Dielectric Wooden Touch Interface for Streaming Loudspeaker Control
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Solution Overview
Problem
Existing capacitive touchscreens in loudspeakers lack a user-friendly and aesthetically pleasing interface, and they do not integrate wireless connectivity for streaming audio content.
Innovation Solution
A wireless-enabled loudspeaker with a wooden or other dielectric capacitive touch user interface, featuring a processor, electroacoustic transducers, and a wireless transceiver circuit, allowing users to control the loudspeaker's operation and stream audio content wirelessly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional capacitive touchscreen with transparent conductor coating is used, then touch control functionality is achieved, but aesthetic appeal and user-friendliness are compromised
Solution Approach 1:
The patent introduces a dielectric material layer as an intermediary between the transparent conductor coating and the user's finger. This dielectric layer with higher permittivity enhances the capacitive coupling effect, allowing for more sensitive and responsive touch detection. This improvement in touch sensitivity and responsiveness directly enhances ease of operation without compromising the visual appearance, as the dielectric layer can be made transparent or aesthetically pleasing while maintaining the aesthetic appeal of the interface.
2Adaptability or versatility
If wireless transceiver circuit and streaming capabilities are added, then functionality and user experience are enhanced, but device complexity increases
Solution Approach 1:
The patent implements a wireless transceiver circuit that enables the loudspeaker to perform multiple functions: receiving audio streams wirelessly, transmitting control signals, and enabling bidirectional communication for software updates and diagnostics. By integrating these wireless capabilities into a single multi-functional module, the system achieves enhanced adaptability and versatility without proportionally increasing overall device complexity. The unified wireless interface handles multiple communication protocols and functions through a single hardware platform.
Solution Approach 2:
The patent combines the wireless transceiver, processing unit, and control interface into an integrated system where the same processor handles both audio processing and wireless communication tasks. The capacitive touch interface serves dual purposes: local control and wireless communication trigger. This merging of functions into unified components and processes reduces the overall system complexity compared to having separate dedicated modules for each function.
3Measurement precision
If capacitive sense electrodes are integrated into the wooden exterior surface, then touch control precision is improved, but manufacturing complexity increases
Solution Approach 1:
The patent implements capacitive sense electrodes at specific localized positions on the wooden exterior surface corresponding to functional control zones (volume control, power toggle, track navigation). Rather than requiring a complete capacitive sensor array across the entire surface, the electrodes are strategically placed only where touch input is needed. This localized approach maintains high measurement precision for control operations while significantly simplifying the manufacturing process compared to full-surface electrode integration.
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 capacitive touch interface provides a user-friendly control mechanism, while the wireless connectivity enables seamless streaming of audio content, enhancing the loudspeaker's functionality and user experience.
Implementation Method 1
a capacitive touch user interface that comprises at least one capacitive sense electrode in communication with the processor, and the wooden exterior surface acts a dielectric for the capacitive touch user interface
Implementation Method 2
the wooden exterior surface acts a dielectric for the capacitive touch user interface
Implementation Method 3
at least one electroacoustic transducer for producing audible sound
Data Source
AI summary
Wireless-enabled loudspeaker includes a capacitive touch user interface. The loudspeaker may comprise at least one electroacoustic transducer, a processor in communication with the at least one electroacoustic transducer, and an exterior surface comprising a capacitive touch user interface that allows a user to control operation of the loudspeaker. The exterior surface acts a dielectric for the capacitive touch user interface. The loudspeaker may comprise a wireless transceiver circuit for receiving and transmitting wireless communication signals via a wireless network. The wireless transceiver circuit may receive wirelessly audio content from streaming audio content servers that are connected to the Internet. The capacitive touch user interface comprises a plurality of capacitive sense electrodes.