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Method for processing information

A technology of boundary information and graphic information, applied in the input/output process of data processing, electrical digital data processing, record carriers used by machines, etc., can solve invalid and incorrect problems

Inactive Publication Date: 2004-06-16
ANOTO AB
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0010] However, for a reading device of the above-mentioned type used to detect the position in a position-coding pattern, such displacement or deformation of the symbols in the pattern will cause problems The device will detect an incorrect or invalid location

Method used

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  • Method for processing information
  • Method for processing information
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Examples

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Embodiment Construction

[0047] Figure 1 shows a system 100 in which the present invention may be applied. The system comprises a computer unit, such as a personal computer 103, which conventionally has a display 104 and a keyboard 105. The personal computer 103 is connected to a printer unit 106 via, say, a cable 107 . This system is used to print a position-coding pattern on a piece of paper. At the same time as the position-coding pattern is printed, other information can also be printed on the sheet of paper.

[0048] FIG. 2 shows a position-coding pattern of the first type printed onto a sheet of paper 200 . In this pattern, dots of different sizes are used to encode different symbol values. For example, a large dot 202 can be encoded as a logic "1" and a small dot 201 can be encoded as a logic "0". By optically detecting the symbol value in an area 203 having a certain minimum size, the position of this area in the overall pattern and thus on the sheet 200 can be unambiguously determined.

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Abstract

The invention relates to a method for generating a printout of a section of a global position-coding pattern in a system comprising a computer unit and a printer unit connected to the computer unit. The method is characterized by the steps of generating in the computer unit boundary information that describes the boundaries of the section in the global position-coding pattern; transmitting the boundary information from the computer unit to the printer unit; generating graphical information in the printer unit by means of an algorithm that defines the global position-coding pattern and on the basis of the boundary information, which graphical information describes pattern symbols in the section; and printing out the graphical information on a base by the printer unit.

Description

technical field [0001] The invention relates to: a method according to the preamble of claim 1 for generating a printout of a position-coding pattern in a system comprising a computer unit and a printer unit connected to the computer unit; a method according to A system for generating a printout of a position-coding pattern according to the preamble of claim 18; a printer device according to the description of claim 19; a computer program according to the description of claim 23; a digital storage device according to claim 24 media; and a printer according to claim 25. Background technique [0002] The invention is used for the generation of position-coding patterns. A position-coding pattern consists of a number of symbols printed on a base. By optically recording a certain minimum number of symbols with a reading device, the absolute position of these symbols in the pattern and thus of the reading device can be detected. [0003] Such a pattern can be used in a variety ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/12G06F3/03G06F3/033
CPCG06F3/0317G06F3/0321
Inventor 李纳斯·维毕彼德·爱里克森
Owner ANOTO AB
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