Rotatable Electrical Connection for Dual Camera Surveillance
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Solution Overview
Problem
Wide-angle and fish-eye lenses used in surveillance cameras suffer from image distortion and low resolution, especially when zooming in on peripheral regions, and existing auxiliary lens systems can have obscured viewing angles and tangled cables when rotating.
Innovation Solution
A photographing device with a main body, a first video capturing unit, and a second video capturing unit that are rotatable and electrically connected via a connection assembly, allowing the second unit to overlap the first unit's field of view without obscuring it, and using brushes and current collectors to maintain electrical contact during rotation, preventing cable tangling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a fish-eye lens or wide-angle lens is used to capture a wider image, then the field of view is improved, but the image quality deteriorates with distortion in periphery region and low resolution when zooming in
Solution Approach 1:
The photographing device divides the imaging function into two separate video capturing units: a first unit with a fish-eye lens for wide-angle overview and a second unit with a normal lens for high-quality detailed capture. This segmentation allows each unit to specialize in its optimal function, resolving the contradiction between wide field of view and image quality.
2Measurement precision
If an auxiliary lens assembly is added to assist the main lens assembly for zooming in, then the image quality for detailed capture is improved, but the viewing angle is obscured by the main lens assembly
Solution Approach 1:
The second video capturing unit is positioned above the first video capturing unit along the optical axis, creating a vertical separation that allows both units to capture overlapping fields of view without physical obstruction. This dimensional arrangement resolves the obscuration problem while maintaining complementary imaging functions.
3Area of stationary object
If the auxiliary lens assembly is disposed away from above the main lens assembly on a track to avoid obscured viewing angle, then the viewing angle is improved, but the cables become tangled and may be snapped when the assembly spins several revolutions
Solution Approach 1:
A rotatable electrical connection portion with sliding contacts serves as an intermediary between the rotatable second video capturing unit and the stationary cable system. This mediator allows continuous rotation without cable tangling by providing electrical connection through contact surfaces rather than flexible cables, resolving the reliability issue.
4Adaptability or versatility
If cables are connected to the rotatable auxiliary lens assembly to provide electrical connection, then the functionality is improved, but the cables become tangled and may be snapped during rotation
Solution Approach 1:
The patent replaces the mechanical cable connection system with a sliding contact electrical connection system. The rotatable electrical connection portion uses contact surfaces that slide against each other to maintain electrical connection during rotation, eliminating the tangling and snapping problems inherent in cable-based systems.
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
Enables clear zooming into peripheral regions without distortion and maintains continuous electrical connection during rotation, preventing cable snapping and ensuring uninterrupted image capture.
Implementation Method 1
One of the first connection component and the second connection component comprises a brush, and the other one of the first connection component and the second connection component comprises a current collector
Data Source
AI summary
A photographing device includes a main body, a first video capturing unit, a second video capturing unit and a rotatable electrical connection portion. The first video capturing unit is disposed on the main body, a center of a first video capturing range of the first video capturing unit is located on a first axis. The second video capturing unit is rotatable about the first axis to be pivoted on the main body, the second video capturing unit and the first axis are separated by a distance. A second video capturing range of the second video capturing unit overlaps the first axis. The rotatable electrical connection portion includes a first and a second connection component pivoted and connected to each other. The second video capturing unit is disposed on and connected to the first connection component. The second connection component is disposed on and connected to the main body.