Mobile Device Cases With Curved Sound Redirection
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Solution Overview
Problem
Mobile device speakers often emit sound away from the listener, making it difficult to hear clearly, and existing enhancement techniques like cupping hands or using reflective surfaces are impractical for long-term use.
Innovation Solution
A mobile device case or docking station with sound-enhancing elements, featuring curved openings that redirect sound towards the listener, enhancing sound volume and clarity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If speakers are located on the bottom side or side of the mobile device, then the device structure is simplified and manufacturing is easier, but the sound pressure moves away from the listener resulting in poor sound clarity and volume
Solution Approach 1:
The patent introduces a reflective surface as an intermediary element between the speaker and the listener. This reflective surface redirects the sound pressure that would otherwise move away from the listener, effectively mediating the sound transmission path to improve sound clarity and volume without changing the speaker's physical location in the device
Solution Approach 2:
The patent adds a spatial dimension to sound transmission by introducing a reflective surface at a specific angle and position. This creates a new sound path in three-dimensional space, allowing sound to reach the listener from a different directional dimension while maintaining the original speaker placement
2Ease of operation
If a listener cups their hand under the speaker or places the device on a hard reflective surface, then sound volume and clarity are improved, but the solution becomes impractical for long-term use when hands are preoccupied or suitable surfaces are unavailable
Solution Approach 1:
The patent makes the mobile device self-sufficient for sound enhancement by integrating the reflective surface directly into the device structure. The device automatically provides the sound redirection function without requiring external assistance from the user, eliminating the need for hands-on operations or external reflective surfaces
Solution Approach 2:
The patent merges the sound enhancement function with the mobile device itself by integrating the reflective surface as part of the device structure. This combination creates a unified system where the device provides both its primary function and sound enhancement capability, eliminating the need for separate enhancement tools or techniques
3Device complexity
If an ear piece speaker is located at the top of the cell phone, then the device structure is simplified, but the sound pressure still travels away from the listener resulting in difficulty to hear
Solution Approach 1:
The patent introduces a reflective surface as an intermediary element positioned to intercept sound pressure from the top-located ear piece speaker and redirect it toward the listener. This mediator component solves the sound direction problem without requiring reconfiguration of the speaker's position in the device structure
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
Provides hands-free sound amplification and improved clarity by redirecting sound pressure back to the listener, offering a practical solution for various listening scenarios.
Implementation Method 1
the sound (or sound pressure) exits the speaker and often travels away from the listener... redirecting sound pressure towards the listener
Data Source
AI summary
Disclosed are systems and methods for amplifying, enhancing, and improving the quality of sound from a mobile device. A sound enhancing mobile device case includes an encircling sidewall having an interior surface configured to retain a mobile device and an exterior surface, an opening in a portion of the interior surface, and a sound amplification element extending from the opening towards the exterior surface. The sound amplification element has a bottom surface disposed adjacent to the exterior surface of the encircling sidewall, a rear surface extending from the opening to the bottom surface, and opposing side surfaces extending along the rear surface from the opening to the bottom surface. A mobile device docking station can include the mobile device case and an electrical connection interface configured to mate with a mobile device for which the device case is configured.