Removable Display for Distributed AR Headset

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Solution Overview

Problem

Conventional augmented reality (AR) headset devices are bulky and limit user interaction with the real world, as they provide a visual component only through the headset, restricting flexibility and comfort for long-term use.

Innovation Solution

A distributed artificial reality system featuring a removable display that can be coupled with various devices such as eyewear, bracelets, and neckbands, allowing users to view visual content across multiple devices and adjust the AR experience based on hand motion, distributing processing and power to maintain a compact form factor.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional AR headset devices are used to provide visual content, then the visual component is provided, but the device becomes bulky and limits user interaction with the real world

Engineering Contradiction:
Improveuser interaction flexibilityVSAvoidheadset device size
Core Design Contradiction:
Adaptability or versatilityVSVolume of moving object

Solution Approach 1:

The AR system is divided into separate components: a compact headset device and a removable display device. The display functionality is segmented from the headset, allowing the headset to remain small and unobtrusive while the display can be detached when not needed, thus resolving the contradiction between providing visual content and maintaining user interaction flexibility.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The display element is extracted from the headset device and made removable. This allows the headset to maintain a compact form factor without the bulk of a built-in display, while still providing visual content when the display is attached. The display can be taken out when users need to interact with the real world.

Inventive Principle:
Principle #2Taking out (Extraction)

2Adaptability or versatility

If a built-in display is integrated into the headset, then visual content can be displayed, but the headset can only be used as an AR display and the visual component is limited to the headset device

Engineering Contradiction:
Improvedevice usage flexibilityVSAvoidheadset structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The removable display device can function with multiple different headset devices or be used independently, making it a universal component. This allows the system to adapt to different usage scenarios without requiring complex integrated designs, as the display can be paired with various headsets or used standalone.

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

3Ease of operation

If the headset is made smaller to facilitate all-day use, then user comfort is improved, but the visual component may be limited

Engineering Contradiction:
Improveuser comfortVSAvoidvisual component quality
Core Design Contradiction:
Ease of operationVSIllumination intensity

Solution Approach 1:

The display quality is moved from the spatial dimension (headset size) to a separate removable component. This allows the headset to remain small and comfortable while the display, which requires more space and resources for high quality, exists as a separate device that can be attached when needed.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS11385467B1Distributed artificial reality system with a removable display
Publication Date: 2022.07.12 META PLATFORMS TECHNOLOGIES LLC
  • US11385467B1 patent drawing
  • US11385467B1 patent drawing
  • US11385467B1 patent drawing

AI summary

A system includes an eyewear device, and a neckband device. The neckband device includes a power source and a processor communicatively coupled to the eyewear device. The system includes a bracelet device, which includes at least one sensor configured to determine a position signal in response to movement of the user's hand, the bracelet device communicatively coupled to the processor. A display device is configured to present content to a user, and is also configured to couple to and be removable from the eyewear device.