Message Addressee Selection for Multi-User Communication Terminals

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Solution Overview

Problem

Existing communication systems struggle with operability when notifying messages to a specific user among an indefinite number of users, as they lack efficient methods for designating the correct recipient and message format.

Innovation Solution

A communication system comprising a first and second communication apparatus and a server, with designation units to select recipients based on candidate information from the server, and control units to manage message processing, ensuring accurate delivery and output.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a message is notified to all users of an apparatus, then all users can receive the message, but it becomes difficult to notify a specific user among indefinite number of users

Engineering Contradiction:
ImproveoperabilityVSAvoidmessage delivery accuracy
Core Design Contradiction:
Ease of operationVSLoss of information

Solution Approach 1:

The system segments the indefinite number of users into manageable groups by providing candidate addressee information (such as user names or device identifiers) to the designating user. This segmentation allows the user to select a specific addressee from the candidates rather than dealing with all users at once, thereby improving operability while maintaining accurate message delivery to the intended recipient.

Inventive Principle:
Principle #1Segmentation

2Measurement precision

If candidate information of addressees is provided to help select specific user, then message delivery accuracy improves, but system complexity increases

Engineering Contradiction:
Improveaddressee identification accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system introduces an intermediary component that manages candidate addressee information and facilitates the selection process. This intermediary provides structured candidate information to the designating user and coordinates the message delivery, thereby improving addressee identification accuracy without significantly increasing overall system complexity through modular design.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS12543149B2Communication system capable of improving operability for specific user, communication apparatus, communication control method, method of controlling communication apparatus, and storage medium
Publication Date: 2026.02.03 CANON KK
  • US12543149B2 patent drawing
  • US12543149B2 patent drawing
  • US12543149B2 patent drawing

AI summary

A communication system capable of improving an operability of an apparatus in a case where a message is desired to be notified to a specific user of an indefinite number of users who use the apparatus. The communication system includes a first communication apparatus, a second communication apparatus, and a server. A first designation unit in the first communication apparatus designates the second communication apparatus as a destination of a message. A second designation unit in the first communication apparatus designates an addressee of the message and is capable of designating an addressee based on candidate information of addressees, which is acquired from the server. A control unit controls processing of the message.