Switching system, switching circuit and signal switching method of aux in socket
By using the switching circuit and logic module of the AUX IN socket, the logic chip is used to determine the signal differential voltage and control the analog switch to switch the signal path, which solves the problem that the existing technology cannot automatically switch between Boom MIC and onboard MIC modes, and realizes intelligent mode and functional diversity.
CN116367028BActive Publication Date: 2026-07-17SHENZHEN 3NOD DIGITAL TECH
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENZHEN 3NOD DIGITAL TECH
- Filing Date
- 2021-12-28
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing technology cannot distinguish between Boom MIC insertion and AUDIO LINE IN insertion, making it impossible to automatically switch between Boom MIC mode and onboard MIC mode.
Method used
The switching circuit using the AUX IN socket achieves automatic switching between the Boom MIC signal and the onboard MIC signal through logic modules and analog switches. The logic chip determines and outputs a high or low level based on the signal differential voltage, controlling the analog switch to switch the signal transmission path.
Benefits of technology
It enables automatic switching between Boom MIC mode and onboard MIC mode, increasing the device's intelligence and functional versatility.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN116367028B_ABST
Abstract
The embodiment of the application belongs to the technical field of audio equipment, and relates to a switching system, a switching circuit and a signal switching method of an AUX IN socket, wherein the switching circuit comprises: an AUX IN socket, a first pin of the AUX IN socket is output as a Boom MIC signal; an on-board MIC, an output of the on-board MIC is an on-board MIC signal; a logic module, the logic module comprises a logic chip, whether an input signal is received at a fifth pin or a ninth pin of the logic chip, and the logic chip is switched to output a high level or a low level at a fourteenth pin; and an analog switch, the analog switch switches a moving terminal of the analog switch between a passage line of the on-board MIC signal and a passage line of the Boom MIC signal according to a high level or a low level output by the logic chip. Automatic switching of a Boom MIC mode and an on-board MIC mode is realized.
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