Extended Reality Headset With Optical Fiber Processing Offload

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Solution Overview

Problem

Existing extended reality devices face issues with overheating due to integrated core processors, leading to increased weight and thickness, which affect the wearing experience and require heat dissipation systems that compromise comfort.

Innovation Solution

A head-mounted display device for extended reality that utilizes optical fibers to transmit data between sensors and a host computer, where the core processor is integrated in the host computer, eliminating the need for heat dissipation systems and reducing the weight and thickness of the head-mounted display device by relocating circuits and using optical fibers for data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the core processor is integrated in the head-mounted display device, then data processing capability is improved, but heat dissipation requirements increase leading to increased weight and thickness

Engineering Contradiction:

Improvedata processing capabilityVSAvoidweight of head-mounted display device

Core Design Contradiction:

ProductivityVSWeight of moving object

Solution Approach 1:

The core processor is extracted from the head-mounted display device and relocated to an external host computer. Only essential components (sensors, display screen, aggregation unit) remain in the head-mounted device, eliminating the need for heat dissipation systems and reducing weight and thickness.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The extended reality system is segmented into two parts: a lightweight head-mounted display device for sensing and display, and an external host computer for heavy data processing. This segmentation allows the head-mounted device to remain lightweight while maintaining strong data processing capabilities through optical fiber connectivity.

Inventive Principle:

Principle #1Segmentation

2Productivity

If the core processor is integrated in the head-mounted display device, then data processing capability is improved, but the device thickness increases due to heat dissipation systems

Engineering Contradiction:

Improvedata processing capabilityVSAvoidthickness of head-mounted display device

Core Design Contradiction:

ProductivityVSLength of stationary object

Solution Approach 1:

Inventive Principle:

Principle #2Taking out (Extraction)

3Adaptability or versatility

If electrical cables are used for data transmission, then connectivity is established, but data transmission efficiency is limited compared to optical fibers

Engineering Contradiction:

ImproveconnectivityVSAvoiddata transmission efficiency

Core Design Contradiction:

Adaptability or versatilityVSProductivity

Solution Approach 1:

The electrical cable transmission system is replaced with an optical fiber transmission system. Optical fibers transmit data as light signals, providing significantly higher bandwidth and transmission efficiency compared to electrical cables, while maintaining reliable connectivity between the head-mounted device and host computer.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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

This solution reduces the weight and thickness of the head-mounted display device, enhancing user comfort by eliminating the need for heat dissipation systems and optimizing data transmission efficiency through optical fibers.

Implementation Method 1

an optical fiber connected between the head-mounted display device and the host computer

Methodology Applied

Scientific EffectTotal internal reflection: Total Internal Reflection

Data Source

PatentUS20250334813A1Device for extended reality

Publication Date: 2025.10.30 BEIJING ZITIAO NETWORK TECH CO LTD

AI summary

The disclosure relates to a device for extended reality, including: a head-mounted display device, a host computer, and an optical fiber connected between the head-mounted display device and the host computer. The head-mounted display device includes a plurality of sensors, an aggregation unit, and a display screen. At least some of the sensors are connected to the aggregation unit. The plurality of sensors are configured to acquire original data. The aggregation unit is configured to aggregate the original data acquired by the sensors connected thereto, to obtain an aggregation result, causing the aggregation result to be transmitted through the optical fiber. The host computer is configured to receive data transmitted through the optical fiber, determine a target image based on the received data, and transmit the target image to the head-mounted display device through the optical fiber.