Title:
READING METHOD FOR OPTICAL READING IDENTIFICATION MARK
Document Type and Number:
Japanese Patent JP3158717
Kind Code:
B2
Abstract:
PURPOSE: To surely and satisfactorily read an identification mark by closely sticking transparent film to the identification mark or the reader of the identification mark when the film exists between the identification mark that can be read optically and the reader of the identification mark.
CONSTITUTION: When the transparent film exists between the identification mark that can be read optically and the reader of the identification mark, the film is adhered closely on the identification mark or the reader of the identification mark, and the identification mark is read optically by the reader. Also, it is desirable that the film is adhered closely on the identification mark or the reader of the identification mark by superimposing a transparent glass plate or a plastic plate on the film, and the film is adhered closely on the identification mark or the reader, then, the identification mark is read optically by the reader. Thereby, it is possible to prevent irregular reflection from occurring by smoothing wrinkles essentially and influence on reading capability from being exerted.
Inventors:
Yasumasa Yamamoto
Sannobu Okamoto
Sannobu Okamoto
Application Number:
JP25624992A
Publication Date:
April 23, 2001
Filing Date:
September 25, 1992
Export Citation:
Assignee:
Toray Industries, Inc.
International Classes:
G06K7/10; (IPC1-7): G06K7/10
Domestic Patent References:
| JP5134740A | ||||
| JP61138067U |