Adjustable Projection Ring with Telescopic Projector

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing projection rings that incorporate a projector into a ring face difficulties in adjusting the projection location, making them inconvenient to operate effectively.

Innovation Solution

A projection ring with a telescopic portion allows adjustable projection location and angle by extending or retracting the projector, which is rotatably connected to an annular body, enabling comfortable wear and enhanced display options without needing to reposition the ring on the finger.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the projector is fixed in the ring, then the structure is simple, but the projection location cannot be adjusted

Engineering Contradiction:
Improveprojection location adjustmentVSAvoidring structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies the dynamics principle by transforming the fixed projector structure into a movable one through a telescopic mechanism. The projector can be extended or retracted along the central axis of the ring, allowing dynamic adjustment of projection distance and angle while maintaining a relatively simple overall structure. This resolves the contradiction by enabling adaptability without significantly increasing structural complexity.

Inventive Principle:
Principle #15Dynamics

2Area of stationary object

If the projector is extended to increase projection size, then the display area increases, but the ring size increases

Engineering Contradiction:
Improveprojection areaVSAvoidring length
Core Design Contradiction:
Area of stationary objectVSLength of stationary object

Solution Approach 1:

The patent applies segmentation by dividing the ring into a fixed annular body and a movable telescopic portion. The projector is mounted on the telescopic portion, which can be extended only when needed for projection, while the main ring body remains compact for comfortable wearing. This allows the projection area to be increased without permanently increasing the ring size.

Inventive Principle:
Principle #1Segmentation

3Ease of operation

If the projector is made adjustable, then the projection angle can be optimized, but the operation complexity increases

Engineering Contradiction:
Improveprojection angle adjustmentVSAvoidadjusting mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent uses a telescopic mechanism that provides simple linear movement for adjusting the projector's position and angle. The telescopic portion can be extended or retracted along the central axis of the ring, allowing easy adjustment of projection parameters without complex mechanisms. This maintains ease of operation while providing the necessary adjustability.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3138434B1Projection ring
Publication Date: 2020.08.26 BOE TECHNOLOGY GROUP CO LTD
  • EP3138434B1 patent drawingFigure 1~2
  • EP3138434B1 patent drawingFigure 3~4
  • EP3138434B1 patent drawingFigure 5~7

AI summary

Disclosed is a projection ring, including an annular body (1); a telescopic portion (2) disposed on the annular body (1); and a projector (3) disposed on the telescopic portion (2). The location of the projector on the projection ring is easily adjustable, thus it's convenient to adjust the size of the picture as projected or the projection angle.