Service App for Decoding LED and Audio Health Status Codes
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Solution Overview
Problem
Electronic devices often lack cost-effective and space-efficient methods for communicating system health status, as alpha-numeric displays and wired connections can be expensive and inconvenient.
Innovation Solution
Utilizing low-cost components like LEDs and speakers to transmit diagnostic information wirelessly to a service device, which is decoded using a camera or microphone to provide human-readable feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If alpha-numeric displays are used to communicate device health status, then information communication capability is improved, but device cost and size increase
Solution Approach 1:
The patent replaces the mechanical/optical display system (alpha-numeric display) with an acoustic communication system (speaker emitting audible tones). The health status information is encoded into audible frequency signals that can be transmitted through the air, eliminating the need for visual display components while maintaining information communication capability.
Solution Approach 2:
The patent changes the parameter of information transmission from visual (display screen) to acoustic (audible frequency). By encoding health status data into different audible frequency ranges, the system achieves the same information communication function using a different physical parameter, thereby reducing device complexity and cost.
2Reliability
If wired cable connections are used to check diagnostic status, then reliable data transmission is improved, but ease of operation deteriorates due to cable and port requirements
Solution Approach 1:
The patent replaces the mechanical cable-and-port connection system with a wireless acoustic communication system. Diagnostic data is transmitted through audible frequency signals emitted by a speaker, eliminating the need for physical cable connections and ports, thereby significantly improving ease of operation while maintaining data transmission capability.
Solution Approach 2:
The patent introduces sound waves as an intermediary medium for data transmission. Instead of direct electrical connection through cables, health status information is encoded into audible frequency signals that travel through the air as an intermediary, enabling wireless communication between the device and external diagnostic tools.
3Device complexity
If simple LED indicators are used to show device status, then device cost is reduced, but information communication capability deteriorates due to lack of detailed diagnostic data
Solution Approach 1:
The patent changes the parameter of information encoding from simple visual states (LED on/off) to complex acoustic frequency modulation. By using different audible frequency ranges and patterns, the system can encode detailed diagnostic information including specific error codes, component status, and system health metrics, thereby maintaining low device complexity while significantly improving information communication capability.
Solution Approach 2:
The patent employs periodic acoustic signals with varying frequencies and patterns to encode diagnostic information. Different health status conditions are represented by different frequency modulations and temporal patterns of the audible tones, allowing detailed information communication through simple periodic sound waves without requiring complex hardware.
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 efficient and cost-effective communication of device health status without the need for alpha-numeric displays or wired connections, facilitating maintenance and repair.
Implementation Method 1
utilizing low-cost components like LEDs... to transmit diagnostic information wirelessly... which is decoded using a camera
Implementation Method 2
utilizing low-cost components like LEDs and speakers to transmit diagnostic information wirelessly... which is decoded using a camera or microphone
Data Source
AI summary
A system for transmitting a health status code from a first device that has no alpha-numeric display capability to a second device utilized by a service technician. The health status transmitted by a series of lights and/or sounds provided by the first device. Determining on the second device from the series of blinks or sounds the health status code transmitted by the first device. In some cases, decoding may include providing repair information to the service technician. In some cases, decoding may involve transmission from the second device to a remote computer and receipt of information pertaining to the decoding from the remote computer prior to presenting information to the service technician.