Receipt Printer Docking Tablet Computer Space Saving

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Solution Overview

Problem

Existing POS systems are complex, confusing, and space-consuming, making them inefficient in retail environments where space is scarce.

Innovation Solution

A receipt printer with a docking unit that allows for a detachable and re-establishable connection with a tablet computer, integrating the functions of a receipt printer and a docking station, eliminating the need for separate peripherals and cables, and incorporating a display unit and scanner for compact operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Area of stationary object

If a traditional POS system with separate data processing unit, display unit, input unit, and receipt printer is used, then the system has complete functionality, but the system occupies significant space and has high complexity

Engineering Contradiction:
Improvespace occupied by POS systemVSAvoidsystem complexity
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The patent combines the receipt printer and docking station into a single integrated unit. The docking unit is built into the receipt printer housing, allowing the tablet computer to dock directly with the printer. This merging eliminates the need for separate docking stations and reduces the number of components, directly addressing the space and complexity issues while maintaining all necessary functions.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The receipt printer is designed to perform multiple functions: it serves as both a receipt printing device and a docking station for the tablet computer. The integrated design allows the same physical unit to handle both printing operations and tablet connectivity, reducing the overall system footprint and component count while maintaining full functionality.

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

2Reliability

If separate docking station and cable connections are used to attach tablet computer to receipt printer, then the connection is stable, but the system requires additional space and components

Engineering Contradiction:
Improveconnection stabilityVSAvoidspace for docking station and cables
Core Design Contradiction:
ReliabilityVSArea of stationary object

Solution Approach 1:

The docking station functionality is integrated directly into the receipt printer housing. The docking unit includes connection interfaces built into the printer itself, eliminating the need for a separate docking station and external cables. This integration maintains reliable connections while significantly reducing the space required for setup.

Inventive Principle:
Principle #5Merging (Combining)

3Ease of manufacture

If multiple separate peripherals (data processing unit, display unit, input unit, receipt printer) are used, then each component can be optimized independently, but the overall system footprint is large

Engineering Contradiction:
Improvecomponent optimizationVSAvoidcheckout area space
Core Design Contradiction:
Ease of manufactureVSArea of stationary object

Solution Approach 1:

The patent integrates the receipt printer and docking station into a single compact unit that occupies minimal checkout space. While the internal components remain distinct and can be independently optimized, their physical integration into one unit dramatically reduces the footprint from multiple separate peripherals to a single space-efficient device.

Inventive Principle:
Principle #5Merging (Combining)

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 solution results in a clear, space-saving, and compact POS system that simplifies operations by using a tablet computer to replace multiple units, reducing clutter and enhancing mobility while maintaining ease of use.

Implementation Method 1

the printing unit includes a thermal line for selectively heating this thermal paper at specific points

Methodology Applied
Scientific EffectThermal heating: Heating

Data Source

PatentEP2686749B1Receipt printer for printing receipts
Publication Date: 2021.01.13 WINCOR NIXDORF INT GMBH
  • EP2686749B1 patent drawingFigure 1
  • EP2686749B1 patent drawingFigure 2
  • EP2686749B1 patent drawingFigure 3

AI summary

The receipt printer (10) has a printing unit for printing of the documents. A docking unit (18) is formed such that a tablet computer is releasably and restorably mechanically connected to the receipt printer. The printing unit has a thermal line for selective heating of thermal paper.