed by the non-contact motion sensor, and to control the lighting apparatus in the illuminating state to cause a change in illumination with the illuminating state kept in response to the same movement of hand sensed by the non-contact motion sensor.