Digital Photo Frame Infrared Sensor Mode Switching
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional digital photo frames lack energy-saving features and do not support a monitor function, leading to unnecessary energy consumption when unattended and failing to meet the growing demands for multi-functional devices.
Innovation Solution
A digital photo frame equipped with an infrared sensor, camera control circuit, and counter to detect human presence, allowing it to switch between monitor and display modes, minimizing power consumption by entering a standby mode when no human is detected and automatically switching modes based on image comparisons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by stationary object
If the digital photo frame operates continuously to display images, then the display function is maintained, but energy consumption increases unnecessarily when no one is viewing
Solution Approach 1:
The digital photo frame automatically detects human presence using an infrared sensor and autonomously switches between display mode and standby mode without user intervention. The system serves itself by monitoring the environment and adjusting its operational state based on detected infrared signals, eliminating the need for manual power on/off operations.
Solution Approach 2:
The power consumption state of the digital photo frame is made dynamic rather than static. The system transitions between two distinct operational modes (display mode with full power and standby mode with reduced power) based on real-time detection of human presence, allowing the device to adapt its energy consumption to actual usage conditions.
2Adaptability or versatility
If the digital photo frame is equipped with additional functions like monitor capability, then versatility is improved, but device complexity increases
Solution Approach 1:
The digital photo frame is designed to perform multiple functions using shared hardware resources. The display screen serves both as a photo display device and as a monitor screen, while the camera control circuit handles both photo capture and monitoring tasks. This multi-functionality approach allows the system to provide diverse capabilities without proportionally increasing hardware complexity.
Solution Approach 2:
The patent combines the photo display function and monitor function into a single integrated system. The same display screen, camera control circuit, and processing unit are used for both photograph display and real-time monitoring tasks, merging what could have been separate devices into one unified platform that reduces overall system complexity.
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
The solution effectively reduces power consumption by entering a low-power standby mode when no human is present and automatically switches between display and monitor modes, enhancing user experience and meeting consumer demands for multi-functional capabilities.
Implementation Method 1
The infrared sensor is configured to detect infrared light and generate a first detecting signal when the infrared light is detected and generate a second detecting signal when the detected infrared light is no longer detectable
Data Source
AI summary
An exemplary digital photo frame includes an image memory configured for storing a display image, a display device configured for reading and displaying the display image, an infrared sensor configured for detecting infrared light, generating a first detecting signal when the infrared light is detected, generating a second detecting signal when the detected infrared light is no longer detectable, and a camera control circuit including a reference image therein. The camera control circuit generates an instant image and compares the instant image with the reference image when the first detecting signal is generated. The digital photo frame is configured to operate in a monitor mode or a display mode according to a comparing result when the infrared light is detected.