Nail Printer Simultaneous Dual-Hand Printing Control
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Solution Overview
Problem
Current nail printers require significant time and effort to print designs on both hands simultaneously, as they need to be operated and loaded sequentially, one hand at a time.
Innovation Solution
A nail printer with a printed finger receiver that allows simultaneous insertion of fingers from both hands, featuring a control system that initiates printing a predetermined time after a manual command, using an image catcher and printing unit to automatically print designs on all nails with reduced user effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sequential printing on each hand is performed, then printing on both hands is achieved, but time consumption and operational effort increase significantly
Solution Approach 1:
The patent combines multiple printing operations into a single continuous process. The printed finger receiver is designed to accommodate fingers from both hands simultaneously, and the control system merges the printing sequences of both hands into one automated operation, eliminating the need for separate loading and printing cycles for each hand.
Solution Approach 2:
The system performs preliminary positioning and preparation of both hands in the printed finger receiver before initiating the printing process. The control means pre-configures the printing sequence and coordinates the printing heads to prepare for simultaneous multi-hand printing, reducing setup time and operational complexity.
2Manufacturing precision
If sequential loading of hands is required, then proper positioning for printing is achieved, but operational complexity and user effort increase
Solution Approach 1:
The printed finger receiver merges the positioning functions for both hands into a single integrated structure. Users can insert fingers from both hands into the same receiver simultaneously, and the system automatically positions and identifies each finger for accurate printing without requiring separate loading procedures.
Solution Approach 2:
The control system automatically performs finger identification, positioning verification, and printing sequence coordination without requiring user intervention for each individual finger. The system self-adjusts to ensure proper nail positioning and executes the printing process autonomously once hands are inserted.
3Ease of operation
If manual operation control is used, then printing process is simple to understand, but productivity and efficiency are reduced
Solution Approach 1:
The control means automates the entire printing process including finger identification, positioning verification, printing sequence coordination, and execution. Once users insert their fingers and initiate the process, the system independently manages all printing operations for both hands, maximizing productivity without increasing operational complexity.
Solution Approach 2:
The system maintains continuous printing operation across multiple fingers and both hands without idle transitions or manual repositioning. The automated control ensures uninterrupted printing sequences, optimizing throughput while keeping the user interface simple with just finger insertion and process initiation required.
Data Source
AI summary
A nail printer and printing method for printing on nails of fingers in a short time. Printing of nails starts a predetermined time after a print start command is given by a print switch or a both-hand switch. When nails of thumbs or fingers of both right and left hands are printed with an image, a print switch is operated by one of the hands, the thumbs or fingers of the both hands are fixed at a predetermined printing position within a printed finger receiver and then the nails of both the thumbs or fingers are printed with a design or pattern.