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.
Patent No.:
Date of Patent:
Mar. 17, 1987
Filed:
Oct. 03, 1985
Klaus Koch, Munich, DE;
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Abstract
In a method and arrangement for the representation of a halftone image upon employment of a detection-adapted grid, the halftone image formed of intensity stages is generated by picture elements of identical size situated at prescribed grid positions. A given plurality of grid positions is combined to form an image spot. The plurality of picture elements and their grid positions within an image spot defines the respective intensity stage. The grid structure is oriented on a curve of the detection limit for the perceptability of sinusoidal grids. For producing a hexagon-like impression given the employment of grid positions situated in quadratic matrices, successive change lines of joining matrices or sub-matrices are shifted relative to one another by half a side length of the matrices or sub-matrices in the formation of the image spots.