Bicycle Control Device Movement Detector Standby Wake Signal
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Solution Overview
Problem
Existing bicycle manual control devices experience delays in transmitting control signals due to the need for cyclist intervention to wake the system from standby mode, which can lead to inefficiencies in synchronous electronic systems and reduced energy efficiency.
Innovation Solution
A bicycle manual control device with a movement detector that emits a wake signal to bring the on-board electronics from standby to operating mode, allowing continuous readiness to transmit control signals when the bicycle is in use, and entering standby mode only during prolonged stops, thus minimizing signal delay and conserving energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the on-board electronics enters standby mode to save energy, then energy efficiency is improved, but signal transmission delay increases
Solution Approach 1:
The movement detector is configured to detect bicycle movement and generate a wake signal that activates the on-board electronics from standby mode before the cyclist actually operates the manual actuation member. This preliminary activation ensures the electronics are ready to process and transmit control signals immediately when needed, eliminating delays while maintaining energy savings during non-use periods.
2Speed
If the on-board electronics remains in operating mode continuously, then signal transmission speed is improved, but energy consumption increases
Solution Approach 1:
The system dynamically switches between standby mode and operating mode based on detected bicycle movement. The movement detector triggers a wake signal that transitions the on-board electronics from low-power standby mode to full operating mode, providing optimal signal transmission speed only when the bicycle is in use, thereby minimizing overall energy consumption.
Solution Approach 2:
The on-board electronics alternates between standby mode and operating mode based on periodic detection of bicycle movement. During prolonged stops, the system enters standby mode to conserve energy, and activates to operating mode when movement is detected, creating a rhythmic pattern of power states that balances performance and energy efficiency.
3Use of energy by moving object
If the system activates on cyclist intervention, then energy efficiency is improved, but system responsiveness deteriorates
Solution Approach 1:
The movement detector performs preliminary detection of bicycle movement and triggers a wake signal that activates the on-board electronics before the cyclist operates the control device. This ensures the system is already responsive and ready to process control signals immediately when the cyclist acts, eliminating any perceptible delay while maintaining energy efficiency during non-use periods.
Data Source
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AI summary
A bicycle manual control device (10) for issuing at least one electric-electronic command to at least one piece of bicycle equipment, comprising a support body (12), configured to be fixed to the bicycle, at least one manual actuation member (14, 15, 16) supported in a movable manner by the support body (12), and on-board electronics (18) having a standby mode and an operating mode, further comprising a detector (32) of movement of the bicycle configured to emit a wake signal (34) to bring said on-board electronics (18) from standby mode to operating mode. Bicycle electronic system comprising it.