Bluetooth Landscape Lights Synchronized Audio via FM Relay
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Solution Overview
Problem
Current audio pathway/landscape lighting systems experience synchronization lag, echo, and reverberation issues due to the lack of effective wireless communication technology between speakers, leading to undesirable audio effects.
Innovation Solution
The integration of Bluetooth wireless communication technology with integrated speakers, receivers/transmitters, a printed circuit board control card, driver, amplifier, and FM receivers/transmitters in a system where a main unit synchronizes with slave units via a low-voltage power supply, eliminating lag by using Bluetooth to indicate readiness and disseminating audio signals through FM frequency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional audio speakers are used with pathway/landscape lighting, then lighting functionality is provided, but synchronization lag occurs between speakers at different locations
Solution Approach 1:
The patent combines multiple functions (lighting, Bluetooth communication, FM transmission, audio playback) into a single integrated pathway light device. The control unit coordinates all these functions to work together, ensuring that audio signals are synchronized across multiple devices while providing both lighting and audio capabilities from unified hardware units.
Solution Approach 2:
The patent introduces Bluetooth wireless communication and FM transmission as intermediary technologies to transfer audio signals between master and slave units. The control unit acts as an intermediary that receives Bluetooth signals, processes them, and transmits via FM to ensure synchronized audio playback across distributed speakers without temporal lag.
2Area of stationary object
If multiple speakers are placed at various locations, then audio coverage is improved, but echo effects occur due to lag between locations
Solution Approach 1:
The control unit in each slave unit receives feedback from the master unit via Bluetooth communication, allowing real-time synchronization of audio signals. This feedback mechanism ensures that all speakers across the expanded coverage area play audio simultaneously, preventing echo effects that would otherwise occur due to timing delays.
Solution Approach 2:
By integrating FM transmission capability into the pathway light devices, the system creates a unified audio distribution network where the master unit can simultaneously broadcast to multiple slave units. This merging of communication technologies ensures consistent audio timing across the entire coverage area, eliminating echoes while maintaining broad spatial coverage.
3Speed
If multiple speakers are distributed across locations, then audio reach is extended, but reverberation and noise effects increase
Solution Approach 1:
The patent replaces traditional wired audio transmission with Bluetooth wireless communication and FM transmission. This substitution enables rapid audio signal transmission to multiple distributed speakers simultaneously, extending audio reach while maintaining precise timing control through digital signal processing in the control units, thereby preventing reverberation and noise effects.
Solution Approach 2:
The pathway light devices are designed with universal multi-functionality, incorporating both master and slave unit capabilities. Each device can function as a master unit with Bluetooth reception and FM transmission, or as a slave unit receiving FM signals. This universal design ensures consistent audio signal transmission speed and timing across all devices in the network, extending audio reach without creating harmful reverberation or noise effects.
Data Source
AI summary
Audio landscape/pathway lights, devices, apparatus, systems and methods using BLUETOOTH wireless communication technology with integrated speakers, receivers/transmitters, outdoor speaker, PCB control card, driver, amplifier and FM receivers/transmitters. A single primary unit, which can be a pathway (landscape) light, can have a BLUETOOTH receiver and an FM transmitter, a speaker and a light (LED) and LED control. Secondary units can each contain a pathway/landscape light and FM receivers and speaker, and LED control. A Bluetooth enabled device from a portable digital device can send BLUETOOTH audio signals to the primary unit which automatically relays the audio signal to the secondary units so that the audio signal (music, words, and the like) can be synchronized and played simultaneously at all the units without lag time, echoes or reverberation, and without any other undesirable noise effects.