Bicycle Shift Transmitter Ring for Multi-Signal Control
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Solution Overview
Problem
Existing signal generators for bicycles are limited in generating a variety of switching signals and require complex assembly and operation, which complicates the integration of additional functions in electric bicycles within the limited installation space.
Innovation Solution
A signal transmitter with a ring-like base and control element that allows for rotational and tilting movements, generating multiple encoder signals through sensors, enabling intuitive operation and high functional density with a compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate signaling devices are used to provide various functions (shifting, lighting, communication), then functional density increases, but device complexity and installation space requirements increase
Solution Approach 1:
The signal transmitter is designed as a universal control element that can generate multiple different encoder signals through a single operating element capable of rotational and tilting movements. This single device replaces multiple separate signaling devices, providing functions for shifting, lighting control, and communication signals, thereby increasing functional density while reducing overall device complexity
Solution Approach 2:
The patent combines multiple signaling functions into a single integrated signal transmitter unit. The operating element with its multiple degrees of freedom (rotation and tilting) merges what would traditionally require separate buttons or controls into one unified interface, reducing the number of components and simplifying the control system architecture
2Adaptability or versatility
If multiple separate signaling devices are used to provide various functions, then functional density increases, but the installation space on the bicycle increases
Solution Approach 1:
The signal transmitter serves as a multi-functional control unit that consolidates multiple signaling functions into a single compact device. By enabling one operating element to generate multiple encoder signals through different movement types, the patent reduces the total space required compared to installing multiple separate signaling devices across the bicycle
Solution Approach 2:
The operating element is designed with nested movement capabilities where rotational and tilting movements are integrated within a single structural component. This nesting of movement types within one element allows multiple functions to be controlled from a single location, minimizing the spatial footprint on the bicycle
3Adaptability or versatility
If a signal generator with multiple movement types is used, then the number of switching signals increases, but the complexity of operation increases
Solution Approach 1:
Different zones or positions on the operating element are assigned specific functions based on their local characteristics. The operating element has distinct rotational and tilting capabilities, where each movement type corresponds to specific signal generation, allowing intuitive control without requiring the user to learn complex operation sequences
Solution Approach 2:
The operating element dynamically adapts its function based on the type of movement applied. Through sensors detecting rotational versus tilting movements, the system dynamically generates different encoder signals from the same physical component, providing multiple switching signals while maintaining simple and intuitive operation through natural human gestures
4Manufacturing precision
If a complex assembly process is used for the signal generator, then manufacturing precision may improve, but ease of manufacture decreases
Solution Approach 1:
The signal transmitter is designed as a modular assembly with distinct components (transmitter base, operating element, sensors) that can be manufactured separately and then assembled. This segmentation allows for standardized manufacturing processes for each component while simplifying the final assembly through predefined mounting interfaces and attachment mechanisms
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
The solution allows for the generation of a large number of different switching signals with simple operation, enhancing the functional density of bicycles while maintaining a robust and easy-to-assemble design, thereby improving safety and usability.
Implementation Method 1
The ring-like operating element has at least one magnet and is designed such that the ring-like operating element can be or is held in a neutral position on the ring-like transmitter base by the at least one magnet
Data Source
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AI summary
The present invention relates to a signal transmitter (10), comprising a base ring (16) and an operating ring (18) which is movable relative to and arranged concentrically on the base ring (16) so that the handlebars of the bicycle can be pushed through the base ring (16) and the operating ring (18). The operating ring (18) is held magnetically on the base ring (16) in a neutral initial position (x0, y0, z0). In this initial position (x0, y0, z0), the operating ring (18) can be twisted relative to the base ring (16) and/or can be tilted relative to the base ring (16) in a further concentric arrangement. Depending on the movement of the operating ring (18), a sensor (32) generates a specific transmitter signal (34) which can be used as a reference variable for controlling a particular function.