Integrated Bone Conduction Device Oral Cavity Placement
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Solution Overview
Problem
Traditional bone conduction sound generating devices face limitations in improving sound quality due to their narrow frequency domain, leading to increased volume, weight, and complexity when attempting to enhance sound quality by adding multiple devices.
Innovation Solution
An integrated bone conduction sound generating device that combines a controller, a sound generating structure, and a functional structure, allowing the device to be placed in the oral cavity for improved sound quality without the need for multiple devices, thus reducing volume and weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple bone conduction sound generating devices are used to improve sound quality, then sound quality is improved, but volume and weight are greatly increased
Solution Approach 1:
The patent combines multiple sound generating structures with different frequency response ranges into a single integrated device. The controller coordinates multiple energy conversion units (each with different frequency characteristics) to work together, achieving broad frequency coverage and high sound quality without needing multiple separate devices. This merging approach directly resolves the contradiction by consolidating what would otherwise require multiple devices into one unit.
Solution Approach 2:
The integrated sound generating device performs multiple functions within a single structure: it generates different frequency ranges through multiple energy conversion units, processes audio signals through the controller, and transmits vibrations through the functional structure. This multi-functionality allows one device to replace what would traditionally require multiple specialized devices, reducing overall weight while maintaining sound quality.
2Reliability
If multiple bone conduction sound generating devices are used to improve sound quality, then sound quality is improved, but device complexity is greatly increased
Solution Approach 1:
The patent merges multiple sound generating structures and their control systems into a single integrated device. The controller统一管理 (unified management) multiple energy conversion units, coordinating their operation to produce different frequency ranges. This consolidation reduces the complexity that would arise from using multiple separate devices, as all components work together within one unified system rather than requiring coordination between multiple independent devices.
3Reliability
If traditional bone conduction device is attached to body surface, then it can transmit vibration, but installation space is severely restricted and positioning is inconvenient
Solution Approach 1:
The patent moves the sound generating device from external body surface attachment to internal oral cavity placement. This dimensional change in positioning (from external to internal) provides several advantages: the oral cavity offers more stable positioning, better contact with bone structures for efficient vibration transmission, and no aesthetic concerns. The functional structure can be positioned within the oral cavity to directly contact teeth or bone, achieving reliable vibration transmission while greatly improving ease of operation and user acceptance.
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 integrated device achieves improved sound quality comparable to increasing the number of devices, while significantly reducing the volume and weight, and minimizing sound quality loss, thus offering a more convenient and effective solution.
Implementation Method 1
the power receiving element in each energy conversion unit includes one first magnet body, and the vibrating element includes one second magnet body or two second magnet bodies; or, the power receiving element in each energy conversion unit includes two first magnet bodies, and the vibrating element includes one second magnet body
Implementation Method 2
the power receiving element of each energy conversion unit includes a vibrating membrane, and the vibrating element includes at least one piezoelectric sheet
Implementation Method 3
the functional structure is connected with the sound generating structure, and when touching the oral cavity or the teeth of an object to which a sound is to be transmitted, is configured to transmit through the oral cavity or the teeth the vibration signal to the auditory system
Data Source
AI summary
Provided in the present disclosure are an integrated bone conduction sound generating device and method. The device includes a controller, a sound generating structure and a functional structure, and the three components are integrated together. The functional structure can touch the oral cavity and/or the teeth of the human body, and after the controller drives the sound generating structure to generate a vibration signal, the functional structure can transmit the vibration signal to the auditory system of the human body through the oral cavity and/or the teeth of the human body.