Smart Holster Automatic Gunshot Alert System

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Solution Overview

Problem

In tense situations, drawing a weapon can lead to poor decision-making and conflicting accounts due to high emotions and adrenaline, and existing systems lack effective real-time notification and recording capabilities to aid in post-event analysis.

Innovation Solution

A smart holster system equipped with a processor, magnetic sensor, decibel meter, recording device, and transmitter that detects weapon removal and gunfire, records video and audio, and automatically notifies Public Safety Access Points (PSAPs) without manual input, providing a clear record of events.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a weapon is drawn in a tense situation, then the individual can respond to the threat, but emotions and adrenaline lead to poor decision-making and conflicting accounts

Engineering Contradiction:
Improvedecision-making reliabilityVSAvoidemotional interference
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary actions by automatically detecting weapon draws and initiating recording before the situation escalates further. The magnetic sensor detects when the weapon leaves the holster and automatically triggers the recording device to capture video and audio evidence, eliminating the need for calm, deliberate decision-making during the critical moment.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system introduces an intermediary recording device that objectively captures the event. This intermediary (the recording device with magnetic sensor and decibel meter) serves as a neutral third party that documents the situation, providing reliable evidence that is not affected by emotional interference or conflicting human accounts.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Loss of time

If automatic notification systems are implemented, then response time to dangerous situations is reduced, but device complexity increases

Engineering Contradiction:
Improvenotification timeVSAvoidsystem complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The system merges multiple functions into a single integrated holster unit: weapon detection (magnetic sensor), audio analysis (decibel meter), video recording, and automatic notification (transmitter) are all combined in one device. This consolidation reduces the overall system complexity compared to having separate devices for each function while maintaining rapid automatic notification capability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The system performs self-service by automatically detecting dangerous situations and initiating notification without requiring manual input. The magnetic sensor automatically detects weapon draws, the decibel meter automatically detects gunshots, and the transmitter automatically sends alerts to PSAPs, eliminating the need for manual activation and reducing complexity of user interaction.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If multiple sensors and recording devices are integrated into the holster, then detection accuracy and evidence quality improve, but the holster weight and size increase

Engineering Contradiction:
Improvedetection accuracyVSAvoidholster weight
Core Design Contradiction:
Measurement precisionVSWeight of moving object

Solution Approach 1:

The system employs multi-functionality where a single magnetic sensor serves both as a weapon presence detector and a draw detection trigger. The decibel meter simultaneously functions as both a gunshot detector and an audio recording source. This multi-functional approach reduces the total number of components needed compared to having separate specialized devices for each function, thereby minimizing weight increase.

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

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

The smart holster system enables timely and accurate notification of potentially dangerous situations, preserving evidence and aiding in post-event analysis by providing a recorded account of events, thus helping to ensure justice and reduce conflicts in accounts.

Implementation Method 1

A magnetic sensor may be coupled to the holster body, the magnetic sensor configured to detect removal of the weapon from the smart holster

Methodology Applied
Scientific EffectMagnetic field detection: Magnetic Field

Implementation Method 2

A decibel meter may be coupled to the holster body, the decibel meter configured to detect a gunshot when sound at an intensity greater than or equal to 120 decibels is detected

Methodology Applied
Scientific EffectSound intensity measurement: Sound

Data Source

PatentUS11378355B1System for providing a third-party notification of weapon danger
Publication Date: 2022.07.05 HOWARD GABRIEL
  • US11378355B1 patent drawing
  • US11378355B1 patent drawing
  • US11378355B1 patent drawing

AI summary

A smart holster system may provide notifications of weapon danger, and may include a holster body with a first sensor. The first sensor may detect removal of the weapon from the holster body and indicate the weapon has been drawn. A second sensor coupled to the holster body may detect a gunshot. An indicator panel may include first, second, and third indicators. The first indicator may activate when the weapon has been drawn or the gunshot has been detected. The second indicator may activate after the weapon has been drawn and until the gunshot is detected or a predetermined amount of time elapses. The third indicator may activate after the gunshot is detected or the predetermined amount of time elapses after the weapon has been drawn. A transmitter may notify a Public Safety Access Point (PSAP) without entering a phone number in response to the third indicator being activated.