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:
Jul. 14, 1987
Filed:
Aug. 28, 1984
Applicant:
Inventors:
Yoshinori Ikeda, Taira, JP;
Takao Aoki, Abiko, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04N / ; G01D / ;
U.S. Cl.
CPC ...
358298 ; 358300 ; 346160 ;
Abstract
There is provided an image forming device wherein a half-tone pattern having a recording portion and non-recording portion is formed on a recording medium, a value corresponding to the image density of the half-tone pattern is detected, and a high quality half-tone is obtained by controlling image signals by the above detection output or quantization means for the binary or multi-value conversion of image signals.