Dynamic Chronometric Testing for Watch Movement Evaluation
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Solution Overview
Problem
Current chronometric testing methods primarily focus on static positions, which do not accurately represent the dynamic movements and positions a watch experiences during typical use, leading to incomplete evaluation of its quality and reliability.
Innovation Solution
A device and method for dynamic chronometric testing that utilizes multi-axis handling means and control systems to simulate various predefined or random movements, including those experienced during daily activities, while continuously recording rate parameters and environmental conditions, to define and measure chronometric properties accurately.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If static testing positions are used, then testing simplicity is maintained, but measurement precision and reliability are insufficient
Solution Approach 1:
The patent applies the dynamics principle by transitioning from static testing positions to dynamic testing scenarios. The watch is mounted on a moving platform that simulates real-world movements including acceleration, deceleration, and positional changes. This dynamic approach allows the chronometric properties to be measured under conditions that closely resemble actual usage, thereby improving measurement precision without requiring an entirely complex new testing system.
Solution Approach 2:
The patent employs parameter changes by systematically varying physical parameters such as acceleration, position, and movement patterns during testing. The testing device modifies these parameters to create different dynamic scenarios (e.g., constant velocity, accelerated motion, random movement patterns). By changing these parameters, the system can assess how the watch performs across a range of conditions, improving measurement accuracy while maintaining a relatively simple base testing apparatus.
2Reliability
If dynamic movements are simulated, then reliability assessment is improved, but device complexity increases
Solution Approach 1:
The patent applies the copying principle by creating a simplified model of real-world usage conditions. Instead of requiring complex replication of every possible usage scenario, the device copies the essential characteristics of real-world movement patterns (acceleration, position changes, movement variability) into a controlled testing environment. This allows reliability assessment under realistic conditions without needing to replicate the full complexity of actual human usage behavior.
Solution Approach 2:
The dynamic testing platform incorporates movement generation capabilities that simulate real-world conditions through controlled acceleration and positioning. The system uses sensors to detect movement parameters and adjusts the platform accordingly, creating a feedback loop that replicates typical usage patterns. This dynamic approach improves reliability assessment while keeping the device complexity manageable through algorithmic control rather than mechanical complexity.
3Measurement precision
If continuous monitoring is implemented, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The patent applies the continuity of useful action principle by implementing continuous monitoring of chronometric properties throughout the dynamic testing process. Rather than taking intermittent measurements, the system continuously records rate parameters, position, and movement data. This continuous data collection improves measurement precision by capturing the complete behavior of the watch under dynamic conditions, while the efficiency of automated analysis reduces the practical time loss.
Solution Approach 2:
The testing system incorporates feedback mechanisms where real-time data from sensors is processed and used to adjust testing parameters or provide immediate analysis. The continuous monitoring feeds data back to the control system, which can modify test scenarios based on observed performance. This feedback loop improves measurement precision by enabling adaptive testing while managing time through intelligent data processing and analysis rather than brute-force continuous testing.
Data Source
AI summary
A dynamic chronometric testing of a movement or of a watch, control device fine controlling a predefined or random cycle of movements via standardised chronometric testing positions, the rate parameters are also measured in dynamic positions where the acceleration and velocity are different to zero and which correspond to additional dynamic chronometry criteria, defined to qualify the rate during a continuous movement applied to the movement or respectively to this watch.