Head-worn Display with Rear-mounted Image Capturing Unit

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Solution Overview

Problem

Existing head-worn display devices require users to remove them to view surroundings and necessitate handheld devices for capturing videos and images, which is inconvenient for prolonged use.

Innovation Solution

A head-worn display device with an integrated image capturing unit that captures images and videos of the surroundings, allowing the device to generate and display these images, thus enabling continuous use without removal, and allowing hands-free operation by synchronizing the image capturing unit with the user's head.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the display screen is located in front of the user's eyes, then the viewing experience is improved, but the user cannot see the surroundings without removing the device

Engineering Contradiction:
Improveviewing experienceVSAvoidability to see surroundings
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The patent combines the display unit and image capturing unit into a single integrated head-worn device. The display unit shows content in front of the user's eyes while the image capturing unit, positioned on the back of the head, captures surroundings. This merging allows the device to provide both display functionality and environmental awareness without requiring the user to remove the device.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The image capturing unit is positioned on the back of the user's head, utilizing the spatial dimension behind the head rather than in front. This dimensional relocation allows the capturing unit to capture environmental images without interfering with the display unit's position in front of the eyes, enabling simultaneous display and surroundings viewing.

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

2Productivity

If the user holds the capture device with hands, then the capture function is achieved, but the convenience for long-term use is reduced

Engineering Contradiction:
Improvecapture functionVSAvoidconvenience for long-term use
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The patent merges the image capturing unit directly into the head-worn display device structure. The capturing unit is positioned on the back of the head and integrated with the display unit, eliminating the need for a separate handheld capture device. This integration allows the user to capture images and videos hands-free while wearing the display device.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The image capturing unit is designed to rotate in synchronization with the user's head movements, making the system self-adjusting without requiring manual operation. The capturing unit automatically orientations itself to capture the desired surroundings based on head position, freeing the user's hands from manual device handling.

Inventive Principle:
Principle #25Self-service

3Ease of operation

If the image capturing unit is integrated into the display device, then hands-free operation is achieved, but the device complexity increases

Engineering Contradiction:
Improvehands-free operationVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent divides the head-worn device into distinct functional modules: a display unit positioned in front of the eyes and an image capturing unit positioned on the back of the head. These segmented modules are connected through a processing unit that receives images from the capturing unit and transmits them to the display unit. This segmentation allows for manageable complexity while achieving integrated functionality.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS9316835B2Head worn display device
Publication Date: 2016.04.19 LENOVO (BEIJING) LTD
  • US9316835B2 patent drawing
  • US9316835B2 patent drawing
  • US9316835B2 patent drawing

AI summary

A display device is described and includes a fixing unit, through which the display device is capable of being worn on a head of a user; a processing unit configured to obtain a first image to be displayed; an image transmission unit configured to transmit the first image to a display unit, which is configured to display the first image obtained by the processing unit; a connection unit configured to connect the fixing unit and at least a first portion of the display unit, wherein the connection unit at least has a first state, in which at least the first portion is located in the user's visual region and faces the user; an image capturing unit configured to capture a second image; and the processing unit being further configured to generate the first image based on the second image.