Intermittent Sound Device With Random Interval Control

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Solution Overview

Problem

Existing prank devices lack the ability to emit intermittent sounds discreetly and randomly, making them detectable and limiting their effectiveness in surprising unsuspecting individuals.

Innovation Solution

A self-contained device that interfaces with a power source via USB or outlet, emitting intermittent sounds at random or set intervals, featuring a user interface for sound selection and interval control, allowing for discreet operation and varied prank scenarios.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If the device emits continuous sound, then the prank effect is strong, but the device becomes easily detectable and loses element of surprise

Engineering Contradiction:
Improveprank effectivenessVSAvoiddevice detectability
Core Design Contradiction:
Object-affected harmful factorsVSDifficulty of detecting and measuring

Solution Approach 1:

The device emits sound intermittently at random intervals rather than continuously. The controller randomly selects time intervals between sound emissions, creating an unpredictable pattern that maintains prank effectiveness while avoiding detection. This periodic yet random action pattern is the core mechanism that resolves the contradiction between strong prank effect and low detectability.

Inventive Principle:
Principle #19Periodic action

2Ease of operation

If the device uses fixed interval sound emission, then the operation is simple, but the prank becomes predictable and less effective

Engineering Contradiction:
Improveoperation simplicityVSAvoidprank unpredictability
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The device transitions from static fixed intervals to dynamic random intervals. The controller uses a random number generator to dynamically adjust the time intervals between sound emissions, making each prank instance unpredictable. This dynamic behavior maintains operational simplicity while dramatically improving prank effectiveness through unpredictability.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If the device is made conspicuous for easy identification, then the device is easy to locate, but the element of surprise is lost

Engineering Contradiction:
Improvedevice locatabilityVSAvoidsurprise factor
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The device applies different qualities to different parts: the housing maintains a neutral, inconspicuous appearance for camouflage, while the sound emission provides localized indication of operation. This local differentiation allows the device to remain hidden when not in use while still being locatable during operation through sound, resolving the contradiction between locatability and surprise.

Inventive Principle:
Principle #3Local quality

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

Enables discreet and unpredictable prank scenarios by emitting random sounds at varying intervals, enhancing the surprise factor and amusement value.

Implementation Method 1

a loudspeaker disposed within the housing; and a controller connected to a physical memory disposed in the housing that includes instructions that, when executed by the controller, cause the loudspeaker to intermittently emit sound

Methodology Applied
Scientific EffectElectroacoustic transduction:

Data Source

PatentUS20250292761A1Device that emits intermittent sound
Publication Date: 2025.09.18 WOLF PUNCH INC
  • US20250292761A1 patent drawing
  • US20250292761A1 patent drawing
  • US20250292761A1 patent drawing

AI summary

The devices described herein can intermittently emit sound such as songs, animal sounds, human sounds, etc. to prank unsuspecting people. The devices can interface with powered devices for power, which can enable the devices to not have a battery. The electronics of the devices can be housed within a housing such that the devices are self-contained, which can make the devices discrete, readily concealable when transporting, and easy to handle when quickly interfacing with a powered device to prank. The devices can intermittently emit the sound at random or consistent intervals to confuse, perplex, embarrass, or discomfort the unsuspecting people as to the origin of the sound.