Handheld Printer Sensor Positioning Non-Standard Surfaces
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Solution Overview
Problem
Conventional printers are bulky and limited to standard paper sizes, making them difficult to transport and use with non-standard paper formats, while handheld printers lack accurate positioning and flexible printing areas.
Innovation Solution
A handheld printer equipped with sensors to detect its position and a controller that determines the data to be printed based on received distance information, allowing for flexible setting of printable areas and data selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional printers use a paper feeding method with standard paper sizes, then printing reliability is improved, but adaptability to non-standard paper formats deteriorates
Solution Approach 1:
The patent implements dynamic printing area setting that adapts to the actual printing surface geometry. The printing area is not fixed but dynamically determined based on distance sensor measurements, allowing the system to adjust to various non-standard surfaces while maintaining reliable printing within the detected boundaries
Solution Approach 2:
The system changes the parameter of printing area dimensions from fixed standard sizes to variable sizes determined by sensor feedback. The printable area parameters are adjusted based on real-time distance measurements, enabling adaptation to different paper sizes and surface geometries while maintaining printing reliability
2Manufacturing precision
If general printers are connected to computers with great sizes, then printing precision is improved, but ease of operation and portability deteriorates
Solution Approach 1:
The patent replaces mechanical positioning systems with sensor-based detection. Instead of using large mechanical components for positioning, the system uses distance sensors to detect printing surface location and automatically determines the printing area, achieving precision without increasing device size
Solution Approach 2:
The handheld printer performs self-positioning using integrated distance sensors. The device automatically detects its own position relative to the printing surface and determines the printable area without external assistance, maintaining portability while achieving accurate printing
3Device complexity
If handheld printers lack position detection, then device complexity is reduced, but manufacturing precision and adaptability deteriorates
Solution Approach 1:
The patent introduces distance sensors as intermediary components that bridge the handheld printer and the printing surface. These sensors provide position information without requiring complex mechanical positioning systems, achieving precise positioning while keeping the device relatively simple
Solution Approach 2:
The distance sensors serve multiple functions: detecting printing surface position, determining printable area boundaries, and enabling adaptation to various surface types. This multi-functionality achieves precise positioning without proportionally increasing device complexity
Data Source
AI summary
A handheld printer and a printing method thereof are provided. The handheld printer receives distance information from at least one sensor positioned outside the handheld printer, determines its position based on the distance information, and determines data to be printed in the determined position.