Arcuate Touch Interface for Digital Photo Frame Navigation
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Solution Overview
Problem
Existing digital photo frame user interfaces are obtrusive and not conveniently configured for users, disrupting the viewing experience and making it difficult to navigate through images.
Innovation Solution
A user interface featuring partially arcuate rings with selector elements that can be manipulated using thumbs, allowing for convenient navigation and selection of images without obstructing the view, with the option to rotate rings to reveal hidden elements when a finger moves along them.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional user interfaces are used on digital photo frames, then users can navigate and select images, but the interface becomes obtrusive and disrupts the viewing experience
Solution Approach 1:
The patent applies curvature by using arcuate rings instead of traditional linear or rectangular interface elements. The selector elements are arranged along curved paths that follow the natural arc of the frame, creating a more organic interface that blends with the viewing area and reduces visual obstruction while maintaining ease of selection.
Solution Approach 2:
The patent transitions from two-dimensional linear menus to a multi-dimensional radial arrangement. Selector elements are organized along arcuate paths that extend into the third dimension of the display space, allowing multiple levels of selection (root selections and branch selections) to be simultaneously accessible without stacking elements vertically or horizontally, thus reducing obstruction.
2Ease of operation
If selector elements are arranged in linear menus, then users can navigate options, but the interface requires multiple fingers and complex hand movements
Solution Approach 1:
The arcuate arrangement of selector elements allows users to naturally follow the curve with their thumb, mimicking the natural circular motion of thumb gestures. This curved layout reduces the need for precise linear positioning and complex multi-finger coordination, as users can simply trace the arc with their thumb to select elements.
Solution Approach 2:
The patent employs asymmetric positioning of selector elements along the arcuate rings, with root selections and branch selections arranged at different radial distances. This asymmetric radial hierarchy allows single-thumb navigation where the thumb naturally moves from outer ring to inner ring or vice versa, simplifying the selection process compared to symmetric linear arrangements that require equal precision for all elements.
3Loss of information
If all selector elements are displayed simultaneously, then users have full access to options, but the interface becomes cluttered and obtrusive
Solution Approach 1:
The patent implements dynamic display of selector elements along the arcuate rings. Elements can be revealed or hidden based on user interaction, such as rotating the ring to bring selected elements into view. This dynamic arrangement allows the interface to adapt to user needs, displaying only relevant options at any given moment while maintaining access to all options through interaction, thus reducing clutter without losing information.
Solution Approach 2:
The selector elements are segmented into different arcuate rings (root selections and branch selections) rather than displayed as a single crowded list. This segmentation distributes elements across multiple concentric arcs, reducing the density of elements in any single viewing area while maintaining hierarchical organization and full accessibility through ring navigation.
Data Source
AI summary
A digital picture frame has a frame bounding a touch screen that presents a user interface having first and second arcs of selector elements. The first arc of selector elements is manipulable to establish an input genre root, and the second arc is manipulable to select an input branching from a genre root selected using an element in the first group. The arcs are rotatable to reveal previously unpresented selector elements when a person moves a hand along the respective arc.