Movable Lens Barrel Axial Adjustment for Digital Imaging
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Solution Overview
Problem
Existing digital imaging devices with fixed imaging mirrors require users to exchange eyepieces for different magnifications, leading to operational inconvenience.
Innovation Solution
A digital imaging device with a movable lens barrel and driving mechanism that adjusts the distance between the optical lens and photosensitive element, allowing for flexible magnification or reduction of optical images without changing lenses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed imaging mirror is used in the digital imaging device, then the device structure is simple, but the user must exchange eyepieces to observe images with different magnifications, resulting in operational inconvenience and loss of time
Solution Approach 1:
The patent implements a movable lens barrel that can be driven to move axially relative to the light shielding barrel, allowing the optical lens to dynamically adjust its position near to or away from the photosensitive element. This dynamic adjustment enables continuous magnification changes without exchanging components, resolving the contradiction between ease of operation and time loss.
Solution Approach 2:
The patent changes the physical parameter of lens-to-sensor distance by providing a movable lens barrel with driving device. By adjusting this distance parameter, different magnifications are achieved without component exchange, eliminating operational inconvenience and time loss associated with eyepiece replacement.
2Adaptability or versatility
If multiple eyepieces with different magnifications are provided, then the device can observe images with various magnifications, but the device complexity increases due to multiple components
Solution Approach 1:
The patent makes a single optical lens system multi-functional by enabling it to perform multiple magnification levels through axial movement. The movable lens barrel allows one lens to serve multiple purposes that previously required multiple eyepieces, reducing device complexity while maintaining versatility.
Solution Approach 2:
By making the lens barrel movable rather than fixed, a single lens system can dynamically adjust to provide different magnifications. This eliminates the need for multiple static eyepiece components, simplifying the device structure while preserving adaptability across different magnification requirements.
3Adaptability or versatility
If the optical lens is fixed relative to the photosensitive element, then the device structure is simple, but the magnification or reduction ratio of the optical image cannot be adjusted
Solution Approach 1:
The patent introduces a movable lens barrel with driving device that enables axial movement of the optical lens relative to the photosensitive element. This dynamic configuration allows continuous adjustment of magnification ratios while maintaining relatively simple device structure through a single movable component rather than multiple fixed components.
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 users to observe images with various magnification or reduction ratios conveniently without lens changes, improving operational efficiency and precision in image capturing.
Implementation Method 1
The lens end comprises an optical lens, and the optical lens is coaxially disposed with the photosensitive element
Implementation Method 2
The photosensitive device has a photosensitive element facing the open end
Data Source
AI summary
A digital imaging device includes a casing, a photosensitive device, a light shielding barrel, a movable lens barrel, and a driving device. The casing includes a closed end and an open end. The photosensitive device is disposed inside the casing and adjacent to the closed end. The photosensitive device has a photosensitive element. The light shielding barrel is disposed inside the casing. The light shielding barrel includes a fixed end fixed inside the casing and surrounding the photosensitive element. The movable lens barrel is coaxially disposed with the light shielding barrel. The movable lens barrel includes a lens end and a driving portion. The lens end includes an optical lens coaxially disposed with the photosensitive element. The driving device is connected to the driving portion. The driving device drives the movable lens barrel to move axially relative to the light shielding barrel.