Handlebar-Mounted Bicycle Proximity Sensor and Warning System
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Solution Overview
Problem
Inattentive motor vehicle drivers often fail to maintain a safe distance from bicyclists, leading to accidents, as bicycles are frequently unnoticed due to their slower speed and lower presence on roads, resulting in a significant number of cyclist injuries and fatalities.
Innovation Solution
A bicycle safety enhancement device mounted on the handlebars that detects approaching vehicles using a proximity sensor and projects a visible warning signal while capturing license plate images to alert drivers and potentially identify vehicles that breach a safe passing distance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bicycle safety enhancement device with proximity sensor, illumination source, and camera is mounted to the handlebars, then cyclist safety is improved through vehicle detection and warning, but device complexity increases
Solution Approach 1:
The patent combines multiple safety functions (proximity sensing, illumination warning, and license plate documentation) into a single integrated device mounted on the bicycle handlebars. This merging approach addresses the technical contradiction by consolidating what would otherwise be separate systems into one unified unit, improving reliability through coordinated operation while managing complexity through integration rather than multiplication of separate components.
Solution Approach 2:
The safety device performs multiple functions simultaneously: detecting approaching vehicles via proximity sensor, providing visible warning through illumination source, and capturing license plate images via camera. This multi-functionality resolves the contradiction by making a single device serve several safety purposes, thereby improving overall cyclist protection without proportionally increasing system complexity.
2Reliability
If the device captures images of license plates to identify vehicles, then enforcement capability is improved, but loss of time for processing and reviewing images increases
Solution Approach 1:
The device performs preliminary action by automatically capturing and storing license plate images at the moment of unsafe passing, rather than requiring manual documentation afterward. This preliminary capture of evidence improves enforcement capability while minimizing time loss, as the critical action of documentation occurs automatically in real-time during the unsafe event rather than requiring subsequent manual intervention.
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
Enhances cyclist safety by providing a visible warning to inattentive drivers and documenting license plate information of vehicles that infringe on a safe passing distance, potentially increasing driver awareness and aiding enforcement.
Implementation Method 1
A proximity sensor is coupled to a proximal portion of the elongated member and is arranged so that when the elongated member is mounted to the handlebar of a bicycle being ridden by a cyclist, the ultrasonic sensor detects objects (e.g., vehicles) adjacent to and/or behind the bicycle and which come within a prescribed distance of the bicycle.
Implementation Method 2
An illumination source is coupled to the proximal portion of the elongated member. The illumination source provides a visible warning signal directed toward the detected object when the elongated member is mounted to the handlebar of the bicycle being ridden by the cyclist.
Data Source
AI summary
A bicycle safety enhancement device includes an elongated member having a distal portion mountable to a bicycle handlebar. A proximity sensor is coupled to a proximal portion of the elongated member and is arranged so that when the elongated member is mounted to a handlebar of a bicycle being ridden by a cyclist, the ultrasonic sensor detects objects adjacent to and/or behind the bicycle and which come within a prescribed distance of the bicycle. An illumination source is coupled to the proximal portion of the elongated member. The illumination source provides a visible warning signal directed toward the detected object when the elongated member is mounted to the handlebar of the bicycle. A camera is coupled to the proximal portion of the elongated member and is arranged to capture images of the detected object as the detected object passes in front of the bicycle being ridden by the cyclist.