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:
Nov. 26, 2002
Filed:
Mar. 27, 2000
Applicant:
Inventors:
Takehiko Nakai, Tokyo, JP;
Hiroshi Tanioka, Yokohama, JP;
Shinobu Arimoto, Yokohama, JP;
Kazuo Yoshinaga, Machida, JP;
Toshio Hayashi, Kawasaki, JP;
Tsutomu Utagawa, Yokohama, JP;
Tetsuya Nagase, Kawasaki, JP;
Nobuatsu Sasanuma, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/500 ; H04N 1/46 ;
U.S. Cl.
CPC ...
G06F 1/500 ; H04N 1/46 ;
Abstract
This invention provides an image reading device capable of precise detection of the optical signal over a wide wavelength range, by forming a photoelectric converting unit for converting the visible light into an electrical signal and a photoelectric converting unit for converting the invisible light into an electrical signal, in monolithic manner on a single semiconductor chip.