Compact Smartphone Printer with Segmented Cassette Design
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Solution Overview
Problem
Conventional portable printers are large and cumbersome, lacking the portability and ease of use required for seamless integration with portable information terminals like smartphones.
Innovation Solution
A compact printing apparatus comprising a smartphone jacket, a pen-type printer, and a cassette for storing recording paper, utilizing Bluetooth Low Energy for data transmission and a rechargeable lithium-ion battery for power, allowing for easy carrying and operation similar to a pen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional portable printers are designed with box shape and include recording paper holder, then printing function is complete, but device size becomes large and portability deteriorates
Solution Approach 1:
The printing apparatus is divided into separable components: a printer unit and a recording paper cassette. The printer can be carried separately in a pocket or bag, while the cassette containing recording paper can be stored independently. This segmentation allows the printing function to be split into portable parts, eliminating the need to carry a large integrated box-shaped printer with built-in paper storage.
Solution Approach 2:
The printer unit is designed to be universally compatible with multiple types of cassettes and recording paper formats. The printer can connect to various portable information terminals and work with different cassette designs, making it a versatile portable printing solution that doesn't require a dedicated large housing for all functions.
2Ease of operation
If recording paper and holder are carried separately with printer, then printing capability is maintained, but carrying convenience deteriorates
Solution Approach 1:
The printer unit and cassette are designed to connect easily when needed, merging into a complete printing system. The connector allows quick attachment of the cassette to the printer, combining the printing mechanism with recording paper storage and feed function into a single operational unit without requiring separate carrying of multiple accessories.
Solution Approach 2:
The system transitions between separate and combined states dynamically. During carrying, the printer and cassette remain separate for maximum portability. During printing operation, they connect dynamically to form a functional printing apparatus. This dynamic configuration allows the system to adapt between portability mode and operational mode.
3Weight of moving object
If printer size is reduced for portability, then ease of carrying is improved, but structural stability deteriorates
Solution Approach 1:
By separating the printer unit from the cassette, each component can be minimized in size and weight. The printer unit contains only the essential printing mechanism without the bulk of paper storage, making it lightweight and portable. The structural stability is maintained through the connection interface that properly aligns and secures the components when assembled.
Solution Approach 2:
The stability issue is resolved by moving from a single integrated three-dimensional structure to a modular system where components connect through standardized interfaces. The connection structure provides mechanical stability in the assembled state while allowing individual components to remain small and lightweight.
Data Source
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AI summary
A printing apparatus includes a printer, a baseplate, a jacket, and a container. The printer is configured to perform printing on a recording sheet. The baseplate holds the printer. The jacket is attached to a first surface of the baseplate, and is configured to hold an information terminal. The container is attached to a second surface of the baseplate facing away from the first surface, and is configured to store the recording sheet.