Timing Unit for Sub-Millisecond Response Measurement
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Solution Overview
Problem
Current computing devices, such as laptops and smartphones, introduce latency and variable bias when generating and measuring rhythmic responses, making it difficult to accurately assess a human's ability to maintain a synchronized beat, which is linked to neurological skills like language and auditory processing.
Innovation Solution
A system comprising a timing unit with a circuit and timer that generates a reference signal and receives a trigger signal from user input, providing precise timing data through a communication channel to a computing unit for accurate measurement and flexible adaptation across various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If current computing devices (laptops, smartphones) are used to generate reference signals and measure response timing, then device availability and accessibility are improved, but measurement precision and timing accuracy deteriorate due to latency and variable bias
Solution Approach 1:
The patent introduces a specialized timing circuit as an intermediary component between the user input and the computing device. This circuit precisely measures response timing using hardware-level timestamping, eliminating the latency and bias inherent in software-based timing on general-purpose computing devices. The circuit acts as a mediator that captures accurate timing data without being affected by the operating system or application software delays.
Solution Approach 2:
The patent replaces software-based timing mechanisms with hardware-based timing circuitry. Instead of relying on software clocks and timing functions that introduce variable delays, the invention uses dedicated electronic circuits with timers and interrupt generators that provide sub-millisecond timing precision through hardware-level event detection and timestamping.
2Measurement precision
If specialized hardware circuits are used to improve timing accuracy, then measurement precision is improved, but device complexity and configuration flexibility worsen due to inflexible hardware and frequent back-fitting needs
Solution Approach 1:
The timing circuit is designed with universal functionality that can interface with various types of user inputs (buttons, sensors, switches) and communicate with different computing devices through standard communication protocols. The circuit's programmable timer and interrupt generator can be configured through software to adapt to different timing requirements without requiring hardware modifications, making the system universally applicable across multiple applications and devices.
Solution Approach 2:
The timing circuit incorporates programmable parameters that allow dynamic adjustment of timing thresholds, measurement intervals, and response windows through software configuration. This dynamic reconfigurability enables the same hardware circuit to adapt to different experimental protocols and applications without physical reconfiguration or back-fitting, reducing hardware complexity while maintaining precision.
3Ease of operation
If software-based timing is used in general-purpose computing devices, then ease of operation and programming flexibility are improved, but reliability and consistency of timing measurements deteriorate due to operating system delays and background processes
Solution Approach 1:
The timing circuit serves as a reliable intermediary that captures timing events at the hardware level, isolated from operating system delays and background processes. By measuring response timing through dedicated circuitry rather than software clocks, the system achieves consistent and reliable timing data that is not affected by OS scheduling variability or background task interference.
Solution Approach 2:
The invention substitutes software-based timing with hardware-based timing mechanisms. The circuit uses dedicated timer registers and interrupt controllers that provide consistent timing measurements independent of the operating system's software stack, eliminating the reliability issues associated with software timing in general-purpose computing devices.
Data Source
AI summary
A timing unit and method useable with a computer and user input includes a circuit and a timer. The timer establishes a reference signal having periodic occurrence and receives a trigger signal from the user input. The circuit generates information that represents the periodic occurrences of the reference signal and response timing data representing a relationship between the trigger signal and one of the occurrences. A communication channel is provided between the circuit and the computer.