Touch Bluetooth Headset Antenna Miniaturization
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Solution Overview
Problem
Existing Bluetooth headsets face challenges in achieving a longer signal transmission distance while maintaining a compact size, leading to poor user experience and unsightly large dimensions.
Innovation Solution
A touch Bluetooth headset design featuring a flexible touchpad with multiple metal contacts, a main board, pillars, and an additional Bluetooth antenna positioned on the touchpad, which allows for miniaturization and reduces electromagnetic shielding by separating the antenna from the main board.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the Bluetooth headset is miniaturized in volume, then the boundary dimension is reduced, but the signal transmission distance deteriorates
Solution Approach 1:
The patent utilizes the flexible touchpad as a three-dimensional surface to accommodate the Bluetooth antenna, allowing the antenna to be positioned on the touchpad rather than flat on the main board. This spatial reconfiguration enables better signal transmission without increasing the headset's overall volume, effectively resolving the contradiction between miniaturization and transmission distance.
2Device complexity
If the Bluetooth antenna is positioned close to the main board, then the device complexity is reduced, but electromagnetic shielding increases
Solution Approach 1:
The flexible touchpad serves as an intermediary medium between the main board and the Bluetooth antenna. By positioning the antenna on the touchpad surface rather than directly on the main board, the touchpad acts as a spatial separator that reduces electromagnetic interference while maintaining structural integration, thus resolving the contradiction between device simplicity and electromagnetic shielding.
Data Source
AI summary
A touch Bluetooth headset includes a housing, a touchpad, a main board, a Bluetooth antenna, a first thimble and a second thimble. The touchpad is a flexible touchpad, the main board and the touchpad are opposite and fixed on the housing, and the touchpad is provided with a plurality of metal contacts. The first thimble and the second thimble have one end fixed to the main board and other end extending toward the touchpad and abutting against the metal contacts. The Bluetooth antenna is laid on the touchpad and connected to the metal contacts. The touch Bluetooth headset may be designed to be more miniaturized; additionally, an additional Bluetooth antenna is added in the touchpad and the Bluetooth antenna is jacked up by the above thimbles, which reduces the electromagnetic shielding, thereby the micro Bluetooth headset has a better signal transmission distance.