Lunar And Solar Eclipse Display Mechanism for Clear Type Distinction

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Solution Overview

Problem

Existing eclipse display mechanisms in timepieces are not intuitive or easy to read, failing to distinguish between different types of lunar and solar eclipses and requiring complex interpretation.

Innovation Solution

A mechanism with multiple moving indicators, each representing a luminary, where the indicators have distinct visual features and positions to clearly depict various eclipse types, combined with an electromechanical system for precise timing and location-based eclipse prediction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a single indicator is used to represent luminary positions, then the device complexity is reduced, but the ability to distinguish between different eclipse types is lost

Engineering Contradiction:
Improvenumber of indicatorsVSAvoideclipse type distinction
Core Design Contradiction:
Device complexityVSLoss of information

Solution Approach 1:

The display mechanism is segmented into multiple independent indicators: a first indicator for the Sun's position and a second indicator for the Moon's position. Each indicator can be independently positioned to represent different celestial bodies and eclipse configurations, allowing distinction between solar and lunar eclipses without requiring a single complex indicator.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces a vertical stacking dimension where indicators are arranged in layers (first indicator below second indicator). This dimensional arrangement allows the display to represent different eclipse types by varying the vertical and horizontal positions of indicators, encoding multiple pieces of information in a compact space.

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

2Ease of operation

If multiple indicators with distinct features are used to represent different eclipse types, then the visualization clarity is improved, but the device complexity increases

Engineering Contradiction:
Improvereading easeVSAvoidnumber of indicators
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The display is segmented into functionally distinct indicators: the first indicator represents the Sun, the second indicator represents the Moon, and additional indicators represent eclipse types. Each segment has a specific role, making the display intuitive to read while maintaining manageable complexity through functional specialization.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Each indicator has locally optimized visual characteristics: the first indicator is positioned to show solar eclipse information, the second indicator shows lunar eclipse information, and their relative positions encode different eclipse types. This local differentiation allows quick visual interpretation without requiring the user to process a single complex indicator.

Inventive Principle:
Principle #3Local quality

3Measurement precision

If indicators are arranged to show detailed eclipse information, then the measurement precision of eclipse representation is improved, but the area required for display increases

Engineering Contradiction:
Improveeclipse representation accuracyVSAvoiddisplay area
Core Design Contradiction:
Measurement precisionVSArea of stationary object

Solution Approach 1:

The patent utilizes vertical stacking of indicators to encode additional information dimensions. By arranging indicators in vertical layers (first indicator below second indicator) and varying their horizontal offsets, the mechanism represents precise eclipse information (type, phase, timing) within a compact circular display area, avoiding the need for expansive flat surfaces.

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

Solution Approach 2:

The display mechanism nests multiple indicators within a compact circular arrangement, with indicators positioned at different radial distances and angular positions. This nested configuration allows detailed eclipse representation to be contained within a small display area, similar to how nested dolls contain multiple objects within a limited space.

Inventive Principle:
Principle #7Nested doll (Nesting)

Data Source

PatentUS20250291316A1Lunar and solar eclipse display mechanism
Publication Date: 2025.09.18 THE SWATCH GRP RES & DEVELONMENT LTD
  • US20250291316A1 patent drawing
  • US20250291316A1 patent drawing
  • US20250291316A1 patent drawing

AI summary

A mechanism for displaying lunar and solar eclipses for a mechanical or electromechanical horological movement configured to be able to operate the mechanism. The mechanism (1) includes a first moving indicator (2) corresponding to a first luminary and a second moving indicator (3) corresponding to a second luminary. Provided is a first zone (6) in which the first indicator (2) and second indicator (3) are visible, and a second zone (7) allowing the one or more indicators (2, 3, 4, 5) to be concealed behind a cover (8). Also, a third moving indicator (4) corresponding to the second luminary in a configuration that is different from that of the second indicator (3), the third moving indicator (4) having at least one visible feature that is different from the second moving indicator (3), wherein the third indicator (4) is visible in the first zone (6) instead of the second indicator (3).