Nested Reel Expansion for Dynamic Combined Awards

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Solution Overview

Problem

Existing gaming systems lack engaging and dynamic secondary game mechanics that effectively utilize nested reels to enhance player interaction and award potential.

Innovation Solution

Implementing a gaming system that displays nested reels with an initially hidden inner reel that expands from an outer reel upon an expansion condition, allowing both reels to spin and stop to determine combined awards, with the inner reel's visibility dependent on specific triggering symbols or wager levels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If nested reels with hidden inner reel are implemented, then player engagement and award potential are enhanced, but device complexity increases

Engineering Contradiction:
Improveplayer engagementVSAvoidreel structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements nested reels where an inner reel is positioned within an outer reel, both rotating along the same axis. The inner reel is initially hidden and only becomes visible when triggered by specific symbols (e.g., scatter symbols), creating a nested structure that reveals additional gaming elements only when needed, thus enhancing player engagement without permanently increasing visible complexity

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The system dynamically adjusts the visibility of the inner reel based on game conditions. The inner reel transitions from a hidden state to a visible state when expansion triggering symbols are landed on, and can be manually expanded or contracted. This dynamic behavior allows the system to adapt its complexity based on the current game state, providing enhanced engagement when needed while maintaining simplicity during normal play

Inventive Principle:
Principle #15Dynamics

2Productivity

If inner reel expands from outer reel, then award potential increases, but reel structure complexity increases

Engineering Contradiction:
Improveaward potentialVSAvoidreel mechanism
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The reel system is segmented into distinct functional components: an outer reel that always displays and an inner reel that conditionally displays. Each reel operates independently with its own symbol set and rotation mechanics, but they interact through the expansion trigger mechanism. This segmentation allows the system to provide multiple award opportunities (outer reel awards, inner reel awards, and combined awards) without requiring a completely complex integrated mechanism

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent adds a dimensional aspect to the reel structure by introducing the inner reel as a separate rotational dimension within the outer reel. Both reels rotate along the same axis but represent different dimensional layers of the gaming mechanism. This allows the system to increase award potential by combining outcomes from both reels while maintaining a relatively simple overall structure based on concentric rotation

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

3Adaptability or versatility

If multiple inner reels are added, then game engagement increases, but ease of operation decreases

Engineering Contradiction:
Improvegame engagementVSAvoiduser interaction
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system employs self-service mechanisms where the inner reels automatically expand when triggered by specific symbols (such as scatter symbols or expansion triggering symbols) without requiring manual player intervention. The expansion and contraction of the reels occurs automatically based on the symbols landed on during the spin, reducing the operational burden on the player while maintaining high engagement through multiple interacting reels

Inventive Principle:
Principle #25Self-service

Data Source

PatentUS20250329212A1Nested reels
Publication Date: 2025.10.23 INTERNATIONAL GAME TECHNOLOGY INC
  • US20250329212A1 patent drawing
  • US20250329212A1 patent drawing
  • US20250329212A1 patent drawing

AI summary

Gaming systems and methods that provide a game with nested reels including an outer reel and an inner reel where the inner reel is initially nested in (and thus hidden in) the outer reel and then moveable out of the outer reel during a play of the game.