Imaging Apparatus Dual Communication System Lens Reset
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Solution Overview
Problem
Existing imaging apparatuses with interchangeable lens units face challenges in accurately correcting image degradation caused by optical characteristics, as conventional techniques do not adequately account for the type of lens unit and its varying optical parameters, leading to insufficient correction of factors like light falloff and chromatic aberration.
Innovation Solution
The implementation of a communication system that distinguishes between two types of communication protocols for the lens unit, allowing for the acquisition of individual lens information and subsequent optical correction, using a first communication system for data transfer and a second system for reset operations, synchronized with imaging timing to ensure accurate optical correction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single communication system is used for all lens operations, then the communication protocol is simple, but accurate optical correction cannot be achieved because individual lens information and reset commands require different communication approaches
Solution Approach 1:
The communication system is segmented into two distinct systems: a first communication system for acquiring individual lens information and a second communication system for reset operations. This segmentation allows each communication system to be optimized for its specific function, enabling accurate optical correction while maintaining clear separation of responsibilities between information acquisition and control commands
Solution Approach 2:
The communication system dynamically switches between the first communication system and the second communication system based on the operational phase. The camera control unit determines which communication system to use based on whether it needs to acquire lens information or issue reset commands, allowing the system to adapt its communication approach to the current operational requirements
2Measurement precision
If lens reset operation is performed without accurate timing synchronization, then the reset process is simple, but optical correction accuracy deteriorates because the reset position does not align with imaging timing
Solution Approach 1:
The camera control unit receives timing information from the timing generation unit and uses this feedback to determine the appropriate moment to issue the lens reset command through the second communication system. This feedback mechanism ensures that the reset operation is synchronized with imaging timing, guaranteeing that the lens reaches its reset position at the correct moment for accurate optical correction
Solution Approach 2:
The lens reset operation is performed as a preliminary action before image capture, ensuring that the lens is properly positioned and ready for the upcoming imaging operation. By completing the reset operation in advance and synchronizing it with the imaging timing, the system ensures optimal conditions for optical correction without adding complexity to the actual imaging process
Data Source
AI summary
In an imaging apparatus including a reset instruction unit configured to instruct a lens unit to reset an optical member thereof, a first communication system is used for communication for acquiring individual information of the lens unit, and a second communication system different from the first communication system is used for communication for instructing the lens unit to reset an optical member by a reset instruction unit.