Thermal Imaging Viewfinder Control for Low-Light Energy Saving
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Solution Overview
Problem
Existing electro-optic observation devices, such as thermal imaging devices, face challenges in optimizing energy efficiency and minimizing light emission during non-use, particularly in low-light conditions, without requiring user intervention.
Innovation Solution
Implementing a proximity sensor and position sensor to detect user presence and device orientation, enabling automatic activation or deactivation of the electronic viewfinder and shutter functions based on predefined criteria, such as absence or non-use, to conserve energy and avoid light emission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the electronic viewfinder and shutter remain active during non-use, then operational readiness is maintained, but energy consumption increases and unnecessary light emission occurs
Solution Approach 1:
The system performs preliminary detection of user presence using proximity sensors and position sensors before activating or deactivating the viewfinder and shutter. By detecting whether the user is present in the predefined distance range and whether the device is in a use position, the system proactively prepares the appropriate operational state, switching to energy-saving mode when no user is detected while maintaining immediate readiness when user presence is confirmed.
2Use of energy by moving object
If the viewfinder is deactivated during non-use, then energy efficiency is improved, but user access time increases
Solution Approach 1:
The system continuously monitors user presence through proximity sensors and position sensors, creating a feedback loop that automatically switches the viewfinder and shutter between active and deactivated states. When the sensor detects that the user approaches within the predefined distance range or positions the device in a use orientation, the system immediately activates the components, ensuring minimal access time while maintaining energy efficiency during non-use periods.
3Ease of operation
If automatic sensor-based control is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The observation device serves itself by automatically detecting user presence and device orientation through integrated proximity and position sensors, then autonomously controlling the activation and deactivation of the viewfinder and shutter without requiring manual user input. The control unit processes sensor signals and executes appropriate control actions, enabling the device to manage its own operational state based on detected conditions.
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 energy efficiency by automatically deactivating the viewfinder and shutter during non-use, reducing unnecessary light emission and conserving battery life, while maintaining operational readiness for immediate user access.
Implementation Method 1
a predefined distance range in front of the (electronic) viewfinder is monitored for presence of a user with a proximity sensor
Implementation Method 2
a position variable that is characteristic of the orientation of the observation device is captured with a position sensor
Data Source
AI summary
A method is provided for operating an electro-optic observation device, in particular a thermal imaging device, which includes an electronic viewfinder, a proximity sensor and a position sensor. According to the method, a predefined distance range in front of the viewfinder is monitored for a presence of a user with the proximity sensor, a position variable which is characteristic of the orientation of the observation device is captured with the position sensor, information concerning a current use situation of the observation device is derived from the presence of the user within the distance range and/or the position variable, and at least one specific function of the observation device that influences an image display is activated or at least enabled depending on the information concerning the current use situation.