Selective Virtual Card Distribution via Proximity Detection

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Solution Overview

Problem

Existing methods for exchanging business cards at events are inefficient, as they require personal interaction to identify suitable recipients, leading to missed opportunities and social awkwardness, and existing electronic solutions fail to selectively target specific audiences for virtual card distribution.

Innovation Solution

A system and method for selectively transmitting virtual cards between mobile devices, where user appearances are displayed within a predetermined range, allowing users to accept, reject, or send virtual cards, with options for visible or hidden modes and adjustable ranges, enabling targeted distribution and contact management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If personal interaction is used to identify suitable recipients for business cards, then the quality of contact matching is improved, but time consumption and social awkwardness increase

Engineering Contradiction:
Improvecontact matching qualityVSAvoidtime consumption
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system performs preliminary actions by automatically detecting and displaying user appearances within range before actual card exchange occurs. This pre-screening allows users to identify potential contacts in advance, so when they approach someone, the target person already knows who is approaching, eliminating the need for awkward on-the-spot introductions and reducing time spent on unsuitable interactions.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If virtual cards are offered to everyone, then distribution speed is improved, but targeting precision is lost

Engineering Contradiction:
Improvedistribution speedVSAvoidtargeting precision
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The system applies local quality by displaying user appearances only within a predetermined range rather than to everyone universally. This spatially-limited display ensures that virtual cards are automatically targeted to only those users who are physically nearby and potentially interested, combining fast automated distribution with precise local targeting.

Inventive Principle:
Principle #3Local quality

3Reliability

If user appearances are displayed to all surrounding devices, then potential contacts are not missed, but information overload increases

Engineering Contradiction:
Improvecontact identification completenessVSAvoidinformation overload
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system limits user appearance displays to only those devices within a predetermined range, creating a local rather than universal display zone. This ensures that users see only relevant nearby contacts rather than all possible contacts globally, reducing information overload while maintaining reliability for identifying actual potential connections.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS10387004B2Real time monitoring of users within a predetermined range and selective receipt of virtual cards
Publication Date: 2019.08.20 ALBERT JIMMY
  • US10387004B2 patent drawing
  • US10387004B2 patent drawing
  • US10387004B2 patent drawing

AI summary

Methods of selectively distributing virtual cards between mobile devices, comprising providing a plurality of mobile devices assigned to a plurality of users, wherein a software program manages a user account comprising a collection virtual cards, wherein the virtual cards include different profiles of a same user, wherein the account further comprises a user appearance generated from at least one virtual card for transmission to surrounding mobile devices; selectively displaying the user appearance on a surrounding device only if the original sending device and surrounding device are within a predetermined range; and sending a virtual card to a user associated with a user appearance.