Auto Bracketing Correction Value Adjustment Mechanism
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Solution Overview
Problem
Existing image capture apparatuses face complexity in setting correction values for auto bracketing when the capture count is set to two, as the user interface cannot easily change the correction value from positive to negative or vice versa across the reference value, requiring additional steps to adjust the sign and step amount separately.
Innovation Solution
An image capture apparatus with a setting unit to adjust the capture count and a change unit that allows users to change correction values within a predetermined range, enabling sequential expansion or narrowing of the correction width, allowing the correction value to cross the reference value when the capture count is two, using a single operation signal for either clockwise or counterclockwise dial rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the capture count is set to two, then the auto bracketing operation is simplified, but the correction value setting becomes complex requiring separate adjustments for sign and step amount
Solution Approach 1:
The patent implements dynamic behavior where the correction value automatically crosses the reference value when the capture count is two. The change unit dynamically adjusts the correction value based on the operation signal direction, allowing seamless transition from positive to negative correction values without manual sign selection, thus simplifying the operation while maintaining productivity
Solution Approach 2:
The patent changes the parameter behavior of the correction value based on the capture count setting. When capture count is two, the correction value can cross the reference value (change sign) through a single operation, transforming the setting process from complex multi-step to simple single-step operation, thereby improving ease of operation while preserving operational efficiency
2Adaptability or versatility
If the correction width is expanded sequentially, then the correction value range increases, but the operation complexity increases when capture count is two
Solution Approach 1:
The patent makes the single operation signal serve multiple functions: it simultaneously controls both the expansion of correction width and the crossing of reference value (sign change) when capture count is two. This multi-functionality eliminates the need for separate operations to adjust sign and step amount, reducing operation complexity while maintaining full adaptability in correction value range
Solution Approach 2:
The patent merges the correction width expansion function and the sign change function into a single operation sequence. When capture count is two, one operation signal triggers both the expansion of correction width and the crossing of reference value, combining what would traditionally be separate operations into a unified action, thus reducing device complexity while preserving versatility
Data Source
AI summary
An image capture apparatus capable of auto bracketing. When a capture count for the auto bracketing is N (N is an integer of not less than three), a total of N−1 correction values are set by at least one on each of a positive side and negative side with respect to a reference value, and the apparatus sequentially expands or narrows a correction width serving as a difference between the reference value and each of the N−1 correction values in accordance with user's operation. When the capture count is two, the reference value and one correction value are set, and the apparatus sequentially increases or decreases the one correction value within the predetermined range in accordance with user's operation.