Published Technical Disclosure Archive

Advanced Portable Electronic Device Cases for Extreme Environments

Publication ID: 24-11857043_0009_PTD
Published: October 27, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Advanced Portable Electronic Device Cases for Extreme Environments,” Published Technical Disclosure No. 24-11857043_0009_PTD, Published October 27, 2025, available at https://archive.pr1or.art/24-11857043_0009_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,043.

Background and Problem Solved

The original patent for a portable electronic device case with thermal vents provided a solution for general PED usage. However, this invention addresses the limitations of the original patent by adapting the design for specific, high-demand niches. These specialized cases overcome the challenges of extreme temperatures, moisture, and security threats, ensuring reliable PED operation in diverse environments.

Novelty and Inventive Step

The new claims introduce novel features and combinations that distinguish them from the original patent. The inventive step lies in the adaptation of the thermal vent design for specific, high-demand niches, resulting in a range of specialized cases that address unique challenges and provide reliable PED operation in diverse environments.

Alternative Embodiments and Variations

Alternative embodiments may include cases with adjustable thermal vent systems, modular designs for easy customization, or integrated sensors to monitor PED temperature and performance. Variations may also include cases designed for specific PED types, such as smartphones or laptops, or cases that incorporate additional features, such as solar panels or power banks.

Potential Commercial Applications and Market

The invention has significant commercial potential in various industries, including industrial automation, disaster relief, outdoor recreation, high-security government agencies, and environmental monitoring. The specialized cases can be marketed as premium products, offering enhanced reliability and performance in extreme environments, and appealing to customers who require tailored solutions for their PEDs.

Field of Art

Portable electronic device protective cases with thermal management, involving mechanical engineering, materials science, and thermal design for electronic device protection

Person of Ordinary Skill (PHOSITA) Profile

An engineer with expertise in mechanical design, thermal engineering, and protective case manufacturing, familiar with electronic device thermal management techniques and materials selection for environmental protection

Obviousness Rationale

A person of ordinary skill would recognize that the source patent's thermal vent design provides a foundational approach to device temperature management that can be readily adapted to specific environmental challenges. The PTD's variations represent predictable extensions of known thermal management principles, applying the core thermal vent concept to specialized use cases with minimal inventive complexity. These adaptations involve standard engineering techniques of material selection, environmental protection, and thermal regulation that would be apparent to a skilled practitioner.

Obvious Combinations & Variations

Source Patent Element
Thermal vents aligned with heat-generating components of a tablet computer
PTD Variation
Thermal vents strategically positioned for high-temperature industrial applications with heat-resistant materials
Obviousness Reasoning
Predictable modification using known material science techniques to extend thermal management principles to extreme environments
Source Patent Element
Case design with cushioning and sealing features
PTD Variation
Waterproof and shock-resistant case design for disaster relief applications
Obviousness Reasoning
Routine engineering adaptation applying known protective design principles to specialized use contexts
Source Patent Element
Vent system for heat dissipation
PTD Variation
Phase-change material integration for temperature regulation in cold weather conditions
Obviousness Reasoning
Known thermal management technique of using phase-change materials to manage device temperature across different environmental conditions
Source Patent Element
Case design with protective side surfaces
PTD Variation
High-security case with tamper-evident design and thermal monitoring
Obviousness Reasoning
Obvious combination of existing protective case principles with standard security and monitoring technologies
Source Patent Element
Vent system for heat management
PTD Variation
Water-repellent coating with desiccant-integrated thermal management for high-humidity environments
Obviousness Reasoning
Predictable engineering solution using standard moisture control and thermal management techniques
35 U.S.C. § 103 Summary: Based on US Patent 11857043's teachings of thermal vent design for portable electronic device cases, the present publication demonstrates that a person of ordinary skill in the art would find the disclosed variations obvious through routine engineering adaptations. The combinations represent predictable extensions of existing thermal management principles, applying known techniques to specialized environmental contexts without requiring significant inventive step.

Original Patent Information

Patent NumberUS 11,857,043
TitlePortable electronic device case with thermal vents
Assignee(s)Targus International LLC