Smartphone Case Electromagnetic Locking Mechanism

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Solution Overview

Problem

Conventional smartphone carrying devices lack sufficient security, making it easy for thieves to remove the smartphone from belts or other anchors.

Innovation Solution

A protective case with a locking mechanism that uses wireless pairing and electromagnets to securely attach the smartphone to an anchor pin, which can only be released via a wireless unlock command from a security application, ensuring the smartphone remains locked until authorized.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a conventional carrying device is used to attach a smartphone to a belt, then the smartphone is easily accessible, but the security level is insufficient and the smartphone can be easily removed

Engineering Contradiction:
Improvesecurity levelVSAvoidease of removal
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces conventional mechanical attachment systems with an electromagnetic locking mechanism. Electromagnets mounted on the smartphone case attract and hold the smartphone securely to the belt, replacing traditional mechanical buckles or clips. This electromagnetic system provides significantly stronger holding force and security while maintaining ease of operation through electronic control.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the physical state and parameters of the attachment system by using electromagnetic fields instead of mechanical forces. The electromagnets can dynamically adjust their holding force through electrical control, allowing the system to transition between strongly locked and easily released states, thus resolving the contradiction between security and ease of operation.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If a secure locking mechanism is implemented, then the smartphone is difficult to remove, but the device complexity increases

Engineering Contradiction:
Improvedifficulty of removalVSAvoidlocking mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent integrates multiple functions into the smartphone case itself. The case houses both the electromagnets for secure attachment and the wireless communication circuitry for control and unlocking. This multi-functional design achieves strong security without proportionally increasing overall device complexity, as the case serves as both protective housing and functional platform.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent introduces wireless communication as an intermediary control layer between the user and the locking mechanism. Instead of direct mechanical interaction, the system uses wireless signals to control the electromagnets, simplifying the user interface while maintaining secure physical attachment. This intermediary layer reduces the perceived complexity for the end user.

Inventive Principle:
Principle #24Intermediary (Mediator)

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

Provides a high level of security by preventing unauthorized removal of the smartphone from anchors, ensuring it remains securely attached until the user initiates the unlock command.

Implementation Method 1

an electromagnet proximate the bore, when activated, causes the locking pin to retract, releasing the anchor pin

Methodology Applied
Scientific EffectElectromagnet: Electromagnet

Implementation Method 2

at least one locking pin urged toward the opening by a spring element in a direction parallel to the plane of the planar portion

Methodology Applied
Scientific EffectSpring: Spring

Data Source

PatentUS9130652B2Security lock for smartphones
Publication Date: 2015.09.08 PIERSON CYNDY
  • US9130652B2 patent drawing
  • US9130652B2 patent drawing
  • US9130652B2 patent drawing

AI summary

A protective case for a smartphone has a planar portion of the length and width of the smartphone, an upper portion shaped to capture a smartphone leaving a touchcreen of unobstructed, the upper portion enabled to fasten to the planar portion, an opening into the planar portion, the opening having an axis at right angles to the plane of the planar portion on a side opposite the upper portion, pairing circuitry enclosed in the protective case for wirelessly pairing with the smartphone, a power source enclosed in the planar portion for powering circuitry and mechanisms in the protective case, a locking mechanism in the planar portion proximate the opening, enabled to engage to an anchor pin inserted into the opening, and circuitry enabled to accept an unlock command via wireless communication from a smartphone executing a security application, the command causing the locking mechanism to release from an anchor pin.