Wireless Headset Volume Switching Across Dual-SIM Call Systems

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Solution Overview

Problem

Mobile communication terminals with dual SIM cards face challenges in managing sound volumes during call connections, as they have two baseband chips with different sound qualities and volumes, requiring manual adjustment each time the call connection system changes.

Innovation Solution

A method and apparatus that pre-stores sound volume information for each system in a mobile communication terminal, allowing it to determine and transmit the appropriate sound volume level to connected devices, such as headsets, ensuring consistent sound output across different network systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a mobile communication terminal uses two baseband chips to support dual SIM cards and simultaneous call function, then the terminal can support two network systems and provide selective network service, but the terminal has two call sound sources with different sound volumes, requiring manual sound volume determination whenever call connection system changes

Engineering Contradiction:
Improvesupport for multiple network systemsVSAvoidmanual sound volume adjustment
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent pre-stores sound volume information corresponding to each network system in advance. When a call connection is established, the terminal automatically retrieves and applies the pre-stored sound volume information for the current network system, eliminating the need for manual adjustment when switching between network systems

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The terminal automatically determines and adjusts sound volume based on the current network system without requiring user intervention. The system monitors the active network system and autonomously selects the appropriate pre-stored sound volume information, making the terminal self-serve in sound volume management

Inventive Principle:
Principle #25Self-service

2Reliability

If the mobile communication terminal manually determines sound volume for each network system, then the user can control sound quality, but the user has to re-determine sound volume whenever switching between network systems, causing loss of time

Engineering Contradiction:
Improvesound volume control accuracyVSAvoidtime for re-determining sound volume
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

Sound volume information for each network system is pre-stored in advance during system setup or initial configuration. When switching network systems, the terminal simply retrieves the pre-stored information rather than requiring re-determination, significantly reducing time loss while maintaining reliable sound volume control

Inventive Principle:
Principle #10Preliminary action

3Adaptability or versatility

If the mobile communication terminal uses two baseband chips with different capabilities, then the terminal can support different network systems with their specific requirements, but the call sound sources have different sound qualities and volumes, creating inconsistency

Engineering Contradiction:
Improvecompatibility with different network systemsVSAvoidconsistency of sound output
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent applies different sound volume information specifically tailored to each network system's characteristics. By storing and applying network-specific sound volume settings, the system compensates for the inherent differences between baseband chips, achieving consistent perceived sound output across different network systems while maintaining their individual compatibility

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS8874163B2Method and apparatus for managing sound volume of wireless connection device in mobile communication terminal
Publication Date: 2014.10.28 SAMSUNG ELECTRONICS CO LTD
  • US8874163B2 patent drawing
  • US8874163B2 patent drawing
  • US8874163B2 patent drawing

AI summary

An apparatus and method for managing a sound volume of a wireless connection device in a mobile communication terminal are provided. The method includes pre-storing a sound volume level of the wireless connection device with respect to each system supported by the mobile communication terminal, and when a call is generated, requesting to determine a sound volume by transmitting to the wireless connection device a sound volume level of a system in which the call is generated among the sound volume levels pre-stored for the respective systems.