Printed Memory Grid Connector Orientation Flexibility

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Solution Overview

Problem

Conventional methods for communicating with printed memory require precise 1:1 alignment of conductive pads with spring-loaded pogo pins or ZEBRA connectors, which limits flexibility and ease of data transmission.

Innovation Solution

A grid connector system with protruding conductive pads that can contact the printed memory's conductive pads regardless of orientation, allowing for data transmission through a subset of pads within a defined boundary.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If spring-loaded pogo pins or ZEBRA connectors are used to contact conductive pads, then data transmission can be achieved, but precise 1:1 alignment is required which reduces flexibility and ease of operation

Engineering Contradiction:
Improvedata transmission reliabilityVSAvoidalignment flexibility
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The connector interface is segmented into multiple conductive pads arranged in a grid pattern rather than using single-point contact. This segmentation allows multiple pads to potentially contact the printed memory simultaneously, providing redundancy and reducing the need for precise 1:1 alignment of individual contact points.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The grid connector design serves multiple functions: it can contact the printed memory at various positions and orientations, automatically identifies valid contact points through resistance measurement, and adapts to different printed memory placements without requiring precise pre-alignment.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If precise 1:1 alignment is required between connectors and conductive pads, then reliable contact is achieved, but device complexity and manufacturing precision requirements increase

Engineering Contradiction:
Improvecontact reliabilityVSAvoidalignment precision
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

The system dynamically identifies which conductive pads are actually contacted through resistance measurements during operation, rather than relying on static pre-defined alignment. This allows the system to adapt to variations in manufacturing tolerance and placement precision.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the measurement parameter from positional alignment to electrical resistance detection. By measuring resistance across multiple conductive pads, the system can identify valid contact points based on electrical properties rather than mechanical positioning, reducing manufacturing precision requirements.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If multiple conductive pads are used in a grid configuration, then orientation flexibility is improved, but device complexity increases

Engineering Contradiction:
Improveorientation flexibilityVSAvoidconnector structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The grid connector performs self-identification of valid contact points by automatically measuring resistance across its conductive pads. This self-service capability eliminates the need for complex external alignment mechanisms or manual configuration, reducing operational complexity despite the increased pad configuration.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces complex mechanical alignment systems with an electrical measurement system. Instead of using mechanical guides or precision positioning mechanisms, the system uses resistance measurements to identify and validate contact points, substituting mechanical complexity with simpler electrical detection.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS10319415B2Printed memory grid connector
Publication Date: 2019.06.11 XEROX CORP
  • US10319415B2 patent drawing
  • US10319415B2 patent drawing
  • US10319415B2 patent drawing

AI summary

A grid connector for communicating with a printed memory includes a substrate and a plurality of first conductive pads coupled to the substrate. Each of the first conductive pads protrudes outward with respect to an outer surface of the substrate. A subset of the first conductive pads is configured to contact a second conductive pad of the printed memory, regardless of an orientation of the printed memory with respect to the grid connector as long as the second conductive pad is within a boundary of the first conductive pads.