The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 17, 2003

Filed:

Mar. 06, 2001
Applicant:
Inventors:

Ikuyo Abe, Hyogo-ken, JP;

Isao Sagawa, Hyogo-ken, JP;

Katsuhiko Toda, Hyogo-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 5/02 ;
U.S. Cl.
CPC ...
G09G 5/02 ;
Abstract

The objective of this invention is to provide an automatic reverse method for reversing and displaying the black-white image into the white-black image under the predetermined condition, and a printer unit using the same method, specially a printer unit used in a plant operation. According to this invention, it would allow the printing operation to be accomplished merely by actuating a print button on operation device The judgment of whether to reverse the black-and-white components, which was the responsibility of the operator in the prior art design, would be made automatically, and the human errors would be eliminated. The proportion of the black monochrome portion among the received black-and-white entire monochrome image. It displays either the received black-and-white monochrome image without any reversal if the proportion does not exceed a given value, or the reversed white-and-black monochrome image if the proportion exceeds the given value.


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