Wireless Power and Data Transmission for Printer Carriage

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Solution Overview

Problem

Existing printer systems with scanning carriages face mechanical issues due to complex movement dynamics and the presence of multiple dedicated cables for data and power transmission, which can lead to damage and require frequent service interventions.

Innovation Solution

The implementation of wireless transmission protocols, electrically conductive elements within the transmission belt, and electromagnetic induction for data and power transmission, reducing the need for physical cables and minimizing mechanical complexity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If dedicated cables are used for data and power transmission to the scanning printer carriage, then reliable power and data delivery is achieved, but mechanical complexity increases and cable damage risk increases

Engineering Contradiction:

Improvedata and power delivery reliabilityVSAvoidmechanical complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the data and power transmission function from physical cables and transfers it to the electromagnetic field. The transmitting antenna in the printer body and receiving antenna in the carriage enable wireless communication, eliminating the need for dedicated cables and reducing mechanical complexity while maintaining reliable data and power delivery.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces the mechanical cable system with an electromagnetic field-based transmission system. By using electromagnetic induction and wireless communication protocols, the system substitutes physical mechanical connections with field-based energy and data transfer, reducing mechanical complexity and cable damage risk.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If dedicated cables are used for data and power transmission, then power and data can be delivered to the moving carriage, but cable damage occurs and maintenance frequency increases

Engineering Contradiction:

Improvepower and data transmissionVSAvoidmaintenance frequency

Core Design Contradiction:

ReliabilityVSEase of repair

Solution Approach 1:

The patent removes the vulnerable cable component from the system by implementing wireless transmission. The transmitting and receiving antennas enable power and data delivery without physical cables, eliminating cable damage issues and reducing maintenance frequency while maintaining transmission reliability.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces the mechanical cable transmission system with an electromagnetic field-based system. This substitution eliminates the wear and damage associated with physical cables moving with the carriage, thereby improving ease of repair by eliminating the need for cable-related maintenance.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Adaptability or versatility

If multiple dedicated cables are connected to the scanning carriage, then comprehensive data and power transmission is achieved, but the risk of cable damage and mechanical failures increases

Engineering Contradiction:

Improvedata and power transmission capabilityVSAvoidsystem durability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent merges multiple separate cable functions (data transmission, power delivery) into a single wireless communication channel. The transmitting antenna sends both data and power wirelessly to the receiving antenna in the carriage, consolidating multiple functions into one system and reducing the overall risk of cable damage while maintaining comprehensive transmission capability.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent replaces multiple mechanical cables with a single electromagnetic field-based transmission system. This substitution maintains the adaptability and versatility of data and power transmission while improving system durability by eliminating the mechanical vulnerabilities associated with multiple cables.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach reduces the risk of cable damage, lowers maintenance needs, and enhances the reliability of data and power delivery to the scanning printer carriage, improving overall system efficiency and durability.

Implementation Method 1

electromagnetic induction for data and power transmission

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

electrically conductive elements within the transmission belt

Methodology Applied

Scientific EffectElectrical conduction: Conduction (electrical)

Data Source

PatentUS11142004B2Scanning printer carriage

Publication Date: 2021.10.12 HEWLETT PACKARD DEVELOPMENT COMPANY LP

AI summary

The present disclosure provides an imaging apparatus (100) comprising a scanning printer carriage (110), a carriage motor (120), a transmission belt (130) between the carriage motor (120) and the scanning printer carriage (110), a data control unit (140) to provide print data (200) to the carriage motor (120) and the scanning printer carriage (110), and a power source (150) to provide power (300) to the carriage motor (120), and the scanning printer carriage (110). The data control unit (140) transmits print data (200) to the scanning printer carriage (110) by wireless data transfer (201), and the power source (150) transmits power (300) to the scanning printer carriage (110) through an electrically conductive element (302) in the transmission belt (130).