Optical Module Isolation Assembly for Impact-Resistant Image Capture
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Solution Overview
Problem
Optical modules in image capture devices are susceptible to dislocation and damage from external forces, such as drops or impacts, due to their sensitive components like lens elements and image sensors.
Innovation Solution
An isolation assembly is introduced that allows the optical module to move resiliently within the image capture device, absorbing and dissipating external forces through compliant members and dampers, preventing transmission to the module.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the optical module is rigidly fixed within the image capture device, then structural stability is improved, but susceptibility to damage from external forces increases
Solution Approach 1:
The patent introduces a compliant member (cushioning element) between the optical module and the device body that compresses under external force, absorbing impact energy before it reaches the optical components. This beforehand cushioning protects the optical module from drops and shocks while maintaining normal operational stability.
Solution Approach 2:
The patent changes the mechanical coupling parameter from rigid (infinite stiffness) to compliant (finite stiffness), allowing the optical module to move slightly under external forces. This parameter change enables the system to absorb shock while maintaining sufficient structural stability for normal operation.
2Object-affected harmful factors
If the optical module is allowed to move freely to absorb external forces, then protection from external forces is improved, but structural stability deteriorates
Solution Approach 1:
The patent optimizes the stiffness parameter of the compliant member to balance two opposing requirements: enough compliance to absorb external forces and protect the optical module, but enough rigidity to maintain structural stability during normal operation. This parameter optimization resolves the contradiction between movement freedom and structural stability.
3Object-affected harmful factors
If compliant members are introduced to isolate the optical module, then protection from external forces is improved, but device complexity increases
Solution Approach 1:
The patent employs a compliant member that can be implemented as a flexible element, elastomer, or thin film structure. These flexible components provide effective shock isolation while adding minimal structural complexity compared to rigid mounting systems. The compliant member integrates smoothly into the existing device architecture.
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 isolation assembly protects the optical module by inhibiting the transmission of external forces, maintaining component connections and reducing oscillation, thus preventing damage.
Implementation Method 1
at least one compliant member that extends between the body and the optical module to thereby isolate the optical module from the body and absorb external force(s) that are applied to the image capture device
Implementation Method 2
the isolation assembly may include a damper (stabilizer) that is configured to dissipate energy released by the isolation assembly and reduce oscillation of the optical module within the body
Data Source
AI summary
An image capture device is disclosed that includes: a body; an optical module that is positioned within the body and which defines an optical axis; and an isolation assembly that supports (suspends) the optical module within the body and which facilitates resilient displacement of the optical module in relation to the body upon the application of an external force to the image capture device to thereby inhibit transmission of the external force to the optical module.