Cloud-Based Infrared Signal Protocol Detection and Model Generation
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Solution Overview
Problem
Existing infrared (IR) controlled devices and appliances are difficult to use with third-party equipment due to proprietary signal protocols, making direct signal recording inefficient and often ineffective.
Innovation Solution
A cloud-based infrared signal protocol detector that captures and processes IR signals, matches them to existing signal models, and generates new signal models for undetectable protocols, enabling interoperability with third-party devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If direct signal recording is used to transfer IR protocols to third-party equipment, then interoperability is achieved, but the process is inefficient and often ineffective
Solution Approach 1:
The patent introduces a cloud-based service as an intermediary between the original IR remote control and third-party equipment. The service captures IR signals, decodes them to extract protocol characteristics, stores these in a database, and provides them to third-party devices. This mediator approach eliminates the need for direct recording while enabling effective protocol transfer through centralized signal intelligence.
Solution Approach 2:
Instead of directly copying and transferring IR signals through recording, the patent creates abstract representations of protocols by decoding signals into their fundamental characteristics (pulse widths, frequencies, bit patterns). These decoded protocol models are then stored and reused, providing a more reliable and efficient copying mechanism that works across different device types.
2Reliability
If proprietary signal protocols are used by manufacturers, then device control reliability is maintained, but compatibility with third-party equipment is reduced
Solution Approach 1:
The patent segments the proprietary IR protocol into its fundamental components: carrier frequency, pulse width modulation patterns, bit encoding schemes, and timing intervals. By breaking down the proprietary protocol into these separable elements, the system can analyze and replicate the essential control mechanisms while adapting them for use with third-party equipment, thus maintaining reliability through faithful protocol reproduction while achieving compatibility.
Solution Approach 2:
The system captures and analyzes specific parameters of proprietary IR protocols (frequency, duty cycle, pulse durations, bit patterns) and reproduces these parameters in the cloud-based service. By precisely preserving these critical parameters, the system maintains the reliability of device control while enabling third-party equipment to communicate using the same protocol parameters, thus achieving compatibility without sacrificing control accuracy.
3Measurement precision
If signal protocols are captured and decoded in the cloud, then protocol detection accuracy is improved, but system complexity increases
Solution Approach 1:
The patent moves the complex signal processing and protocol analysis operations from the local device dimension to the cloud dimension. The third-party equipment only needs to capture raw IR signals and transmit them to the cloud service, while the heavy lifting of decoding, analyzing, and extracting protocol characteristics is performed remotely. This dimensional shift reduces local system complexity while enabling sophisticated protocol detection through cloud-based computational resources.
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 system allows for efficient detection and recreation of IR signal protocols, enabling seamless operation of IR-controlled devices with third-party equipment, reducing the need for direct signal recording and overcoming proprietary limitations.
Implementation Method 1
an infrared (IR) receiver configured to receive infrared signals for infrared-controllable devices
Data Source
AI summary
A cloud-based infrared signal protocol detector that is able to detect signal protocols for infrared-controlled devices and appliances and is able to generate new signal models for infrared signal protocols that cannot be detected. In an embodiment, the cloud-based infrared signal protocol detector comprises a signal capture and processing circuit, a cloud-based service comprising a signal protocol detector, an IR signal database comprising one or more signal models, and a new signal model manager.