Bicycle Electronic Shift Control System Wireless Signal Transmission
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing electronic shift control systems for bicycles are cumbersome due to the high number of repeated components, which increases costs and limits placement options, necessitating a simplified system.
Innovation Solution
The proposed electronic shift control system includes a first and second bicycle control device, each with a brake lever and housing, configured to wirelessly transmit signals, with a self-contained shift lever assembly and battery unit, and accessory ports for connecting to remote devices, reducing component redundancy and enhancing placement flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If each bicycle control device includes complete components (battery unit, jacks, circuit board assembly), then each device can function independently, but the number of repeated components increases cost and limits placement options
Solution Approach 1:
The patent combines the wireless transmission functionality into a single primary control device, eliminating the need for duplicate batteries, jacks, and circuit boards in the secondary device. The secondary device transmits signals wirelessly to the primary device, which then handles all wireless communications and derailleur control, reducing overall system complexity while maintaining independent operation of both control devices.
2Ease of operation
If complete components are packaged together on each control device, then each device is self-contained, but placement options are limited due to increased size and weight
Solution Approach 1:
The patent segments the control system into two functional units: a lightweight secondary control device with only essential components (housing, brake lever, switch) for ergonomic placement on the handlebar, and a primary control device that contains the battery unit, jacks, and wireless transmission components. This segmentation allows the secondary device to be positioned optimally for rider access while the primary device handles all complex functions.
Data Source
AI summary
An electronic shift control system includes a first bicycle control device including a first housing, a first brake lever, and a first switch configured to generate a first signal when actuated. The electronic shift control system additionally includes a second bicycle control device including a second housing, a second brake lever, and a second switch configured to generate a second signal when actuated. The first bicycle control device is configured to wirelessly transmit both the first signal and the second signal.