Eye Approach Detection for Touch Panel Lock Control
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Solution Overview
Problem
Existing image capture devices face challenges in preventing erroneous operations while maintaining good operability, particularly when setting and releasing locks on operation members like touch panels, which can lead to unintended changes in settings.
Innovation Solution
An image capture apparatus equipped with an eye approach detection unit and a switching unit that allows the touch panel to switch between locked and unlocked states, ensuring that specific operations on the touch panel are only executed when the eye approach detection unit detects the user's eye, thereby preventing erroneous operations and simplifying the locking process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the touch panel is locked to prevent erroneous operations, then reliability is improved, but ease of operation deteriorates because intentional operations are also blocked
Solution Approach 1:
The lock state of the touch panel is made dynamic rather than static. The system automatically transitions between locked and unlocked states based on eye approach detection. When the user's eye approaches the finder, the system unlocks the touch panel to allow intentional operations. When the eye moves away, the system locks the touch panel to prevent erroneous operations. This dynamic adaptation resolves the contradiction by making the lock state responsive to actual usage context.
2Reliability
If a lock button is provided to switch between locked and unlocked states, then reliability is improved, but device complexity increases
Solution Approach 1:
The system performs the locking and unlocking function automatically without requiring manual intervention from the user. The eye approach detection unit monitors whether the user's eye is approaching the finder, and based on this detection, the control unit automatically switches the touch panel between locked and unlocked states. This self-service approach eliminates the need for a separate lock button and associated manual operations, thereby reducing device complexity while maintaining reliability.
3Reliability
If the touch panel is locked during shooting, then reliability is improved, but loss of time increases due to requiring lock release for each operation
Solution Approach 1:
The system performs the unlocking action in advance based on predictive detection. The eye approach detection unit detects when the user's eye is approaching the finder before the user actually needs to operate the touch panel. Upon detection, the system proactively unlocks the touch panel, so that when the user intends to perform an operation, the panel is already in the unlocked state. This preliminary action eliminates the time loss associated with manually releasing the lock during shooting operations.
Data Source
AI summary
An image capture apparatus detects an eye approaching to a finder, switches between a locked state in which execution of a function corresponding to an operation on a touch panel having a display surface of a display unit capable of displaying a captured image as an operation surface is restricted and an unlocked state in which the execution of the function is not restricted, and performs control such that in the locked state, even if a specific operation is performed on the touch panel without detecting the eye approaching, predetermined processing corresponding to the specific operation is not executed, and the predetermined processing is executed in response to the specific operation on the touch panel being performed in a state where a predetermined condition including detection of the eye approaching is satisfied.