Wireless Earphone Amplifier Bypass for Lower Power Use

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Solution Overview

Problem

Wireless earphones face limited battery life due to high power consumption, which is exacerbated by their small size and the need for efficient power management to maintain signal quality across various usage scenarios.

Innovation Solution

A wireless earphone control method and apparatus that dynamically adjusts the amplifier gain based on signal quality parameters and working scenarios, utilizing a bypass branch and control switch to reduce power consumption by either reducing amplifier gain or switching to a bypass mode when signal quality exceeds a threshold, thereby extending battery life.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the amplifier gain is increased to maintain signal quality, then the signal quality parameter is improved, but the power consumption increases and battery life decreases

Engineering Contradiction:
Improvesignal qualityVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The patent implements dynamic gain adjustment by continuously monitoring signal quality parameters and adapting the amplifier gain in real-time. The controller dynamically switches between different gain levels (first gain level when signal quality is poor, second gain level when signal quality is good) based on current operating conditions, transforming the static amplifier into a dynamic system that optimizes power consumption while maintaining signal quality.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent changes the operational parameters of the amplifier by introducing multiple gain levels and switching between them based on signal quality conditions. The controller monitors signal quality parameters and adjusts the amplifier gain parameter accordingly, selecting from different discrete gain levels to optimize the trade-off between signal quality and power consumption.

Inventive Principle:
Principle #35Parameter changes

2Use of energy by moving object

If the amplifier gain is reduced to lower power consumption, then the power consumption decreases and battery life is extended, but the signal quality parameter deteriorates

Engineering Contradiction:
Improvepower consumptionVSAvoidsignal quality
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

The patent implements a feedback mechanism where the controller continuously monitors signal quality parameters and uses this information to adjust the amplifier gain. The signal quality parameter serves as feedback that informs the controller whether to switch between different gain levels, creating a closed-loop control system that maintains signal quality while optimizing power consumption.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system dynamically adjusts the amplifier gain based on real-time signal quality conditions. When signal quality is sufficient, the controller switches to a lower gain level (second gain level) to reduce power consumption. When signal quality deteriorates, the controller switches to a higher gain level (first gain level) to maintain acceptable signal quality, creating a dynamic response to changing conditions.

Inventive Principle:
Principle #15Dynamics

3Reliability

If a fixed amplifier gain is used to ensure adequate signal quality in all scenarios, then the signal quality is maintained, but the power consumption is high across all usage conditions

Engineering Contradiction:
Improvesignal qualityVSAvoidusage duration
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent transforms the fixed gain amplifier into a dynamic system that adapts to different usage scenarios. The controller monitors signal quality parameters and dynamically switches between at least two different gain levels, allowing the system to use lower power consumption settings when conditions permit while maintaining signal quality, thereby extending overall usage duration.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent introduces multiple discrete gain levels (first gain level and second gain level) and switches between them based on signal quality conditions. This parameter change approach allows the amplifier to operate at different power consumption levels appropriate to the current signal environment, optimizing the trade-off between signal quality and usage duration.

Inventive Principle:
Principle #35Parameter changes

4Reliability

If the amplifier operates at high gain levels to handle poor signal conditions, then the signal quality is improved, but the battery life is reduced

Engineering Contradiction:
Improvesignal qualityVSAvoidbattery life
Core Design Contradiction:
ReliabilityVSDuration of action of stationary object

Solution Approach 1:

The patent implements dynamic gain control that adapts to signal conditions in real-time. The controller monitors signal quality parameters and switches between different gain levels, using higher gain (first gain level) only when signal quality is poor and lower gain (second gain level) when signal quality is adequate, thereby extending battery life while maintaining signal quality when possible.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent introduces multiple gain level parameters (first gain level and second gain level) and dynamically changes between them based on monitored signal quality conditions. This parameter switching strategy reduces the time spent at high power consumption levels, thereby extending battery life while ensuring signal quality is maintained when high gain is necessary.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS20240365038A1Wireless earphone control method, apparatus and electronic device
Publication Date: 2024.10.31 VIVO MOBILE COMM CO LTD
  • US20240365038A1 patent drawing
  • US20240365038A1 patent drawing
  • US20240365038A1 patent drawing

AI summary

This disclosure discloses a wireless earphone control method and an electronic device, applied to a wireless earphone which includes: a transceiver, amplifier, control switch and antenna, where a first end of the amplifier is electrically connected to the transceiver, a second end thereof is electrically connected to the antenna, a bypass branch provided with the control switch is disposed between the first end and the second end. The method includes: obtaining a target parameter which includes a signal quality parameter of a target signal on the transceiver; if the signal quality parameter is greater than a signal parameter threshold and a gain of the amplifier is greater than 0, reducing the gain of the amplifier; if the signal quality parameter is greater than the signal parameter threshold and the gain of the amplifier is equal to or less than 0, controlling the control switch to be in a conducted state.