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:
Feb. 27, 1990
Filed:
Nov. 09, 1987
Mamoru Nagai, Tokyo, JP;
Yukio Takemura, Kawasaki, JP;
Toshiya Kanazawa, Tokyo, JP;
Sohei Tanaka, Yokohama, JP;
Fumio Mikami, Hachioji, JP;
Hiroyuki Nakano, Kodaira, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A board copying apparatus comprising a writing board unit carrying a sheet which enables an image to be written thereon, a copying unit capable of forming, on a recording material, a copy image of an image carried by an original, and also capable of forming, on the recording material, a copy image of the image written on the sheet of the board means, a first density setting device for setting the density of the copy image of the image on the board unit, and a second density setting device for setting the density of the copy image of the image on the original. This arrangement eliminates the necessity for troublesome work for adjusting the copying density each time the copying unit is used in board copying mode for copying the image on the board unit.