Headset Model Identification Using Passive Resistor
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Solution Overview
Problem
Existing headset identification methods require additional circuitry and connections, increasing cost and complexity, as they necessitate embedded memory or integrated circuits in headsets or connectors.
Innovation Solution
A system that uses a wire connector with a connection detection circuit and an output test circuit to issue a test signal and determine the headset model based on the resistance value of an identifier resistor, eliminating the need for additional circuitry by using a single passive resistor within the headset.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If embedded memory or integrated circuits are used for headset identification, then identification accuracy is improved, but device complexity and cost increase
Solution Approach 1:
The patent replaces expensive, complex embedded memory or integrated circuits with a simple, inexpensive passive resistor. The resistor serves as a disposable, single-use identification element that provides sufficient identification capability without the need for complex circuitry, thereby resolving the contradiction between identification accuracy and device complexity
Solution Approach 2:
The patent extracts the identification function from complex embedded memory or integrated circuits and implements it through a simple passive resistor. This extraction eliminates the need for additional signal connections or wires in the cable and reduces the need for additional circuitry in the adapter or base, thereby reducing device complexity while maintaining identification capability
2Measurement precision
If embedded memory or integrated circuits are used for headset identification, then identification capability is improved, but manufacturing cost increases
Solution Approach 1:
The patent substitutes expensive embedded memory or integrated circuits with a廉价的 passive resistor. This single passive component significantly reduces manufacturing costs while maintaining the ability to identify headset models, directly addressing the contradiction between identification capability and manufacturing cost
Solution Approach 2:
By extracting the identification function from complex, expensive components and implementing it through a simple passive resistor, the patent eliminates the need for additional circuitry in the adapter or base, thereby reducing overall manufacturing cost while preserving identification capability
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
This approach simplifies headset identification, reducing costs and complexity by enabling model recognition without additional circuitry, allowing for efficient and accurate identification of headsets through a resistor-based method.
Implementation Method 1
evaluate a response to the test signal, the response based upon a resistance value within the external device
Data Source
AI summary
An apparatus includes a wire connector configured to receive a connection to an external device. The external device includes a speaker and is configured to output audible sounds. The apparatus includes a connection detection circuit configured to determine whether the external device has connected to the apparatus through the wire connector. The apparatus includes an output test circuit configured to, upon detection of a connection to the external device, issue a test signal to the external device, evaluate a response to the test signal, the response based upon a resistance value within the external device, and determine an identity of the external device based upon the response to the test signal.