Touch Panel Display Control for Image Capturing Apparatus
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Solution Overview
Problem
The existing methods for image capturing apparatuses face difficulties in allowing users to perform touch operations on a touch panel while simultaneously using other operation members with the same hand, particularly when the shutter button is half-pressed, limiting the operable range and increasing the risk of unintended shutter release or focus adjustment.
Innovation Solution
The apparatus includes a detection unit for touch operations on a touch panel and a control unit that adjusts the display of items based on the touch position, allowing the touch panel to be operated by the same hand, with enhanced movement of displayed items when the shutter button is half-pressed, thereby improving usability and reducing the likelihood of unintended actions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the shutter button is half-pressed with the index finger to perform a predetermined operation, then the operation on the operation unit is enabled, but the area that can be reached on the touch panel is restricted and the operable range is limited
Solution Approach 1:
The patent applies dynamics by making the display position adaptive based on the operational state of the shutter button. When the shutter button is half-pressed, the system dynamically adjusts the display position of touch panel indicators to a location more accessible to the thumb, rather than maintaining a fixed position. This dynamic adjustment resolves the contradiction by enabling both shutter button operation and touch panel interaction within the limited finger reachability zone.
2Ease of operation
If another finger is extended to the touch panel while the shutter button is half-pressed, then touch operation becomes possible, but the finger may release or fully-press the shutter button unintentionally
Solution Approach 1:
The patent introduces an intermediary mechanism by providing visual feedback on the touch panel that indicates the current operational state of the shutter button. This intermediary information layer allows the user to perform touch operations with confidence, knowing exactly what state the shutter button is in, thereby preventing unintended releases or full presses while maintaining touch operation capability.
3Device complexity
If the display position is fixed regardless of shutter button state, then the display structure is simple, but the user cannot access desired positions on the touch panel when finger range is limited
Solution Approach 1:
The patent implements dynamics by making the display position adaptive based on the operational state of the shutter button. When the shutter button is half-pressed, the system dynamically adjusts the display position of touch panel indicators to a location more accessible to the thumb, rather than maintaining a fixed position. This dynamic adjustment resolves the contradiction by enabling both shutter button operation and touch panel interaction within the limited finger reachability zone.
Data Source
AI summary
An image capturing apparatus comprises: a display capable of displaying a predetermined item; a detection unit that detects a touch operation on a touch panel; an operation unit operated by a same hand as the touch panel; and a control unit that control to, if the operation unit does not accept a predetermined operation, display the predetermined item at a position on the display based on a position at which touch is started on the touch panel in response to the touch operation detected by the detection unit, and if the operation unit accepts the predetermined operation, display the predetermined item at a fixed position even if touch is started, and if the touch position is moved, move the predetermined item to a position by an amount corresponding to the moved amount of the touch position.