USB Connector Digital Analog Data Switching
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Solution Overview
Problem
Existing solutions for communicating both digital and analog data over a USB bus require separate connectors or larger connectors, increasing product costs and failing to efficiently manage both data types with a single low-cost connector.
Innovation Solution
An electronic apparatus with interface means and control means to determine whether it is coupled to a digital or analog device, using switching means such as a field effect transistor (FET) switch to couple the connector to either a digital or analog element, enabling both data types to be transmitted over a single USB connector.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate electrical connectors are provided for digital and analog data, then both data types can be transmitted, but product cost significantly increases
Solution Approach 1:
The patent implements a universal connector design where a single USB connector handles both digital and analog data transmission. The system uses control circuitry to detect the device type (digital or analog) and dynamically switches the connector's function accordingly, eliminating the need for separate connectors for different data types.
Solution Approach 2:
The patent employs dynamic switching mechanisms including FET switches and analog switches that can change the connector's operational mode based on real-time detection of the connected device. This dynamic reconfiguration allows the same physical connector to adapt its electrical characteristics and signal routing for different data types without requiring multiple static connectors.
2Adaptability or versatility
If a connector physically larger than typical USB connector is used, then both digital and analog data can be transmitted, but product cost increases
Solution Approach 1:
The patent achieves multi-functionality within the standard USB connector form factor by using intelligent control circuitry and switching mechanisms. Instead of increasing physical size, the system makes the existing connector adaptable to different data types through electronic control, maintaining cost-effectiveness while achieving the desired versatility.
3Adaptability or versatility
If conventional multiplexing approaches are used to transmit both data types, then a single connector can be used, but high-speed digital signal transmission is compromised
Solution Approach 1:
The patent uses dynamic switching with FET-based circuitry that can rapidly transition between digital and analog modes. The switching mechanism is designed to maintain signal integrity for high-speed digital transmission when in digital mode, while enabling analog signal passage when needed, avoiding the performance degradation associated with conventional multiplexing.
Solution Approach 2:
The patent introduces control circuitry and switching elements as intermediaries between the USB connector and the data processing paths. These intermediaries intelligently route digital signals directly to digital processing circuits and analog signals to analog processing circuits, preventing signal degradation and maintaining high-speed digital transmission capability while enabling analog functionality.
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 efficient communication of both digital and analog data over a single USB connector, reducing costs and maintaining compatibility with high-speed digital signals, while avoiding the limitations of conventional multiplexing approaches.
Implementation Method 1
Switching means couples the interface means to one of a digital element and an analog element responsive to the determination
Data Source
AI summary
An electronic apparatus such as an audio apparatus enables both digital and analog data to be communicated over a data bus such as a universal serial bus (USB) with a single low-cost connector such as a USB connector. According to an exemplary embodiment, the electronic apparatus includes a connector operative to couple the electronic apparatus to one of a digital device and an analog device. A controller is operative to determine whether the connector is coupled to the digital device or the analog device. A switch is operative to couple the connector to one of a digital element and an analog element responsive to the determination.