Acoustic Conduit Layout for Dual-Direction Speaker Output
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electronic devices with separate earpiece and loudspeakers face challenges in optimizing acoustic characteristics for different usage situations, requiring separate sound output mechanisms that are not efficiently integrated.
Innovation Solution
The electronic device incorporates a speaker system with a first conduit connecting the diaphragm to a side hole and a second conduit branching at an acute angle to a front hole, allowing sound waves to be directed in different directions for optimized acoustic performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate earpiece and loudspeaker are used, then different acoustic characteristics can be provided for different usage situations, but device complexity increases
Solution Approach 1:
A single speaker unit is designed to serve multiple functions by directing sound through different conduits to different locations. The speaker can output sound to the earpiece area through the first conduit for call audio and to the loudspeaker area through the second conduit for media audio, making one component perform the roles of what would traditionally require separate earpiece and loudspeaker units.
2Adaptability or versatility
If sound is directed to both earpiece and loudspeaker areas, then acoustic integration is improved, but sound wave interference may occur
Solution Approach 1:
The acoustic space is divided into separate pathways using distinct conduits. The first conduit directs sound waves to the earpiece area while the second conduit directs sound waves to the loudspeaker area. This segmentation of sound paths prevents interference between the two sound outputs while maintaining the ability to provide integrated acoustic functionality.
Solution Approach 2:
Different regions of the device are provided with different acoustic characteristics through the segmented conduit system. The earpiece area receives optimized sound for call audio through the first conduit, while the loudspeaker area receives optimized sound for media audio through the second conduit. Each location has tailored acoustic properties suited to its specific usage scenario.
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
This configuration enhances sound output by efficiently directing sound waves to both the earpiece and loudspeaker areas, improving acoustic integration and user experience.
Implementation Method 1
a first conduit extending (e.g. from, in, or at least partially in the casing) to the second hole such that a diaphragm of the speaker is connected (e.g. acoustically) to the second hole. In other words, the first conduit is arranged to convey sound waves generated by the speaker (and in particular, by the diaphragm) to the second hole
Data Source
AI summary
An electronic device includes a display forming a first part of a front section of the electronic device, a first hole penetrating a second part of the front section in a first direction that the display faces, the second part of the front section surrounding the display and extending from a side section of the electronic device, a second hole penetrating the side section in a second direction perpendicular to the first direction, a casing and a speaker within the casing, a first conduit extending from the casing to the second hole such that a diaphragm of the speaker is connected to the second hole, and a second conduit extending from the first conduit to connect the diaphragm to the first hole. The second conduit includes a section inclined at an acute angle toward the first hole with respect to the second direction.