QR Code Group Joining via Optical Recognition

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Solution Overview

Problem

Conventional methods for connecting users on social networking systems are inefficient, as they often require typing user names, which can be cumbersome and prone to errors, especially when multiple users share the same name, leading to challenges in user interaction and experience.

Innovation Solution

The system uses machine-readable codes, such as QR codes, to identify and connect users to groups, allowing users to join groups by scanning codes and providing access to the group's members, with options for various actions within the group, such as social connections, communication, and event interactions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If users type user names to connect on social networking systems, then users can establish connections, but the process becomes cumbersome and error-prone

Engineering Contradiction:
Improveease of connectionVSAvoidtime for connection
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent replaces the mechanical typing action with optical recognition through machine-readable codes. Users scan codes using camera or scanner instead of manually typing usernames, substituting a mechanical input method with an automated optical recognition system that dramatically reduces connection time and effort

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces machine-readable codes as an intermediary element between users. Instead of directly typing usernames, users interact with coded representations (QR codes, barcodes) that mediate the connection process, making it faster and more accurate while reducing manual input requirements

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If users type user names to connect, then connections can be established, but spelling errors and duplicate names cause challenges

Engineering Contradiction:
Improveaccuracy of connectionVSAvoiddifficulty of connection
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces error-prone manual typing with automated optical code scanning. The machine-readable code contains encoded user identifiers that are automatically decoded by the system, eliminating spelling errors and confusion from duplicate names while simplifying the user interaction process

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent uses machine-readable codes as accurate copies of user identifiers. Instead of relying on users to manually recreate usernames (which can lead to errors), the system provides scannable code copies that precisely represent the target user's identity, ensuring accurate connection establishment

Inventive Principle:
Principle #26Copying

Data Source

PatentUS9401956B2Systems and methods for performing group actions based on machine-readable codes
Publication Date: 2016.07.26 META PLATFORMS INC
  • US9401956B2 patent drawing
  • US9401956B2 patent drawing
  • US9401956B2 patent drawing

AI summary

Systems, methods, and non-transitory computer-readable media can receive from a user a machine-readable code associated with a group. The group can be identified based on the machine-readable code. A set of current members of the group can be identified. The user can be provided with access to the set of current members of the group. In some instances, an identifier for the user can be received. The user can be added, based on the identifier, to the set of current members of the group. The current members can be provided with access to the set of current members including the user.