Fingerprint-Controlled Self-Portrait Capture Mechanism

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Solution Overview

Problem

Existing digital cameras and smartphones lack efficient mechanisms for capturing self-portraits, as users must perform button clicks or slides to adjust focus and exposure, leading to inaccurate or unsteady images, and digital cameras require users to face the lens without displaying the image, making it difficult to capture or adjust self-portraits conveniently.

Innovation Solution

An electronic device with a control system that includes a camera, fingerprint identification units, and a display screen, where fingerprint signals control focus and exposure adjustments, allowing for automated focusing and image capture without manual button operations, enabling convenient self-portrait capture.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a user uses the smart phone to capture a self-portrait by manually clicking or sliding buttons, then the user can adjust focus and capture photos, but the image becomes inaccurate or unsteady due to finger operations

Engineering Contradiction:

Improveconvenience of self-portrait captureVSAvoidimage accuracy and steadiness

Core Design Contradiction:

Ease of operationVSMeasurement precision

Solution Approach 1:

The system uses fingerprint identification to automatically trigger photo capture and focus adjustment without requiring manual button operations. The fingerprint module detects the user's fingerprint signal and automatically initiates the shooting process, eliminating the need for finger clicking or sliding that causes image instability.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical button operations with biometric fingerprint recognition. Instead of using fingers to press physical or virtual buttons, the system uses fingerprint signals to trigger capture functions, substituting mechanical interaction with biometric authentication that does not interfere with camera stability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If a user uses the digital camera to capture a self-portrait, then the user can face the camera lens, but the user cannot see the image on a display screen to capture or adjust the image appropriately

Engineering Contradiction:

Improveability to face camera for self-portraitVSAvoidconvenience of image observation and adjustment

Core Design Contradiction:

Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system switches between different display dimensions: when the camera is held in selfie mode, the display shows a rear view of the user (different spatial orientation) rather than the traditional front-facing view. This allows the user to see themselves on the display screen while still facing the camera lens, providing both visual feedback and proper positioning.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Extent of automation

If fingerprint identification units are added to enable automated focus and capture, then self-portrait capture convenience is improved, but device complexity increases

Engineering Contradiction:

Improveautomated focus and image captureVSAvoidnumber of components in control system

Core Design Contradiction:

Extent of automationVSDevice complexity

Solution Approach 1:

The fingerprint identification module serves multiple functions: it acts as both a security authentication mechanism and a photo capture trigger. By integrating these functions into a single component, the system achieves automated capture without adding excessive complexity, as the fingerprint module is already a standard component in modern smartphones.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS9225906B2Electronic device having efficient mechanisms for self-portrait image capturing and method for controlling the same

Publication Date: 2015.12.29 CHIUN MAI COMM SYST INC

AI summary

An electronic device includes a camera device for capturing images and a fingerprint identification unit for receiving signals of fingerprints. The electronic device detects a signal received from the fingerprint identification unit, and controls the camera device to focus a specified scene of the camera device and capturing an image of the specified scene, when the detected signal is a press signal.