Sound Outputting Apparatus Guide Flow Paths
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Solution Overview
Problem
Existing sound outputting apparatuses face challenges in minimizing sound quality distortion due to reflection and obstacle issues caused by the structure of covering or arranging sound outputting modules, leading to non-uniform sound wave transmission.
Innovation Solution
A sound outputting apparatus with a slim design featuring a cover containing multiple guide flow paths, including outer holes and grooves, that guide sound waves uniformly in all directions, minimizing distortion by employing horn or inverse-horn shaped cross-sections and incorporating soundproof modules and noise cancellation devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a cover structure is used to minimize the area occupied by the sound outputting module, then the apparatus achieves a slim design with compact structure, but sound quality distortion occurs due to reflection and obstacles in the sound wave path
Solution Approach 1:
The cover is segmented into multiple regions: a first region with a through hole for direct sound output, and a second region with a wave guide structure for guided sound transmission. This segmentation allows different sound waves to take different paths, avoiding distortion while maintaining compact design.
Solution Approach 2:
A wave guide structure is introduced as an intermediary element between the sound outputting module and the external environment. This wave guide with its specific flow path structure (including a first flow path and a second flow path) mediates the sound wave transmission, preventing direct contact with obstructive surfaces while maintaining compact form factor.
2Ease of operation
If the sound outputting module is arranged inside the apparatus, then the speaker unit is not exposed to the outside through a slim design, but sound waves cannot be uniformly transmitted in all directions due to high-order sound modes
Solution Approach 1:
The wave guide structure is divided into multiple flow paths (first flow path and second flow path) that extend in different directions. This segmentation enables sound waves to be distributed uniformly in multiple directions while maintaining the slim, hidden speaker design.
Solution Approach 2:
The wave guide structure extends in multiple spatial dimensions with its first flow path and second flow path arranged to transmit sound in different directions. This multi-dimensional approach enables uniform omnidirectional sound transmission from the hidden speaker unit.
3Ease of manufacture
If a slot loading structure with wave guide is used to transmit sound waves, then the sound waves can be guided through the cover, but sound quality is degraded due to high-order sound modes inside the slot
Solution Approach 1:
The wave guide is segmented into multiple flow paths instead of a single slot. This segmentation prevents the formation of high-order sound modes that cause distortion, while still achieving effective sound transmission through the cover structure.
Solution Approach 2:
Different regions of the wave guide structure have optimized local characteristics: the first flow path and second flow path have specific cross-sectional area variations designed to control sound wave propagation and eliminate high-order modes in each local region.
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 achieves a flat frequency characteristic and improved sound quality by reducing sound wave reflections and obstacles, ensuring uniform sound transmission without distortion.
Implementation Method 1
a cover coupled to the base, the cover including a plurality of guide flow paths that respectively correspond to the plurality of speaker... each guide flow path... is configured to guide the output sound from the respective one of the plurality of speakers
Implementation Method 2
a structure with a slim design, where a speaker unit is not exposed to the outside through a cover including a structure of a plurality of guide flow paths in which a groove is formed and has a frequency characteristic that is flat in all directions of the sound outputting apparatus while minimizing distortion of sound
Data Source
AI summary
A sound outputting apparatus is provided. The sound outputting apparatus includes a base; a plurality of speakers configured to output sound; and a cover coupled to the base, the cover including a plurality of guide flow paths that respectively correspond to the plurality of speaker. Each of the plurality of guide flow paths includes an outer hole opened in a direction that extends away from the base from a respective one of the plurality of speakers, and further includes a groove that extends in a direction toward a center of the base from the respective one of the plurality of speakers. Each of the plurality of guide flow paths is configured to guide the output sound from the respective one of the plurality of speakers by dividing the output sound into the outer hole of the guide flow path and the groove of the guide flow path.