Chat Playback Status Notifications for Sender Confirmation

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Solution Overview

Problem

In conventional chat systems, senders cannot determine if playback-type messages, such as voice or video messages, have been conveyed to recipients, as the conventional already-read notifications do not account for playback status.

Innovation Solution

Implement a system where playback-type messages are accompanied by a first notification indicating display and a second notification indicating playback, allowing the sender to track playback status through a chat server and display already-played-back notifications on the sender's terminal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If conventional already-read notification is displayed when playback button is shown, then notification simplicity is maintained, but sender cannot know whether message content has been conveyed to recipient

Engineering Contradiction:
Improvemessage conveyance confirmationVSAvoidnotification system complexity
Core Design Contradiction:
Loss of informationVSDevice complexity

Solution Approach 1:

The notification system is segmented into two distinct notification types: first notification indicating display of the playback button, and second notification indicating actual playback of the message. This segmentation allows the system to provide specific information about message conveyance while maintaining clear, distinct notification signals for different states.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system performs preliminary action by displaying the first notification when the playback button is shown to the recipient, before the actual playback occurs. This preliminary notification prepares the sender with initial confirmation that the recipient has accessed the message interface, with the option to provide further confirmation upon actual playback.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If playback status tracking is implemented, then message conveyance confirmation is achieved, but notification system complexity increases

Engineering Contradiction:
Improvemessage delivery reliabilityVSAvoidnotification system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The notification system is designed to be dynamic, automatically transitioning from first notification to second notification based on the recipient's playback action. The system adapts its notification behavior according to the actual state of message consumption, providing reliability through state-dependent notification generation without requiring complex manual configuration.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system implements feedback by detecting when the recipient plays back the message and generating a second notification to inform the sender. This feedback loop provides reliable confirmation of message conveyance by directly linking the notification generation to the actual playback event, ensuring the sender receives accurate status information.

Inventive Principle:
Principle #23Feedback

3Loss of information

If two types of notifications are displayed, then message playback status is accurately tracked, but user interface complexity increases

Engineering Contradiction:
Improveplayback status informationVSAvoiduser interface simplicity
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The notification system uses visual differentiation (such as color changes or distinct iconography) to distinguish between the first notification indicating button display and the second notification indicating actual playback. This visual coding allows users to quickly understand the message status without requiring complex interface interactions or detailed configuration.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The system adds a temporal dimension to the notification system by sequencing notifications: the first notification appears when the playback button is displayed, and the second notification appears after playback occurs. This time-based differentiation provides clear playback status information while maintaining interface simplicity through natural temporal progression.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS12463931B2Storage medium that stores program that allows sender to know whether or not content of sent playback-type message has been conveyed to recipient, control method for information processing apparatus, and information processing apparatus
Publication Date: 2025.11.04 CANON KK
  • US12463931B2 patent drawing
  • US12463931B2 patent drawing
  • US12463931B2 patent drawing

AI summary

A storage medium storing a program for causing an information processing apparatus to execute a process that transmits data of a message displayed on a terminal of a conversation partner who uses a chat room. The program includes software code adapted to perform causing the information processing apparatus to display a chat screen of the chat room, causing to transmit data for playing back a playback-type message, causing the chat screen to display a first notification indicating that an object for issuing an instruction to play back the playback-type message has been displayed on the terminal of the conversation partner, when the playback-type message has been played back by the terminal of the conversation partner, causing to receive information indicating the playback-type message, and causing the chat screen to display a second notification indicating that the playback-type message has been played back, based on the information indicating the playback-type message.