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:
Jan. 22, 1991
Filed:
May. 22, 1989
Yoshinori Ikeda, Hira, JP;
Tadashi Yoshida, Ichikawa, JP;
Kimiyoshi Hayashi, Tokyo, JP;
Shunichi Abe, Kawasaki, JP;
Nobuo Matsuoka, Kawasaki, JP;
Mitsuo Akiyama, Higashi Murayama, JP;
Yoshinobu Mita, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A halftone image recording apparatus includes means for recording an image on a recording medium, inputting an image signal representative of an image which includes a plurality of density levels, generating a plurality of pulsed periodic signals having different widths of one period of the image signal, selecting at least one periodic signal with a preselected pulse width among a plurality of the periodic signals, combining the selected periodic signal with the image signal, and applying the combined signal to the recording means.