Vehicle Audio Interface for Closed-Window Drive-Through Communication
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Solution Overview
Problem
Existing drive-through communication systems require vehicle occupants to lower their windows, exposing them to inclement weather and potential health risks, as they must orally communicate with service providers while keeping the vehicle's cabin sealed.
Innovation Solution
A two-way audio communication system with an exterior-positioned microphone and loudspeaker, removably attached to the vehicle using magnets or suction cups, allowing wireless communication between the vehicle's occupants and external service providers without opening the windows, utilizing an internal communication component and external transceiver for secure and weatherproof interaction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the vehicle window is lowered to enable oral communication with service providers, then communication effectiveness is improved, but occupant protection from weather and pathogens deteriorates
Solution Approach 1:
The patent introduces an external microphone and speaker system mounted on the vehicle exterior as intermediaries. The external microphone captures speech from service providers outside the vehicle, and the external speaker reproduces speech from occupants inside the vehicle, enabling clear oral communication without the need to lower windows and thus protecting occupants from weather and pathogens while maintaining effective two-way communication
Solution Approach 2:
The patent replaces the mechanical action of lowering the window with an electronic audio transmission system. Instead of physically opening the window to enable sound transmission, the system uses external microphones and speakers to electronically transmit audio signals, substituting a mechanical operation with an electronic solution that achieves the same communication function while maintaining window closure
2Object-affected harmful factors
If the vehicle window is kept raised to protect occupants, then protection from weather and pathogens is improved, but communication effectiveness deteriorates
Solution Approach 1:
The external microphone and speaker mounted on the vehicle exterior serve as intermediaries that bridge the acoustic barrier created by closed windows. The external microphone positioned outside captures speech from service providers clearly, and the external speaker positioned outside reproduces speech from occupants, enabling effective communication while windows remain raised for protection
3Ease of operation
If an external communication device is added to the vehicle, then communication capability is improved, but device complexity increases
Solution Approach 1:
The patent combines the external microphone, external speaker, and mounting structure into a single integrated external communication device assembly. This merging of components into one unified unit simplifies installation and reduces the number of separate parts that need to be managed, thereby improving communication capability while minimizing the increase in device complexity
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
Enables secure, weatherproof, and hygienic communication between vehicle occupants and external service providers, maintaining the vehicle's cabin sealed while ensuring effective oral communication through wireless transmission, thus protecting occupants from rain, cold, and potential pathogens.
Implementation Method 1
a magnet positioned on a bottom surface of the housing opposite the contact surface, the magnet held in the aperture by the padding and recessed from the contact surface by a gap
Data Source
AI summary
A communication system for vehicles allowing occupants of an interior cab of the vehicle to orally communicate with persons outside the vehicle while all windows and doors of the vehicle are closed. The system employs an internal communications component in operative communication with an exterior communications component to communicate voice communications to and from both the person outside the vehicle and the occupants of the sealed interior cab of the vehicle.