Hall Sensor Shooting Mode Detection for Detachable Camera Mobile Terminals

Solution Overview

Problem

Existing mobile terminals with detachable camera modules require additional modifications, such as holes or contact points, to detect shooting modes, which compromises the device's aesthetics and increases costs.

Innovation Solution

The use of a first Hall sensor and a second Hall sensor, along with a magnetic structural element on the camera module, allows for the detection of shooting modes without modifying the mobile terminal's appearance, by differing magnetic field strengths detected by the Hall sensors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a special detection apparatus is added to detect shooting mode, then the shooting mode detection function is improved, but the appearance of the mobile terminal is modified (holes or contact points are added)

Engineering Contradiction:

Improveshooting mode detection functionVSAvoidappearance of mobile terminal

Core Design Contradiction:

Adaptability or versatilityVSShape

Solution Approach 1:

The invention extracts the detection function from a separate detection apparatus and integrates it into existing components (accelerometer or Hall sensor). This eliminates the need for additional detection apparatus that would require modifying the terminal appearance with holes or contact points, while maintaining the shooting mode detection capability.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The invention makes existing components (accelerometer or Hall sensor) perform multiple functions: their original functions plus shooting mode detection. By using these components that already exist in the terminal for dual purposes, no additional apparatus is needed, thus preserving the terminal appearance while achieving detection functionality.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If a special detection apparatus is added to detect shooting mode, then the shooting mode detection function is improved, but the cost of the mobile terminal increases

Engineering Contradiction:

Improveshooting mode detection functionVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The invention makes existing components (accelerometer or Hall sensor) perform multiple functions: their original functions plus shooting mode detection. By using these components that already exist in the terminal for dual purposes, no additional apparatus is needed, thus preserving the terminal appearance while achieving detection functionality.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The invention extracts the detection function from a separate detection apparatus and integrates it into existing components (accelerometer or Hall sensor). This eliminates the need for additional detection apparatus that would require modifying the terminal appearance with holes or contact points, while maintaining the shooting mode detection capability.

Inventive Principle:

Principle #2Taking out (Extraction)

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 solution enables the determination of shooting modes with simple logic and low costs, preserving the mobile terminal's aesthetics and eliminating the need for additional modifications.

Implementation Method 1

a first Hall sensor and a second Hall sensor, where the first Hall sensor and the second Hall sensor are respectively electrically connected to a processor built in the terminal body and fixedly arranged on a side on which the placement portion of the terminal body is located

Methodology Applied

Scientific EffectHall effect: Hall Effect

Data Source

PatentUS12279040B2Mobile terminal having detachably connected camera module, hall sensor, and magnet, shooting mode detection method, and storage medium

Publication Date: 2025.04.15 VIVO MOBILE COMM CO LTD

AI summary

A mobile terminal, a shooting mode detection method, and a storage medium are provided. The mobile terminal includes a terminal body which has a placement portion for placing a camera module. The mobile terminal further includes the camera module detachably connected to the terminal body. The mobile terminal also includes a first Hall sensor and a second Hall sensor. The first Hall sensor and the second Hall sensor are respectively electrically connected to a processor built in the terminal body and fixedly arranged on a side on which the placement portion of the terminal body is located. The mobile terminal additionally includes a magnetic structural element which is fixed on an end of the camera module close to the placement portion. When the camera module is placed on the placement portion, the magnetic structural element is opposite to the first Hall sensor or the second Hall sensor.