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:
Sep. 04, 2001
Filed:
Mar. 17, 2000
Applicant:
Inventor:
Teruo Hieda, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/500 ;
U.S. Cl.
CPC ...
H01L 2/500 ;
Abstract
A signal processing apparatus is formed on a single semiconductor substrate and includes in a mixed relation an analog signal processing section and a digital signal processing section. A plurality of buffers are included on the substrate to buffer the sections from one another for preventing an abnormalities such as circuit malfunctions, circuit failures, noise and excess current flow between the sections at power-on. The buffers are of different types according to the abnormality they are designed to prevent.