Crossbow Scope Integrated Laser Rangefinder
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Solution Overview
Problem
Conventional crossbows lack a rangefinder, making it difficult for users to achieve precision and accuracy in shots, especially for long-distance targets, which can lead to missed trophies or prey during hunting and competitions.
Innovation Solution
A crossbow scope with a built-in laser rangefinder that includes a laser diode for transmitting a laser beam, a range sensor for detecting distance and tilt, and an activation button on the crossbow to enable users to adjust their shot for improved accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a conventional crossbow is used without a rangefinder, then the device complexity remains low, but the shooting precision and accuracy deteriorate significantly
Solution Approach 1:
The patent combines the rangefinder, laser diode, reticle display, and crossbow scope into a single integrated device. The rangefinder unit is positioned within the scope housing, and the laser reticle is projected through the scope's optical system, merging multiple functions (rangefinding, aiming, and targeting) into one unified system that improves shooting precision without requiring separate devices
Solution Approach 2:
The crossbow scope serves multiple functions: it acts as an aiming device, a rangefinder, and a laser target indicator simultaneously. The scope housing contains both the optical aiming system and the rangefinder unit, allowing the user to aim and measure distance with a single device, thereby improving precision while avoiding the complexity of coordinating multiple separate devices
2Measurement precision
If the laser rangefinder is integrated into the crossbow scope, then the shooting accuracy improves, but the weight of the crossbow increases
Solution Approach 1:
The rangefinder unit is nested within the scope housing, utilizing the existing structural space of the crossbow scope. The laser diode, range sensor, and reticle projection components are housed within the scope's optical path structure, effectively nesting the rangefinding functionality within the existing scope framework to minimize additional weight
3Ease of operation
If the activation button is positioned on the crossbow, then the ease of operation improves, but the device complexity increases
Solution Approach 1:
The activation button is positioned on the crossbow stock within easy reach of the user's hand, allowing the user to activate the laser rangefinder with a simple thumb press while maintaining their shooting stance. The button provides self-service operation, enabling the user to activate the rangefinder function without needing to reach for or adjust controls on the scope itself, thereby improving ease of operation
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 crossbow scope allows users to make accurate long-distance shots by providing real-time range and tilt information, enhancing the precision of shots during hunting and competitions.
Implementation Method 1
a laser diode for transmitting a laser beam towards a target
Implementation Method 2
a range sensor for detecting range and tilt of the crossbow scope relative to the target
Data Source
AI summary
The present invention relates to a crossbow scope with a built-in laser rangefinder. The crossbow scope is designed to be integrated to crossbows during crossbows' manufacturing or retrofitted to existing crossbows. The scope is activated using a push button coupled to the scope and positioned on the crossbow. The scope has a laser diode emitting a laser towards a target and a range sensor for determining a range or distance to the target and a tilt of the crossbow relative to the target. Users can adjust their crossbow position to accommodate the laser reticle within the sight to match the laser beam with the target. The scope improves crossbow shot accuracy while hunting, during competition, shooting practice and more.