Electronic Shelf Label Terminal Periodic Display Control
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Solution Overview
Problem
Electronic shelf label terminals face power consumption issues due to the need to remain in a standby state for synchronous signal reception, limiting their battery life and making synchronous signal-sending systems impractical for displaying large amounts of customer-oriented information.
Innovation Solution
The system employs a network of electronic shelf label terminals that display first and second images at predetermined intervals, with the second image being displayed for a duration n times longer than the first image, allowing for the consolidation of customer-oriented information across multiple terminals without constant signal reception, thus reducing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the synchronous signal-sending system is used to display customer-oriented information on multiple electronic shelf label terminals, then the information display capability is improved, but the power consumption increases due to continuous standby state for signal reception
Solution Approach 1:
The electronic shelf label terminal switches between a first display mode showing price information and a second display mode showing customer-oriented information at predetermined intervals. The control section controls the display section to display the second image for a time period that is n times longer than the display time of the first image, creating a periodic display pattern that balances information delivery with power conservation.
Solution Approach 2:
The terminal preliminarily stores both the first image (price information) and second image (customer-oriented information) in its memory before display. This preliminary preparation allows the terminal to switch between display modes without needing to continuously receive signals or process data in real-time, reducing the need for continuous power consumption.
2Speed
If the electronic shelf label terminal remains in standby state for synchronous signal reception, then the system responsiveness is improved, but the battery life decreases due to continuous power consumption
Solution Approach 1:
The terminal operates in periodic cycles, switching between active display modes and lower-power states. By displaying the second image for extended periods (n times longer than the first image), the system reduces the frequency of mode switches and signal reception events, thereby conserving battery power while maintaining acceptable responsiveness.
Solution Approach 2:
The terminal autonomously manages its display modes and power consumption based on predetermined intervals and stored information. The control section automatically switches between first and second display modes without requiring continuous external signaling, allowing the terminal to serve itself and reduce power consumption while maintaining functional responsiveness.
3Duration of action of moving object
If the display time of customer-oriented information is extended on each terminal, then the information delivery effectiveness is improved, but the frequency of updates across multiple terminals decreases
Solution Approach 1:
The system implements a periodic display schedule where each terminal shows the first image for a predetermined time and then displays the second image for an extended period (n times longer). This periodic structure allows individual terminals to display customer-oriented information effectively while the overall system maintains update rhythm through coordinated switching across multiple terminals.
Solution Approach 2:
The information display is segmented into two distinct modes: a brief first display mode for price information and an extended second display mode for customer-oriented information. This segmentation allows the system to balance between providing comprehensive information and maintaining update frequency, as different types of information receive appropriate display durations.
Data Source
AI summary
Each electronic shelf label terminal includes a display section, a first image storage section in which a first image containing the price of a commodity displayed on the commodity shelf equipped with the electronic shelf label terminal is stored, a second image storage section in which a second image consisting of n parts simultaneously displayed on each display section of n electronic shelf label terminals arranged in one direction is stored, and a control section configured to repeatedly carry out a control to continuously display the second image stored in the second image storage section for a time which is n times greater than the display time of the first image at a predetermined interval after displaying the first image stored in the first image storage section for a time at a predetermined interval on the display section.