Location-Based Content Distribution Server

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Solution Overview

Problem

Existing information distribution systems for mobile terminals lack the ability to selectively distribute content based on the user's location, leading to inconvenience as users receive unwanted content and cannot access area-specific information outside the designated area.

Innovation Solution

An information distribution system equipped with a content database that associates content with specific areas, allowing the server to transmit guidance information and content data only when the mobile terminal's position matches the designated area, enabling users to access desired content at will.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If content is distributed to mobile terminals based on location, then users can access area-specific content, but users may receive unwanted content when outside the designated area

Engineering Contradiction:
Improvearea-specific content distributionVSAvoidunwanted content reception
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent applies local quality by associating specific content with specific geographical areas through area information (latitude/longitude coordinates). The server determines the mobile terminal's location and distributes content only when the terminal is within the designated area, ensuring that content distribution is localized and relevant to the user's current position rather than universally distributed.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent implements feedback by continuously monitoring the mobile terminal's position information and comparing it with the stored area information. The server receives position information from the terminal, determines whether the terminal is within the target area, and dynamically controls content distribution based on this feedback loop, enabling precise control over when content is made available.

Inventive Principle:
Principle #23Feedback

2Object-affected harmful factors

If content distribution is restricted to specific areas, then users receive relevant content, but users cannot access content when outside the designated area

Engineering Contradiction:
Improvecontent relevanceVSAvoidcontent accessibility
Core Design Contradiction:
Object-affected harmful factorsVSAdaptability or versatility

Solution Approach 1:

The patent applies preliminary action by pre-storing area information (latitude and longitude coordinates defining the boundaries of content distribution areas) in the server's storage unit before actual content distribution occurs. This preparatory storage of geographical boundary data enables the server to quickly determine whether a mobile terminal is within the distribution area when position information is received, without requiring complex real-time calculations.

Inventive Principle:
Principle #10Preliminary action

3Reliability

If the system monitors user position continuously, then content can be distributed at the right location, but system complexity increases

Engineering Contradiction:
Improvelocation-based distribution accuracyVSAvoidposition tracking system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies self-service by having the mobile terminal itself generate and transmit its position information to the server. The terminal autonomously determines its location (using GPS or other positioning methods) and sends this information to the server, which then uses it to control content distribution. This approach shifts the positioning burden from the server to the terminal, simplifying the server's complexity while maintaining reliable location-based distribution.

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS8045964B2Information distribution system, information distribution server, mobile terminal, and information distribution method
Publication Date: 2011.10.25 NAVITIME JAPAN CO LTD
  • US8045964B2 patent drawing
  • US8045964B2 patent drawing
  • US8045964B2 patent drawing

AI summary

There is provided an information distribution system capable of distributing a content to a mobile terminal in a predetermined area, distributing content guide information to the mobile terminal, and distributing the content selected by the mobile terminal, within the area. The information distribution system includes an information distribution server, a mobile terminal, and a content DB. The content DB contains content information to be provided to the mobile terminal and information on the area to which the content is provided. The information distribution server distributes the content guide information to the mobile terminal. According to this content guide information, the mobile terminal performs a content distribution request. The information distribution server judges the position of the mobile terminal according to position judgment means. When the mobile terminal is in the distribution area of the content requested, the content is downloaded.