Service Device Location via Intermediary Server

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Solution Overview

Problem

Users of portable communication devices face difficulty in locating nearby service devices to utilize their full functionality, as existing methods often connect them to service devices that are far away, requiring manual effort and long distances to access desired services.

Innovation Solution

A method and system that allows portable communication devices to send a service device locating request with its position, receiving network identifiers of nearby service devices capable of handling the desired service, and selecting the closest one for connection, using a service device locating server and radio communication units.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If existing service location methods are used, then service devices can be located, but the located service devices may be far away from the user

Engineering Contradiction:
Improvelocation accuracyVSAvoiddistance to service device
Core Design Contradiction:
Measurement precisionVSLength of stationary object

Solution Approach 1:

A location server acts as an intermediary between the portable communication device and service devices. The server receives location information from the portable device, queries the service device database to find nearby service devices, and returns the results to the portable device. This intermediary system enables accurate location-based service discovery without requiring direct complex interactions between portable devices and service devices.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system implements feedback by continuously monitoring the location of portable communication devices and dynamically updating service device recommendations. When a portable device moves or requests services, the location server queries the current location, finds matching service devices within a specified radius, and provides updated information, creating a closed-loop feedback system that maintains location accuracy.

Inventive Principle:
Principle #23Feedback

2Ease of operation

If manual location methods are used, then users can find service devices, but it requires manual information entry and time-consuming processes

Engineering Contradiction:
Improveservice location processVSAvoidtime to locate service device
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The portable communication device automatically performs location reporting and service device queries without requiring manual user input. The device's location is automatically obtained, the location server automatically queries the service database, and results are automatically returned and displayed to the user. This self-service automation eliminates manual information entry and significantly reduces the time required to locate service devices.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Service devices are pre-registered in a centralized database with their location and service type information before being needed. When a portable device requests services, the location server can immediately query this pre-prepared database rather than discovering service devices in real-time, significantly reducing the time required to locate and connect to appropriate service devices.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS7945251B2Locating a service device for a portable communication device
Publication Date: 2011.05.17 SONY GROUP CORP
  • US7945251B2 patent drawing
  • US7945251B2 patent drawing
  • US7945251B2 patent drawing

AI summary

A portable communication device (10) may send a service device locating request (42) including a position associated with the portable communication device to a service device locating device (12). The service device locating device (12) may determine at least one service device located close to the indicated position and respond to the request by sending a response (46) including at least one network identifier of a service device (16) capable of handling the desired service. The portable communication device may then directly contact (48) the service device (16).