Head-Mountable Display Mount With Counterbalanced Battery Cable Management
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Solution Overview
Problem
Head-mountable displays face challenges in achieving extended battery life and balanced weight distribution, leading to frequent charging needs and user fatigue due to unbalanced weight positioning.
Innovation Solution
A head-mountable assembly with a movable mount that integrates an auxiliary battery and a cable management system, allowing for balanced weight distribution and efficient power management through a removable battery attachment feature and cable organization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If an auxiliary battery is added to extend battery life, then the duration of action is improved, but the device complexity and cable management difficulty increase
Solution Approach 1:
The cable is nested within the mount structure itself. The mount includes a cable channel or groove that guides and organizes the cable from the auxiliary battery to the display unit, effectively nesting the cable management function within the existing mount component rather than adding separate cable management elements.
Solution Approach 2:
The mount serves multiple functions: it holds the auxiliary battery, provides cable management through integrated channels, and maintains the balanced weight distribution. By making the mount multi-functional, the patent avoids adding separate components for cable management, thus reducing overall device complexity.
2Adaptability or versatility
If the center of mass is positioned in front of the user's face for display functionality, then the display functionality is improved, but the user experiences muscle fatigue and neck strain
Solution Approach 1:
The auxiliary battery mounted on the back of the head acts as a counterweight to the display unit positioned in front of the user's face. This creates a balanced weight distribution that offsets the rotational torque on the user's head and neck, reducing muscle fatigue and neck strain while maintaining the display's functional positioning.
3Ease of operation
If a removable attachment feature is used for the battery, then the ease of operation is improved, but the reliability of the connection may be reduced
Solution Approach 1:
The attachment feature incorporates movable elements such as spring-loaded clips or snap-fit mechanisms that dynamically adjust during attachment and removal. This allows for easy user operation while maintaining a secure, reliable connection during use through the dynamic locking action of the attachment mechanism.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution extends battery life by providing a supplementary power source and reduces user fatigue by balancing the weight of the device, enhancing user comfort and convenience.
Implementation Method 1
The accessory can be magnetically attached to the mount.
Data Source
AI summary
A head-mountable device can include a display, a support attached to the display and configured to retain the display on a user's head, and an attachment feature configured to removably couple a battery to the support, the attachment feature positioned opposite the display to at least partially counterbalance the display.